Digitala Vetenskapliga Arkivet

Ändra sökning
Avgränsa sökresultatet
1 - 21 av 21
RefereraExporteraLänk till träfflistan
Permanent länk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Träffar per sida
  • 5
  • 10
  • 20
  • 50
  • 100
  • 250
Sortering
  • Standard (Relevans)
  • Författare A-Ö
  • Författare Ö-A
  • Titel A-Ö
  • Titel Ö-A
  • Publikationstyp A-Ö
  • Publikationstyp Ö-A
  • Äldst först
  • Nyast först
  • Skapad (Äldst först)
  • Skapad (Nyast först)
  • Senast uppdaterad (Äldst först)
  • Senast uppdaterad (Nyast först)
  • Disputationsdatum (tidigaste först)
  • Disputationsdatum (senaste först)
  • Standard (Relevans)
  • Författare A-Ö
  • Författare Ö-A
  • Titel A-Ö
  • Titel Ö-A
  • Publikationstyp A-Ö
  • Publikationstyp Ö-A
  • Äldst först
  • Nyast först
  • Skapad (Äldst först)
  • Skapad (Nyast först)
  • Senast uppdaterad (Äldst först)
  • Senast uppdaterad (Nyast först)
  • Disputationsdatum (tidigaste först)
  • Disputationsdatum (senaste först)
Markera
Maxantalet träffar du kan exportera från sökgränssnittet är 250. Vid större uttag använd dig av utsökningar.
  • 1. Astrath, N G C
    et al.
    Bento, A C
    Baesso, M L
    Ferreira da Silva, A
    Ahuja, R
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Pers-son, C
    Zhao, S
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Granqvist, C G
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fast tillståndets fysik.
    Thermal Lens and Photoacoustic Spectroscopy to Determine the Thermo-Optical Properties of Semiconductors2005Ingår i: J. Phys. IV, Vol. 125, s. 181-183Artikel i tidskrift (Refereegranskat)
  • 2.
    Engqvist, Håkan
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad materialvetenskap.
    Brohede, Ulrika
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material. Nanoteknologi och Funktionella Material.
    Mihranyan, Albert
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material. Nanoteknologi och Funktionella material.
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad materialvetenskap.
    Strömme, Maria
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Nanoteknologi och funktionella material. Nanoteknologi och Funktionella material.
    Bioactive Coatings Combined with Drug Delivery Features2007Konferensbidrag (Refereegranskat)
  • 3. Försth, Michael
    et al.
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Roos, Arne
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Spectrally selective and adaptive surfaces for protection against radiative heating: ITO and VO22014Ingår i: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018, Vol. 38, nr 1, s. 111-124Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Two surface materials for reducing absorptivity of heat radiation from fires have been investigated. The first is VO2, which is a thermochromic material. When the temperature of a VO2 surface increases over a certain temperature, it switches, ideally, from infrared (IR)-absorbing to IR-reflecting. VO2 window coatings are still on a research level, yet to be commercialized. In this study, VO2 powder available on the market was investigated. The thermochromic effect could be identified but was not large enough to significantly improve the fire properties of treated surfaces. Some thoughts concerning how to improve the performance of VO2 are discussed. The second investigated material is indium tin oxide (ITO), which is a so called low-e coating, which means that it has low emissivity and absorptivity in the IR part of the spectrum. ITO is spectrally selective in the sense that it transmits visible light while reflecting a large fraction of the IR radiation, which is a rare property for surfaces in general but a typical property of thin electrically conducting non-metallic films. It is shown that the application of ITO to poly(methyl methacrylate) (PMMA) significantly improves its fire properties. ITO coating is a mature technology already in widespread use today in the electronics industry.

  • 4.
    Kubart, Tomas
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
    Nyberg, Tomas
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
    Berg, Sören
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
    Wäckelgård, Ewa
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets elektronik.
    A model of DC reactive magnetron sputtering for graded solar thermal absorbers2007Konferensbidrag (Refereegranskat)
  • 5.
    Ning, Yuping
    et al.
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Wenwen
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Sun, Ying
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wu, Yongxin
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Liu, Yingfang
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Man, Hongliang
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Malik, Muhammad Imran
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Cong
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.;Pneumat & Thermodynam Energy Storage & Supply Bei, Beijing, Peoples R China..
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Tomasella, Eric
    Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS,UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Bousquet, Angelique
    Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS,UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Effects of substrates, film thickness and temperature on thermal emittance of Mo/substrate deposited by magnetron sputtering2016Ingår i: Vacuum, ISSN 0042-207X, E-ISSN 1879-2715, Vol. 128, s. 73-79Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The thermal emittance of the Mo film, as an IR-refiector in solar selective absorbing coatings, is the most important property. The effects of the substrate material, the substrate surface roughness, the film thickness and the temperature on the thermal emittance of the Mo/substrate have been investigated. A series of Mo films with increasing film thickness were deposited on two types of substrate materials (glass and stainless steel). A saturated Mo thickness of 50 nm is found to produce the lowest thermal emittance. The thermal emittance of the Mo film is reduced by decreasing the substrate surface roughness. The emittance of the optimal Mo film remains 0.05 from 25 degrees C to 400 degrees C, which can meet the optical requirements for the IR-reflector.

  • 6.
    Ning, Yuping
    et al.
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Wenwen
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Sun, Ying
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wu, Yongxin
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Liu, Yingfang
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Man, Hongliang
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Cong
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.;Pneumat & Thermodynam Energy Storage & Supply Bei, Beijing, Peoples R China..
    Zhang, Yong
    Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China..
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Tomasella, Eric
    Beihang Univ, Dept Phys, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.;Univ Clermont Ferrand, Univ Blaise Pascal, Inst Chem Clermont Ferrand, CNRS UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Bousquet, Angelique
    Univ Clermont Ferrand, Univ Blaise Pascal, Inst Chem Clermont Ferrand, CNRS UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Investigation on low thermal emittance of Al films deposited by magnetron sputtering2016Ingår i: Infrared physics & technology, ISSN 1350-4495, E-ISSN 1879-0275, Vol. 75, s. 133-138Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A series of Al films with different thicknesses were deposited on polished stainless steel by direct current (DC) magnetron sputtering as a metal IR-reflector layer in solar selective absorbing coating (SSAC). The effects of the film thickness and the temperature on the thermal emittance of the Al films are studied. An optimal thickness 78 nm of the Al film for the lowest total thermal emittance is obtained. The thermal emittance of the optimal Al film keeps close to 0.02 from 25 degrees C to 400 degrees C, which are low enough to satisfy the optical requirements in SSAC. The optical constants of the AI film are deduced by fitting the reflectance and transmission spectra using SCOUT software.

  • 7.
    Ning, Yuping
    et al.
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Wang, Wenwen
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Wang, Lei
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Sun, Ying
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Song, Ping
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Man, Hongliang
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Zhang, Yilin
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Dai, Beibei
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Zhang, Junying
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China..
    Wang, Cong
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Dept Phys, Beijing 100191, Peoples R China.;Pneumat & Thermodynam Energy Storage & Supply Bei, Beijing, Peoples R China..
    Zhang, Yong
    Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China..
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Tomasella, Eric
    Univ Blaise Pascal, Clermont Univ, CNRS, ICCF,UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Bousquet, Angelique
    Univ Blaise Pascal, Clermont Univ, CNRS, ICCF,UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Cellier, Joel
    Univ Blaise Pascal, Clermont Univ, CNRS, ICCF,UMR 6296, 24 Ave Landais, F-63171 Aubiere, France..
    Optical simulation and preparation of novel Mo/ZrSiN/ZrSiON/SiO2 solar selective absorbing coating2017Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 167, s. 178-183Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A novel Mo/ZrSiN/ZrSiON/SiO2 solar selective absorbing coating has been investigated, which was prepared by magnetron sputtering on stainless steel substrate. A high solar absorptance of 0.94 and a low thermal emittance of 0.06 at 25 degrees C were achieved. By proportionally decreasing the thicknesses of the ZrSiN, ZrSiON and SiO2 layers, the thermal emittance at 500 degrees C was decreased significantly from 0.19 to 0.12 (Delta epsilon = 0.07) while keeping the solar absorptance unchanged. The coating also showed high thermal stability at 500 degrees C in vacuum, implying that it is a promising candidate for high temperature concentrated solar power (CSP) applications.

  • 8.
    Wu, Yongxin
    et al.
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Cong
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Sun, Ying
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Ning, Yuping
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Liu, Yingfang
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Xue, Yafei
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Wang, Wenwen
    Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China..
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Tomasella, Eric
    Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS UMR 6296, F-63171 Aubiere, France..
    Bousquet, Angelique
    Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS UMR 6296, F-63171 Aubiere, France..
    Study on the thermal stability of Al/NbTiSiN/NbTiSiON/SiO2 solar selective absorbing coating2015Ingår i: Solar Energy, ISSN 0038-092X, E-ISSN 1471-1257, Vol. 119, s. 18-28Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In this work, the NbTiSiN and NbTiSiON layers are used instead of NbTiN and NbTiON layers to further improve the thermal stability of Al/NbTiN/NbTiON/SiO2 multilayer solar selective absorbing coating. The thermal stability of Si-doped individual layers and multilayer coatings are investigated. The X-ray diffraction (XRD) results show that Si incorporation into NbTiN (NbTiSiN) layer does not change its preferred orientation, and the Si-doped NbTiON (NbTiSiON) layer remains in amorphous phase. On the other hand, by introducing Si into NbTiN and NbTiON layers induce significant improvement of the oxidation resistance at 500 degrees C in air. After ageing in air at 500 degrees C for 2 h, the absorptance and emittance (at 400 degrees C) of Al/NbTiN/NbTiON/SiO2 and Al/NbTiSiN/NbTiSiON/SiO2 multilayer coatings change from 0.934/0.13 and 0.931/0.12 to 0.538/0.14 and 0.922/0.13, respectively. Meanwhile the surface roughness increases from 18.3 and 7.9 to 41.5 and 14.7 respectively, as atomic force microscopy (AFM) shows. The Al/NbTiSiN/NbTiSiON/SiO2 coating still has a high absorptance (0.910) and low emittance (0.13, at 400 degrees C) after ageing at 550 degrees C in vacuum for 100 h. It displays that Si-doping play an important role in the improvement of the thermal stability.

  • 9. Wu, Yongxin
    et al.
    Wang, Cong
    Sun, Ying
    Xue, Yafei
    Ning, Yuping
    Wang, Wenwen
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Tomasella, Eric
    Bousquet, Angelique
    Optical simulation and experimental optimization of Al/NbMoN/NbMoON/SiO2 solar selective absorbing coatings2015Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 134, s. 373-380Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    For the applications in solar thermal power, the preparation and optimization of an Al/NbMoN/NbMoON/SiO2 multilayer solar selective absorbing coating are carried out by combining experiments with optical simulation. A series of NbMoN and NbMoON single layers are deposited by magnetron reactive sputtering method with different N-2/O-2 gas flowing rates. And then their optical constants are obtained by fitting their reflection (R) and transmission (T) spectra in the wavelength range of 300-2500 nm using SCOUT software. These optical constants are used to design the Al/NbMoN/NbMoON/SiO2 solar selective absorbing coating so as to get the ideal spectral selectivity, i.e. high alpha/epsilon ratio. According to the optical design of the coating structure, we prepared the all-layer coating, and the thickness of each layer was optimized until the best spectral selective properties are obtained. The experimental reflectance spectrum fits very well with the simulated result. The optimized solar absorbing coating deposited on stainless steel substrate exhibited high absorptance (alpha=0.948) and low emittance (epsilon=0.050) at 80 degrees C. It offers a good method to quickly reach the ideal spectral selectivity through optical simulation. The thermal stability of the coating is evaluated, and it exhibits a good thermal stability in vacuum at 400 degrees C.

  • 10.
    Zhao, S
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Ribbing, C G
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Wäckelgård, E
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    New Method to Optimize a Solar Absorber Graded Film Profile2005Ingår i: J Solar Energy, Vol. 78, s. 125-130Artikel i tidskrift (Refereegranskat)
  • 11.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Avendano, E
    Gelin, K
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Lu, J
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Experimentell fysik.
    Wäckelgård, Ewa
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Optimization of an industrial DC magnetron sputtering process for graded composition solar thermal absorbing layer2006Ingår i: Solar Energy Materials & Solar Cells, nr 90, s. 243-261Artikel i tidskrift (Refereegranskat)
  • 12.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Ribbing, C G
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Coating a Reststrahlen Material for Selective Emisson2007Konferensbidrag (Refereegranskat)
  • 13.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Ribbing, Carl-Gustaf
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Options for Reststrahlen Materials in Optical Surfaces and Filters2010Ingår i: Chinese Optics Letters, ISSN 1671-7694, Vol. 8, nr Supplement 1, s. 119-124Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The current potential applications of reststrahlen bands in optical surfaces and components are reviewed. This type of interval with metallic-like high reflectance has been used for monochromatization in infrared and when wavelength selective low emittance is needed for frost prevention or infrared signature reduction. Associated features, including a narrow reflectance minimum for a wide range of angles of incidence, are potentially useful.

    Ladda ner fulltext (pdf)
    COL08FOC0119-06.pdf
  • 14.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    Ribbing, Carl-Gustaf
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    Wäckelgård, Ewa
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    New method to optimize a solar absorber graded film profile2004Ingår i: Solar Energy, Vol. 77Artikel i tidskrift (Refereegranskat)
  • 15.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    Ribbing, C-G
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    Wäckelgård, Ewa
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. fasta tillståndets fysik.
    Optical constants of sputtered Ni/NiO solar absorber films –depth profile characterization2004Ingår i: Solar Energy Materials and Solar Cells, Vol. 84, s. 193-203Artikel i tidskrift (Refereegranskat)
  • 16.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Wäckelgård, Ewa
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik. Fasta tillståndets fysik.
    Optimization of solar absorbing three-layer coatings2006Ingår i: Solar Energy Materials & Solar Cells, nr 90, s. 243-261Artikel i tidskrift (Refereegranskat)
  • 17.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Zhu, Decchun
    Hefei University 230022, Hefei, PR. China.
    Ribbing, Carl-Gustaf
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Angular dependence of coloured absorber coatings2012Ingår i: The International Conference on Optical Thin Films and Coating Technology, 15-18 October 2012, Hangzhou, China: Frontiers of Optical Coatings / [ed] Weidong Shen, 2012Konferensbidrag (Refereegranskat)
    Abstract [en]

    Angular dependence of coloured absorber coatings

    Shuxi Zhao1, Dechun Zhu2 and Carl-G.Ribbing1

     

    1) Div. of Solid State Physics, Ångström Laboratory, Uppsala University

         Box 534, SE-751 21 Uppsala, Sweden

    2) Dept. of Chemical and Materials Engineering, Hefei University

         230022, Hefei, PR. China

     

    Abstract

    Investigations of angular dependence of thermal solar absorber coatings have been carried out in the Uppsala SSP-division since more than 10 years. In this contribution the angular variation of the optical properties of the recently suggested TiAlN-based coloured absorber is reported.

      The presence of an interference controlled colour raises a concern that strong irradiscence might make the roof integration of such absorbers aesthetically unsuitable. Using colour coordinates calculated from the measured reflectance spectra we reach the conclusion that the attractive colour seen in normal incidence is only marginally changed by the natural change of angle of incidence for a stationary collector.

      A second issue to be considered is whether this new absorber surface performs better or worse than earlier cermet absorbers when the solar incidence angle varies. The reflectance of TiAlN, as well as the antireflected TiAlON, as a function of wavelength and angle of incidence has therefore been measured using an integrating sphere with a rotatable sample holder in the centre. For comparison and calibration such measurements, such measurement was also carried out on a freshly sputtered, opaque gold film. The angular variation was fitted using the Incident Angle Modifier Kta, the ratio of the measured absorptance for incidence angle, to that at normal incidence:

    Abstract

    Investigations of angular dependence of thermal solar absorber coatings have been carried out in the Uppsala SSP-division since more than 10 years. In this contribution the angular variation of the optical properties of the recently suggested TiAlN-based coloured absorber is reported.

      The presence of an interference controlled colour raises a concern that strong irradiscence might make the roof integration of such absorbers aesthetically unsuitable. Using colour coordinates calculated from the measured reflectance spectra we reach the conclusion that the attractive colour seen in normal incidence is only marginally changed by the natural change of angle of incidence for a stationary collector.

  • 18.
    Zhao, Shuxi
    et al.
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Zhu, Dechun
    Department of Chemical and Materials Engineering, Hefei University, China.
    Ribbing, Carl-Gustaf
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Colour control and selectivity in TiAlN solar-thermal absorbers2011Ingår i: Advances in Optical Thin Films IV. Optical Systems Design 2011, 5 September 2011, Marseille, France, / [ed] Michel Lequime, H. Angus Macleod, Detlev Ristau, Washington: SPIE - International Society for Optical Engineering, 2011, s. 81680G-1-81680G-9Konferensbidrag (Refereegranskat)
    Abstract [en]

    Optical constants for simulations were obtained by R- and T-measurements on TiAlN thin films deposited on Corning 7059 glass. The model parameterized free carrier effects and an inter-band excitation. The calculations demonstrated that the colour effects are due to interference and inter-band absorption around 500 nm in a single layer coating. The peak shifts with the thickness of the thin film which gives a simple way to obtain different colours. Solar absorptance of 86 % can be reached already for a single TiAlN-film on an Al substrate.

    Ladda ner fulltext (pdf)
    SPIE 8168-15
  • 19. Zheng, Liqing
    et al.
    Gao, Fangyuan
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Zhou, Fuyun
    Nshimiyimana, Jean Pierre
    Diao, Xungang
    Optical design and co-sputtering preparation of high performance Mo-SiO2 cermet solar selective absorbing coating2013Ingår i: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 280, s. 240-246Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    In order to optimize and prepare high performance Mo-SiO2 cermet solar selective absorbing coating, a series of Mo-SiO2 cermet films with different metal volume fraction were deposited on optical glass using mid-frequency (MF) and radio frequency (RF) co-sputtering. The reflectance (R) and transmittance (T) in the wavelength range of 250-2500 nm have been simulated using SCOUT software with different dielectric function models. The optical constants, film thickness, metal volume fraction and other parameters have been deduced from the modeling. The fitted optical constants were then used to simulate and optimize the Mo-SiO2 solar selective coating and samples were prepared based on the optimized parameters. The Maxwell Garnett (MG) and Bruggeman (BR) effective-medium theory have been added in the dielectric function models to describe low metal volume fraction cermet layer (LMVF) and high metal volume fraction cermet layer (HMVF), separately. The optical spectra (R and T) of all single films were in a good agreement with the fitted spectra by dielectric function models. The experimental measured reflectance of the solar selective coating was also in rather good agreement with the optimized result. The solar absorptance of theoretically optimized selective coating was 0.945, while the absorptance of the experimental coating was 0.95. The thermal emittance of 0.15 (at 400 degrees C) was obtained. 

  • 20.
    Zhu, Dechun
    et al.
    Department of Chemical and Materials Engineering, Hefei University, China.
    Mao, Fang
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Kemiska sektionen, Institutionen för kemi - Ångström, Oorganisk kemi.
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    The influence of oxygen in TiAlOxNy on the optical properties of colored solar-absorbing coatings2012Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 98, s. 179-184Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Low cost and ease of fabrication are important factors for solar-thermal applications in energy-efficient buildings. This contribution reports the influence of oxygen on structure, optical properties and chromaticity of TiAlOxNy thin films prepared by DC magnetron sputtering. It is an extension of a previous study on colored solar-thermal absorbers based on titanium-aluminum nitride. The purpose is to investigate the possibility of using TiAlOxNy as middle layer to achieve a gradient effect. The results reveal that the structure and optical properties of the TiAlOxNy coatings are sensitive to the oxygen content under certain sputtering conditions.  The ratio of oxygen/nitrogen of 0.7:10 is the most appropriate to form the crystalline structure of TiAlON.  The optical constants of TiAlN and TiAlON were deduced by fitting the experimental data. It shows that both the refractive index (n) and the extinction coefficient (k) are decreased when oxygen is introduced to form titanium-aluminium nitro-oxide. The gradient effect can be achieved and controlled by adjusting the ratio of oxygen/nitrogen flow during the process to enhance solar absorptance while keeping the desired color appearance.

    Ladda ner fulltext (pdf)
    fulltext
  • 21.
    Zhu, Dechun
    et al.
    Department of Chemical and Materials Engineering, Hefei University, China.
    Zhao, Shuxi
    Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Fasta tillståndets fysik.
    Chromaticity and Optical Properties of Colored and Black Solar-Thermal Absorbing Coatings2010Ingår i: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 94, nr 10, s. 1630-1635Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Two important trends in solar thermal utilization in buildings are building integration and color appearance. Coatings based on titanium alloy nitride show variety of different colors. These can be controlled by film thickness for a single layer stack, or by putting another layer on top of the first layer. Strong absorption around 500 nm is important to cause color appearance. Chromaticity and optical properties of colored coatings were studied and compared to black coatings. In the three-point gamut system, such colors show an additive mixture property. Solar absorptance of 0.80 to 0.95 can be obtained with thermal emittance of 0.04 to 0.09 (100oC). These coatings provide a choice for solar thermal integration in buildings where appearance is an important feature.

    Ladda ner fulltext (pdf)
    fulltext
1 - 21 av 21
RefereraExporteraLänk till träfflistan
Permanent länk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf