Luminescence from Zinc Oxide Nanostructures and Polymers and their Hybrid Devices
2010 (English)In: Materials, ISSN 1996-1944, Vol. 3, no 4, 2643-2667 p.Article, review/survey (Refereed) Published
Zinc oxide (ZnO) is a strong luminescent material, as are several polymers. These two materials have distinct drawbacks and advantages, and they can be combined to form nanostructures with many important applications, e. g., large-area white lighting. This paper discusses the origin of visible emission centers in ZnO nanorods grown with different approaches. White light emitting diodes (LEDs) were fabricated by combining n-ZnO nanorods and hollow nanotubes with different p-type materials to form heterojunctions. The p-type component of the hybrids includes p-SiC, p-GaN, and polymers. We conclude by analyzing the electroluminescence of the different light emitting diodes we fabricated. The observed optical, electrical, and electro-optical characteristics of these LEDs are discussed with an emphasis on the deep level centers that cause the emission.
Place, publisher, year, edition, pages
Basel, Switzerland: MDPI AG , 2010. Vol. 3, no 4, 2643-2667 p.
ZnO nanostructures, deep center luminescence, light emitting diodes, hybrid technology
IdentifiersURN: urn:nbn:se:liu:diva-103165DOI: 10.3390/ma3042643ISI: 000298240800020OAI: oai:DiVA.org:liu-103165DiVA: diva2:687436