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Perovskite solar cells
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Perovskite solar cells (PSC) performance has risen rapidly the last few years with the current record having power conversion efficiency (PCE) of 22.1 %. This has attracted a lot of attention towards this alternative solar cell that can be manufactured with less energy and toxic material than traditional silicon solar cells.

The purpose of this thesis is to reproduce high performance PSC from known recipe by Zhang et al. with potential of PCE reaching above 18 %. The thesis covers the theory regarding how a PSC operates, how they are measured and which parameters are important for a high performance PSC. The thesis includes a detailed manuscript on how to manufacture high performance PSC layer by layer and how to characterize the performance of the cells by IV-measurements. Furthermore, it includes scanning electron microscopy (SEM), by which the cells surface layers and cross-section could be evaluated.

The result shows that it is possible to reproduce the PSC from literature and achieve a PCE of 18.8 %. However, the cells PCE decrease by 15 % during 2 hours of constant illumination, due to lack of stability. The manufactured PSC was used to power two catalysts that splits water into O2 and H2 and managed to reach a solar to hydrogen conversion efficiency (STHCE) of 13 %. 

Place, publisher, year, edition, pages
2017. , 36 p.
Keyword [en]
solar cells
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:umu:diva-137302OAI: oai:DiVA.org:umu-137302DiVA: diva2:1117755
Educational program
Master of Science Programme in Energy Engineering
Supervisors
Examiners
Available from: 2017-07-05 Created: 2017-06-29 Last updated: 2017-08-07Bibliographically approved

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CiteExportLink to record
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