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Silver-Bismuth-Antimony-Iodide Materials for Solar Cell Application
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(English)Manuscript (preprint) (Other academic)
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-391057OAI: oai:DiVA.org:uu-391057DiVA, id: diva2:1343604
Available from: 2019-08-18 Created: 2019-08-18 Last updated: 2019-09-04
In thesis
1. Lead-free Metal Halide based Solar Cells
Open this publication in new window or tab >>Lead-free Metal Halide based Solar Cells
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Lead-halide perovskites have recently appeared as very promising materials for solar cells. However, their stability and toxicity may be limiting factors for their application. Therefore, to find new low toxic and high stability light harvesters may be necessary for overcoming the challenges of perovskite solar cells. The overall aim of this thesis is to explore new low toxic light harvesters and to investigate their possibility for application of solar cells. The focus in the thesis is on bismuth halide-based light harvesters, which show high light absorption coefficient and promising photovoltaic performance. Specifically, the investigated materials are different compositions of metal halides in which silver, Ag or cesium, Cs, are combined with bismuth, Bi, or antimony, Sb and the halides iodide, I, or bromide, Br. All of the systems show very promising optical performances, however, their photovoltaic performances are still low, which is partially due to the recombination and defects issues, etc. Through adjusting the elemental compositions by mixing Bi/Sb or I/Br the optical properties were tuned. By varying fabrication conditions or devices architectures, the results in this thesis also show that all the low toxic light harvesters works in solar cells, which possibly can be utilized in future photovoltaics.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2019. p. 79
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 1840
Keywords
Low-toxicity, emerging light harvesters, lead-free, low toxic bismuth, Ag (Cs)-Bi (Sb)-I (Br) systems, 2D perovskites.
National Category
Physical Chemistry
Identifiers
urn:nbn:se:uu:diva-391058 (URN)978-91-513-0722-0 (ISBN)
Public defence
2019-10-04, Polhemsalen, Ångstrom 10134, Ångströmlaboratoriet, Lägerhyddsvägen 1, Uppsala, 10:15 (English)
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Supervisors
Available from: 2019-09-12 Created: 2019-08-18 Last updated: 2019-10-15Bibliographically approved

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CiteExportLink to record
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