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Synthesis, Characterization, and Electronic Structure of Single-Crystal SnS, Sn2S3, and SnS2


Reference:

Burton, L., Colombara, D., Abellon, R., Grozema, F., Peter, L. M., Savenije, T., Dennler, G. and Walsh, A., 2013. Synthesis, Characterization, and Electronic Structure of Single-Crystal SnS, Sn2S3, and SnS2. Chemistry of Materials, 25 (24), pp. 4908-4916.

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Official URL:

http://dx.doi.org/10.1021/cm403046m

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Abstract

Tin sulfide is being widely investigated as an earth-abundant light harvesting material, but recorded efficiencies for SnS fall far below theoretical limits. We describe the synthesis and characterization of the single-crystal tin sulfides (SnS, SnS2, and Sn2S3) through chemical vapor transport, and combine electronic structure calculations with time-resolved microwave conductivity measurements to shed light on the underlying electrical properties of each material. We show that the coexistence of the Sn(II) and Sn(IV) oxidation states would limit the performance of SnS in photovoltaic devices due to the valence band alignment of the respective phases and the “asymmetry” in the underlying point defect behavior. Furthermore, our results suggest that Sn2S3, in addition to SnS, is a candidate material for low-cost thin-film solar cells.

Details

Item Type Articles
CreatorsBurton, L., Colombara, D., Abellon, R., Grozema, F., Peter, L. M., Savenije, T., Dennler, G. and Walsh, A.
DOI10.1021/cm403046m
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?scp=84896540425&partnerID=8YFLogxKUNSPECIFIED
DepartmentsFaculty of Science > Chemistry
Research CentresCentre for Sustainable Chemical Technologies
RefereedYes
StatusPublished
ID Code38815

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