Journal
THIN SOLID FILMS
Volume 519, Issue 21, Pages 7374-7377Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2010.12.102
Keywords
CuInS2; Photo-induced absorption; P3HT; Charge transfer
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Funding
- EWE Research Group
- EWE AG, Oldenburg
- Federal Ministry of Education and Research (BMBF) [03SF0338C]
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CuInS2 (CIS) is a suitable semiconductor for thin film photovoltaics and also a promising candidate to replace CdSe in hybrid polymer/nanoparticle solar cells, advantages being the lower toxicity and the better absorption properties. In this work, crystalline nanoparticles of CuInS2 were successfully synthesized with uniform size and shape by means of colloidal chemistry. Photo-induced absorption spectroscopy was used to study charge transfer between poly(3-hexylthiophene) (P3HT) and the CIS nanoparticles. The appearance of signals corresponding to positive polarons provides evidence that charge transfer is possible in the P3HT/CIS system. (C) 2010 Elsevier B.V. All rights reserved.
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