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- Seok, Sang Il
- Laboratory for Energy Harvesting Materials and Systems
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CuSbS2-Sensitized Inorganic-Organic Heterojunction Solar Cells Fabricated Using a Metal-Thiourea Complex Solution
- Author(s)
- Choi, Yong Chan, Yeom, Eun Joo, Ahn, Tae Kyu, Il Seok, Sang
- Issued Date
- 2015-03
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.54, no.13, pp.4005 - 4009
- Abstract
- The device performance of sensitizer-architecture solar cells based on a CuSbS2 light sensitizer is presented. The device consists of F-doped SnO2 substrate/TiO2 blocking layer/mesoporous TiO2/CuSbS2/hole-transporting material/Au electrode. The CuSbS2 was deposited by repeated cycles of spin coating of a Cu-Sb-thiourea complex solution and thermal decomposition, followed by annealing in Ar at 500 degrees C. Poly-(2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta[ 2,1-b; 3,4-b']dithio-phene)-alt-4,7(2,1,3-benzothiadiazole)) (PCPDTBT) was used as the hole-transporting material. The best-performing cell exhibited a 3.1% device efficiency, with a short-circuit current density of 21.5 mA cm(-2), an open-circuit voltage of 304 mV, and a fill factor of 46.8%
- Publisher
- WILEY-V C H VERLAG GMBH
- ISSN
- 1433-7851
- Keyword (Author)
- antimony, copper, sensitizers, solar cells, thiourea
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