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Yong Chan Choi, Dong Uk Lee, Jun Hong Noh, Eun Kyu Kim and Sang Il Seok Highly Improved Sb2S3 Sensitized-Inorganic–Organic Heterojunction Solar Cells and Quantification of Traps by Deep-Level Transient Spectroscopy Advanced Functional Materials 24

Article first published online: 3 MAR 2014 | DOI: 10.1002/adfm.201304238

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The light-harvesting Sb2S3 surface on mesoporous-TiO2 in inorganic–organic heterojunction solar cells is sulfurized with thioacetamide. Through such a simple treatment, the cell records an overall power conversion efficiency of 7.5% under simulated illumination (AM 1.5G, 100 mW cm−2) and the performance enhancement is mainly attributed to the extinction of trap sites by deep-level transient spectroscopy analysis.

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