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Insung Hwang and Dr. Kijung Yong Environmentally Benign and Efficient Ag2S-ZnO Nanowires as Photoanodes for Solar Cells: Comparison with CdS-ZnO Nanowires ChemPhysChem 14

Article first published online: 11 DEC 2012 | DOI: 10.1002/cphc.201200876

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Different but the same: A low-temperature, facile solution reaction route for the fabrication of quantum-dot-sensitized solar cells (QDSSCs) containing Ag2S-ZnO nanowires (see picture) is presented. Compared to CdS-ZnO QDSSCs, Ag2S-ZnO QDSSCs exhibit a considerably higher short-circuit current density, a strongly enhanced light-harvesting efficiency, but lower open-circuit voltages, resulting in almost the same power-conversion efficiency of 1.2 %.

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