期刊
SOLID STATE SCIENCES
卷 61, 期 -, 页码 195-200出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2016.10.006
关键词
Composites; Thin films; Chemical synthesis; Photovoltaic
资金
- NSFC [21001064, 61106125, 51102204, 21273192]
- Natural Science Foundation of Jiangsu Province [BK2010487]
- International Science & Technology Cooperation of Henan Province [134300510061]
A facile ultrasound-assisted ion exchange route was developed for the synthesis of CdS/Ag2S heterojunctions by ion exchange between the nanostructured CdS film and [Ag(NH3)(2)](+) under ultrasonication. The CdS/Ag2S heterojunction film was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis DRS spectroscopy, photoelectrochemical measurements, and the transient photovoltage (TPV) technique. CdS-Ag2S heterojunctions exhibit a dense morphology, enhanced visible light absorption and stronger photocurrent response than the pure CdS films. Poly(3-hexylthiophene) (P3HT) was then spin coated into the CdS/Ag2S framework. Hybrid solar cells constructed with FTO/CdS/Ag2S/P3HT/Au display relatively higher power conversion efficiency than FTO/CdS/P3HT/Au. (C) 2016 Elsevier Masson SAS. All rights reserved.
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