期刊
CERAMICS INTERNATIONAL
卷 42, 期 4, 页码 5326-5330出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.12.063
关键词
CdSe/graphene composites; Graphene content; Photoelectric characteristics
资金
- National Natural Science Foundation of China [51204129]
CdSe/graphene composites with different contents of graphene were prepared by the solvothennal method. The composites were characterized by X-ray diffraction, scanning electron microscope and further investigated by transient photocurrent responses and electrochemical impedance spectroscopy. Compared with pure CdSe particles, CdSe/graphene composites show improved photocurrent responses and decreased electron transfer resistance due to the presence of graphene., which acts as an electron collector and transporter as well as the supporting matrix for CdSe particles. The composites were synthesized by varying the graphene content from 0.5 wt% to 6 wt%, which has been experienced to exert great influence on the photoelectric characteristics of CdSe/graphene composites. A higher photocurrent density and smaller arc radius can be observed for 0.5% CdSe/graphene composites. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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