期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 498, 期 -, 页码 217-222出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.03.025
关键词
Dye-sensitized solar cell; Counter electrode; Nickel selenide; Reduced graphene oxide
资金
- National Natural Science Foundation of China [91422301, 51472094, 61474047, 21301060, 61306077, U1205112]
- specialized research fund for the doctoral program of Higher University, Ministry of Education, China [20123501110001]
- Huaqiao University
Nickel selenide/reduced graphene oxide (Ni0.85Se/rGO) nanosheet composite is synthesized by a facile hydrothermal process and used as counter electrode (CE) for dye-sensitized solar cells (DSSC). The Ni0.85Se/rGO film spin-coated on FTO show prominent electrocatalytic activity toward I-3(-)/I-. The electrocatalytic ability of Ni0.85Se/rGO film is verified by photocurrent-voltage curves, cyclic voltammetry, electrochemical impedance spectroscopy and Tafel polarization curves. On account of its decent electrical conductivity and superior electrocatalytic activity, the DSSC using optimal Ni0.85Se/rGO CE achieves a power conversion efficiency (PCE) of 9.75%, while the DSSC based on sputtered Pt CE only obtains a PCE of 8.15%. (C) 2017 Elsevier Inc. All rights reserved.
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