期刊
JOURNAL OF POWER SOURCES
卷 326, 期 -, 页码 6-13出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2016.06.100
关键词
Electrospun carbon nanofibers; Counter electrode; Co3S4/ECs; Solar cell; Composite
资金
- National Natural Science Foundation of China (NSFC) [21201053, 51077035, 21303039]
- Specialized Research Fund for the Doctoral Program of Higher Education [20121301120005]
- Fund in Hebei Province Natural Science [F2014201078, A2015201050, B2015205163, B2013205171]
- Youth Fund in Hebei Province Department of Education China [QN2014057]
- Fund in Hebei Province Applied Basic Research Project [14964306D]
- Support Program for Hundred Excellent Innovation Talents from the Universities of Hebei Province [BR2-220]
- Key Project in Hebei Province Department of Education [ZD2016055]
- Outstanding Youth Fund of Hebei University [2015JQ02]
The composite of cobaltosic sulfide/electrospun carbon nanofibers (Co3S4/ECs) with high catalytic activity have been successfully synthesized by combining the versatility of the electrospunning technique and following a hydrothermal synthesis method. And the composite of Co3S4/ECs was introduced into dye-sensitized solar cells (DSCs) as counter electrode (CE) for the first time. Combining a new electrolyte with iodide free redox couples involving Co3+/2+, the Co3S4/ECs composite demonstrated good performance in DSCs. Under AM 1.5G illuminations, the DSCs based on Co3S4/ECs composite CE achieved a high power conversion efficiency (PCE) of 9.23%, which increased by 10.1% compared to the DSCs based on Pt CE (8.38%). (C) 2016 Elsevier B.V. All rights reserved.
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