期刊
JOURNAL OF POWER SOURCES
卷 328, 期 -, 页码 543-550出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2016.08.062
关键词
Pt3Ni alloy; Carbon nanofibers; Doping; Counter electrode; Dye-sensitized solar cells
资金
- National Natural Science Foundation of China [21201053, 51077035, 21303039]
- 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, ZD2015044]
- Outstanding Youth Fund of Hebei University [20151Q02]
- Post-graduate's Innovation Fund Project of Hebei Province [S2016023]
- Second Batch of Young Talent of Hebei Province
- Science Foundation of Hebei Normal University [L2016J02]
Pt3Ni alloy supported by carbon nanofibers (CNs) composites (Pt3Ni/CNs) synthesized by a simple solvothermal process was introduced into dye-sensitized solar cells (DSCs) as counter electrode (CE) for the first time, and the DSCs based on Pt3Ni/CNs CE obtained a power conversion efficiency (PCE) of 8.34%. To enhance the catalytic activity of Pt3Ni/CNs composites, transition metal chrome (Cr) was doped in Pt3Ni/CNs to synthesize the composites of Cr-Pt3Ni/CNs using the same method. Due to the high electro-catalytic activity and rapid charge transfer ability, the PCE of the DSCs employing Cr-Pt3Ni/CNs as CE increased to 8.76%, which was much higher than that of Pt CE (7.04%) measured in the same condition. The impressive results along with low cost and simple synthesis process demonstrated transition metal doping was a promising method to produce substitutes for Pt to reduce the cost and increase the PCE of DSCs. (C) 2016 Published by Elsevier B.V.
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