Carbon nanofibers (CNs) supported by Pt and Ni2P nanoparticles (Pt-Ni2P/CNs) are successfully synthesized and explored as counter electrodes for dye-sensitized solar cells (DSSCs) for the first time. Pt and Ni2P nanoparticles are prepared by stabilization and carbonization of electrospun nanofibers, and subsequently controllable Pt and Ni2P nanoparticles are grown on surface of CNs obtained through redox reaction. A series of electrochemical measurements analysis confirm that the Pt-Ni2 P/CNs composite have simultaneously superior electrocatalytic activity and enhanced electrical conductivity compared with those of individual CNs and Pt. Accordingly, DSSCs using the composite Pt-Ni2P/CNs as a counter electrode exhibit an excellent photovoltaic performance (power conversion efficiency of 9.11%), which is much higher than conventional Pt/CNs counter electrode (power conversion efficiency of 8.35%), owing to the collective effect of the high electrical conductivity originated from carbon nanofibers and superior electrocatalytic activity arising from Pt/CNs nanoparticles. (C) 2019 Elsevier B.V. All rights reserved.
基金：
National Natural Science Foundation of China (NSFC) [51772073, 51607054, 21672051, 51762013]; Hebei province Outstanding Youth Fund [A2017201082, A2018201019]; Outstanding Youth Fund of Hebei University [2015JQ02]; Second Batch of Young Talent of Hebei Province [70280016160250, 70280011808]; Major Fund Projects of Hebei Province [E2017201142]; Open Foundation of Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University), Ministry of Education China [AM2017-29]; State Key Laboratory of Fine Chemicals [KF1703]; Post-graduate's Innovation Found Project of Hebei University [hbu2018ss63]
第一作者机构：[1]Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China[2]Hebei Univ, Coll Qual Technol Supervis, Baoding 071002, Peoples R China
通讯作者：
通讯机构：[1]Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China[3]Dalian Univ Technol, State Key Lab Fine Chemc, Dalian 116024, Peoples R China[*1]Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Technology, Hebei University, Baoding,071002, PR China
推荐引用方式(GB/T 7714)：
Zhao Kaifeng,Zhang Xue,Wang Mingkun,et al.Electrospun carbon nanofibers decorated with Pt-Ni2P nanoparticles as high efficiency counter electrode for dye-sensitized solar cells[J].JOURNAL OF ALLOYS AND COMPOUNDS.2019,786:50-55.doi:10.1016/j.jallcom.2019.01.295.
APA：
Zhao, Kaifeng,Zhang, Xue,Wang, Mingkun,Zhang, Wenming,Li, Xiaoting...&Li, Ling.(2019).Electrospun carbon nanofibers decorated with Pt-Ni2P nanoparticles as high efficiency counter electrode for dye-sensitized solar cells.JOURNAL OF ALLOYS AND COMPOUNDS,786,
MLA：
Zhao, Kaifeng,et al."Electrospun carbon nanofibers decorated with Pt-Ni2P nanoparticles as high efficiency counter electrode for dye-sensitized solar cells".JOURNAL OF ALLOYS AND COMPOUNDS 786.(2019):50-55
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