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High-Performance Cobalt Selenide and Nickel Selenide Nanocomposite Counter Electrode for Both Iodide/Triiodide and Cobalt(II/III) Redox Couples in Dye-Sensitized Solar Cells
Wang, Zaiwei1,2; Xu, Hongxia1; Zhang, Zhongyi1; Zhou, Xinhong3; Pang, Shuping1; Cui, Guanglei1
2014-06-01
Source PublicationCHINESE JOURNAL OF CHEMISTRY
Volume32Issue:6Pages:491-497
Abstract

The nanocomposites of cobalt selenide and nickel selenide (Co0.85Se/Ni0.85Se) were successfully fabricated on FTO glass by a facile co-electrodeposition method at ambient temperature. Nanocomposite films were used as electrocatalysts in dye-sensitized solar cell counter electrodes for regeneration of both iodide/triiodide and cobalt(II/III) redox couples. Co0.85Se/Ni0.85Se were mainly composed of nanoflakes and nanoparticles. It is noted that such nanostructure generated by nanoparticles embedded with 2D nanoflakes led to high active sites and was accessible to cobalt(II/III) electrolyte, delivering better catalytic activity for the reduction of larger volume cobalt(II/III). As a result, for cobalt(II/III) electrolyte, the Co0.85Se/Ni0.85Se based dye-sensitized solar cell performed significantly improved efficiency than that of Pt and Co0.85Se. Meanwhile, the Co0.85Se/Ni0.85Se based dye-sensitized solar cell held comparable energy conversion efficiency to that of Pt and Co0.85Se for iodide/triiodide electrolyte.

SubtypeArticle
KeywordCounter Electrode Dye-sensitized Solar Cells Iodide/triiodide Cobalt(Ii/iii) Metal Selenide
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/cjoc.201400003
WOS KeywordIN-SITU GROWTH ; HIGH-EFFICIENCY ; LOW-COST ; TRANSFER MEDIATORS ; NANOROD ARRAYS ; GRAPHENE ; TRANSPARENT ; MOLYBDENUM ; NANOTUBES ; COMPLEXES
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000338041200006
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6162
Collection仿生与固态能源系统研究组
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Key Lab Solar Energy Utilizat & Energy St, Qingdao 266101, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100080, Peoples R China
3.Qingdao Univ Sci & Technol, Qingdao 266101, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zaiwei,Xu, Hongxia,Zhang, Zhongyi,et al. High-Performance Cobalt Selenide and Nickel Selenide Nanocomposite Counter Electrode for Both Iodide/Triiodide and Cobalt(II/III) Redox Couples in Dye-Sensitized Solar Cells[J]. CHINESE JOURNAL OF CHEMISTRY,2014,32(6):491-497.
APA Wang, Zaiwei,Xu, Hongxia,Zhang, Zhongyi,Zhou, Xinhong,Pang, Shuping,&Cui, Guanglei.(2014).High-Performance Cobalt Selenide and Nickel Selenide Nanocomposite Counter Electrode for Both Iodide/Triiodide and Cobalt(II/III) Redox Couples in Dye-Sensitized Solar Cells.CHINESE JOURNAL OF CHEMISTRY,32(6),491-497.
MLA Wang, Zaiwei,et al."High-Performance Cobalt Selenide and Nickel Selenide Nanocomposite Counter Electrode for Both Iodide/Triiodide and Cobalt(II/III) Redox Couples in Dye-Sensitized Solar Cells".CHINESE JOURNAL OF CHEMISTRY 32.6(2014):491-497.
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