YIC-IR  > 中科院烟台海岸带研究所知识产出
Hollow hierarchical structure Co0.85Se as efficient electrocatalyst for the triiodide reduction in dye-sensitized solar cells
Zhao, Rongfang; Tang, Dongmei; Huan, Long; Wu, Qianhui; Li, Wenlong; Zhang, Xiue; Chen, Ming; Diao, Guowang
Source PublicationSOLAR ENERGY
ISSN0038-092X
2019-01-15
Volume178Pages:241-248
KeywordCobalt selenides Hollow hierarchical structure Triiodide reduction Electrocatalytic activity Dye-sensitized solar cells
MOST Discipline CatalogueEnergy & Fuels
DOI10.1016/j.solener.2018.12.031
Contribution Rank[Zhao, Rongfang; Tang, Dongmei; Huan, Long; Wu, Qianhui; Li, Wenlong; Zhang, Xiue; Chen, Ming; Diao, Guowang] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China; [Zhao, Rongfang] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
Department中科院烟台海岸带研究所知识产出
AbstractThe exploration of nonprecious metal-based electrocatalysts with high efficiency for the triiodide reduction is critical for the practical applications of the dye-sensitized solar cells. Herein, we develop a facile one-step hydrothermal method to synthesize hollow hierarchical structure Co0.85Se. Under the methanol-water reaction system, the product named as hollow hierarchical structure Co0.85Se-M has the largest specific surface area (215.36 m(2) g(-1)) and the best crystallinity than other products obtained from other alcohol-water reaction systems. When this electrocatalyst is applied as a counter electrode for the dye-sensitized solar cells, it exhibits a small peak-to-peak separation (E-pp, 97 mV) for the reduction of I-3(-)/I- redox couple. It is found that the catalytic activity of Co0.85Se is closely dependent on the crystallinity. Moreover, the reactivity pathway is identified by density functional theory, which confirms that triiodide is reduced to iodide ion on Co0.85Se with a smaller energy barrier (similar to 0.65 eV) than on Pt (similar to 1.18 eV). Both experimental and theoretical results demonstrate Co0.85Se-M as an ideal counter electrode material for the dye-sensitized solar cells with a higher power conversion efficiency (8.76%) than Pt counter electrode (7.20%).
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordFREE COUNTER ELECTRODE ; IN-SITU GROWTH ; HIGH-PERFORMANCE ; LOW-COST ; CARBON NANOTUBES ; COMPOSITE FILM ; GRAPHENE ; NANOSHEETS ; SELENIDES ; CATALYSTS
WOS Research AreaEnergy & Fuels
WOS IDWOS:000457663800027
Funding OrganizationNational Natural Science Foundation of China [21773203] ; Natural Science Foundation of Jiangsu Province [BK20161329] ; Innovation Projects in Jiangsu Province [KYZZ16_0491] ; Jiangsu Province Fifth issue of 333 High level talents training project [BRA2016202] ; Application Research Porgram of Nantong [MS12015028] ; Priority Academic Program Development of Jiangsu Higher Education Institutions
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24626
Collection中科院烟台海岸带研究所知识产出
Affiliation1.Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Rongfang,Tang, Dongmei,Huan, Long,et al. Hollow hierarchical structure Co0.85Se as efficient electrocatalyst for the triiodide reduction in dye-sensitized solar cells[J]. SOLAR ENERGY,2019,178:241-248.
APA Zhao, Rongfang.,Tang, Dongmei.,Huan, Long.,Wu, Qianhui.,Li, Wenlong.,...&Diao, Guowang.(2019).Hollow hierarchical structure Co0.85Se as efficient electrocatalyst for the triiodide reduction in dye-sensitized solar cells.SOLAR ENERGY,178,241-248.
MLA Zhao, Rongfang,et al."Hollow hierarchical structure Co0.85Se as efficient electrocatalyst for the triiodide reduction in dye-sensitized solar cells".SOLAR ENERGY 178(2019):241-248.
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