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Substrate placement angle-dependent growth of dandelion-like TiO2 nanorods for solid-state semiconductor-sensitized solar cells
Peng, Guiming1,2,3; Xu, Xueqing1; Mei, Fengjiao1; Xu, Gang1; Wu, Jiamin3; Gao, Di3; Ellis, James E.4; Zhao, Yong4; Xing, Yan3,5; Star, Alexander4
2014
Source PublicationRSC ADVANCES
Volume4Issue:95Pages:53335-53343
AbstractHierarchical nanostructures grown directly on transparent conducting oxides hold the promise of overcoming the limitations of current semiconductor-sensitized solar cells based on random networks of nanoparticles. Here, we develop a facile substrate placement angle-dependent hydrothermal process to grow dandelion-like TiO2 nanostructures directly on transparent conductive oxides. TiO2 nanocrystals grown in solution during the synthesis process are found to promote the dandelion-like structure. By using these TiO2 nanostructures as photoanodes, Sb2S3 as the sensitizer, and P3HT as the hole-transporting material, we demonstrate fabrication of all-solid-state semiconductor-sensitized solar cells, which yield solar power conversion efficiency up to 4.71%. Electrochemical impedance spectroscopy indicates that moderate rod fusion at the base beneficially reduces electron recombination in the device. This work provides an innovative method for growing branched, one-dimensional TiO2 nanostructures that can be used for energy harvesting and storage.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c4ra10611c
WOS Subject ExtendedChemistry
WOS KeywordNANOWIRE ARRAYS ; QUANTUM DOTS ; PHOTOVOLTAIC CELLS ; EFFICIENCY ; HETEROJUNCTION ; NANOSTRUCTURES ; PERFORMANCE ; PHOTOSENSITIZATION ; DEPOSITION ; PHOTOANODE
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000344390000096
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10663
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA
4.Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA
5.NE Normal Univ, Coll Chem, Changchun 130024, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Peng, Guiming,Xu, Xueqing,Mei, Fengjiao,et al. Substrate placement angle-dependent growth of dandelion-like TiO2 nanorods for solid-state semiconductor-sensitized solar cells[J]. RSC ADVANCES,2014,4(95):53335-53343.
APA Peng, Guiming.,Xu, Xueqing.,Mei, Fengjiao.,Xu, Gang.,Wu, Jiamin.,...&Star, Alexander.(2014).Substrate placement angle-dependent growth of dandelion-like TiO2 nanorods for solid-state semiconductor-sensitized solar cells.RSC ADVANCES,4(95),53335-53343.
MLA Peng, Guiming,et al."Substrate placement angle-dependent growth of dandelion-like TiO2 nanorods for solid-state semiconductor-sensitized solar cells".RSC ADVANCES 4.95(2014):53335-53343.
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