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Promising photovoltaic application of multi-walled carbon nanotubes in perovskites solar cells for retarding recombination
Wang, Junxia1; Li, Jingling1; Xu, Xueqing1; Bi, Zhuoneng1; Xu, Gang1; Shen, Honglie2
2016
Source PublicationRSC ADVANCES
Volume6Issue:48Pages:42413-42420
AbstractA facile spray deposition method was developed to prepare a high-quality perovskite layer under ambient conditions. However, the performance is expected to be further improved with substrate and the hole transport layer (HTL) optimization and device structure, for instance. MWCNTs with incorporated spiro-OMeTAD exhibited J(sc) of 22.13 mA cm(-2) and PCE of 10.42%. To infer the origin of the increasing J(sc) and PCE, the optical absorption performance, charge transfer and recombination performance were investigated tau, R-ct, R-rec as a function of voltage and EIS measurements revealed the lower transfer resistance and recombination rate in PSCs with MWCNTs compared with the PSCs without MWCNTs. The increased resistance in dark conditions and the dark J-V curves explain the slight changes in the V-oc. The SEM images showed that there were no MWCNTs aggregated on the surface of the spiro/MWCNTs composite layer and part of MWCNTs was uncovered by spiro-OMeTAD at the interface of HTM and Au electrode. The decreased I-D/I-G ratio from 0.90 to 0.68 demonstrated the increased interaction between MWCNTs and spiro-OMeTAD.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c6ra04743b
WOS Subject ExtendedChemistry
WOS KeywordTHIN-FILM ; NANOCOMPOSITES ; PERFORMANCE ; COMPOSITES ; ELECTRODE ; LAYERS
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000375445500081
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11278
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
2.Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Jiangsu, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Junxia,Li, Jingling,Xu, Xueqing,et al. Promising photovoltaic application of multi-walled carbon nanotubes in perovskites solar cells for retarding recombination[J]. RSC ADVANCES,2016,6(48):42413-42420.
APA Wang, Junxia,Li, Jingling,Xu, Xueqing,Bi, Zhuoneng,Xu, Gang,&Shen, Honglie.(2016).Promising photovoltaic application of multi-walled carbon nanotubes in perovskites solar cells for retarding recombination.RSC ADVANCES,6(48),42413-42420.
MLA Wang, Junxia,et al."Promising photovoltaic application of multi-walled carbon nanotubes in perovskites solar cells for retarding recombination".RSC ADVANCES 6.48(2016):42413-42420.
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