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Graphene oxide as an effective interfacial layer for enhanced graphene/silicon solar cell performance
Alternative TitleJ. Mater. Chem. C
Jiao, Kejia; Wang, Xueliang; Wang, Yu; Chen, Yunfa
2014
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
Volume2Issue:37Pages:7715-7721
AbstractWe show that interface tailoring is an effective approach towards high performance G/Si Schottky-barrier solar cells. Inserting a thin graphene oxide (GO) interfacial layer can improve the efficiency of graphene/silicon solar cells by >100%. The role of the GO interfacial layer is systematically investigated by varying the annealing temperature and thickness of the GO film. It is found that GO cannot be treated as the common thought, i.e., an insulator. In other words, the G/GO/Si solar cell is not suitable to be treated as a "MIS" cell. In contrast, it should be regarded as a p-doped thin layer. The effects of GO film thickness on device response are also studied and there exists an optimal thickness for device performance. A record 12.3% (device size: 3 x 3 mm(2)) power conversion efficiency is achieved by further performance optimization (chemical doping graphene and antireflection coating).; We show that interface tailoring is an effective approach towards high performance G/Si Schottky-barrier solar cells. Inserting a thin graphene oxide (GO) interfacial layer can improve the efficiency of graphene/silicon solar cells by >100%. The role of the GO interfacial layer is systematically investigated by varying the annealing temperature and thickness of the GO film. It is found that GO cannot be treated as the common thought, i.e., an insulator. In other words, the G/GO/Si solar cell is not suitable to be treated as a "MIS" cell. In contrast, it should be regarded as a p-doped thin layer. The effects of GO film thickness on device response are also studied and there exists an optimal thickness for device performance. A record 12.3% (device size: 3 x 3 mm(2)) power conversion efficiency is achieved by further performance optimization (chemical doping graphene and antireflection coating).
KeywordTransparent Graphite Films Extraction Efficiency Water
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1039/c4tc00705k
URL查看原文
Indexed BySCI
Language英语
WOS KeywordTRANSPARENT ; GRAPHITE ; FILMS ; EXTRACTION ; EFFICIENCY ; WATER
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000341458000002
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11645
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiao, Kejia,Wang, Xueliang,Wang, Yu,et al. Graphene oxide as an effective interfacial layer for enhanced graphene/silicon solar cell performance[J]. JOURNAL OF MATERIALS CHEMISTRY C,2014,2(37):7715-7721.
APA Jiao, Kejia,Wang, Xueliang,Wang, Yu,&Chen, Yunfa.(2014).Graphene oxide as an effective interfacial layer for enhanced graphene/silicon solar cell performance.JOURNAL OF MATERIALS CHEMISTRY C,2(37),7715-7721.
MLA Jiao, Kejia,et al."Graphene oxide as an effective interfacial layer for enhanced graphene/silicon solar cell performance".JOURNAL OF MATERIALS CHEMISTRY C 2.37(2014):7715-7721.
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