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Formation of efficient dye-sensitized solar cells by introducing an interfacial layer of hierarchically ordered macro-mesoporous TiO2 film
Du Jiang; Lai XiaoYong; Halpert, Jonathan E.; Yang Yu; Wang Dan1; Wang, D
2011-06-01
Source PublicationSCIENCE CHINA-CHEMISTRY
ISSN1674-7291
Volume54Issue:6Pages:930-935
AbstractHierarchically ordered macro-mesoporous TiO2 films (Ti-Ma-Me) were fabricated on fluorine-doped tin oxide (FTO) substrates through the confinement self-assembly method. The prepared Ti-Ma-Me possesses periodically ordered structure and a large specific surface area, which was applied as an interfacial layer between the nanocrystalline TiO2 film (P25-TiO2) and FTO electrode in the dye-sensitized solar cell (DSSC). The introduction of a Ti-Ma-Me interfacial layer increased the shortcircuit current density (J (sc)) from 7.49 to 10.65 mA/cm(2) and the open-circuit voltage (V (oc)) from 0.65 to 0.70 V as the result of its improved light harvesting efficiency by allowing for the high roughness factor and enhanced multiple internal reflection or scattering as well as reducing the back-transport reaction by blocking direct contact between the electrolyte and FTO electrode. Therefore, the photovoltaic conversion efficiency (eta) was improved by 83% from 3.04% to 5.55%, as compared to a device using a bare P25 TiO2 photoanode.
KeywordDye-sensitized Solar Cells Hierarchical Ordered Macro-mesoporous Photoanode
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11426-011-4288-9
Indexed BySCI
Language英语
WOS KeywordPHOTOVOLTAIC APPLICATIONS ; CONVERSION EFFICIENCY ; ENERGY-CONVERSION ; PHOTONIC CRYSTALS ; CHARGE-TRANSPORT ; NANOTUBE ARRAYS ; PERFORMANCE ; STATE ; ENHANCEMENT ; ELECTRODES
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000291057600008
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4875
Collection多相复杂系统国家重点实验室
Corresponding AuthorWang, D
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Du Jiang,Lai XiaoYong,Halpert, Jonathan E.,et al. Formation of efficient dye-sensitized solar cells by introducing an interfacial layer of hierarchically ordered macro-mesoporous TiO2 film[J]. SCIENCE CHINA-CHEMISTRY,2011,54(6):930-935.
APA Du Jiang,Lai XiaoYong,Halpert, Jonathan E.,Yang Yu,Wang Dan,&Wang, D.(2011).Formation of efficient dye-sensitized solar cells by introducing an interfacial layer of hierarchically ordered macro-mesoporous TiO2 film.SCIENCE CHINA-CHEMISTRY,54(6),930-935.
MLA Du Jiang,et al."Formation of efficient dye-sensitized solar cells by introducing an interfacial layer of hierarchically ordered macro-mesoporous TiO2 film".SCIENCE CHINA-CHEMISTRY 54.6(2011):930-935.
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