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Structural Modification of TiO2 Nanorod Films with an Influence on the Photovoltaic Efficiency of a Dye-Sensitized Solar Cell (DSSC)
Meng, Lijian1,2; Li, Can3; dos Santos, M. P.4,5
KeywordTio2 Nanorod Sputtering Dssc
Source PublicationJOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
2013-07-01
DOI10.1007/s10904-013-9842-9
Volume23Issue:4Pages:787-792
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPolymer Science
WOS Research AreaPolymer Science
WOS KeywordSPUTTER-DEPOSITION ; ARRAYS ; OXIDE ; ELECTRODE
AbstractTiO2 nanorod films have been deposited on ITO substrates by dc reactive magnetron sputtering technique. The structures of these nanorod films were modified by the variation of the oxygen pressure during the sputtering process. Although all these TiO2 nanorod films deposited at different oxygen pressures show an anatase structure, the orientation of the nanorod films varies with the oxygen pressure. Only a very weak (101) diffraction peak can be observed for the TiO2 nanorod film prepared at low oxygen pressure. However, as the oxygen pressure is increased, the (220) diffraction peak appears and the intensity of this diffraction peak is increased with the oxygen pressure. The results of the SEM show that these TiO2 nanorods are perpendicular to the ITO substrate. At low oxygen pressure, these sputtered TiO2 nanorods stick together and have a dense structure. As the oxygen pressure is increased, these sputtered TiO2 nanorods get separated gradually and have a porous structure. The optical transmittance of these TiO2 nanorod films has been measured and then fitted by OJL model. The porosities of the TiO2 nanorod films have been calculated. The TiO2 nanorod film prepared at high oxygen pressure shows a high porosity. The dye-sensitized solar cells (DSSCs) have been assembled using these TiO2 nanorod films prepared at different oxygen pressures as photoelectrode. The optimum performance was achieved for the DSSC using the TiO2 nanorod film with the highest (220) diffraction peak and the highest porosity.
Language英语
WOS IDWOS:000320511700001
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137510
Collection中国科学院大连化学物理研究所
Affiliation1.Inst Politecn Porto, Dept Fis, Inst Super Engn Porto, P-4200072 Oporto, Portugal
2.Univ Minho, Ctr Fis, P-4800058 Guimaraes, Portugal
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
4.Univ Nova Lisboa, Ctr Fis & Invest Tecnol, Fac Ciencias & Tecnol, P-2829516 Caparica, Portugal
5.Univ Evora, Escola Ciencias & Tecnol, P-7000671 Evora, Portugal
Recommended Citation
GB/T 7714
Meng, Lijian,Li, Can,dos Santos, M. P.. Structural Modification of TiO2 Nanorod Films with an Influence on the Photovoltaic Efficiency of a Dye-Sensitized Solar Cell (DSSC)[J]. JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS,2013,23(4):787-792.
APA Meng, Lijian,Li, Can,&dos Santos, M. P..(2013).Structural Modification of TiO2 Nanorod Films with an Influence on the Photovoltaic Efficiency of a Dye-Sensitized Solar Cell (DSSC).JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS,23(4),787-792.
MLA Meng, Lijian,et al."Structural Modification of TiO2 Nanorod Films with an Influence on the Photovoltaic Efficiency of a Dye-Sensitized Solar Cell (DSSC)".JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS 23.4(2013):787-792.
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