Synergistic effects of high temperature and impact compaction on the nano-TiO2 film for the significant improvement of photovoltaic performance of flexible dye-sensitized solar cells

Yao, Hai-Long, Yang, Guan-Jun, Li, Shan, He, Xue-Long, Fan, Sheng-Qiang, Li, Cheng-Xin and Li, Chang-Jiu (2013) Synergistic effects of high temperature and impact compaction on the nano-TiO2 film for the significant improvement of photovoltaic performance of flexible dye-sensitized solar cells. Electrochimica Acta, 87 940-947. doi:10.1016/j.electacta.2012.09.055


Author Yao, Hai-Long
Yang, Guan-Jun
Li, Shan
He, Xue-Long
Fan, Sheng-Qiang
Li, Cheng-Xin
Li, Chang-Jiu
Title Synergistic effects of high temperature and impact compaction on the nano-TiO2 film for the significant improvement of photovoltaic performance of flexible dye-sensitized solar cells
Formatted title
Synergistic effects of high temperature and impact compaction on the nano-TiO2 film for the significant improvement of photovoltaic performance of flexible dye-sensitized solar cells
Journal name Electrochimica Acta   Check publisher's open access policy
ISSN 0013-4686
1873-3859
Publication date 2013-01-01
Year available 2012
Sub-type Article (original research)
DOI 10.1016/j.electacta.2012.09.055
Volume 87
Start page 940
End page 947
Total pages 8
Place of publication Oxford, United Kingdom
Publisher Pergamon
Collection year 2013
Language eng
Formatted abstract
The electron transport property in TiO2 film was investigated to understand the significant improvement of the photovoltaic performance of dye-sensitized solar cells (DSCs) by using in situ substrate heating and in situ particle heating approaches through the vacuum cold spraying technology, which accelerates the powder to impact on the substrate surface and form a film. Results showed that the particle connection and thereby electron transport property in TiO2 film was improved more significantly by in situ particle and substrate heating than by conventional post-sintering of TiO2 film. An equivalent circuit model was proposed to explain the relationship between the short-circuit current density and electron transport property. The result suggested the existence of synergistic effects of high temperature and impact compaction on the nano-TiO2 film in vacuum cold spray process. Furthermore, due to the ability of retaining substrate at a low temperature, in situ particle heating approach could be applied to deposit the TiO2 film for plastic-based flexible solar cells, presenting a high efficiency of 4.4%.
Keyword Electron transport
Synergism
High temperature
Particle impact
Dye-sensitized solar cells
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 26 September 2012.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Chemistry and Molecular Biosciences
 
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