Room Temperature Synthesis of Highly Compact TiO2 Coatings by Vacuum Kinetic Spraying to Serve as a Blocking Layer in Polymer Electrolyte-Based Dye-Sensitized Solar Cells
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- 作者：Jeeae Heo (1)
P. Sudhagar (2)
Hyungkwon Park (1)
Woohyung Cho (2)
Yong Soo Kang (2)
Changhee Lee (1)
1. Kinetic Spray Coating Laboratory ; Division of Materials Science and Engineering ; Hanyang University ; Seoul ; 133-791 ; Republic of Korea
2. Department of Energy Engineering ; Hanyang University ; Seoul ; 133-791 ; Republic of Korea - 关键词：ceramics ; oxide materials ; solid state reactions ; thin films ; photoconductivity ; photovoltaics ; vacuum kinetic spray
- 刊名：Journal of Thermal Spray Technology
- 出版年：2015
- 出版时间：February 2015
- 年：2015
- 卷：24
- 期：3
- 页码：328-337
- 全文大小：1,958 KB
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- 刊物主题：Chemistry
Surfaces and Interfaces and Thin Films
Tribology, Corrosion and Coatings
Materials Science
Characterization and Evaluation Materials
Operating Procedures and Materials Treatment
Analytical Chemistry - 出版者：Springer Boston
- ISSN：1544-1016
文摘
Vacuum kinetic spraying (VKS) was used to form a blocking layer (BL) in order to increase the efficiency of dye-sensitized solar cells. Nano-sized TiO2 powders were deposited on fluorine-doped tin oxide (FTO) glass while varying the coating parameters including the mass flow, substrate transverse speed, and number of coating passes in order to control the thickness of the BL. Compared to the cell without a BL, the open-circuit voltage and short-circuit current density of the solar cell with a VKS-coated BL were noticeably improved. Consequently, the photoconversion efficiency increased up to 5.6%, which is significantly higher than that of a spin-coated BL.