13 September 2012 Microwave-assisted synthesis of nanocrystalline TiO2 for dye-sensitized solar cells
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Abstract
The main purposes of this study are replacing conventional hydro-thermal method by microwave heating using water as reaction medium to rapidly synthesize TiO2.Titanium tetraisopropoxide (TTIP) was hydrolyzed in water. The solution is subsequently processed with microwave heating for crystal growth. The reaction time could be shortened into few minutes. Then we chose different acids as dispersion agents to prepare TiO2 paste for investigating the effects of dispersion on the power conversion efficiency of dye-sensitized solar cells (DSCs). The photovoltaic performance of the microwave-assisted synthesized TiO2 achieved power conversion efficiency of 6.31% under AM 1.5 G condition (100 mW/cm2). This PCE value is compatible with that of the devices made from commercial TiO2.
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Ta-Chuan Kuo, Ta-Chuan Kuo, Tzung-Fang Guo, Tzung-Fang Guo, Peter Chen, Peter Chen, "Microwave-assisted synthesis of nanocrystalline TiO2 for dye-sensitized solar cells", Proc. SPIE 8476, Organic Light Emitting Materials and Devices XVI, 847625 (13 September 2012); doi: 10.1117/12.930466; https://doi.org/10.1117/12.930466
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