Formation of artificial pores in nano-TiO2 photo-electrode films using acetylene-black for high-efficiency, dye-sensitized solar cells

被引：0

作者：

Tae-Yeon Cho

Chi-Whan Han

Yongseok Jun

Soon-Gil Yoon

机构：

[1] Sollar Cell R&D Team,Department of Materials Engineering

[2] SeAH E&T Co. 1688-1,undefined

[3] Photovoltaic Research Center,undefined

[4] Korea Institute of Energy Research,undefined

[5] Interdisciplinary School of Green Energy,undefined

[6] Ulsan National Institute of Science and Technology,undefined

[7] UNIST-gil 50,undefined

[8] Chungnam National University,undefined

来源：

Scientific Reports | / 3卷

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摘要：

Acetylene-black paste without a light scattering layer was applied to meso-porous TiO2 photo-electrode films with a crystalline framework, a low residual carbon and a tunable morphological pore size. The thermal-treated TiO2 photo-electrode films had an increased acetylene-black concentration with an increase in artificial pores and a decrease in residual carbon. The performance of dye-sensitized solar cells (DSSCs) was enhanced by the use of the TiO2 photo-anode pastes at various acetylene-black concentrations. The photo-conversion efficiency of the DSSCs using TiO2 photo-electrode films with 1.5 wt% acetylene-black was enhanced from 7.98 (no acetylene-black) to 9.75% without the integration of a light- scattering layer.

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