Surface modification of dye-sensitized solid-state solar cells by atmospheric-pressure plasma jet

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概要

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• Surface treatment of dye-sensitized solid-state solar cells (DSSSCs) by an atmospheric-pressure plasma jet was carried out to improve the characteristics of DSSSCs using Ar/O<inf>2</inf>as a process gas. This is a dry process and a low energy consumption method for the surface modification of DSSSCs owing to the easy generation of plasma at atmospheric pressure. Active species and radicals were generated by the atmospheric-pressure plasma jet to modify the TiO<inf>2</inf>surface in the DSSSCs. The important parameters of DSSSCs, such as the short circuit photocurrent density (J<inf>SC</inf>) and the open circuit photovoltage (V<inf>OC</inf>), were measured using the solar cell evaluation system. The surface condition of DSSSCs was analyzed by X-ray photoelectron spectroscopy (XPS), ultraviolet visible absorption spectroscopy (UV-VIS), and scanning electron microscopy (SEM). As a result, the solar conversion efficiency of DSSSCs increased to 1.96% from 1.60% after 15 min of dry plasma treatment.

• 2014-10-01

著者

• Shimizu Kazuo

  Organization for Innovation and Social Collaboration, Shizuoka University, Hamamatsu 432-8561, Japan

関連論文

• Atmospheric Microplasma Application for Surface Modification of Biomaterials (Special Issue : Applied Physics on Materials Research)
• Surface modification of dye-sensitized solid-state solar cells by atmospheric-pressure plasma jet

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