[19a-PB3-1~25] 13.8 Optical properties and light-emitting devices

[19a-PB3-6] Improvement of solar cell characteristics by addition of ZnSe/ZnS:Mn/ZnS quantum dots as wavelength conversion materials

〇Hisaaki Nishimura¹, Takaya Maekawa¹, Tomomi Takagi², Susumu Sobue², Syouichi Kawai², Jyun Hasegawa², DaeGwi Kim¹ (1.Osaka City Univ., 2.DENSO CORPORATION)

Keywords:wavelength conversion materials, solar cells, Mn doping

In recent years, the power generation efficiency of the solar cell have been improved by the addition of the wavelength conversion materials. We have developed the synthetic methods of ZnSe/ZnS:Mn/ZnS core/shell/shell nanoparticles. These nanoparticles have potential as a wavelength conversion material because ZnSe absorbs light in UV region and exhibits orange emission as a result of the d-d transition in the emission center of Mn²⁺. In this study, these nanoparticles were applied for photovoltaic cell. It was observed power generation major improvement.