Spectroscopic exploration of photon-electron conversion mechanisms in polymer solar cells

Hideo Ohkita

Associate Professor, Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University

Abstract

To develop highly efficient organic solar cells, we have to analyze the device performance on the basis of in-depth understanding of all fundamental processes such as exciton generation by photon absorption, exciton diffusion, charge separation, charge transport, and charge collection to the electrodes. In this project, we study all the fundamental processes by the laser spectroscopy to clarify the essence for improving the performance, and also explore novel photo-electron conversion mechanisms to create next-generation solar cells.