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Updated: May 21, 2026

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
Published on: January 10, 2017
Electron donor and acceptor spatial distribution in structured bulk heterojunction photovoltaic devices induced by
Satoshi Watanabe1, Yasumasa Fukuchi, Masako Fukasawa
1Department of Materials Science and Technology, Tokyo University of Science, Yamazaki 2641, Noda, Chiba 278-8510, Japan. watasato@rs.noda.tus.ac.jp
Abstract:
Donor and acceptor spatial distributions were directly formed in a surface relief grating of structured bulk heterojunction (BHJ) photovoltaic devices by simple periodic photopolymerization. Enhanced photocurrents were observed in the structured BHJ photovoltaic devices and formation of the D/A spatial distribution was confirmed by Kelvin probe force microscopy. This technique enables the fabrication of structured BHJ photovoltaic devices with solution-processable organic semiconductors, and has tremendous potential for controlling D/A spatial distribution in organic optoelectronics devices.
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