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Updated: May 18, 2026

Optical Control of Living Cells Electrical Activity by Conjugated Polymers
Published on: January 28, 2016
Simultaneous control of carriers and localized spins with light in organic materials
Toshio Naito1, Tomoaki Karasudani, Keishi Ohara
1Graduate School of Science and Engineering, Ehime University, Bunkyo-cho, Matsuyama 790-8577, Japan. tnaito@ehime-u.ac.jp
Abstract:
An organic insulating crystal reversibly becomes a magnetic conductor under UV irradiation. The rapid and qualitative change in the physical properties is wavelength selective and explained by charge transfer between donor and photochemically active acceptor molecules. The photochemical redox reaction in the crystal produces a partially filled band and localized spins simultaneously.
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