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Advanced Materials

Reversible Photoregulation of the Electrical Conductivity of Spiropyran-Doped Polyaniline for Information Recording and Nondestructive Processing

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  • This research was financially supported by NSFC (90101025), the Chinese Academy of Sciences, and the State Key Basic Research Program. D. Zhang thanks the National Science Fund for Distinguished Young Scholars. Supporting information is available online from Wiley Interscience or from the authors.

Abstract

Reversibly photoswitchable proton transfer processes can occur between a three-state molecular switch based on spiropyran (SP) and the “salt form” of polyaniline (see Figure), both in solution and in the solid state. As a result, the electrical conductivity of the thin-film of SP-doped polyaniline can be photoregulated.

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