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Updated: Jun 4, 2025

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
Published on: August 7, 2018
Novel photochromic system using methylene blue reduction with l-ascorbic acid
Takahiro Suzuki1, Fuka Nakamura2, Kanon Ie3
1Department of Chemistry, Faculty of Science, Tokyo University of Science 1-3 Kagurazaka Shinjyuku-ku Tokyo 162-8601 Japan staka@rs.tus.ac.jp.
Abstract:
A novel photochromic system was discovered, in which leucomethylene blue, reduced by l-ascorbic acid, was irradiated with 405 nm visible light, resulting in the solution undergoing a colorless-to-blue transition. The process was then repeated, with the solution returning to its colorless state when left undisturbed. This photochromic reaction is sensitive enough to be driven by a blue-violet LED lamp and enables figures to be drawn in solution with a laser pointer.
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