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. 2015 Jan 7;54(2):430-5.
doi: 10.1002/anie.201408862. Epub 2014 Dec 4.

Photochromic metal-organic frameworks: reversible control of singlet oxygen generation

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Photochromic metal-organic frameworks: reversible control of singlet oxygen generation

Jihye Park et al. Angew Chem Int Ed Engl. .

Abstract

The controlled generation of singlet oxygen is of great interest owing to its potential applications including industrial wastewater treatment, photochemistry, and photodynamic therapy. Two photochromic metal-organic frameworks, PC-PCN and SO-PCN, have been developed. A photochromic reaction has been successfully realized in PC-PCN while maintaining its single crystallinity. In particular, as a solid-state material which inherently integrates the photochromic switch and photosensitizer, SO-PCN has demonstrated reversible control of (1)O2 generation. Additionally, SO-PCN shows catalytic activity towards photooxidation of 1,5-dihydroxynaphthalene.

Keywords: metal-organic frameworks; oxidation; photochromism; sensitizers; singlet oxygen.

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