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Tunable photochromic properties of hybrid solids controlled by the conjugated length of non-photochromic units

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Abstract

Coordinative bonding of the inorganic zincophosphite layer and organic linear bipyridine unit generates two hybrid photochromic frames [Zn(HPO3)(L)0.5] (L = 4,4′-bipy for 1, 1,4-dpb for 2). Distinct from the familiar hybrid photochromic materials based on photochromically active moieties, the photochromism in the resultant crystalline hybrid materials is driven by the metal-assisted charge transfer between the phosphite and its corresponding non-photochromic bipyridine units. Interestingly, the photochromic performance of the final products could be modulated via enlarging the conjugated length of the non-photochromic bipyridine units, which provides new insight into the design of superior photochromic materials via tailoring the organic moieties of the parent compound.

Graphical abstract: Tunable photochromic properties of hybrid solids controlled by the conjugated length of non-photochromic units

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Publication details

The article was received on 18 Jun 2019, accepted on 18 Jul 2019 and first published on 19 Jul 2019


Article type: Research Article
DOI: 10.1039/C9QI00730J
Inorg. Chem. Front., 2019, Advance Article

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    Tunable photochromic properties of hybrid solids controlled by the conjugated length of non-photochromic units

    B. Ge, Y. Han, S. Han, J. Li and G. Wang, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QI00730J

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