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Issue 2, 2017
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Ligand-controlled formation of covalently modified antimoniomolybdates and their photochromic properties

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Abstract

Four inorganic–organic hybrids based on multicarboxylic acids and antimoniomolybdates, namely, (NH4)4(C3N2H5)4H4[(SbMo6O21)2{OOC(CH2)4COO}3]·7H2O (1), (NH4)8(C3N2H5)2H2[(SbMo6O21)2{OOC(CH2)6COO}3]·8H2O (2), (NH4)24[(SbMo6O21)4{C6H3(COO)3}4]·8H2O (3), and (NH4)6[(SbMo6O21){C9H9(COO)3}]·3H2O (4) have been synthesized under conventional solution conditions. Studies reveal that these compounds are monomers, dimers or tetramers, depending on the structures of the coordinated carboxylic acids. Also, the photochromic properties of these compounds were studied and compared, and based on the different carboxylic acids they displayed great disparities in the coloration speed under irradiation; the speed sequence is: 4 {benzene-1,3,5-triacetic acid (BTA)} > 2 (suberic acid) > 1 (adipic acid). It is indicated that compared to the applied aliphatic acids, the aromatic carboxylic acid ligands will facilitate the enhancement of the coloration speed of organic-POM hybrids.

Graphical abstract: Ligand-controlled formation of covalently modified antimoniomolybdates and their photochromic properties

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Publication details

The article was received on 08 Nov 2016, accepted on 30 Nov 2016 and first published on 30 Nov 2016


Article type: Communication
DOI: 10.1039/C6CE02343F
CrystEngComm, 2017,19, 207-213

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    Ligand-controlled formation of covalently modified antimoniomolybdates and their photochromic properties

    J. Wang, Y. Liang, P. Ma, D. Zhang, J. Niu and J. Wang, CrystEngComm, 2017, 19, 207
    DOI: 10.1039/C6CE02343F

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