A novel 2-D heterometallic polymer containing two types of 1-D cuprous polymeric chains and cir cle [V4O12](4-) clusters

resumo

A novel 2-D heterometallic polymer [Cu-4(biimpy)(4)(V4O12)](n)center dot 2H(2)O(1, biimpy = 2,6-bis(1-imdazoly) pyridine) has been hydrothermally synthesized and structurally characterized. 1 contains a rare 2-D heterometallic biimply layer built up from the linkages of the circle [V4O12](4-) clusters and two types of 1-D cuprous polymeric chains. Although a few cuprous imidazolate derivatives have been reported, their extended structures are generally constructed by only one type of building units. Therefore, 1 provides the rare example of 2-D layer based on two types of building units, namely 1-D cuprous polymeric chains and circle [V4O12](4-) clusters. 1 displays selectively photocatalytic of methylene blue under visible light irradiation. Spectroscopic properties and density functional theory calculation of 1 have been also investigated. (C) 2017 Elsevier B.V. All rights reserved.

palavras-chave

VISIBLE-LIGHT; SUPRAMOLECULAR ISOMERISM; PHOTOCATALYTIC ACTIVITY; COORDINATION POLYMERS; COPPER(I); WATER; IMIDAZOLATE; METAL; FRAMEWORKS; LIGAND

categoria

Chemistry; Materials Science; Metallurgy & Metallurgical Engineering

autores

Tang, QL; Zhou, J; Liu, X; Xiao, H; Li, WP; Fu, LS; Dong, TT

nossos autores

agradecimentos

This work was supported by the NNSF of china (No. 21671029), the NSF of Chongqing municipality (Nos. cstc2014jcyjA50002, cstc2015jcyjBX0117), Program for Excellent Talents in Chongqing Higher Education Institutions, and partially developed in the scope of the projects CICECO-Aveiro Institute of Materials, financed by national funds through the Fundacao para a Ciencia e a Tecnologia/Ministerio da Educacaoe Ciencia (FCT/MEC) and when applicable cofinanced by FEDER under the PT2020 Partnership Agreement. The authors are also grateful to Chongqing Normal University for financial support (14CSLJ02, 13XLZ07) and the Innovative Training Program of University Student (No. 201510637018).

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