Synthesis, Structure, Electrochemical, Fluorescent Property and Photocatalytic Activity of Uranium(Ⅵ) Hybrid Supramolecules

doi:10.3724/SP.J.1095.2013.30093

Chinese Journal of Applied Chemistry

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Synthesis, Structure, Electrochemical, Fluorescent Property and Photocatalytic Activity of Uranium(Ⅵ) Hybrid Supramolecules

WANG Juan^2*, QI Xiaoting², LI Ziying^1*, HE Fulan², ZHU Wenhua², GUO Jian¹

(1.Beijing Research Institute of Uranium Geology，Beijing 100029，China；
2.College of Chemistry and Chemical Engineering,Hubei University,Wuhan 430062,China)

Received:2013-02-19 Revised:2013-05-14 Published:2014-02-10 Online:2014-02-10
Contact: Ziying Li
About author: WANG Juan; Tel：027-88662747; E-mail：wangjuan_hd@163.com; Research direction: Coordination chemistry; LI Ziying; professor;Tel：010-64960460; E-mail：zli9818@126.com; Research direction: Geochemistry

Abstract

Abstract: A uranium(Ⅵ) hybrid supramolecules containing 2,9-dimethyl-1,10-phenanthroline, namely [UO2Cl4]2[dmphenH2]2·3H2O(1), has been synthesized and characterized by IR, UV, XPS and X-ray single-crystal diffraction methods and so on. The crystal of uranium hybrid material belongs to monoclinic system, space group Cc with:a=1.7043(2) nm, b=0.8809(13) nm, c=2.7492(10) nm, α=90°, β=94.493(2)°, γ=90°, Z=4, V=4.1149(8) nm3, with a hexacoordinated distorted octahedral geometry. Because of the extensive hydrogen bonding interactions and π…π interactions, the structural stability of the compound has been greatly increased. The UV-Vis and fluorescence spectra at room temperature reveal that the maximal emission of the compound is red shifted as a result of coordination with the metal ion. The compound emits green luminescence at 506.6 nm(λex=407 nm). Cycling voltammetric study reveals that the compound exhibits an irreversible reduction peak and a pair of reversible redox peaks. The crystal shows high photocatalytic activity under UV light. CCDC：780721.

Key words: uranium, crystal structure, electrochemistry, fluorescent property, photocatalyst

CLC Number:

O614.1

WANG Juan2*, QI Xiaoting2, LI Ziying1*, HE Fulan2, ZHU Wenhua2, GUO Jian1. Synthesis, Structure, Electrochemical, Fluorescent Property and Photocatalytic Activity of Uranium(Ⅵ) Hybrid Supramolecules[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2013.30093.

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Synthesis, Structure, Electrochemical, Fluorescent Property and Photocatalytic Activity of Uranium(Ⅵ) Hybrid Supramolecules

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