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Citation: WANG Juan, QI Xiaoting, LI Ziying, HE Fulan, ZHU Wenhua, GUO Jian. Synthesis,Structure,Electrochemical,Fluorescent Property and Photocatalytic Activity of Uranium(Ⅵ) Hybrid Supramolecules[J]. Chinese Journal of Applied Chemistry, ;2014, 31(2): 193-199. doi: 10.3724/SP.J.1095.2014.30093 shu

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

WANG Juan ^b,, ,
QI Xiaoting ^b ,
LI Ziying ^a,, ,
HE Fulan ^b ,
ZHU Wenhua ^b ,
GUO Jian ^a

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

Corresponding author: WANG Juan, LI Ziying,
Received Date: 19 February 2013
Available Online: 15 May 2013
Fund Project: 国家青年科学基金资助项目(21201061) (21201061)湖北省自然科学基金资助项目(2012FFB00205) (2012FFB00205)国防科技应用基础研究项目(A0120060595-06)资助 (A0120060595-06)

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(λ_ex=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.
- uranium,
- crystal structure,
- electrochemistry,
- fluorescent property,
- photocatalyst
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