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On-line Access: 2007-11-21

Received: 2007-04-04

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.143~148

10.1631/jzus.A071180


Hydrothermal synthesis and characterization of two novel inorganic-organic hybrid materials


Author(s):  Zeng-he LI, Hai-dan BAI

Affiliation(s):  College of Science, Beijing University of Chemical Technology, Beijing 100029, China; more

Corresponding email(s):   w-bhd@mail.cncic.gov.cn

Key Words:  Inorganic-organic hybrid materials, Hydrothermal synthesis, Crystal structure, Oxovanadium


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Zeng-he LI, Hai-dan BAI. Hydrothermal synthesis and characterization of two novel inorganic-organic hybrid materials[J]. Journal of Zhejiang University Science A, 2008, 9(21): 143~148.

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journal="Journal of Zhejiang University Science A",
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doi="10.1631/jzus.A071180"
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%A Hai-dan BAI
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%P 143~148
%@ 1673-565X
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%I Zhejiang University Press & Springer

TY - JOUR
T1 - Hydrothermal synthesis and characterization of two novel inorganic-organic hybrid materials
A1 - Zeng-he LI
A1 - Hai-dan BAI
J0 - Journal of Zhejiang University Science A
VL - 9
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SP - 143
EP - 148
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Abstract: 
By using different organic ligands, two 3D inorganic-organic hybrid compounds Co(C4H4N2)(VO3)2 1 and Co(C12H12N2)(VO3)2 2 were synthesized by hydrothermal reaction and characterized by X-ray crystallography. Crystal data: 1. crystal system orthorhombic, space group Pnna, a=10.188(2) Å, b=11.497(2) Å, c=7.3975(15) Å, V=866.5(3) Å3, Z=4, Dcalcd=2.705 g/cm3; 2. crystal system triclinic, space group P1 (No. 2), a=8.3190(17) Å, b=8.4764(17) Å, c=11.183(2) Å, α=95.48(3)°, β=92.03(3)°, γ=107.24(3)°, V=748.0(3) Å3, Z=2, Dcalcd=1.958 g/cm3. The framework of compound 1 contains both {Co(C4H4N2)} and infinite metavanadate chains. crystal structure of compound 2 is constructed with inorganic {CoV2O6} layers across-linked by organic 1,2-bis(4-pyridyl) ethane ligands. The two compounds are thermally stable to approximately 410 °C and 350 °C, respectively. Their optical band gaps are determined to be 2.13 eV and 2.12 eV by UV-VIS-NIR diffuse reflectance spectra, which revealed their nature of semiconductor and optical absorption features.

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Reference

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