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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014 

Construction of a 2D Co(II) Coordination Polymer with (4,4)-Connected Topology: Synthesis, Crystal Structure, and Surface Photo-electric Property
Jia-Ming Li
Co(II), Coordination polymer, Crystal structure
A 2D grid-like (4, 4)-connected topology coordination polymer, [Co(BTA)2(H2O)2]n (1), where HBTA = 2- (1H-benzotriazol-1-yl)acetic acid, has been synthesized by hydrothermal method and characterized by single crystal X-ray diffraction, IR spectroscopy, elemental analysis and surface photovoltage spectroscopy (SPS). X-ray diffraction analyses indicated that 1 displays octahedral metal centers with secondary building units (SBUs) [Co(BTA)2(H2O)2] bridged by the BTA− ligands. In the crystal, the 2D supramolecular architecture is further supported by O–H···O, O–H···N, C–H···O hydrogen bonds and π···π stacking interactions. The SPS of polymer 1 indicates that there are positive response bands in the range of 300–600 nm showing photo-electric conversion properties. There are good relationships between SPS and UV–Vis spectra.
1177 - 1181
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