Hydrothermal Synthesis and Characterization of a Novel Two-dimensional Framework Materials Constructed from Polyoxometalate and Coordination Groups: [H_2Mo_(5.5)V_(10.5)O_(40)(PO_4)][Cu(en)_2]_4·7H_2O
CUI Xiao-bing 1,ZHENG Shou-tian 1,SUN Yan-qiong 1 and YANG Guo-yu 1,2** 1. Coordination and Hydrothermal Chemistry Group,State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,P. R. China; 2. State Key Laboratory of Coordination Chemistry,Najing University,Nanjing 210093,P. R. China