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Citation: LI Guo-Qing, TANG Xiao-Mei, ZHOU Bai-Bin, XU Xue-Qin, ZHANG Xu. Preparation of Polyoxometalates Containing Lithium and Their Conductivity[J]. Chinese Journal of Applied Chemistry, ;2009, 26(1): 67-71. shu

Preparation of Polyoxometalates Containing Lithium and Their Conductivity

1.
a Department of Chemistry, Harbin Normal University, Harbin 150080;
2.
b Department of Life Science and Chemistry, Harbin College, Harbin 150086

Corresponding author: ZHOU Bai-Bin,
Received Date: 11 December 2007
Available Online: 31 May 2008
Fund Project: 国家自然科学基金(20371014,20671026) (20371014,20671026)黑龙江省自然科学基金(ZTB2005-33) (ZTB2005-33)黑龙江省高校骨干教师创新基金(1055G016) (1055G016)黑龙江省教育厅科研基金(10543071)资助项目 (10543071)

Three heteropolyoxometalates containing lithium were prepared by means of direct method and degradation for the first time.The chemical formulas were confirmed as K_n[XLi(OH₂)W₁₁O₃₉]·xH₂O(X=Si,P,B) by ICP and TG and their structures were characterized by IR,UV,XRD,XPS and 183W NMR.The results show that the new materials are all of Keggin-type structure,in which one W atom has been substituted by one Li atom.The results of DTA indicate that the new materials have good thermostability.The redox cesses are irreversible.The determination results of conductivity show they all have conductivity and the conductivities are 2.4×10^-6 S/cm for K₇[SiLi(OH₂)W₁₁O₃₉]·xH₂O,3.8×10^-6 S/cm for K₆[PLi(OH₂)W₁₁O₃₉]·xH₂O,7.3×10^-7 S/cm for K₈[BLi(OH₂)W₁₁O₃₉]·xH₂O,respectively.
- lithium,
- polyoxometalate,
- preparation,
- conductivity
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