通过高温固气反应对α-K10[SiW9Co3(OH2)3O37]进行了NdCl3的化学扩渗,XRD谱图分析表明,扩渗后,原化合物的笼型结构被破坏,生成了四方结构钨青铜化合物.X-射线光电子能谱、X-射线荧光分析和能谱分析表明微量的钕离子可渗入到化合物的体相中参与反应,其中,钕离子和原前驱体化合物中的钾离子成为添隙离子;产物分子式为K0.75Nd0.042WO3.该材料室温下导电率σ为0.34 S*cm-1.
参考文献
| [1] | Canadell E;whangbo M-H .Possibility of charge density wave instability in the barium tungsten bronze Ba0.15Wo3[J].Inorganic Chemistry,1994,33:1864-1868. |
| [2] | Kwang-Soon Lee;Dong-Kyun Seo;Myung-Hwan Whangbo .Electronic Band Structure Study of the Anomalous Electrical and Superconducting Properties of Hexagonal Alkali Tungsten Bronzes A_xWO_3 (A = K, Rb, Cs)[J].Journal of the American Chemical Society,1997(17):4043-4049. |
| [3] | Fan R.;Gui Z.;Sun Z.;Li SY.;Chen ZY.;Chen XH. .Chemical synthesis and electronic conduction properties of sodium and potassium tungsten bronzes[J].The journal of physics and chemistry of solids,2000(12):2029-2033. |
| [4] | Hornebecq V.;Elissalde C.;Porokhonskyy V.;Bovtun V.;Petzelt J. Gregora I.;Maglione M.;Ravez J. .Dielectric relaxation in tetragonal tungsten bronze ceramics[J].The journal of physics and chemistry of solids,2003(3):471-476. |
| [5] | O.Yu.Khyzhun;Yu.M.Solonin;V.D.Dobrovolsky .Electronic structure of hexagonal tungsten trioxide: XPS, XES, and XAS studies[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2001(1):1-6. |
| [6] | Inagaki M.;Tsumura T.;Shimizu A.;Omori K. .LITHIUM INSERTION INTO M(2+)-V2O5 BRONZES (M=NI,MN,CO,CU)[J].Solid state ionics,1996(2):849-851. |
| [7] | S. Okazaki;H. Nakagawa;S. Asakura;Y. Tomiuchi;N. Tsuji;H. Murayama;M. Washiya .Sensing characteristics of an optical fiber sensor for hydrogen leak[J].Sensors and Actuators, B. Chemical,2003(1/3):142-147. |
| [8] | Sekimoto S.;Okazaki S.;Fukuda K.;Asakura S.;Shigemori T. Takahashi S.;Nakagawa H. .A fiber-optic evanescent-wave hydrogen gas sensor using palladium-supported tungsten oxide[J].Sensors and Actuators, B. Chemical,2000(1/3):142-145. |
| [9] | Zhu ZT.;Musfeldt JL.;Koo HJ.;Whangbo MH.;Teweldemedhin ZS.;Greenblatt M. .Dimensionality effects on the optical properties of (PO2)(4)(WO3)(2m) (m=2, 4, 6, 7)[J].Chemistry of Materials,2002(6):2607-2615. |
| [10] | Shuk P;Ramanujachary K V;Greenblatt M .Molybdenum oxide bronzes as pH sensors[J].Electrochimica Acta,1996,41(13):2055-2058. |
| [11] | P. Shuk;M. Greenblatt;K.V. Ramanujachary .Sodium ion sensitive electrode based on a molybdenum oxide bronze[J].Solid state ionics,1996(3/4):233-238. |
| [12] | Shuk P.;Greenblatt M.;Ramanujachary KV. .NEW METAL-OXIDE-TYPE PH SENSORS[J].Solid state ionics,1996(2):1115-1120. |
| [13] | Grenthe C.;Filonenko VP.;Zibrov IP.;Sundberg M. .High-pressure tungsten bronzes, RExWO3 with RE = La and Nd, studied by X-ray diffraction and electron microscopy[J].International Journal of Quantum Chemistry,2000(2):466-475. |
| [14] | 周百斌,韦永德,李中华.K10H3[Gd（SiMo4W7O39）2]配合物界面扩渗Ce和Lu及其介导性能[J].无机化学学报,2002(08):761-763. |
| [15] | 李中华,韦永德,周百斌,王进福.钐和钆对K10H3[Dy（SiW4Mo7O39）2]配合物的化学热扩渗及其导电性的研究[J].中国稀土学报,2003(04):484-486. |
| [16] | 郭元茹,韦永德,李中华,李欣,周百斌.硅钨多金属氧酸盐气相扩渗制备钾钨青铜的研究[J].分子科学学报,2005(02):16-20. |
| [17] | 李昕,郭元茹,高玉枝,李中华,管彩云.用稀土多元渗法制备钾稀土钨青铜KxLayWO3的XPS研究[J].无机化学学报,2006(01):171-174. |
| [18] | 李昕,吴丽平,郭元茹.稀土气相扩渗法制备钕-氮化钼及其导电性[J].无机化学学报,2006(10):1911-1915. |
| [19] | Herve G;Teze A .Study of a-and β-enneatung stosilicates and germanates[J].Inorganic Chemistry,1977,16:2115-2117. |
| [20] | Liu J F;Ortega F;Sethuraman P et al.Trimetallo derivatives of lacunary 9-tungstosilicate heteropolyanions.Part 1.synthesis and charaterization[J].Journal of the Chemical Society Dalton Transactions,1992,21(12):1901-1906. |
| [21] | L. BARTHA;A. B. KISS;T. SZALAY .Chemistry of Tungsten Oxide Bronzes[J].International Journal of Refractory Metals & Hard Materials,1995(1/3):77-91. |
| [22] | 郭元茹,潘清江,韦永德,李中华,周百斌.Keggin结构多金属氧酸盐α-[SiW12O40]4-的从头算理论研究[J].高等学校化学学报,2003(10):1862-1864. |
| [23] | 王作屏;牛景扬;许林 等.Keggin结构杂多酸热性质研究[J].化学学报,1995,53:757-764. |
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