为提高WO3电致变色薄膜的循环使用寿命,采用过氧钨酸法将具有高离子电导率的高分子聚合物聚环氧乙烷与氧化钨复合,制备了相应的溶胶、凝胶与薄膜,利用XRD、FT-IR和TEM分析方法研究了体系的溶胶凝胶过程,并结合胶体化学原理讨论了制备条件对相应溶胶稳定性的影响.结果表明:醋酸与钨酸凝胶形成的较强相互作用,影响钨酸的溶胶凝胶过程;PEO在溶胶形成过程中对溶胶簇团的交联起导向作用;COOH-离子对扩散双电层的影响和PEO的空间位阻效应使溶胶稳定.
参考文献
| [1] | Livage J.;Ganguli D. .Sol-gel electrochromic coatings and devices: A review[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2001(3/4):365-381. |
| [2] | Zhongchun Wang;Xingfang Hu .Electrochromic properties of TiO_2-doped WO_3 films spin-coated from Ti-stabilized peroxotungstic acid[J].Electrochimica Acta,2001(13/14):1951-1956. |
| [3] | SRIDHAR Komarnen .Nanocomposites[J].Journal of Materials Chemistry,1992,120(02):1219-1230. |
| [4] | Osamu Yamaguchi;DALIO Tomihisa;HIDENAO Kawabata .Formation and transformation of WO3 prepared from alkoxide[J].Journal of American Ceramic Society,1987,70(05):94-96. |
| [5] | Judeinstein P;LIVAGE J .Sol-gel synthesis of WO3thin films[J].Journal of Materials Chemistry,1991,1(01):621-627. |
| [6] | 程继健;柯琪 .溶胶凝胶法制备氧化钨电色薄膜[J].硅酸盐学报,1993,21(01):45-53. |
| [7] | 彭文世;刘高魁.矿物红外光谱图集[M].北京:科学出版社,1982 |
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