Synthesis of electrochromic praseodymium-doped vanadium oxide films by molten salt electrolysis

被引：9
|
作者：
Kaneko, Y [1 ]
Mori, S [1 ]
Yamanaka, J [1 ]
机构：
[1] Yamanashi Univ, Fac Engn, Yamanashi 4008511, Japan
来源：
SOLID STATE IONICS | 2002年 / 151卷 / 1-4期
关键词：
electrochromic; praseodymium vanadium; DMSO2; electrolysis;
D O I：
10.1016/S0167-2738(02)00601-X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The praseodymium oxide (PrxOy) and praseodymium-doped vanadium oxide films were synthesized onto the ITO electrode by electrolysis in molten dimethylsulphone (DMSO2)-PrCl3, DMSO2-PrCl3-LiNO3 and DMSO2-PrCl3-V2O5 system at the temperature about 150 degreesC. The obtained films were characterized by X-ray diffraction (XRD) and spectroscopic measurements. Moreover, the electrochromic (EC) reactions of the oxide films in solution of propylene carbonate (PC) were investigated. The absorption spectrum of praseodyiniurn oxide films obtained by electrodeposition in DMSO2-PrCl3 Systems had 560- and 390-nm peaks due to mixed valence of Pr3+ and Pr2+. And the effect of lithium ion intercalation or deintercalation was shown in color change of oxide films. The cyclic voltammograms (CV) of praseodymium-doped vanadium oxide films obtained by electrodeposition in DMSO2-PrCl3-V2O5 systems showed the good reversibility of EC reactions. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：35 / 39
页数：5
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