Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 8, Issue 2, Pages 293-298Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2005.12.008
Keywords
WO3 center dot H2O nanorods; single crystals; elcetrochromics; one-dimensional oxides
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Single crystalline WO3 (.) H2O nanorods have been prepared using a facile Solution route for the first time, in which PVA-124 is used as a structure-directing agent and glacial acetic acid Lis a stabilizer. The results prove that the x value in the fully reduced form of MxW(1-x)6+ Wx5+O3 is Close to 1 for the rod-type WO3 (.) H2O nanocrystals instead of 0.7 for the platelet-type WO3 (.) H2O nanocrystals. The electrochromic performance of the rod-type WO3 (.) H2O nanocrystals is significantly improved in terms of fast response time and high contrast clue to the plane with wider lattice spacing of d = 5.36 angstrom is parallel to the growth direction and faces towards the electrolyte. (c) 2005 Elsevier B.V. All rights reserved.
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