Preparation, characterisation and electrochromic property of mesostructured tungsten oxide films via a surfactant templated sol-gel process from tungstic acid

Research output: Contribution to journalArticleResearchpeer-review

24 Citations (Scopus)
25 Downloads (Pure)

Abstract

A novel kind of mesoporous tungsten oxide films (TOFs) has been prepared via a non-ionic surfactant templated sol-gel route from cheap and easy handling tungstic acid. Characterisations by means of various techniques, including XRD, TEM, SEM, ATR and DTA, confirm that the obtained mesostructures are composed of fine mesopores (2-3 nm) and thin pore walls. Compared with previously reported surfactant templated mesoporous TOFs, our initial evaluation on the electrochromic properties showed that the derived TOFs show greatly enhanced colouration efficiency of 44 cm2C-1 and faster colouration/bleaching speed of 10/2 s, respectively. Owing to the ordering of mesostructures delivered by our method, the mesostructural changes associated with the electrochemical reaction during the electrochromic cycling of such materials can be directly monitored by low-angle XRD measurements.

Original languageEnglish
Pages (from-to)19-28
JournalJournal of Sol-Gel Science and Technology
Volume54
Issue number1
DOIs
Publication statusPublished - 1 Apr 2010

Fingerprint

tungsten oxides
sol-gel processes
Surface-Active Agents
Sol-gel process
Oxide films
Tungsten
oxide films
Surface active agents
surfactants
preparation
acids
Acids
color
Nonionic surfactants
bleaching
Angle measurement
Bleaching
Differential thermal analysis
Sol-gels
thermal analysis

Bibliographical note

Author can archive post-print (ie final draft post-refereeing).

Cite this

@article{f09d95c3850f42fd90d43d55b88efd7e,
title = "Preparation, characterisation and electrochromic property of mesostructured tungsten oxide films via a surfactant templated sol-gel process from tungstic acid",
abstract = "A novel kind of mesoporous tungsten oxide films (TOFs) has been prepared via a non-ionic surfactant templated sol-gel route from cheap and easy handling tungstic acid. Characterisations by means of various techniques, including XRD, TEM, SEM, ATR and DTA, confirm that the obtained mesostructures are composed of fine mesopores (2-3 nm) and thin pore walls. Compared with previously reported surfactant templated mesoporous TOFs, our initial evaluation on the electrochromic properties showed that the derived TOFs show greatly enhanced colouration efficiency of 44 cm2C-1 and faster colouration/bleaching speed of 10/2 s, respectively. Owing to the ordering of mesostructures delivered by our method, the mesostructural changes associated with the electrochemical reaction during the electrochromic cycling of such materials can be directly monitored by low-angle XRD measurements.",
author = "Wei Wang and Yongxin Pang and Hodgson, {Simon N. B.}",
note = "Author can archive post-print (ie final draft post-refereeing).",
year = "2010",
month = "4",
day = "1",
doi = "10.1007/s10971-010-2152-6",
language = "English",
volume = "54",
pages = "19--28",
journal = "Journal of Sol-Gel Science and Technology",
issn = "0928-0707",
publisher = "Springer Netherlands",
number = "1",

}

TY - JOUR

T1 - Preparation, characterisation and electrochromic property of mesostructured tungsten oxide films via a surfactant templated sol-gel process from tungstic acid

AU - Wang, Wei

AU - Pang, Yongxin

AU - Hodgson, Simon N. B.

N1 - Author can archive post-print (ie final draft post-refereeing).

PY - 2010/4/1

Y1 - 2010/4/1

N2 - A novel kind of mesoporous tungsten oxide films (TOFs) has been prepared via a non-ionic surfactant templated sol-gel route from cheap and easy handling tungstic acid. Characterisations by means of various techniques, including XRD, TEM, SEM, ATR and DTA, confirm that the obtained mesostructures are composed of fine mesopores (2-3 nm) and thin pore walls. Compared with previously reported surfactant templated mesoporous TOFs, our initial evaluation on the electrochromic properties showed that the derived TOFs show greatly enhanced colouration efficiency of 44 cm2C-1 and faster colouration/bleaching speed of 10/2 s, respectively. Owing to the ordering of mesostructures delivered by our method, the mesostructural changes associated with the electrochemical reaction during the electrochromic cycling of such materials can be directly monitored by low-angle XRD measurements.

AB - A novel kind of mesoporous tungsten oxide films (TOFs) has been prepared via a non-ionic surfactant templated sol-gel route from cheap and easy handling tungstic acid. Characterisations by means of various techniques, including XRD, TEM, SEM, ATR and DTA, confirm that the obtained mesostructures are composed of fine mesopores (2-3 nm) and thin pore walls. Compared with previously reported surfactant templated mesoporous TOFs, our initial evaluation on the electrochromic properties showed that the derived TOFs show greatly enhanced colouration efficiency of 44 cm2C-1 and faster colouration/bleaching speed of 10/2 s, respectively. Owing to the ordering of mesostructures delivered by our method, the mesostructural changes associated with the electrochemical reaction during the electrochromic cycling of such materials can be directly monitored by low-angle XRD measurements.

UR - http://www.scopus.com/inward/record.url?scp=77951256506&partnerID=8YFLogxK

U2 - 10.1007/s10971-010-2152-6

DO - 10.1007/s10971-010-2152-6

M3 - Article

VL - 54

SP - 19

EP - 28

JO - Journal of Sol-Gel Science and Technology

JF - Journal of Sol-Gel Science and Technology

SN - 0928-0707

IS - 1

ER -