Annealing effect on electrochromic properties of tungsten oxide nanowires

Chia-Ching Liao; Fu-Rong Chen; Ji-Jung Kai

doi:10.1016/j.solmat.2007.04.014

Annealing effect on electrochromic properties of tungsten oxide nanowires

Chia-Ching Liao^*
, Fu-Rong Chen
, Ji-Jung Kai

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

56 Citations (Scopus)

Abstract

The effect of thermal annealing on the electrochromic properties of the tungsten oxide (WO_3-x) nanowires deposited on a transparent conducting substrate by vapor evaporation was investigated. The X-ray diffraction (XRD) indicated that the structures of the nanowries annealed below 500 °C had no significant change. The X-ray photoelectron spectroscopy (XPS) analysis suggested that the O/W ratio and the amount of W⁶⁺ ions in the annealed nanowire films could be increased as increasing annealing temperature. Increased annealing temperature could promote the coloration efficiency and contrast of the nanowire films; however, it could also affect the switching speed of the nanowire films. © 2007 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	1258-1266
Journal	Solar Energy Materials and Solar Cells
Volume	91
Issue number	13
DOIs	https://doi.org/10.1016/j.solmat.2007.04.014
Publication status	Published - 15 Aug 2007
Externally published	Yes

Research Keywords

Electrochromic properties
Thermal annealing
WO3-x nanowires

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10.1016/j.solmat.2007.04.014

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title = "Annealing effect on electrochromic properties of tungsten oxide nanowires",

abstract = "The effect of thermal annealing on the electrochromic properties of the tungsten oxide (WO3-x) nanowires deposited on a transparent conducting substrate by vapor evaporation was investigated. The X-ray diffraction (XRD) indicated that the structures of the nanowries annealed below 500 °C had no significant change. The X-ray photoelectron spectroscopy (XPS) analysis suggested that the O/W ratio and the amount of W6+ ions in the annealed nanowire films could be increased as increasing annealing temperature. Increased annealing temperature could promote the coloration efficiency and contrast of the nanowire films; however, it could also affect the switching speed of the nanowire films. {\textcopyright} 2007 Elsevier B.V. All rights reserved.",

keywords = "Electrochromic properties, Thermal annealing, WO3-x nanowires",

author = "Chia-Ching Liao and Fu-Rong Chen and Ji-Jung Kai",

year = "2007",

month = aug,

day = "15",

doi = "10.1016/j.solmat.2007.04.014",

language = "English",

volume = "91",

pages = "1258--1266",

journal = "Solar Energy Materials and Solar Cells",

issn = "0927-0248",

publisher = "Elsevier B.V.",

number = "13",

}

TY - JOUR

T1 - Annealing effect on electrochromic properties of tungsten oxide nanowires

AU - Liao, Chia-Ching

AU - Chen, Fu-Rong

AU - Kai, Ji-Jung

PY - 2007/8/15

Y1 - 2007/8/15

N2 - The effect of thermal annealing on the electrochromic properties of the tungsten oxide (WO3-x) nanowires deposited on a transparent conducting substrate by vapor evaporation was investigated. The X-ray diffraction (XRD) indicated that the structures of the nanowries annealed below 500 °C had no significant change. The X-ray photoelectron spectroscopy (XPS) analysis suggested that the O/W ratio and the amount of W6+ ions in the annealed nanowire films could be increased as increasing annealing temperature. Increased annealing temperature could promote the coloration efficiency and contrast of the nanowire films; however, it could also affect the switching speed of the nanowire films. © 2007 Elsevier B.V. All rights reserved.

AB - The effect of thermal annealing on the electrochromic properties of the tungsten oxide (WO3-x) nanowires deposited on a transparent conducting substrate by vapor evaporation was investigated. The X-ray diffraction (XRD) indicated that the structures of the nanowries annealed below 500 °C had no significant change. The X-ray photoelectron spectroscopy (XPS) analysis suggested that the O/W ratio and the amount of W6+ ions in the annealed nanowire films could be increased as increasing annealing temperature. Increased annealing temperature could promote the coloration efficiency and contrast of the nanowire films; however, it could also affect the switching speed of the nanowire films. © 2007 Elsevier B.V. All rights reserved.

KW - Electrochromic properties

KW - Thermal annealing

KW - WO3-x nanowires

UR - https://www.scopus.com/pages/publications/34249814598

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-34249814598&origin=recordpage

U2 - 10.1016/j.solmat.2007.04.014

DO - 10.1016/j.solmat.2007.04.014

M3 - RGC 21 - Publication in refereed journal

SN - 0927-0248

VL - 91

SP - 1258

EP - 1266

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

IS - 13

ER -

Annealing effect on electrochromic properties of tungsten oxide nanowires

Abstract

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