Characterization of Ultrasonic Spray Pyrolysis Deposited WO<sub>3</sub> Thin Film for Photoelectrochemical Splitting of Water

苏进展; 李明涛; 郭烈锦

您当前的位置：

首页 >

文章列表页 >

Characterization of Ultrasonic Spray Pyrolysis Deposited WO₃ Thin Film for Photoelectrochemical Splitting of Water

更新时间：2025-12-08

- Characterization of Ultrasonic Spray Pyrolysis Deposited WO₃ Thin Film for Photoelectrochemical Splitting of Water
- Vol. 42, Issue 5, Pages: 617-621+625(2008)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： O649
- Online First：10 May 2008，
  
  Published：2008
- 稿件说明：
移动端阅览
苏进展, 李明涛, 郭烈锦. Characterization of Ultrasonic Spray Pyrolysis Deposited WO₃ Thin Film for Photoelectrochemical Splitting of Water[J]. 2008, 42(5): 617-621+625.
DOI：

苏进展, 李明涛, 郭烈锦. Characterization of Ultrasonic Spray Pyrolysis Deposited WO₃ Thin Film for Photoelectrochemical Splitting of Water[J]. 2008, 42(5): 617-621+625. DOI：

摘要

以H

在93 ℃水浴中溶解H

得到的溶液作为超声喷雾热分解反应的前驱液制备WO

薄膜

考查了H

添加量及前驱液浓度对薄膜结构和光电化学制氢性能的影响.结果表明

增加前驱液中H

的添加量和降低前驱液浓度都能使薄膜表面由网状结构分裂成颗粒堆积结构

低浓度前驱液制备的薄膜表面经热处理后会结晶出尺寸较大的颗粒.前驱液浓度越高或H

添加量越多

则平带电位变得越负.光电转换效率(IPCE)测量结果表明

对于所有样品

在电极电位(饱和甘汞电极)为0.5 V时

光照产生光电流的起始波长都为450 nm.在强度较弱的单色光照射下

光电效率随H

添加量的增加和前驱液浓度的降低都先增大后减小.氙灯直接照射下的光电流测试结果表明

添加量对光电流的影响不大

而前驱液浓度的降低增大了光电流.

Abstract

films were deposited by ultrasonic spray pyrolysis using the precursor obtained by dissolving tungsten acid in hydrogen peroxide aqueous solution in 366 K water bath. The effect on the structure and photoelectrochemical properties of WO

films by varying amount of hydrogen peroxide and concentration of precursor was investigated. It is found that increase in amount of hydrogen peroxide and decrease in concentration of precursor lead to more cracks on the network-like film surface to transform

it into a particle-assembled structure

while the particles in the films deposited with low concentration precursor crystallize to large grains after annealing process. The flat-band potential shifts negatively with both increasing hydrogen peroxide and precursor concentration. The incident photon to current efficiency(IPCE)first increases and then decreases with the increasing hydrogen peroxide and decreasing precursor concentration. The same photocurrent onset wavelength for all the films is observed as 450 nm with the illumination light wavelength scan from long length to short. The photocurrent-voltage feature under high intensity illumination from Xe lamp reveals that photocurrent increases with lower concentration of precursor

while the photocurrent changes little with different amount of hydrogen peroxide.

关键词

Keywords

references

FUJISHIMA A, KOBAYAKAWA K, HONDA K. Hydrogen production under sunlight with an electrochemical photocell [J]. J Electrochem Soc, 1975, 122(11): 1487-1489.

O'REGAN B, GRATZEL M. A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films [J]. Nature, 1991, 353(6346): 737-740.

RADECKA M, SOBAS P, WIEZBICKA M, et al. Photoelectrochemical properties of undoped and Ti-doped WO3[J]. Physica: B, 2005, 364(1/4): 85-92.

ENESCA A, CUTA A, SCHOONMAN J. Study of photoactivity of tungsten trioxide(WO3)for water splitting [J].Thin Solid Films, 2007, 515(16): 6371-6374.

WANG Heli, LINDGREN T, HE J, et al. Photoelectrochemistry of nanostructured WO3 thin film electrodes for water oxidation: mechanism of electron transport [J]. J Phys Chem: B, 2000, 104(24): 5686-5696.

BISWAS P K, PRAMANIK N C, MAHAPATRA M K, et al. Optical and electrochromic properties of sol-gel WO3 films on conducting glass [J]. Materials Letters, 2003, 57(28): 4429-4432.

LIVAGE J, GUZMAN G. Aqueous precursors for electrochromic tungsten oxide hydrates [J]. Solid State Tonics, 1996, 84(3/4): 205-211.

SU Jinzhan, LI Mingtao, ZHANG Ximin, et al. Structural and photoelectrochemical characterization of CdS thin film electrodes in photoelectrochemical water splitting system [J]. Journal of Wuhan University of Technology, 2006, 28(S2): 568-573.

NADAUD N, LEQUEUX N, NANOT M, et al. Structural studies of tin-doped indium oxide(ITO)and In4Sn3O12[J]. Journal of Solid State Chemistry, 1998, 135(1): 140-148.

KHAN S U M, AKIKUSA J. Photoelectrochemical splitting of water at nanocrystalline n-Fe2O3 thin-film electrodes [J]. J Phys Chem: B, 1999, 103(34): 7184-7189.

BIAGGIO S R, ROCHA FILHO R C, VILCHE J R, et al. A study of thin anodic WO3 films by electrochemical impedance spectroscopy [J]. Electrochim Acta, 1997, 42(11): 1751-1758.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Preparation of ZnIn2S4 Thin Film by Spray Pyrolysis and Its Photoelectrochemical Characteristic

Study on the Thermodynamic Properties in the Anomalous Region of Supercritical Water

Electrothermal Coupling Research on the Evolutionary Law of Anti-Corona Performance for High-Altitude Air-Cooled Generators

Numerical Simulation of the Energy Conversion Process in Thermoacoustic Engines with Different Stack Materials

Research on the Electrohydrodynamic Effects of Ionic Liquid-Modified Fuels

Related Author

周朝晖

Related Institution

No data

⁰

Characterization of Ultrasonic Spray Pyrolysis Deposited WO3 Thin Film for Photoelectrochemical Splitting of Water

DOI：

摘要

Abstract

关键词

Keywords

references

Characterization of Ultrasonic Spray Pyrolysis Deposited WO₃ Thin Film for Photoelectrochemical Splitting of Water