Preparation and Properties of Cu-doped SnO2/TiO2 Film

WANG Guo-dong; WEI Chang-ping; HE Rui-ying; SAN Jing; PENG Chun-jia

doi:10.3788/fgxb20153609.0996

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Preparation and Properties of Cu-doped SnO₂/TiO₂ Film

更新时间：2020-08-12

- Preparation and Properties of Cu-doped SnO₂/TiO₂ Film
- Chinese Journal of Luminescence Vol. 36, Issue 9, Pages: 996-1000(2015)
- 作者机构：
  
  长春理工大学化学与环境工程学院, 吉林长春 130022
- 作者简介：
- 基金信息：
  
  T Development Plan Project of China (20160414043GH)
- DOI：10.3788/fgxb20153609.0996
  CLC： O614.43+2
- Received：09 May 2015，
  
  Revised：01 July 2015，
  
  Published：03 September 2015
- 稿件说明：
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王国栋, 魏长平, 何瑞英等. Cu掺杂SnO2/TiO2复合薄膜的制备及性能研究[J]. 发光学报, 2015,36(9): 996-1000

WANG Guo-dong, WEI Chang-ping, HE Rui-ying etc. Preparation and Properties of Cu-doped SnO2/TiO2 Film[J]. Chinese Journal of Luminescence, 2015,36(9): 996-1000
王国栋, 魏长平, 何瑞英等. Cu掺杂SnO2/TiO2复合薄膜的制备及性能研究[J]. 发光学报, 2015,36(9): 996-1000 DOI： 10.3788/fgxb20153609.0996.

WANG Guo-dong, WEI Chang-ping, HE Rui-ying etc. Preparation and Properties of Cu-doped SnO2/TiO2 Film[J]. Chinese Journal of Luminescence, 2015,36(9): 996-1000 DOI： 10.3788/fgxb20153609.0996.

摘要

制备Cu掺杂的纳米SnO

/TiO

溶胶

采用旋涂法在载玻片上镀膜

经干燥、煅烧制得Cu掺杂的SnO

/TiO

薄膜

通过对比实验探讨掺杂比例、条件、复合形式等对结构和性能的影响。采用XRD、SEM、EDS、UV-Vis等测试手段对样品进行表征

并以甲基橙为探针考察了其光催化降解性能。XRD测试结果显示薄膜的晶型为锐钛矿型

结晶度较高。SEM谱图显示薄膜表面无明显开裂

粒子分布均匀

粒径约为20nm。EDS测试结果表明薄膜材料中含有Cu元素

谱形一致。UV-Vis吸收光谱表明Cu掺杂以及SnO

/TiO

的复合使得在近紫外区的光吸收比纯TiO

明显增强。光催化实验表明Cu掺杂后使得SnO

/TiO

复合薄膜对甲基橙的光催化降解效率进一步提高

SnO

/TiO

复合薄膜的光催化活性在10%Cu掺杂时达到最高。

Abstract

AgInS

Cu-doped nano-SnO

TiO

gelatins were prepared and coated onto glass substrates by spin coating method

followed by drying at low temperature and calcined at high temperature. The films were characterized by XRD

SEM

EDS

and UV-Vis. The photocatalysis degradation efficiency was studied by using methyl orange as probe. XRD patterns show that the films are anatase structure. SEM images show that the surfaces of the films are flat without obvious crack

and the average diameter is about 20 nm. EDS results indicate that Cu has been introduced to SnO

TiO

films. UV-Vis absorption spectra show that the absorbance of Cu-doped SnO

/TiO

films at visible region increase comparing to pure TiO

film. The degradation experiment under UV light shows that the photocatalysis degradation efficiency of Cu-doped SnO

/TiO

film is higher than that of pure TiO

film. The photocatalysis degradation efficiency is the biggest when the doping mole fraction of Cu is 10%.

关键词

Keywords

references

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