原电池法室温制备Ba1-xCaxMoO4固溶体薄膜

高一骁; 蒋永乐; 毕剑; 赖欣; 高道江

doi:10.3788/fgxb20173802.0147

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原电池法室温制备Ba_1-xCa_xMoO₄固溶体薄膜

材料合成及性能 | 更新时间：2020-08-12

- 原电池法室温制备Ba_1-xCa_xMoO₄固溶体薄膜
- Room Temperature Preparation of Ba_1-xCa_xMoO₄ Solid Solution Thin Films by Galvanic Cell Method
- 发光学报 2017年38卷第2期页码：147-153
- 作者机构：
  
  1. 四川师范大学化学与材料科学学院, 四川成都 610068
  2. 成都石室中学北湖校区, 四川成都 610059
- 作者简介：
- 基金信息：
  
  国家自然科学基金（51551202）;四川省科技厅应用基础项目（2015JY0274）;四川省教育厅成果转化项目（11ZZ013）资助
- DOI：10.3788/fgxb20173802.0147
  中图分类号： O482.31;O614.23
- 纸质出版日期：2017-2-5，
  
  收稿日期：2016-8-23，
  
  修回日期：2016-10-7，
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高一骁, 蒋永乐, 毕剑等. 原电池法室温制备Ba1-xCaxMoO4固溶体薄膜[J]. 发光学报, 2017,38(2): 147-153

GAO Yi-xiao, JIANG Yong-le, BI Jian etc. Room Temperature Preparation of Ba1-xCaxMoO4 Solid Solution Thin Films by Galvanic Cell Method[J]. Chinese Journal of Luminescence, 2017,38(2): 147-153
高一骁, 蒋永乐, 毕剑等. 原电池法室温制备Ba1-xCaxMoO4固溶体薄膜[J]. 发光学报, 2017,38(2): 147-153 DOI： 10.3788/fgxb20173802.0147.

GAO Yi-xiao, JIANG Yong-le, BI Jian etc. Room Temperature Preparation of Ba1-xCaxMoO4 Solid Solution Thin Films by Galvanic Cell Method[J]. Chinese Journal of Luminescence, 2017,38(2): 147-153 DOI： 10.3788/fgxb20173802.0147.

摘要

在含Ca

和Ba

的碱性溶液中，通过原电池法在室温条件下制备了Ba

MoO

多晶固溶体薄膜。通过X射线衍射（XRD）、扫描电子显微镜（SEM）、X射线光电子能谱（XPS）和荧光分析（FA）对所制备的薄膜进行了分析表征，研究了Ba摩尔分数对薄膜的晶相结构、表面形貌和发光性能的影响。结果表明，原电池法制备的Ba

MoO

薄膜致密、均匀、结晶完好，为四方相结构。随着初始溶液中Ba含量的增加，所得Ba

-Ca

MoO

固溶体薄膜的形貌逐渐从CaMoO

微晶的球形转变为BaMoO

微晶的四方锥形。在290 nm紫外光的激发下，制备的薄膜均在350 nm和495 nm附近呈现两个宽的发射带，其中495 nm的蓝光发射明显强于350 nm的紫光发射。初始溶液中的Ba/Ca的量比对所制备的Ba

MoO

固溶体薄膜的发射光谱的形状和发射波长影响甚微，但对其发射强度有明显影响。

Abstract

MoO

polycrystalline solid solution films were prepared in the alkaline solution containing Ca and Ba ions

via

galvanic cell method at room temperature. The as-prepared films were characterized through X-ray diffraction (XRD)

scanning electron microscopy (SEM)

X-ray photoelectronic spectroscopy (XPS) and fluorescence analysis (FA)

respectively. The influences of Ba mole fraction on the crystal structure

morphology and luminescence property were investigated. The experiment results show that the prepared Ba

MoO

films are uniform

dense and well-crystallized

having a tetragonal structure. The surface morphology of the obtained Ba

MoO

solid solution films gradually transform from that of CaMoO

to that of BaMoO

with the increase of Ba content in the initial solution. Excited by 290 nm ultraviolet ray at room temperature

all the as-prepared Ba

MoO

films show two broad emission bands centered at 350 nm and 495 nm

respectively

and the emission intensity of the band located 495 nm is obvious greater than that of the band located at 350 nm. The molar ratio of Ba/Ca has little influence on the shape and wavelength for the emission bands of the obtained Ba

MoO

films

whereas it has markedly influence on their emission intensity.

关键词

Ba1-xCaxMoO4薄膜原电池法制备发光性能

Keywords

Ba1-xCaxMoO4 filmsgalvanic cell methodpreparationluminescence properties

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