A Greener Electrodeposition Recipe for ZnO Films

被引:0
作者
Zhou, Bin [1 ]
Feng, Qing [2 ]
Tao, Meng [3 ]
机构
[1] Univ Texas Arlington, Dept Mat Sci & Engn, Arlington, TX 76019 USA
[2] Univ Texas Arlington, Dept Chem & Biochem, Arlington, TX 76019 USA
[3] Univ Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA
来源
PHOTOVOLTAICS FOR THE 21ST CENTURY 7 | 2011年 / 41卷 / 04期
关键词
ZINC-OXIDE FILMS; CATHODIC ELECTRODEPOSITION; THIN-FILMS; DEPOSITION;
D O I
10.1149/1.3628625
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Electrodeposition of ZnO films can be performed in an aqueous solution using a greener recipe, where the solution can be reused for multiple deposition runs. The solution in this greener recipe contains KCl to provide electrical conductivity to allow the deposition reactions. A Zn foil serves as the Zn source, which dissolves during the deposition. O-2 is bubbled into the solution as the oxygen source. This recipe eliminates concentration change in the solution as deposition proceeds, making the solution reusable. Multiple deposition runs for ZnO films in the same solution have been demonstrated. X-ray diffraction, optical transmittance and absorption spectra reveal that all the obtained ZnO films have similar structural and optical properties. They display high transmittance of similar to 80% and low absorbance of similar to 10%. Moreover, an initial Zn2+ concentration in the solution is required, not to serve as a Zn source but to facilitate the deposition.
引用
收藏
页码:191 / 198
页数:8
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