Thermochemical process in preparation of ZnO film by TFA-MOD method
Thermochemical process in preparation of ZnO film by TFA-MOD method
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TFA-MOD法制备ZnO薄膜的热化学过程
DOI:
10.1016/j.apsusc.2006.09.044
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发表时间:
2007-02
影响因子:
6.7
通讯作者:
Zou, Youming
中科院分区:
文献类型:
--
作者:
Li, Yun;Chen, Zheng;Wang, Yuxia;Wang, Jianwen;Zhang, Hongjuan;Zou, Youming
The excess weight loss due to the evaporation of zinc compound is observed in the growth of ZnO film by trifluoroacetate metalorganic deposition (TFA-MOD) method. Higher temperature (>90°C) aging and/or addition of monoethanolamine (MEA) are effective to prevent the evaporation of zinc compound and increase the yield of ZnO. The mechanism of preventing evaporation is that zinc trifluoroacetate is hydrolyzed into Zn4O(CF3COO)6. A three-dimensional structure of Zn4O(CF3COO)6is proposed. It is shown that higher temperature aging does harm to the surface morphology of ZnO films. The addition of MEA reduces the required aging temperature thus improves the surface morphology.
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