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Preparation and Photocatalytic Performance of Dumbbell Ag2CO3-ZnO Heterojunctions.
ACS Omega ( IF 3.7 ) Pub Date : 2019-12-23 , DOI: 10.1021/acsomega.9b03131 Jiaxin Li 1, 2 , Renquan Guan 1, 2 , Junkai Zhang 1 , Zhao Zhao 1 , Hongju Zhai 1, 2 , Dewu Sun 1, 2 , Yunfeng Qi 2
ACS Omega ( IF 3.7 ) Pub Date : 2019-12-23 , DOI: 10.1021/acsomega.9b03131 Jiaxin Li 1, 2 , Renquan Guan 1, 2 , Junkai Zhang 1 , Zhao Zhao 1 , Hongju Zhai 1, 2 , Dewu Sun 1, 2 , Yunfeng Qi 2
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Dumbbell Ag2CO3-ZnO heterojunctions were synthesized for the first time via a simple in situ precipitation method. The as-prepared Ag2CO3-ZnO heterojunction showed high photocatalytic activity in the decomposition of methyl orange aqueous solution under simulated solar irradiation. The high improvement of photocatalytic activity compared to that of pure ZnO can be attributed to the formation of the Ag2CO3-ZnO heterojunction. Furthermore, the mechanism of photocatalytic activity was investigated in detail. The free radical trapping experiments indicated that the superoxide radical (·O2 -) was an important active species in the photocatalytic process. This paper provides a new prospect for the preparation of photocatalysts with high catalytic performance in the degradation of dye wastewater.
中文翻译：
哑铃型Ag2CO3-ZnO异质结的制备及光催化性能。
通过简单的原位沉淀方法首次合成了哑铃型Ag2CO3-ZnO异质结。制备的Ag2CO3-ZnO异质结在模拟太阳光照射下在甲基橙水溶液的分解中显示出高的光催化活性。与纯ZnO相比，光催化活性的高度提高可归因于Ag2CO3-ZnO异质结的形成。此外，详细研究了光催化活性的机理。自由基捕获实验表明，超氧自由基（·O2-）是光催化过程中重要的活性物种。本文为制备具有高催化降解染料废水性能的光催化剂提供了新的前景。
更新日期：2020-01-14
中文翻译：
哑铃型Ag2CO3-ZnO异质结的制备及光催化性能。
通过简单的原位沉淀方法首次合成了哑铃型Ag2CO3-ZnO异质结。制备的Ag2CO3-ZnO异质结在模拟太阳光照射下在甲基橙水溶液的分解中显示出高的光催化活性。与纯ZnO相比，光催化活性的高度提高可归因于Ag2CO3-ZnO异质结的形成。此外，详细研究了光催化活性的机理。自由基捕获实验表明，超氧自由基（·O2-）是光催化过程中重要的活性物种。本文为制备具有高催化降解染料废水性能的光催化剂提供了新的前景。
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