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Photocatalytic Degradation of Wastewater by Molecularly Imprinted Ag2S-TiO2 with High-selectively.
Scientific Reports ( IF 3.8 ) Pub Date : 2020-01-27 , DOI: 10.1038/s41598-020-57925-8 Xian Liu 1 , Lei Zhu 1 , Xun Wang 1 , Xide Meng 1
Scientific Reports ( IF 3.8 ) Pub Date : 2020-01-27 , DOI: 10.1038/s41598-020-57925-8 Xian Liu 1 , Lei Zhu 1 , Xun Wang 1 , Xide Meng 1
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The molecular imprinting technique is a new method for preparing molecularly imprinted polymers (MIPs) with specific molecular recognition sites for individual target molecules. In this study, Ag2S-MIP-TiO2 nanocomposite was synthesized by a sol-gel-deposition method with ethyl p-hydroxybenzoate as an imprinting molecule. The obtained powder was characterized by XRD and other analytical methods. The results show that the obtained Ag2S-MIP-TiO2 nanocomposite demonstrates better catalytic performance than pure anatase TiO2. The degradation efficiency of ethyl p-hydroxybenzoate during 1.5 h of the photocatalytic reaction is 92.22%, which is 42% higher than pure TiO2. The selectivity factor for the treatment of ethyl p-hydroxybenzoate compared to phenol using Ag2S-MIP-TiO2 reached 3.571, which is 72% higher than pure TiO2.
中文翻译：
分子印迹Ag2S-TiO2的高选择性光催化降解废水。
分子印迹技术是一种制备分子印迹聚合物（MIP）的新方法，该聚合物具有针对单个目标分子的特定分子识别位点。本研究以对羟基苯甲酸乙酯为印迹分子，通过溶胶-凝胶沉积法合成了Ag2S-MIP-TiO2纳米复合材料。所得粉末通过XRD和其他分析方法进行表征。结果表明，所获得的Ag2S-MIP-TiO2纳米复合材料具有比纯锐钛矿型TiO2更好的催化性能。对羟基苯甲酸乙酯在光催化反应1.5小时内的降解效率为92.22％，比纯TiO2高42％。使用Ag2S-MIP-TiO2处理对羟基苯甲酸乙酯与苯酚相比，选择性系数达到3.571，比纯TiO2高72％。
更新日期：2020-01-27
中文翻译：
分子印迹Ag2S-TiO2的高选择性光催化降解废水。
分子印迹技术是一种制备分子印迹聚合物（MIP）的新方法，该聚合物具有针对单个目标分子的特定分子识别位点。本研究以对羟基苯甲酸乙酯为印迹分子，通过溶胶-凝胶沉积法合成了Ag2S-MIP-TiO2纳米复合材料。所得粉末通过XRD和其他分析方法进行表征。结果表明，所获得的Ag2S-MIP-TiO2纳米复合材料具有比纯锐钛矿型TiO2更好的催化性能。对羟基苯甲酸乙酯在光催化反应1.5小时内的降解效率为92.22％，比纯TiO2高42％。使用Ag2S-MIP-TiO2处理对羟基苯甲酸乙酯与苯酚相比，选择性系数达到3.571，比纯TiO2高72％。
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