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Abstract:
采用溶胶凝胶-水热反应法,以金属银元素和非金属氮元素掺杂改性二氧化钛,制备出银氮共掺杂二氧化钛光催化剂,利用XRD、SEM、TEM和IR等测试技术对Ag-N-TiO_2的晶型结构、形貌结构、元素组成等进行表征。结果表明,采用溶胶凝胶-水热反应法所制备的Ag-N-TiO_2具有晶型好、结晶度高、粒径小(11.32 nm)、分布均匀等优点。以大肠埃希氏菌为目标细菌,考察Ag-N-TiO_2可见光光催化和避光条件下抗菌性能。结果表明,Ag-N-TiO_2在可见光和避光条件下都具有良好的抗菌效果,对大肠埃希氏菌的抑菌圈直径分别达到了15.2 mm和14.7 mm,SEM形态表征显示,添加催化剂的细菌细...
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环境工程学报
ISSN: 1673-9108
CN: 11-5591/X
Year: 2016
Issue: 07
Volume: 10
Page: 3415-3420
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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