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锌铈共掺杂二氧化钛纳米材料制备与表征及其抗菌性能的研究
  • ISSN号：1000-324X
  • 期刊名称：《无机材料学报》
  • 时间：0
  • 分类：TB321[一般工业技术—材料科学与工程]
  • 作者机构：[1]东北大学冶金资源与生态环境研究所,沈阳110819, [2]辽宁省冶金资源循环科学重点实验室,沈阳110819, [3]辽宁省硼资源综合利用工程技术研究中心,沈阳110819, [4]硼资源生态化利用技术与硼材料辽宁省高校重点实验室,沈阳110819
  • 相关基金：National Natural Science Foundation of China （51090384）
作者： 王昱征[1,2,3,4], 薛向欣[1,2,3,4], 杨合[1,2,3,4]
关键词： 锌, 铈共掺杂, 二氧化钛, 抗菌活性, 可见光, zinc and cerium co-doping, titania, antibacterial activity, visible light
中文摘要：

采用溶胶-凝胶法，在不同的焙烧温度下合成锌，铈共掺杂二氧化钛纳米材料。用X射线衍射（XRD）、透射电子显微镜（TEM）、X射线光电子能谱（XPS）和紫外一可见漫反射光谱（DRS）对样品进行了表征。采用抑菌环法，以大肠杆菌为实验菌种，对Zn／Ce-TiO2纳米材料抗菌性能进行检测。结果表明：样品的结晶度和晶相完全取决于焙烧温度的高低；部分锌进A-氧化钛晶格中，其余掺杂离子以CeO2和zn2Ti3O8形式存在；与暗态下相比，在可见光激发下，Zn／Ce—TiO2纳米材料具有超强的抗菌性。对锌／铈共掺杂作用机制进行了深入探讨。

英文摘要：

Zinc and cerium co-doped titania （Zn/Ce-TiO2） nano-materials were synthesized by a Sol-Gel method at different calcination temperatures. Zn/Ce-TiO2 nano-materials were characterized by X-ray diffraction （XRD）, transmission electron microscope （TEM）, X-ray photoelectron spectroscope （XPS） and UV-Vis diffuse reflectance spectra （DRS）. With the test of bacterial inhibition zone, the antibacterial properties of Zn/Ce-TiO2 nano-materials on E. coli. were investigated. The results show that crystallinity and the crystal phase of nano-materials are closely dependent on the calcination temperature. Zinc ions and cerium ions exist in the form of Zn2Ti308 and CeO2 phase, respectively. The Zn/Ce-TiO2 nano-materials synthesized exhibit enhanced antibacterial activity under visible light irradiation compared with it in the dark. Ultimately, the action mechanism of Zn/Ce co-doping is discussed.

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期刊信息
  • 《无机材料学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院上海硅酸盐所
  • 主编：郭景坤
  • 地址：上海市定西路1295号
  • 邮编：200050
  • 邮箱：wjclxb@mail.sic.ac.cn
  • 电话：021-52411302
  • 国际标准刊号：ISSN：1000-324X
  • 国内统一刊号：ISSN：31-1363/TQ
  • 邮发代号:4-504
  • 获奖情况:
  • 获"中国百种杰出学术期刊"称号
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引（扩展库）,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,瑞典开放获取期刊指南,中国北大核心期刊（2000版）
  • 被引量:21274