Sulfur-doped CoFe2O4 nanopowders for enhanced visible-light photocatalytic activity and magnetic properties
Sulfur-doped CoFe2O4 nanopowders for enhanced visible-light photocatalytic activity and magnetic properties
复制标题
硫掺杂 CoFe2O4 纳米粉末可增强可见光光催化活性和磁性能
DOI：
10.1039/c7ra10016g
复制
发表时间：
2017-10
期刊：
影响因子：
3.9
通讯作者：
Qiang Zhen
中科院分区：
文献类型：
--
作者：
Rong Li;Chencen Sun;Jia Liu;Qiang Zhen
以磁性可回收硫掺杂CoFe2O4纳米粉末为光催化剂，在可见光下降解土霉素(OTC)。采用X射线衍射仪、透射电子显微镜、扫描电子显微镜、傅立叶变换红外光谱、紫外-可见光谱和X射线光电子能谱等手段对简单焙烧法制备的S掺杂CoFe2O4纳米粉末进行了表征。结果表明，在CoFe2O4晶体结构中引入S元素，使其禁带宽度变窄，可见光吸收增加。0.3 S-CoFe2O4具有最高的磁性和光催化活性。光照5h后，pH=8.5时，土霉素的最大光催化转化率达到90.4%。在光催化过程中，检测到了7种中间产物，并在此基础上提出了OTC的详细降解途径。
Magnetically recoverable sulfur-doped CoFe2O4 nanopowders were used as photocatalyst for degradation of oxytetracycline (OTC) under visible light in aqueous solution. S doped CoFe2O4 nanopowders synthesized by a simple calcining process were characterized by XRD, TEM, VSM, FT-IR, UV-vis DRS and XPS. The results showed that introducing of S element in CoFe2O4 crystal structure narrowed its band gap and increased visible light absorption. 0.3 S-CoFe2O4 exhibited the highest magnetic property and photocatalytic activity. The maximum photocatalytic conversion ratio of OTC reached 90.4% at pH = 8.5 after 5 h irradiation. During photocatalytic process, seven intermediate products were detected, and based on that a detailed degradation path way of OTC was proposed.
登录
查看更多内容
影响因子：
5.2
作者：
Prabhakaran, T.;Mangalaraja, R. V.;Jimenez, J. A.
通讯作者：
Jimenez, J. A.
影响因子：
3.7
作者：
Keitaro Tezuka;M. Kogure;Y. Shan
通讯作者：
Keitaro Tezuka;M. Kogure;Y. Shan
影响因子：
3
作者：
Dafeng Zhang;Xipeng Pu;Yanyan Gao;Changhua Su;Hong Li;Huaiyong Li;Wenxian Hang
通讯作者：
Dafeng Zhang;Xipeng Pu;Yanyan Gao;Changhua Su;Hong Li;Huaiyong Li;Wenxian Hang
影响因子：
11.4
作者：
E. Jiménez-Relinque;M. Castellote
通讯作者：
E. Jiménez-Relinque;M. Castellote
影响因子：
3.9
作者：
M. Saha;S. Mukherjee;Sanjay Kumar;S. Dey;A. Gayen
通讯作者：
M. Saha;S. Mukherjee;Sanjay Kumar;S. Dey;A. Gayen