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材料工程  2016, Vol. 44 Issue (12): 22-27    DOI: 10.11868/j.issn.1001-4381.2016.12.004
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
负载型SrTiO3/HZSM-5光催化材料制备与性能研究
刘春玲1, 毕菲非1, 张文杰1, 何红波2
1. 沈阳理工大学 环境与化学工程学院, 沈阳 110159;
2. 中国科学院 沈阳应用生态研究所, 沈阳 110016
Preparation and Properties of Supported SrTiO3/HZSM-5 Photocatalyst
LIU Chun-ling1, BI Fei-fei1, ZHANG Wen-jie1, HE Hong-bo2
1. School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, China;
2. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
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摘要 采用溶胶-凝胶法制备HZSM-5负载SrTiO3,对其进行XRD,SEM,BET,BJH和FT-IR表征,研究SrTiO3/HZSM-5光催化降解活性艳红X-3B的活性。结果表明:SrTiO3材料的主要成分为钙钛矿结构SrTiO3,并含有少量SrCO3相。在负载型χSrTiO3/HZSM-5样品中,SrTiO3包覆在HZSM-5的外表面。负载型催化剂的比表面积主要由分子筛提供,材料中的孔径主要分布在2~20nm范围内。负载后SrTiO3的光催化活性明显提高,30% SrTiO3/HZSM-5具有最强的光催化活性。经90min光照后,93.8%的活性艳红X-3B在30% SrTiO3/HZSM-5上降解,而在纯SrTiO3上只能降解23.9%。
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刘春玲
毕菲非
张文杰
何红波
关键词 钛酸锶光催化HZSM-5溶胶-凝胶    
Abstract:HZSM-5 supported SrTiO3 was prepared using sol-gel method. The materials were characterized by XRD, SEM, BET, BJH and FT-IR measurements. The activity of photocatalytic degradation of reactive brilliant red X-3B was studied on SrTiO3/HZSM-5. The results show that SrTiO3 material is mainly composed of perovskite SrTiO3, as well as a small amount of SrCO3 phase. SrTiO3 is coated on the external surface of HZSM-5 in the χSrTiO3/HZSM-5. The specific surface area of the supported materials is mainly provided by the zeolite, while pore size in the materials is mainly in the range between 2-20nm. Photocatalytic activity of SrTiO3 is obviously enhanced after being supported, and the 30%SrTiO3/HZSM-5 has the maximum activity. 93.8% of reactive brilliant red X-3B can be degraded on 30%SrTiO3/HZSM-5 after 90 minites irradiation, while only 23.9% of the dye can be degraded on pure SrTiO3.
Key wordsstrontium titanate    photocatalysis    HZSM-5    sol-gel
收稿日期: 2014-12-23      出版日期: 2016-12-16
中图分类号:  O643  
通讯作者: 张文杰(1969-),男,教授,博士,研究方向是环境净化功能材料,联系地址:辽宁省沈阳市浑南新区沈阳理工大学环境与化学工程学院(110159),E-mail:wjzhang@aliyun.com     E-mail: wjzhang@aliyun.com
引用本文:   
刘春玲, 毕菲非, 张文杰, 何红波. 负载型SrTiO3/HZSM-5光催化材料制备与性能研究[J]. 材料工程, 2016, 44(12): 22-27.
LIU Chun-ling, BI Fei-fei, ZHANG Wen-jie, HE Hong-bo. Preparation and Properties of Supported SrTiO3/HZSM-5 Photocatalyst. Journal of Materials Engineering, 2016, 44(12): 22-27.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.12.004      或      http://jme.biam.ac.cn/CN/Y2016/V44/I12/22
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