材料导报 2021, Vol. 35 Issue (Z1): 48-50
无机非金属及其复合材料
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片状焦钒酸锌的制备及光催化性能
张辉霞, 贾相华, 左桂鸿, 孙芳
牡丹江师范学院物理与电子工程学院,牡丹江 157011
Preparation and Photocatalytic Properties of Flaky Zn3 (OH)2 V2 O7 ·2H2 O
ZHANG Huixia, JIA Xianghua, ZUO Guihong, SUN Fang
School of Physics and Electronic Engineering, Mudanjiang Normal University, Mudanjiang 157011, China
摘要 以六水合硝酸锌和偏钒酸铵为无机源,十六烷基三甲基溴化铵为表面活性剂,采用水热法合成纳米焦钒酸锌。考察了表面活性剂的浓度对纳米焦钒酸锌结构和性能的影响,通过XRD、SEM等对合成产物进行表征,以亚甲基蓝为目标降解物进行光催化实验,并对光催化机理进行了自由基捕获测试。其中制备的片状结构Zn3 (OH)2 V2 O7 ·2H2 O具有最佳的光催化性能,在光照射140 min后对MB的降解率达到98%左右。
关键词:
焦钒酸锌
光催化
带隙
自由基捕获
Abstract: Zn3 (OH)2 V2 O7 ·2H2 O was synthesized by hydrothermal method using hexahydrate zinc nitrate and ammonium metavanadate as inorganic source and cetyltrimethyl ammonium bromide as surfactant. The effects of the concentration of surfactant on the structure and properties of Zn3 (OH)2 V2 O7 ·2H2 O pyrovanadate were investigated. The products were characterized by XRD and SEM, and the photocatalytic activity of methylene blue was investigated. The flaky Zn3 (OH)2 V2 O7 ·2H2 O has the best photocatalytic activity, and the degradation rate of MB is about 98% after 140 min irradiation.
Key words:
Zn3 (OH)2 V2 O7 ·2H2 O
photocatalysis
band gap
free radical trapping
发布日期: 2021-07-16
基金资助: 牡丹江师范学院项目(QN201605)
通讯作者:
huixiazhang6@163.com
作者简介: 张辉霞,女,硕士,牡丹江师范学院讲师。研究方向为纳米材料的制备与性能。
引用本文:
张辉霞, 贾相华, 左桂鸿, 孙芳. 片状焦钒酸锌的制备及光催化性能[J]. 材料导报, 2021, 35(Z1): 48-50.
ZHANG Huixia, JIA Xianghua, ZUO Guihong, SUN Fang. Preparation and Photocatalytic Properties of Flaky Zn3 (OH)2 V2 O7 ·2H2 O. Materials Reports, 2021, 35(Z1): 48-50.
链接本文:
http://www.mater-rep.com/CN/
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http://www.mater-rep.com/CN/Y2021/V35/IZ1/48
1 戈磊,崔立山.硅酸盐学报, 2008, 36 (3),320. 2 Ge L.Materials Chemistry and Physics , 2008, 107,465. 3 戈磊.无机材料学报, 2008, 23 (3),449. 4 刘晔,戴长红,马峻峰,等.硅酸盐通报,2009,28(6),1220. 5 Qian H, Yu S, Gong J, et al. Cryctal Growth Design ,2005, 5, 935. 6 王萌.焦钒酸锌的制备及其光催化性能的研究.硕士学位论文,大连海事大学,2015. 7 任明松.3D花状Zn3 (OH)2 V2 O7 ·2H2 O微球的控制合成、改性及光催化性质.硕士学位论文,安徽大学,2014. 8 Chen C C, Wang Q, Lei P X, et al. Environmental Science & Technology , 2006, 40(12), 3965.
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