首页|ZnSnO3/g-C3N4催化剂的制备及其光催化降解性能的研究

ZnSnO3/g-C3N4催化剂的制备及其光催化降解性能的研究

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当前,水污染已经严重影响到人类生存和社会发展.为了解决这个问题,人们利用光催化剂来处理水中污染物.本文选用水热法,以石墨相氮化碳(g-C3N4)作为载体,掺杂少量偏锡酸锌制备新型光催化剂来降低水中污染物含量,并研究了该催化剂的最佳制备条件.通过研究该催化剂对罗丹明B的降解效果发现,当掺杂量达到 10%,反应温度控制在 150℃,反应时间为 4 h时制备的ZnSnO3/g-C3N4 催化剂的光催化性能最佳.在 10 mg/L罗丹明B溶液中加入 80 mg该催化剂,当光催化反应时间为 100 min时,罗丹明B降解率达到 83.61%.利用扫描电镜(SEM)、透射电镜(TEM)、X射线衍射(XRD)、空隙及比表面积测试仪(BET)等对ZnSnO3/g-C3N4 催化剂进行检测,了解其形貌特征.
Preparation of ZnSnO3/g-C3N4 Catalyst and its Photocatalytic Degradation Performance
Human survival and social development have been seriously affected by water pollution.In order to solve this problem,photocatalysts are used to treat pollutants in water.A hydrothermal method was chosen to prepare a new photocatalyst used graphite-phase carbon nitride(g-C3N4)as a carrier,doped with a small amount of ZnSnO3 to reduce the contaminant content in water,and the optimum conditions for the preparation of this catalyst were investigated.The photocatalytic activity of ZnSnO3/g-C3N4 catalyst was found to be the best when the amount of doping was 10%,the reaction temperature was controlled at 150℃ and the reaction time was 4 hours.When 80 mg of the catalyst was added to 10 mg/L rhodamine B solution,the degradation rate of rhodamine B reached 83.61%when the photocatalytic reaction time was 100 min.The morphological and composition characteristics of ZnSnO3/g-C3N4catalyst were detected by scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-ray diffraction(XRD)and BET.

ZnSnO3/g-C3N4water treatmentphotocatalysisdegradation

赵悠然、陈荣柱、熊壮、张苗苗、项丰达、杨尚武、曹英寒

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南阳理工学院生物与化学工程学院,河南南阳,473000

ZnSnO3/g-C3N4 水处理 光催化 降解

南阳理工学院2023年度大学生科研基金项目

2024

江西化工
江西化学化工学会 江西省化学工业研究所

江西化工

影响因子:0.272
ISSN:1008-3103
年,卷(期):2024.40(4)
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