摘要
通过高温煅烧法成功合成了g-C_(3)N_(4)/BCN复合材料.采用X射线衍射(XRD)和透射电子显微镜(TEM)对材料进行了结构和形貌分析,在可见光下利用甲基橙(MO)的降解效率研究了g-C_(3)N_(4)/BCN复合材料的光催化活性.g-C_(3)N_(4)/BCN异质结在30 min内可降解约99%的甲基橙,表明g-C_(3)N_(4)/BCN具有较高的光催化活性.对复合材料进行了循环性能测试,g-C_(3)N_(4)/BCN具有良好化学稳定性,多次循环后仍具有较高的光催化活性,在光催化等领域具有潜在的应用前景.
Graphitized carbon nitride(g-C_(3)N_(4))/boron carbon nitride(BCN)composite materials were synthesized by high temperature calcination.The structure and morphology of the samples were analyzed by X-ray diffraction(XRD)and transmission electron microscopy(TEM).The photocatalytic activity of g-C_(3)N_(4)/BCN was evaluated by using the degradation efficiency of methyl orange(MO)under visible light.The g-C_(3)N_(4)/BCN heterojunction can degrade about 99%of methyl orange within 30 minutes.It has excellent photocatalytic performance under visible light irradiation.The cyclic properties of the composite materials were tested.The prepared g-C_(3)N_(4)/BCN heterostructure has good stability.It still has high photocatalytic activity after multiple cycles.In particular,g-C_(3)N_(4)/BCN heterojunction shows high stability and repeatability,which has potential application prospects in the field of photocatalysis.
作者
王前
沈慧娟
田野
李雪飞
WANG Qian;SHEN Hui-juan;TIAN Ye;LI Xue-fei(Editorial Department of Journal,Tonghua Normal University,Tonghua 134000,China;College of Physics,Jilin Normal University,Siping 136000,China)
出处
《东北师大学报（自然科学版）》
CAS
北大核心
2023年第4期90-95,共6页
Journal of Northeast Normal University(Natural Science Edition)
基金
吉林省科技发展计划项目(YDZJ202201ZYTS629).
关键词
光催化
异质结
催化活性
石墨相氮化碳
photocatalysis
heterojunction
catalytic activity
graphite carbon nitride
