Yb2O3/g-C3N4复合光催化剂的制备及光催化性能研究  

Preparation and Photocatalytic Properties of Yb2O3/g-C3N4 Composite Photocatalysts

作　　者：王彦卫 朱正如[1] 姜俊超[1] WANG Yanwei;ZHU Zhengru;JIANG Junchao(College of Urban and Environmental Science,Liaoning Normal University,Dalian Liaoning 116029)

机构地区：[1]辽宁师范大学城市与环境学院

出　　处：《首都师范大学学报（自然科学版）》2019年第6期59-65,共7页Journal of Capital Normal University：Natural Science Edition

摘　　要：为了验证可见光下Yb2O3/g-C3N4光催化剂分别降解水体中的苯酚和盐酸四环素(TTCH)的光催化效果.本研究采用热解和超声混合方法制备Yb2O3/g-C3N4光催化剂,并用多种仪器进行性能表征.Yb2O3/g-C3N4在可见光下对20 mg/L苯酚和TTCH的降解率分别为80.83%和85.01%;Yb2O3/g-C3N4复合光催化剂的光催化性能明显提高,其降解苯酚的速率是g-C3N4的3.80倍,降解TTCH的速率g-C3N4的6.57倍.结果表明,Yb2O3/g-C3N4具有更加高效的可见光响应能力,且具备更好的光催化性能.In order to verify the photocatalytic activities of Yb2O3/g-C3N4 photocatalysts on degradation of phenol and tetracycline hydrochloride(TTCH)in water under visible light.In this study,Yb2O3/g-C3N4 photocatalyst was prepared by pyrolysis and ultrasound method,and its performances were characterized by varieties of instruments.In visible light,the degradation rate of Yb2O3/g-C3N4 for 20 mg/L phenol and TTCH were 80.83%and 85.01%respectively.The photocatalytic performance of Yb2O3/g-C3N4 composite photocatalyst was significantly improved.Compared with g-C3N4,the degradation rate of photocatalyst was 3.80 times for phenol,and 6.57 times for TTCH reduction.The results showed that Yb2O3/g-C3N4 had more efficient visible light response and it had better photocatalytic performance.

关 键 词：YB2O3 g-C3N4 光催化 苯酚 盐酸四环素 

分 类 号：O643.3[理学—物理化学]