材料科学
异质结
罗丹明B
光电流
光催化
光降解
降级(电信)
纳米晶
复合数
化学工程
光电子学
纳米技术
催化作用
复合材料
电子工程
有机化学
工程类
化学
作者
Lijiao Ma,Hui‐Qin Wu,Bi‐Yu Chen,Gang Wang,Bing‐Xin Lei,Ding Zhang,Dai‐Bin Kuang
标识
DOI:10.1002/admi.202102522
摘要
Abstract 0D‐2D p–n type CsPbBr 3 /BiOCl heterojunction photocatalyst is successfully fabricated via the electrostatic self‐assembly process. On the basis of the photoluminescence and photocurrent density results, the CsPbBr 3 /BiOCl composite exhibits a higher charge separation rate than pure BiOCl and CsPbBr 3 . The degradation of Rhodamine B (RhB) result shows that the CsPbBr 3 /BiOCl composite obtains the highest degradation rate of close to 100% within 60 min, which is significantly higher than those of pure CsPbBr 3 (84.21%) and BiOCl (73.57%) because the p–n type heterojunction photocatalyst can promote the separation of photogenerated charge carriers. The free radical capture experiment demonstrates that •O 2 − plays a major role in the photodegradation of RhB. This study may provide insights into designing advanced photocatalysts for the clean‐ups of environmental pollutants.
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