Sulfur promoted n-π^(*)electron transitions in thiophene-doped g-C_(3)N_(4)for enhanced photocatalytic activity

作     者：Feiyue Ge Shuquan Huang Jia Yan Liquan Jing Feng Chen Meng Xie Yuanguo Xu Hui Xu Huaming Li 葛飞跃;黄树全;颜佳;景立权;陈烽;谢萌;徐远国;许晖;李华明

作者机构：School of Chemistry and Chemical EngineeringJiangsu UniversityZhenjiang 212013JiangsuChina Institute for Energy ResearchJiangsu UniversityZhenjiang 212013JiangsuChina School of PharmacyJiangsu UniversityZhenjiang 212013JiangsuChina 

基　　金：国家自然科学基金(21777063) 中国博士后科学基金(2017M621654) 江苏省自然科学基金(BK20180887) 

出 版 物：《Chinese Journal of Catalysis》 (催化学报（英文）)

年 卷 期：2021年第42卷第3期

页      码：450-459页

摘      要：Expanding the optical absorption range of photocatalysts is still a key endeavor in graphitic carbon nitride(g-C_(3)N_(4))***,we report on a novel thiophene group extending the optical property,which is assigned to n-π^(*)electronic transitions involving the two lone pairs on sulfur(TLPS).The as-prepared samples,denoted as CN-ThAx(where x indicates the amount of ThA added,mg),showed an additional absorption above 500 nm as compared to pristine g-C_(3)N_(4).Further,the thiophene group enhanced charge carrier separation to suppress e‒/h+pair *** experimental results suggest that the thiophene group can obstruct the polymerization of melem to generate a large plane,thus exposing the lone electron pairs on the *** photocatalytic activity was evaluated in the decomposition of bisphenol A and H2 *** with g-C_(3)N_(4),the optimized CN-ThA_(30) sample led to a 6.6-and 2-fold enhancement of the degradation and H2 generation rates,*** CN-ThA_(30) sample allowed for synchronous H2 production and BPA decomposition.

主 题 词：Thiophene g-C_(3)N_(4) Lone pairs on sulfur n-π^(*)Transition Visible light photocatalysis 

学科分类：081704[081704] 081705[081705] 07[理学] 070304[070304] 08[工学] 0817[工学-轻工类] 0703[理学-化学类] 

核心收录：

D　O　I：10.1016/S1872-2067(20)63674-9

馆 藏 号：203955016...