Silver-melamine nanowire-assisted synthesis of net-like AgCl-Ag/g-C3N4 for highly efficient photocatalytic degradation ability
Silver-melamine nanowire-assisted synthesis of net-like AgCl-Ag/g-C3N4 for highly efficient photocatalytic degradation ability
复制标题
银-三聚氰胺纳米线辅助合成网状AgCl-Ag/g-C3N4，具有高效光催化降解能力
DOI：
10.1016/j.jallcom.2019.07.236
复制
发表时间：
2019-10
影响因子：
6.2
通讯作者：
Yu Huogen
中科院分区：
文献类型：
--
作者：
Yu Chengde;Wang Ping;Wang Xuefei;Chen Feng;Yu Huogen
具有不同形貌和尺寸的纳米结构材料具有新颖的物理和化学性质。本文采用超分子组装法制备银-三聚氰胺纳米线，高温煅烧制备Ag/g-C3 N4，再将金属Ag原位氧化为AgCl制备AgCl-Ag/g-C3 N4，三步合成法制备了具有强耦合界面的网状AgCl-Ag/g-C3 N4复合光催化剂。AgCl-Ag/g-C3 N4复合材料的网状结构可以归因于三聚氰胺分子与Ag原子键合形成的Ag-三聚氰胺纳米线的交联。光催化降解橙子（MO）的实验结果表明，AgCl-Ag/g-C3 N4样品的光催化降解性能均有所提高。AgCl-Ag/g-C3 N4的最高降解率分别是g-C3 N4和Ag/g-C3 N4的上级126.0倍和5.4倍。AgCl-Ag/g-C3 N4复合材料的光催化活性的提高主要归因于AgCl-Ag/g-C3 N4复合材料的网状结构，其三相（AgCl，Ag和g-C3 N4）之间具有强耦合界面，使得光生电子-空穴对能够快速转移。该研究为制备具有强耦合界面的高性能复合光催化剂提供了新的途径。
Nanostructured materials with different morphology and size possess novel physical and chemical properties. In this paper, a net-like AgCl-Ag/g-C3N4composite photocatalyst with a strong-coupling interface was prepared via a three-step synthetic method, including the supramolecular assembly to generate silver-melamine nanowires, following high-temperature calcination to form Ag/g-C3N4and furtherin-situreoxidation of metallic Ag into AgCl to produce AgCl-Ag/g-C3N4. The net-like structure of the AgCl-Ag/g-C3N4composite can be attributed to the crosslinking of Ag-melamine nanowires from melamine molecules bonded to Ag atoms. The photocatalytic degradation activity of methyl orange (MO) showed that all the resultant AgCl-Ag/g-C3N4samples displayed an enhanced degradation performance. The highest degradation rate of AgCl-Ag/g-C3N4was superior to those of g-C3N4and Ag/g-C3N4by factors of 126.0 and 5.4 times, respectively. The improved photocatalytic activity of AgCl-Ag/g-C3N4can be mainly attributed to the net-like structure of AgCl-Ag/g-C3N4composite with a strong-coupling interface among the three phases (AgCl, Ag and g-C3N4), which allows a rapid transfer of the photogenerated electron-hole pairs. This study provides a new approach in the preparation of high-performance composite photocatalysts with a strong-coupling interface.
登录
查看更多内容
无定形硫化钼作为高效电子助催化剂增强光催化 H-2 析出
DOI：
10.1016/j.apcatb.2016.04.028
发表时间：
2016
期刊：
Applied Catalysis B: Environmental
影响因子：
--
作者：
Yu Huogen;Xiao Pian;Wang Ping;Yu Jiaguo
通讯作者：
Yu Jiaguo
Ag/AgCl 纳米粒子组装在 BiOCl/Bi12O17Cl2 纳米片上：增强等离子体可见光光催化和原位漂移研究
影响因子：
6.7
作者：
Wendong Zhang;Xing'an Dong;Yi Liang;Yanjuan Sun;Fan Dong
通讯作者：
Fan Dong
增强银基光催化剂的光催化活性和光诱导稳定性：非晶态 Ti(IV) 和 Fe(III) 助催化剂的协同作用
DOI：
10.1016/j.apcatb.2016.01.011
发表时间：
2016
期刊：
Applied Catalysis B: Environmental
影响因子：
--
作者：
Yu Huogen;Chen Wuying;Wang Xuefei;Xu Ying;Yu Jiaguo
通讯作者：
Yu Jiaguo
AgCl/Ag/g-C3N4杂化复合材料的制备、可见光驱动光催化活性及机理
影响因子：
26.6
作者：
Bao Y;Chen K
通讯作者：
Chen K
通过负载碱式碳酸锌轻松合成 Ag-AgCl 光催化剂并提高其光催化性能
影响因子：
6.2
作者：
Wang Ping;Yu Chengde;Ding Junjie;Wang Xuefei;Yu Huogen
通讯作者：
Yu Huogen