Greatly enhanced photocatalytic hydrogen production on CdS/(Pt/g-C3N4) via dual functions of Pt on semiconductors interface
Greatly enhanced photocatalytic hydrogen production on CdS/(Pt/g-C3N4) via dual functions of Pt on semiconductors interface
复制标题
通过半导体界面上 Pt 的双重功能，大大提高了 CdS/(Pt/g-C3N4) 上的光催化产氢能力
DOI：
10.1016/j.ijhydene.2022.06.250
复制
发表时间：
2022-08
影响因子：
7.2
通讯作者：
BaojunMa
中科院分区：
文献类型：
--
作者：
WenfengHu;JiaweiZhang;JinfengTian;YuyingDang;WeiWang;HaijuanZhan;BaojunMa
CdS和g-C_3 N_4是著名的光催化产氢半导体材料，但其低效率限制了它们的进一步应用。本文报道了一种高效的三元催化剂CdS/（Pt/g-C3 N4），其光催化产氢活性高达1465.9 μmol/h/g，分别是Pt/CdS和Pt/g-C3 N4的5.3倍和4.0倍。TEM和HRTEM图像表明Pt纳米粒子存在于CdS和g-C3 N4之间的界面上，作为析氢的助催化剂。SPV光谱和电化学测试表明，Pt作为CdS和g-C3 N4之间的桥梁，也加速了电子的转移，有利于抑制光激发电子和空穴的复合。该研究揭示了界面Pt的双重作用，为设计高效光催化剂提供了一种新方法。
CdS and g-C3N4are famous semiconductors in photocatalytic hydrogen evolution, however, their low efficiencies limit their further application. Here, a highly efficient ternary catalyst CdS/(Pt/g-C3N4) was reported and its photocatalytic hydrogen production activity reached up to 1465.9 μmol/h/g, which is 5.3 times of Pt/CdS and 4.0 times of Pt/g-C3N4, respectively. TEM and HRTEM images demonstrate the Pt nanoparticles exists on the interface of between CdS and g-C3N4acting as a cocatalyst for hydrogen evolution. SPV spectra and electrochemical tests demonstrate that Pt as bridge between CdS and g-C3N4also accelerates the electrons transforming which benefits for the inhibition of the recombination of photoexcited electrons and holes. This study demonstrated the dual roles of interface Pt and provides a new method to design a highly efficient photocatalyst.
登录
查看更多内容
影响因子：
7.1
作者：
Yanting Zhang;Lei Ran;Zhuwei Li;Panlong Zhai;Bo Zhang;Zhaozhong Fan;Chen Wang;Xiaomeng Zhang-Xiaomeng-Z
通讯作者：
Yanting Zhang;Lei Ran;Zhuwei Li;Panlong Zhai;Bo Zhang;Zhaozhong Fan;Chen Wang;Xiaomeng Zhang-Xiaomeng-Z
影响因子：
13.3
作者：
Yalin Lan;Munkhbayar Batmunkh;Peng Li;Bingzhi Qian;Degang Bu;Qingyuan Zhao;Hongwei Huang;
通讯作者：
Yalin Lan;Munkhbayar Batmunkh;Peng Li;Bingzhi Qian;Degang Bu;Qingyuan Zhao;Hongwei Huang;
通过一种简便的一步法制备多孔缺陷改性石墨氮化碳，在可见光照射下显着增强光催化析氢
DOI：
10.1016/j.apcatb.2017.12.044
发表时间：
2018
期刊：
Applied Catalysis B: Environmental
影响因子：
--
作者：
Di Zhang;Yongle Guo;Zhongkui Zhao
通讯作者：
Zhongkui Zhao
DOI：
10.1016/j.jphotochem.2011.10.012
发表时间：
2011-12
影响因子：
4.3
作者：
Marcos de Oliveira Melo;L. A. Silva
通讯作者：
Marcos de Oliveira Melo;L. A. Silva
影响因子：
6.7
作者：
Na Tian;Hongwei Huang;Yuxi Guo;Ying He;Yihe Zhang
通讯作者：
Na Tian;Hongwei Huang;Yuxi Guo;Ying He;Yihe Zhang