TY - JOUR
T1 - In Situ Preparation of Mn0.2Cd0.8S-Diethylenetriamine/Porous g-C3N4 S-Scheme Heterojunction with Enhanced Photocatalytic Hydrogen Production
AU - Zhao, Zhiwei
AU - Dai, Kai
AU - Zhang, Jinfeng
AU - Dawson, Graham
N1 - Funding Information:
This work was supported by the National Natural Science Foundation of China (51572103 and 51973078), the Distinguished Young Scholar of Anhui Province (1808085J14), the Major projects of Education Department of Anhui Province (KJ2020ZD005), and the Key Foundation of Educational Commission of Anhui Province (KJ2019A0595).
Publisher Copyright:
© 2022 Wiley-VCH GmbH
PY - 2022/1/30
Y1 - 2022/1/30
N2 - The design of a step-scheme (S-scheme) heterojunction can promote the separation of photogenerated carriers and optimize the oxidation–reduction capacity of the photocatalyst to the greatest possible extent. It is one of the most effective schemes for enhancing the efficiency of photocatalytic hydrogen production. In this work, an S-scheme of Mn0.2Cd0.8S-diethylenetriamine/porous g-C3N4 (MCS/PCN) heterojunction is designed, which accelerates the charge transfer at the interface of Mn0.2Cd0.8S-diethylenetriamine (Mn0.2Cd0.8S-DETA) and porous g-C3N4 (Pg-C3N4), and provides electrons for photocatalytic hydrogen production. Under the same light conditions, the hydrogen production efficiency of the MCS/PCN composite is 11.42 mmol h-1 g-1, which is 30 times higher than that of pure Pg-C3N4. By constructing this in situ grown S-scheme heterojunction, a new direction for the precise design of charge separation is provided.
AB - The design of a step-scheme (S-scheme) heterojunction can promote the separation of photogenerated carriers and optimize the oxidation–reduction capacity of the photocatalyst to the greatest possible extent. It is one of the most effective schemes for enhancing the efficiency of photocatalytic hydrogen production. In this work, an S-scheme of Mn0.2Cd0.8S-diethylenetriamine/porous g-C3N4 (MCS/PCN) heterojunction is designed, which accelerates the charge transfer at the interface of Mn0.2Cd0.8S-diethylenetriamine (Mn0.2Cd0.8S-DETA) and porous g-C3N4 (Pg-C3N4), and provides electrons for photocatalytic hydrogen production. Under the same light conditions, the hydrogen production efficiency of the MCS/PCN composite is 11.42 mmol h-1 g-1, which is 30 times higher than that of pure Pg-C3N4. By constructing this in situ grown S-scheme heterojunction, a new direction for the precise design of charge separation is provided.
KW - in situ grown
KW - Mn0.2Cd0.8S
KW - photocatalytic H-2 reduction
KW - porous g-C3N4
KW - S-scheme heterojunction
UR - https://www.scopus.com/pages/publications/85123891764
U2 - 10.1002/adsu.202100498
DO - 10.1002/adsu.202100498
M3 - Article
AN - SCOPUS:85123891764
SN - 2366-7486
VL - 7
JO - Advanced Sustainable Systems
JF - Advanced Sustainable Systems
IS - 1
M1 - 2100498
ER -