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Photocatalytic Hydrogen Production Performance of Zn0.76Co0.24S/Twinned Mn0.5Cd0.5S Homojunction/Heterojunction System
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Enzhou LIU1, Chenxuan WANG1, Tao SUN1, Xiaoyun HU2, Jun FAN1
Journal of the Chinese Ceramic Society | 2023, 51(1) : 4 - 13
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Journal of the Chinese Ceramic Society | 2023, 51(1): 4-13
• Research Articles •
Photocatalytic Hydrogen Production Performance of Zn0.76Co0.24S/Twinned Mn0.5Cd0.5S Homojunction/Heterojunction System
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Enzhou LIU1, Chenxuan WANG1, Tao SUN1, Xiaoyun HU2, Jun FAN1
Affiliations
  • 1.School of Chemical Engineering, Northwest University, Xi'an 710069, China
  • 2.School of Physics, Northwest University, Xi'an 526020, China

    • LIU Enzhou (1984-), male, Ph.D., Professor. E-mail:

About Author:

LIU Enzhou (1984-), male, Ph.D., Professor. E-mail:

Published: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220332
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Twinned Mn0.5Cd0.5S (T-MCS) solid solution was prepared by a hydrothermal method, and then Zn0.76Co0.24S/T-MCS heterojunction was fabricated by an in-situ hydrothermal method. The results show that Mn0.5Cd0.5S solid solutions is a twinned homojunction consisting of wurtzite Mn0.5Cd0.5S (WZ-MCS) and zinc-blende Mn0.5Cd0.5S (ZB-MCS) alternately. The introduction of Zn0.76Co0.24S can enhance the light harvesting ability of the system and increase the number of the surface charge carriers, the H2 production rate of 3% Zn0.76Co0.24S/T-MCS reaches 132.9 mmol·g-1·h-1 in Na2S/Na2SO3 mixture solution (300 W Xe lamp, λ > 420 nm), which is 332.2 and 1.9 times greater than those of Zn0.76Co0.24S and T-MCS, respectively. According to the results by energy band structure analysis, the type-Ⅱ twinned homojunction between WZ-MCS and ZB-MCS can improve the bulk phase charge separation, the S-scheme heterojunction between T-MCS and Zn0.76Co0.24S can accelerate the interfacial charge transfer, and the REDOX capacity of the holes in T-MCS valence band and electrons in Zn0.76Co0.24S conduction band is retained, therefore resulting in a faster H2 production.

photocatalytic H2 production  /  twin structure  /  type-Ⅱ homojunction  /  heterojunction  /  charge transfer
刘恩周, 王辰轩, 孙涛, 胡晓云, 樊君. Zn0.76Co0.24S/孪晶Mn0.5Cd0.5S同质异质结光催化产氢性能. 硅酸盐学报, 2023 , 51 (1) : 4 -13 . DOI: 10.14062/j.issn.0454-5648.20220332
Enzhou LIU, Chenxuan WANG, Tao SUN, Xiaoyun HU, Jun FAN. Photocatalytic Hydrogen Production Performance of Zn0.76Co0.24S/Twinned Mn0.5Cd0.5S Homojunction/Heterojunction System[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 4 -13 . DOI: 10.14062/j.issn.0454-5648.20220332
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Year 2023 volume 51 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20220332
  • Receive Date：2022-07-19
  • Online Date：2026-10-20
  • Published：2023-01-20
Article Data
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History
  • Received：2022-07-19
  • Revised：2022-08-05
Funding
Affiliations
    1.School of Chemical Engineering, Northwest University, Xi'an 710069, China
    2.School of Physics, Northwest University, Xi'an 526020, China

Corresponding:

FAN Jun (1959-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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