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Photocatalytic Properties and Reaction Mechanism of PDI/ZnIn2S4 S-Scheme Heterojunction
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Hua TANG1, 2, Yue LIU1, Lele WANG1, Qinqin LIU1
Journal of the Chinese Ceramic Society | 2023, 51(1) : 14 - 22
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Journal of the Chinese Ceramic Society | 2023, 51(1): 14-22
• Research Articles •
Photocatalytic Properties and Reaction Mechanism of PDI/ZnIn2S4 S-Scheme Heterojunction
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Hua TANG1, 2, Yue LIU1, Lele WANG1, Qinqin LIU1
Affiliations
  • 1.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
  • 2.School of Environmental Science and Engineering, Qingdao University, Qingdao 266100, Shandong, China

    • TANG Hua (1979-), male, Ph.D., Professor. E-mail:

About Author:

TANG Hua (1979-), male, Ph.D., Professor. E-mail:

Published: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220352
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The construction of step scheme (S-scheme) heterojunction with a great redox ability and a high charge transfer efficiency is an effective strategy to enhance the photocatalytic activity. ZnIn2S4 nanosheets were grown in-situ on the surface of perylenimide (PDI) rods via a solvothermal method. A PDI/ZnIn2S4 heterojunction exhibits an excellent photocatalytic performance due to its tight interfacial contact and matched band structures. Moreover, the 5% PDI/ZnIn2S4 affords high H2/benzaldehyde production rates of 21.66 mmol/(g·h) and 1.02 mmol/(g·h), respectively, which is 2.12 and 3.00 folds of pristine ZnIn2S4, respectively when coupling the photocatalytic H2 evolution and the benzyl alcohol oxidation in the reaction system. Based on the results by X-ray photoelectron spectroscopy, transient photoluminescence spectroscopy and electron paramagnetic resonance analysis, the formation of the built-in electric field at the interface of PDI/ZnIn2S4 and the S-scheme electron transfer path was confirmed. The enhanced photocatalytic performance and stability can be attributed to the close contact and rich active sites of PDI/ZnIn2S4, and the charge carrier migration and increased photoredox properties were improved by a S-scheme charge-transfer route. This organic-inorganic PDI/ZnIn2S4 S-scheme heterojunction photocatalyst can be used as a novel bifunctional photocatalyst in converting solar light into clean fuel and chemicals.

scheme  /  perylenimide  /  H2 production  /  benzyl alcohol oxidation
唐华, 刘玥, 王乐乐, 刘芹芹. 苝酰亚胺/ZnIn2S4 S型异质结光催化性能与反应机制. 硅酸盐学报, 2023 , 51 (1) : 14 -22 . DOI: 10.14062/j.issn.0454-5648.20220352
Hua TANG, Yue LIU, Lele WANG, Qinqin LIU. Photocatalytic Properties and Reaction Mechanism of PDI/ZnIn2S4 S-Scheme Heterojunction[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 14 -22 . DOI: 10.14062/j.issn.0454-5648.20220352
Appendix
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Year 2023 volume 51 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20220352
  • Receive Date：2022-04-30
  • Online Date：2026-10-20
  • Published：2023-01-20
Article Data
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History
  • Received：2022-04-30
  • Revised：2022-05-30
Funding
Affiliations
    1.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
    2.School of Environmental Science and Engineering, Qingdao University, Qingdao 266100, Shandong, China

Corresponding:

LIU Qinqin (1981-), female, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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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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