Novel Nano-Heterojunctions with Enhanced Catalytic Activity

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Nanostructured Catalysts".

Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 2240

Special Issue Editors


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Guest Editor
Institute of Polymer Science and Engineering, Hebei University of Technology, Tianjin 300130, China
Interests: advanced oxidation proces, nanotechnology, carbon dioxide reduction, photoelectric water decomposition for hydrogen production; recycling/reuse catalysis
School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
Interests: photoelectrocatalysis; graphene; blackphosphorous; 2D MOFs; nano heterojunction

Special Issue Information

Dear Colleagues,

The journal Catalysts is launching a new Special Issue entitled “Novel Nano-Heterojunctions with Enhanced Catalytic Activity”. In the past few decades, nano heterojunction materials, including but not limited to type I heterojunction, type II heterojunction, S-scheme heterojunction, Z-scheme heterojunction, p-n heterojunction, Schottky heterojunction, etc., have attracted great interest in the fields of energy conversion and storage, environmental remediation and catalytic fields because of their striking properties. Although the application of various nano heterojunction materials in the catalytic field has been reported, there are still many challenges to be considered develop catalytic materials with high stability, high efficiency and selectivity.

We are very pleased to invite you to submit your manuscript to the Special Issue “Novel Nano-heterojunctions with Enhanced Catalytic Activity” to share the basic and applied research of environmental catalysis related to innovative methods, characterization and mechanism research. The topics covered by this Special Issue include (but are not limited to):

  • Advanced oxidation process;
  • Biocatalysis;
  • Nanotechnology;
  • Carbon dioxide reduction;
  • Photoelectric water decomposition for hydrogen production;
  • Recycling/reuse catalysis.

We welcome authors to submit original contributions to our Special Issue in the form of research articles, opinion articles, review articles and short communications.

Dr. Yongfang Yang
Dr. Kai Ge
Guest Editors

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Keywords

  • heterojunction
  • photocatalysis
  • nanomaterials
  • clean energy
  • advanced oxidation process
  • biocatalysis

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Published Papers (2 papers)

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Research

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14 pages, 25410 KiB  
Article
Reduction of p-Nitrophenol with Modified Coal Fly Ash Supported by Palladium Catalysts
by Hao Zhang, Kaicheng Zhou, Tao Ye, Huajun Xu, Man Xie, Pengfei Sun and Xiaoping Dong
Catalysts 2024, 14(9), 600; https://doi.org/10.3390/catal14090600 - 6 Sep 2024
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Abstract
The compound p-Nitrophenol (p-NP) is widely recognized as a highly toxic nitro-aromatic substance that urgently requires emission control. Reducing p-NP to p-aminophenol (p-AP) not only decreases its toxicity and mineralization properties in nature but also provides a key raw material for the chemical [...] Read more.
The compound p-Nitrophenol (p-NP) is widely recognized as a highly toxic nitro-aromatic substance that urgently requires emission control. Reducing p-NP to p-aminophenol (p-AP) not only decreases its toxicity and mineralization properties in nature but also provides a key raw material for the chemical and pharmaceutical industries. The study used coal fly ash (CFA) as a catalyst carrier for synthesizing the p-NP reduction catalyst. Using CFA as an alternative option not only reduces costs but also achieves the objective of treating waste with waste compared to utilizing commercial solid materials for synthesizing catalysts. By employing hydrochloric acid and sodium hydroxide pretreatment methods, the physicochemical properties of CFA are significantly improved, enhancing the dispersion of palladium (Pd) nanoparticles. The structural features of the prepared samples were characterized using various surface analysis techniques, and both intermittent and continuous modes were experimentally tested for the model catalytic reaction involving the sodium borohydride (NaBH4)-mediated reduction of p-NP. The results demonstrate that CFA has potential in wastewater treatment. Full article
(This article belongs to the Special Issue Novel Nano-Heterojunctions with Enhanced Catalytic Activity)
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Review

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20 pages, 7373 KiB  
Review
S-Scheme Heterojunction Photocatalysts for CO2 Reduction
by Mingli Li, He Cui, Yi Zhao, Shunli Li, Jiabo Wang, Kai Ge and Yongfang Yang
Catalysts 2024, 14(6), 374; https://doi.org/10.3390/catal14060374 - 12 Jun 2024
Cited by 2 | Viewed by 1224
Abstract
Photocatalytic technology, which is regarded as a green route to transform solar energy into chemical fuels, plays an important role in the fields of energy and environmental protection. An emerging S-scheme heterojunction with the tightly coupled interface, whose photocatalytic efficiency exceeds those of [...] Read more.
Photocatalytic technology, which is regarded as a green route to transform solar energy into chemical fuels, plays an important role in the fields of energy and environmental protection. An emerging S-scheme heterojunction with the tightly coupled interface, whose photocatalytic efficiency exceeds those of conventional type II and Z-scheme photocatalysts, has received much attention due to its rapid charge carrier separation and strong redox capacity. This review provides a systematic description of S-scheme heterojunction in the photocatalysis, including its development, reaction mechanisms, preparation, and characterization methods. In addition, S-scheme photocatalysts for CO2 reduction are described in detail by categorizing them as 0D/1D, 0D/2D, 0D/3D, 2D/2D, and 2D/3D. Finally, some defects of S-scheme heterojunctions are pointed out, and the future development of S-scheme heterojunctions is proposed. Full article
(This article belongs to the Special Issue Novel Nano-Heterojunctions with Enhanced Catalytic Activity)
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