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Molecules
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Green Catalysis Technology for Sustainable Energy Conversion
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Green Catalysis Technology for Sustainable Energy Conversion

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1778

Special Issue Editors

Dr. Kangqiang Lu

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Guest Editor
School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China
Interests: photocatalysis; graphene; composites
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Weiya Huang

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China
Interests: photocatalysis; graphene; composites
Special Issues, Collections and Topics in MDPI journals
Dr. Bo Weng

E-Mail Website
Guest Editor
Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361024, China
Interests: photocatalysis; metal nanoparticles; perovskites; H2 evolution; selective organic transformations; CO2 reduction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Given the environmental problems brought by industrial development and the rapid consumption of natural resources, the need to search for new and alternative sources of energy has become a global consensus. Low-cost, efficient green catalysis technology is the focus of the present research. This Special Issue will present the most recent and significant developments in green catalysis technology for sustainable energy conversion. Original papers on the above topics and short reviews are welcome for submission

Dr. Kangqiang Lu
Prof. Dr. Weiya Huang
Dr. Bo Weng
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • catalysis
  • sustainable energy
  • energy crisis
  • environmental pollution

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Published Papers (2 papers)

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Research

18 pages, 7158 KiB  
Article
Novel PDI-NH/PDI-COOH Supramolecular Junction for Enhanced Visible-Light Photocatalytic Phenol Degradation
by Yongzhang Xu, Xingrui Luo, Fulin Wang, Wentao Xiang, Chensheng Zhou, Weiya Huang, Kangqiang Lu, Shaoyu Li, Man Zhou and Kai Yang
Molecules 2024, 29(17), 4196; https://doi.org/10.3390/molecules29174196 - 4 Sep 2024
Cited by 1 | Viewed by 705
Abstract
The development of efficient and environmentally friendly photocatalysts is crucial for addressing global energy and environmental challenges. Perylene diimide, an organic supramolecular material, holds great potential for applications in mineralized phenol. In this study, through the integration of different mass ratios of unmodified [...] Read more.
The development of efficient and environmentally friendly photocatalysts is crucial for addressing global energy and environmental challenges. Perylene diimide, an organic supramolecular material, holds great potential for applications in mineralized phenol. In this study, through the integration of different mass ratios of unmodified perylenimide (PDI-NH) into the self-assembly of amino acid-substituted perylenimide (PDI-COOH), a novel supramolecular organic heterojunction (PDICOOH/PDINH) was fabricated. The ensuing investigation focuses on its visible-light mineralized phenol properties. The results show that the optimal performance is observed with a composite mass fraction of 10%, leading to complete mineralization of 5 mg/L phenol within 5 h. The reaction exhibits one-stage kinetics with rate constants 13.80 and 1.30 times higher than those of PDI-NH and PDI-COOH, respectively. SEM and TEM reveal a heterogeneous interface between PDI-NH and PDI-COOH. Photoelectrochemical and Kelvin probe characterization confirm the generation of a built-in electric field at the interface, which is 1.73 times stronger than that of PDI-COOH. The introduction of PDI-NH promotes π-π stacking of PDI-COOH, while the built-in electric field facilitates efficient charge transfer at the interface, thereby enhancing phenol decomposition. The finding demonstrates that supramolecular heterojunctions have great potential as highly effective photocatalysts for environmental remediation applications. Full article
(This article belongs to the Special Issue Green Catalysis Technology for Sustainable Energy Conversion)
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15 pages, 5157 KiB  
Article
Electrostatic Self-Assembly of CdS Quantum Dots with Co9S8 Hollow Nanotubes for Enhanced Visible Light Photocatalytic H2 Production
by Yuqing Yan, Yonghui Wu, Chenggen Lu, Yu Wei, Jun Wang, Bo Weng, Wei-Ya Huang, Jia-Lin Zhang, Kai Yang and Kangqiang Lu
Molecules 2024, 29(15), 3530; https://doi.org/10.3390/molecules29153530 - 26 Jul 2024
Viewed by 811
Abstract
CdS quantum dots (CdS QDs) are regarded as a promising photocatalyst due to their remarkable response to visible light and suitable placement of conduction bands and valence bands. However, the problem of photocorrosion severely restricts their application. Herein, the CdS QDs-Co9S [...] Read more.
CdS quantum dots (CdS QDs) are regarded as a promising photocatalyst due to their remarkable response to visible light and suitable placement of conduction bands and valence bands. However, the problem of photocorrosion severely restricts their application. Herein, the CdS QDs-Co9S8 hollow nanotube composite photocatalyst has been successfully prepared by loading Co9S8 nanotubes onto CdS QDs through an electrostatic self-assembly method. The experimental results show that the introduction of Co9S8 cocatalyst can form a stable structure with CdS QDs, and can effectively avoid the photocorrosion of CdS QDs. Compared with blank CdS QDs, the CdS QDs-Co9S8 composite exhibits obviously better photocatalytic hydrogen evolution performance. In particular, CdS QDs loaded with 30% Co9S8 (CdS QDs-30%Co9S8) demonstrate the best photocatalytic performance, and the H2 production rate reaches 9642.7 μmol·g−1·h−1, which is 60.3 times that of the blank CdS QDs. A series of characterizations confirm that the growth of CdS QDs on Co9S8 nanotubes effectively facilitates the separation and migration of photogenerated carriers, thereby improving the photocatalytic hydrogen production properties of the composite. We expect that this work will facilitate the rational design of CdS-based photocatalysts, thereby enabling the development of more low-cost, high-efficiency and high-stability composites for photocatalysis. Full article
(This article belongs to the Special Issue Green Catalysis Technology for Sustainable Energy Conversion)
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