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Molecules
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Green Synthesis and Environmental Catalysis
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Green Synthesis and Environmental Catalysis

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

Deadline for manuscript submissions: 31 October 2024 | Viewed by 424

Special Issue Editors

Dr. Xingyun Li

E-Mail Website
Guest Editor
Environmental Science and Technology, Qingdao University, Qingdao 266071, China
Interests: Heterogeneous Catalysis; environmental catalysis; carbon material; metal free catalysis; 2D material; CO2 conversion; metal oxide
Prof. Dr. Xiao Liu

E-Mail Website
Guest Editor
College of Chemistry, Central China Normal University, Wuhan 430079, China
Interests: environmental catalysis; CO2 conversion; noble metal catalyst; MnO2; single atom catalyst

Special Issue Information

Dear Colleagues,

With the ever-stricter environmental regulations, utilizing green synthesis and environmental technology to guarantee an environmentally benign industrial process becomes a hot topic. We are pleased to invite you to contribute your research on the important aspects of green chemistry.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not limited to) the following:

  1. Green synthesis, which promotes the application of clean raw materials, catalysts, and solvents and the prevention of the formation of hazardous by-products;
  2. Environmental catalysis, which covers the development of catalysts for air pollutant (industrial or vehicle tail gas, in-door VOCs, etc.) abatement, water purification, and CO2 conversion. Research on thermal catalysis, electrical catalysis, and photocatalysis is welcome.

Dr. Xingyun Li
Prof. Dr. Xiao Liu
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

  • green synthesis
  • clean production
  • heterogeneous catalyst
  • environmental catalysis
  • CO2 conversion
  • water purification
  • VOCs oxidation
  • tail gas treatment

Published Papers (1 paper)

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Research

12 pages, 2592 KiB  
Article
Micro-Structure Engineering in Pd-InOx Catalysts and Mechanism Studies for CO2 Hydrogenation to Methanol
by Fengwang Zhao, Gemeng Liang, Xiaoli Yang, Yang Lei, Fayi Jin, Leilei Xu, Chuanhui Zhang, Wei Jiang, Haoxi Ben and Xingyun Li
Molecules 2024, 29(16), 3715; https://doi.org/10.3390/molecules29163715 - 6 Aug 2024
Viewed by 274
Abstract
Significant interest has emerged for the application of Pd-In2O3 catalysts as high-performance catalysts for CO2 hydrogenation to CH3OH. However, precise active site control in these catalysts and understanding their reaction mechanisms remain major challenges. In this investigation, [...] Read more.
Significant interest has emerged for the application of Pd-In2O3 catalysts as high-performance catalysts for CO2 hydrogenation to CH3OH. However, precise active site control in these catalysts and understanding their reaction mechanisms remain major challenges. In this investigation, a series of Pd-InOx catalysts were synthesized, revealing three distinct types of active sites: In-O, Pd-O(H)-In, and Pd2In3. Lower Pd loadings exhibited Pd-O(H)-In sites, while higher loadings resulted in Pd2In3 intermetallic compounds. These variations impacted catalytic performance, with Pd-O(H)-In catalysts showing heightened activity at lower temperatures due to the enhanced CO2 adsorption and H2 activation, and Pd2In3 catalysts performing better at elevated temperatures due to the further enhanced H2 activation. In situ DRIFTS studies revealed an alteration in key intermediates from *HCOO over In-O bonds to *COOH over Pd-O(H)-In and Pd2In3 sites, leading to a shift in the main reaction pathway transition and product distribution. Our findings underscore the importance of active site engineering for optimizing catalytic performance and offer valuable insights for the rational design of efficient CO2 conversion catalysts. Full article
(This article belongs to the Special Issue Green Synthesis and Environmental Catalysis)
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