Efficient Catalysts in Carbon Dioxide (CO2) Conversion

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 672

Special Issue Editor


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Guest Editor
Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China
Interests: CO2 conversion; heterogeneous catalysis; catalyst design; photocatalysis; carbon capture and utilization; metal–organic frameworks (MOFs); wastewater
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Special Issue Information

Dear Colleagues,

The urgent need to mitigate climate change and achieve carbon neutrality has driven significant interest in catalytic technologies for converting CO2 into value-added chemicals, fuels, and materials. This Special Issue focuses on advancements in the design, synthesis, and application of high-performance catalysts for CO2 conversion processes, including thermochemical, electrochemical, photocatalytic, and hybrid approaches. Contributions highlighting novel catalytic materials (e.g., single-atom catalysts, metal–organic frameworks, nanostructured composites), mechanistic insights into active sites and reaction pathways, and strategies to enhance catalytic activity, selectivity, and stability are encouraged. Additionally, studies addressing scalability, cost-effectiveness, and sustainability of catalyst synthesis will be prioritized. By bridging fundamental research and practical applications, this Issue aims to accelerate the development of efficient catalytic systems that enable the circular utilization of CO2, contributing to renewable energy storage, sustainable chemical production, and global decarbonization efforts.

Dr. Hao Wang
Guest Editor

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Keywords

  • CO2 conversion
  • heterogeneous catalysis
  • catalyst design
  • electrocatalysis
  • photocatalysis
  • metal–organic frameworks (MOFs)
  • reaction mechanisms
  • carbon capture and utilization

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Published Papers (1 paper)

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Research

27 pages, 6182 KB  
Article
Tailoring Interfacial Charge Transfer via Defect-Mediated Au/Bi4Ti3O12 Heterostructures for Highly Selective Photocatalytic CO2 Reduction to CH4
by Biao Zhang, Liantao Yang, Boyu Chen, Yuanzhe Li and Hao Wang
Catalysts 2026, 16(4), 327; https://doi.org/10.3390/catal16040327 - 2 Apr 2026
Viewed by 266
Abstract
Defect engineering and metal–support coupling provide an effective route to tune interfacial charge dynamics for selective photocatalytic CO2 reduction. Here, Ti-vacancy-rich Bi4Ti3O12 (BTvO) nanosheets were prepared and decorated with Au nanoparticles (Au NPs) to build Au-BTvO junctions [...] Read more.
Defect engineering and metal–support coupling provide an effective route to tune interfacial charge dynamics for selective photocatalytic CO2 reduction. Here, Ti-vacancy-rich Bi4Ti3O12 (BTvO) nanosheets were prepared and decorated with Au nanoparticles (Au NPs) to build Au-BTvO junctions that favor multi-electron/proton transfer toward deep hydrogenation. The optimized 3%Au-BTvO achieved high hydrocarbon productivity under visible light (λ > 420 nm), delivering CH4 and C2H6 formation rates of 92.66 and 17.96 μmol g−1 h−1, respectively, with stable performance over 25 h. Spectroscopic analyses reveal higher CO2 uptake and more effective surface activation, increased water adsorption with a more favorable interfacial hydration environment, and time-dependent formation of key C1 and C2 intermediates. In situ light-irradiation XPS, PL mapping, and KPFM collectively demonstrate directional electron transfer from Bi4Ti3O12 to Au and amplified surface band bending, enabling efficient charge separation and accelerated surface reduction. This work highlights defect–metal synergy as a general strategy to boost activity, selectivity, and durability in visible-light CO2-to-methane conversion. Full article
(This article belongs to the Special Issue Efficient Catalysts in Carbon Dioxide (CO2) Conversion)
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