Special Issues

Catalysts publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Nanostructured Photocatalysts for Hydrogen Production
edited by Chunzheng Wu and Huafeng Li
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1300 | Submission Open
Keywords: H2 evolution; photocatalysis; water splitting; nanocrystals; hybrid; hydrogen peroxide
(This special issue belongs to the Section Nanostructured Catalysts)
Photocatalytic Nanomaterials for Environmental Purification, 2nd Edition
edited by
submission deadline 30 Nov 2025 | 1 articles | Viewed by 1062 | Submission Open
Keywords: photocatalytic nanomaterials; photocatalysis; air purification; VOC degradation; wastewater treatment
(This special issue belongs to the Section Photocatalysis)
CO2 Catalytic Valorization and Utilization
edited by Huancong Shi
submission deadline 30 Nov 2025 | 1 articles | Viewed by 780 | Submission Open
Keywords: CO2  catalytic valorization; CO2  catalytic utilization; CO2  catalytic conversion; CO2  capture; CO2  absorption; CO2  desorption; decarbonization
(This special issue belongs to the Section Environmental Catalysis)
State-of-the-Art Enzyme Engineering and Biocatalysis in Europe submission deadline 30 Nov 2025 | 1 articles | Viewed by 714 | Submission Open
Keywords: enzyme engineering; biocatalysis; directed evolution; enzyme immobilization; multi-enzyme cascade reactions; bioprocess engineering; chemoenzymatic synthesis
(This special issue belongs to the Section Biocatalysis)
Catalytic Conversion of CO2 or CO
edited by and
submission deadline 30 Nov 2025 | 1 articles | Viewed by 579 | Submission Open
Keywords: CO2 conversion and utilization; CO conversion; heterogeneous catalysis; novel catalysts; reaction mechanism
(This special issue belongs to the Section Environmental Catalysis)
Nanocatalysts for Contaminant Degradation
edited by Yang Guo, Dandan Xu, Yueshuang Mao and
submission deadline 30 Nov 2025 | Viewed by 208 | Submission Open
Keywords: nanocatalysts; contaminant degradation; environmental remediation; organic pollutants; heavy metals; synthesis and characterization; water treatment; environmental science and technology
(This special issue belongs to the Section Nanostructured Catalysts)
Recent Advances in Catalysis in Organic and Polymer Chemistry: Innovations from Japan submission deadline 30 Nov 2025 | Viewed by 154 | Submission Open
Keywords: molecular catalysis; heterogeneous catalysis; organocatalysts; fine chemicals; polymers; sustainable methods; sustainable materials; green process
(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)
Plasma Catalysis: Synthesis of Value-Added Products from Polymer and CO2 to Mitigate Environmental Impacts
edited by and Sonil Nanda
submission deadline 30 Nov 2025 | Viewed by 153 | Submission Open
Keywords: CO2; polymer; hydrogenolysis; conversion; catalyst; non-thermal plasma; hydrogen
Emerging Topics in Catalytic Reactions: From Catalyst Preparation to Application in Diverse Fields
edited by , , and
submission deadline 30 Nov 2025 | Viewed by 152 | Submission Open
Keywords: photocatalysis; organic synthesis; photothermal reactions; enzyme mimic catalysis; synthetic methodology; homogeneous catalysis; heterogeneous catalysis; electrocatalysis; cooperative catalysis; gas conversion; nanoenzymes; food processing
Catalytic Conversion of Carbohydrates into Platform Chemicals
edited by and Dan Wu
submission deadline 30 Nov 2025 | Viewed by 149 | Submission Open
Keywords: carbohydrate conversion; biomass valorization; catalytic conversion; platform chemicals; 5-Hydroxymethylfurfural (HMF); furfural; sustainable biorefining; carbon neutrality; heterogeneous catalysis
(This special issue belongs to the Section Biomass Catalysis)
Design and Application of Photoredox Catalysts
edited by , and Joana C. Lopes
submission deadline 30 Nov 2025 | Viewed by 124 | Submission Open
Keywords: photocatalysis; catalyst design; photoredox chemistry; environmental remediation; energy conversion
(This special issue belongs to the Section Photocatalysis)
Advances in Catalytic Conversion of Lignocellulose Refining
edited by Daming Gao, and
submission deadline 30 Nov 2025 | Viewed by 123 | Submission Open
Keywords: catalysis; lignocellulose; reaction kinetics; chemicals; mechanism
(This special issue belongs to the Section Biomass Catalysis)
Catalysts for Biomass Conversions and Hydrogen Productions
edited by
submission deadline 30 Nov 2025 | Viewed by 119 | Submission Open
Keywords: biomass conversion; hydrogen production; catalysts; renewable energy; sustainability
(This special issue belongs to the Section Biomass Catalysis)
Nanomaterial Catalysts for Wastewater Treatments
edited by Kaijie Yang and
submission deadline 30 Nov 2025 | Viewed by 105 | Submission Open
Keywords: nanocatalysts; wastewater treatment; photocatalysis; electrocatalysis; environmental nanotechnology; water purification
(This special issue belongs to the Section Environmental Catalysis)
Catalysis for Solid Waste Upcycling: Challenges and Opportunities
edited by , Kai Li and Junyan Zhang
submission deadline 30 Nov 2025 | Viewed by 103 | Submission Open
Keywords: solid waste; biomass; catalytic conversion; value-added utilization
(This special issue belongs to the Section Biomass Catalysis)
Electrocatalysts for Environmental Remediation and Energy Conversion
edited by
submission deadline 30 Nov 2025 | Viewed by 91 | Submission Open
Keywords: electrocatalysts; environmental remediation; energy conversion; sustainable technologies; water treatment; air purification; pollutant degradation; fuel cells; electrolyzers; metal– air batteries; oxygen reduction reaction (ORR); oxygen evolution reaction (OER)
(This special issue belongs to the Section Environmental Catalysis)
A Multi-Faceted Approach to Hydrogen Production via Catalytic Methane Activation submission deadline 30 Nov 2025 | Viewed by 80 | Submission Open
Keywords: hydrogen production; methane activation and reforming; catalytic reforming (or catalysis); sustainable energy
(This special issue belongs to the Section Industrial Catalysis)
Advanced Functional Two-Dimensional, Layered and Hybrid Composite Materials for Catalytic Applications
edited by
submission deadline 30 Nov 2025 | Viewed by 77 | Submission Open
Keywords: advanced materials; photocatalysis; electrocatalysis; catalyst; oxygen/hydrogen evolution reactions; hydrogen production; electrode modifier; electrode materials
(This special issue belongs to the Section Industrial Catalysis)
Advancements in Photocatalysis for Environmental Applications
edited by and
submission deadline 10 Dec 2025 | 7 articles | Viewed by 10863 | Submission Open
Keywords: photocatalysis; photocatalysts; environmental protection; computational simulation; sustainability; materials engineering
(This special issue belongs to the Section Photocatalysis)
Recent Advances in Electrocatalysis and Future Perspective
edited by and Duo Chen
submission deadline 10 Dec 2025 | 4 articles | Viewed by 7178 | Submission Open
Keywords: electrocatalysis; anode reactions; cathode reactions; fuel cells; batteries; electrochemical devices; electrochemical sensors; electrosynthesis; water electrolysis; electrochemical materials science
(This special issue belongs to the Section Electrocatalysis)
Feature Papers in "Industrial Catalysis" Section, 2nd Edition
edited by Xiujie Li and
submission deadline 15 Dec 2025 | 4 articles | Viewed by 4603 | Submission Open
Keywords: industrial catalysis; catalyst design; reaction kinetics; process optimization; catalyst characterization; catalysis and chemical engineering; catalysis for energy; catalytic activity and product selectivity; catalyst synthesis; emerging trends in catalysis
(This special issue belongs to the Section Industrial Catalysis)
Heterogeneous Catalysis for Environmentally Compatible Reactions and Processes, 2nd Edition
edited by , Paula Osorio-Vargas and
submission deadline 15 Dec 2025 | 3 articles | Viewed by 3192 | Submission Open
Keywords: heterogeneous catalysis; environmental catalysis; waste valorization; biofuel; energy
(This special issue belongs to the Section Environmental Catalysis)
Advanced Catalysts Design and Catalytic Conversion of Biomass to High-Value Products
edited by
submission deadline 15 Dec 2025 | 2 articles | Viewed by 2021 | Submission Open
Keywords: advanced catalysts design; biomass resources utilization; platform chemicals; chemical engineering process; biorefinery; sustainability; high-value products; heterogeneous catalysts; homogeneous catalysts; biocatalysts; porous materials; chiral catalysts; enzyme; biomimic materials; agriculture
(This special issue belongs to the Section Biomass Catalysis)
Integrating Pyrolysis with Catalysis: A Pathway to Sustainable Chemicals
edited by Soheil Valizadeh and
submission deadline 15 Dec 2025 | 1 articles | Viewed by 1158 | Submission Open
Keywords: catalytic pyrolysis; biomass valorization; plastic waste; hierarchical zeolites; sustainable chemicals; value-added chemicals; renewable fuels; bio-oil upgrading; waste-to-chemicals; lignocellulosic biomass; unconventional fossil fuels; oil shale; shale oil; oil sands; heavy oil; coal-to-liquid; mesoporous catalysts; green chemistry
(This special issue belongs to the Section Biomass Catalysis)
Explainable AI (XAI) for Industrial Catalysis: Interpretable Machine Learning for Catalyst Design, Optimization, and Process Efficiency submission deadline 15 Dec 2025 | Viewed by 136 | Submission Open
Keywords: explainable artificial intelligence (XAI); industrial catalysis; interpretable machine learning; catalyst design and optimization; SHAP and LIME in catalysis; data-driven process engineering; catalyst performance prediction; AI-enhanced reaction mechanisms; process intensification; AI in petrochemical and chemical industries
(This special issue belongs to the Section Industrial Catalysis)
Enhanced Photocatalytic Activity over Ti, Zn, or Sn-Based Catalysts
edited by , and Horacio Edgardo Garrafa-Gálvez
submission deadline 20 Dec 2025 | 1 articles | Viewed by 1044 | Submission Open
Keywords: green synthesis; metal oxide; nanoparticles; photocatalysis; photodegradation of pollutants; photosensitization; nanocomposites
(This special issue belongs to the Section Photocatalysis)
Fiber Catalysts for Efficient Energy and Environmental Catalysis
edited by and Yongshuai Xie
submission deadline 20 Dec 2025 | Viewed by 70 | Submission Open
Keywords: fiber-structured catalysts; structure-function integration; stability enhancement; environmental catalysis; carrier-active component synergy
(This special issue belongs to the Section Environmental Catalysis)
Photocatalytic Water Splitting and Pollutant Degradation: Recent Progress and Emerging Trends
edited by Zichao Lian
submission deadline 30 Dec 2025 | 1 articles | Viewed by 881 | Submission Open
Keywords: photocatalysis; photocatalytic water splitting; environmental remediation; emerging contaminants; synergistic effect; synthesis of heterostructured photocatalysts; Fenton-like reactions; solar energy conversion; photoinduced carrier dynamics
(This special issue belongs to the Section Photocatalysis)
Catalysis Accelerating Energy and Environmental Sustainability
edited by Jinxing Chen
submission deadline 31 Dec 2025 | 18 articles | Viewed by 12222 | Submission Open
Keywords: energy conversion; environmental sustainability; electrocatalysis; photocatalysis; green chemistry; earth-abundant catalysts; catalyst durability and regeneration; low-emission processes
(This special issue belongs to the Section Environmental Catalysis)
Catalytic Carbon Emission Reduction and Conversion in the Environment
edited by Pengwei Huo, Xin Liu, Xianghai Song and Yangyang Yang
submission deadline 31 Dec 2025 | 3 articles | Viewed by 3263 | Submission Open
Keywords: carbon catalytic materials; carbon emission reduction; carbon conversion; carbon neutrality; waste upcycling; environmental protection
(This special issue belongs to the Section Environmental Catalysis)
Surface and Interface Engineering of Catalyst Nanostructures for Electrochemical Energy Conversion
edited by and Huajie Huang
submission deadline 31 Dec 2025 | 3 articles | Viewed by 3019 | Submission Open
Keywords: electrocatalysts; low-dimension materials; heterostructures; controllable synthesis; water splitting; fuel cells; metal– air batteries
(This special issue belongs to the Section Electrocatalysis)
Green Heterogeneous Catalysis for CO2 Reduction
edited by , and Belén Bachiller-Baeza
submission deadline 31 Dec 2025 | 3 articles | Viewed by 2739 | Submission Open
Keywords: carbon dioxide; catalysis; reduction; chemicals; fuels; characterisation; structure– activity correlations
Nanocatalysts for the Degradation of Refractory Pollutants, 2nd Edition submission deadline 31 Dec 2025 | 3 articles | Viewed by 2729 | Submission Open
Keywords: environmental catalysis; advanced oxidation processes (AOPs); photocatalysis; nanomaterial; nanotechnology; water treatment; environmental remediation; catalyst characterization; VOC degradation; emerging contaminants; non-biodegradable organic contaminants
(This special issue belongs to the Section Environmental Catalysis)
Enzymatic and Chemoenzymatic Cascade Reactions
edited by and Florian Tieves
submission deadline 31 Dec 2025 | 1 articles | Viewed by 2147 | Submission Open
Keywords: cascade reactions; chemo-enzymatic reactions; biocatalysis; biotransformation; multistep tandem reactions; one-pot synthesis; sustainable chemistry; reaction optimization; enzyme engineering; enzyme compatibility; organic synthesis; functionalization of small molecules
(This special issue belongs to the Section Biocatalysis)
Microporous and Mesoporous Materials for Catalytic Applications, 2nd Edition
edited by
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1870 | Submission Open
Keywords: microporous materials; mesoporous materials; catalysts; synthesis; catalysis; characterization; chemicals; fuels
(This special issue belongs to the Section Catalytic Materials)
Photocatalysts for CO2 Reduction
edited by Huanhuan Liu and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1697 | Submission Open
Keywords: photocatalysis; photocatalyst; composite material; heterojunction; CO2 reduction; selectivity in CO2 reduction; catalytic mechanism
(This special issue belongs to the Section Photocatalysis)
Catalysis for the Future submission deadline 31 Dec 2025 | 1 articles | Viewed by 1369 | Submission Open
Keywords: catalytic materials; environmental catalysis; photocatalysis; electrocatalysis; biocatalysis; biomass catalysis; industrial catalysis; computational catalysis; other catalyzed processes
Catalytic Processes in Environmental Applications
edited by Yunfeng Ma, Peng Lu and Xiaole Weng
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1184 | Submission Open
Keywords: industrial exhaust treatment; catalytic oxidation; selective catalytic reduction; multi-pollutant synergistic catalysis; electro-driven/assisted catalysis; low-energy consumption catalysis; catalyst design assisted by AI; advanced characterization techniques
(This special issue belongs to the Section Environmental Catalysis)
Nanostructured Catalysts for Emerging Electrochemical Technologies
edited by
submission deadline 31 Dec 2025 | 1 articles | Viewed by 380 | Submission Open
Keywords: nanostructured catalysts; electrochemical technologies; energy conversion; energy storage; oxygen reduction reactions (ORRs); hydrogen evolution reactions (HERs); CO2 reduction reactions (CO2RRs); fuel cells; electrolyzers; metal-air batteries; lithium-ion batteries; sodium-ion batteries; environmental remediation; advanced characterization; sustainable synthesis
(This special issue belongs to the Section Electrocatalysis)
Catalytic Advances in Biomass Derivatives to Value-Added Products and Biomass Conversion for Green Chemistry
edited by , Shuolin Zhou and
submission deadline 31 Dec 2025 | Viewed by 296 | Submission Open
Keywords: biomass conversion; biomass upgrading; biomass derivatives; biomass-based chemicals; bioproducts; biofuels; green chemistry; catalytic upgrading; metal catalysts; non-precious metal catalysts; heterogeneous catalysis
(This special issue belongs to the Section Biomass Catalysis)
Catalysts: New Preparation Methods and Advanced Characterization
edited by
submission deadline 31 Dec 2025 | Viewed by 288 | Submission Open
Keywords: heterogenous catalysts; synthesis techniques; characterization techniques; structure– performance relationship
(This special issue belongs to the Section Catalytic Materials)
Photocatalysis and Electrocatalysis for Water Remediation
edited by and Haiguang Zhang
submission deadline 31 Dec 2025 | Viewed by 167 | Submission Open
Keywords: photocatalysis; electrocatalysis; water remediation; pollutant degradation; nanomaterials
(This special issue belongs to the Section Environmental Catalysis)
Porous Catalytic Materials for Environmental Purification
edited by
submission deadline 31 Dec 2025 | Viewed by 167 | Submission Open
Keywords: porous materials; catalytic oxidation; advanced oxidation; photocatalysis; VOCs degradation; CO2 catalytic conversion; NOx catalytic reduction; CO oxidation  
(This special issue belongs to the Section Environmental Catalysis)
Advances in Catalytic Reaction for Wastewater Treatment
edited by , Xu Jin and
submission deadline 31 Dec 2025 | Viewed by 154 | Submission Open
Keywords: heavy metal removal; electrochemical oxidation/reduction; emerging organic pollutants; environmentally friendly catalysts; adsorption; bioelectrochemical technology; photocatalysis; membrane separation; wastewater treatment
(This special issue belongs to the Section Catalytic Materials)
Advanced Catalysts for Energy Conversion and Environmental Protection
edited by
submission deadline 31 Dec 2025 | Viewed by 144 | Submission Open
Keywords: photoelectrocatalytic water splitting; photoelectrocatalytic CO2 reduction; hydrogen production/storage; energy conversion; environmental protection
(This special issue belongs to the Section Catalytic Materials)
Advanced Semiconductor Photocatalysts
edited by , , and Deqian Zeng
submission deadline 31 Dec 2025 | Viewed by 141 | Submission Open
Keywords: semiconductors; photocatalytic reaction; nanomaterials; heavy metals; radioactive ions; wastewater; dyes; inorganic and organic pollutants; biological activities and photocatalytic mechanisms
(This special issue belongs to the Section Photocatalysis)
Electrocatalysts for Nitrogen Reduction Reaction
edited by
submission deadline 31 Dec 2025 | Viewed by 111 | Submission Open
Keywords: nitrogen reduction reaction; electrocatalysis; ammonia synthesis; nanomaterials; N2 activation; catalyst design
(This special issue belongs to the Section Electrocatalysis)
Fungal Enzymes in Focus: Novel Approaches in Production and Purification for Industrial and Environmental Challenges
edited by Romero M. P. Brandão-Costa, Galba M. Campos-Takaki, Ana Cristina L. Leite and Ana Lúcia F. Porto
submission deadline 31 Dec 2025 | Viewed by 102 | Submission Open
Keywords: fermentation; filamentous fungi; enzymes; biotechnology
(This special issue belongs to the Section Biocatalysis)
State-of-the-Art Catalysts for the Removal of Halogenated Pollutants
edited by Juan Zhou
submission deadline 31 Dec 2025 | Viewed by 93 | Submission Open
Keywords: halogenated pollutants; catalytic reduciton/oxidation; halogen transfer mechanism; high-value conversion; collaborative elimination; catalyst recycling
(This special issue belongs to the Section Environmental Catalysis)
Catalysts for CO2 Conversions
edited by Jiongliang Yuan
submission deadline 31 Dec 2025 | Viewed by 84 | Submission Open
Keywords: catalytic conversion; CO2; synthesis; physicochemical characterization; catalytic performance; catalytic; mechanistic
(This special issue belongs to the Section Environmental Catalysis)
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