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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Electrochemical Nitrogen Reduction Reaction (NRR) Catalysts: Selectivity Enhancement and HER Suppression
edited by
submission deadline 15 Oct 2026 | Viewed by 178 | Submission Open
Keywords: rational catalyst design; mechanistic understanding; electrolyte engineering; photocatalyst; reactor design; mass transport; dynamic active sites; operando characterization
(This special issue belongs to the Section Electrocatalysis)
Advances in Catalysis for Carbon Resource Utilization and Green Chemical Synthesis
edited by
submission deadline 15 Oct 2026 | Viewed by 92 | Submission Open
Keywords: catalysis; carbon resource utilization; green chemical synthesis; CO2 capture and utilization; MOFs; COFs; ionic liquids; single-atom catalysts; photo/electrocatalysis
(This special issue belongs to the Section Industrial Catalysis)
15th Anniversary of Catalysts: Shaping a Sustainable Future Through Catalysis submission deadline 20 Oct 2026 | 8 articles | Viewed by 8522 | Submission Open
Keywords: catalysis; sustainability; organic chemistry; polymer chemistry; green chemistry
(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)
Catalysts from Lignocellulose to Biofuels and Bioproducts
edited by and Elisabetta Borsella
submission deadline 20 Oct 2026 | 2 articles | Viewed by 2095 | Submission Open
Keywords: lignocellulosic biomass; biomass pretreatment; enzymatic hydrolysis; microbial bioconversion; green catalysis; biorefinery; lignin valorization
(This special issue belongs to the Section Biomass Catalysis)
Smart Catalysis: Evolution, Present State and Future Horizons
edited by
submission deadline 20 Oct 2026 | Viewed by 251 | Submission Open
Keywords: ecology design; smart catalysts; evolution; future horizons
(This special issue belongs to the Section Catalytic Materials)
Advanced Heterogeneous Catalysts for Sustainable Chemical Transformations: From Biomass Valorization to Clean Energy
edited by
submission deadline 21 Oct 2026 | 1 articles | Viewed by 388 | Submission Open
Keywords: heterogeneous catalysis; biomass valorization; clean energy catalysis; energy-related catalysis; green chemical processes
(This special issue belongs to the Section Biomass Catalysis)
15th Anniversary of Catalysts: Catalytic Materials and Processes for H2 and E-Fuel Production from Wastes submission deadline 30 Oct 2026 | 8 articles | Viewed by 6808 | Submission Open
Keywords: hydrogen production; CO2 utilization; waste valorization; electrochemical conversion; sustainability assessment; renewable fuels: (photo)catalytic materials
(This special issue belongs to the Section Catalytic Materials)
New Development of Catalysts for Organometallic Chemistry
edited by
submission deadline 30 Oct 2026 | 2 articles | Viewed by 2541 | Submission Open
Keywords: homogeneous catalysis; nanocatalysts; mechanism and kinetics; ceramic materials; polymeric hybrid materials; surface studies of catalytic materials; catalytic systems in the synthesis of hybrid materials; characterization of catalytic materials; hybrid catalysts-surface chemistry and properties
15th Anniversary of Catalysts: The Development and Future of Computational Catalysis
edited by and
submission deadline 30 Oct 2026 | 2 articles | Viewed by 1477 | Submission Open
Keywords: design of catalysts; biomimetic systems; novel computational methods for catalysis; computational catalysis applications; enzymatic catalysis
(This special issue belongs to the Section Computational Catalysis)
Nanomaterials for Eco-Sustainable Catalysis
edited by , Nagy Torad and
submission deadline 30 Oct 2026 | 1 articles | Viewed by 582 | Submission Open
Keywords: nanomaterials; eco-sustainable catalysis; renewable energy catalysis; H2 production; CO2 conversion; water splitting; N2 fixation; environmental remediation; biomass conversion; scalable catalytic systems
(This special issue belongs to the Section Catalytic Materials)
Carbon-Based Materials Catalysts for Biomass Conversions and Green Energy
edited by and Ricardo Chimentão
submission deadline 30 Oct 2026 | Viewed by 343 | Submission Open
Keywords: heterogeneous catalysis; carbon-based materials and adsorbents; biomass valorization; high-value chemicals; green energy
(This special issue belongs to the Section Biomass Catalysis)
Recent Developments in Photo-/Electrocatalysis: A Themed Issue in Honor of Prof. Trong-On Do
edited by , and Chinh Chien Nguyen
submission deadline 31 Oct 2026 | 13 articles | Viewed by 19148 | Submission Open
Keywords: band-gap engineering; heterojunctions; doping; surface plasmon resonance; photocatalysis; photoelectrocatalysis; energy generation; environmental remediation
(This special issue belongs to the Section Photocatalysis)
Multifunctional Metal–Organic Framework Materials as Catalysts
edited by Dongping Xue and
submission deadline 31 Oct 2026 | 4 articles | Viewed by 6491 | Submission Open
Keywords: metal– organic frameworks (MOFs); MOF-derived carbon-based materials; catalysis; electrocatalysis; photocatalysis; heterogeneous catalysis; energy storage and conversion
(This special issue belongs to the Section Catalytic Materials)
15th Anniversary of Catalysts: Feature Papers in Electrocatalysis submission deadline 31 Oct 2026 | 6 articles | Viewed by 4391 | Submission Open
Keywords: electrocatalysis; energy conversion and storage systems; fuel cells; water electrolysis; metal– air batteries; photoelectrochemical devices; dye-sensitized solar cells; bioelectrochemical systems
(This special issue belongs to the Section Electrocatalysis)
15th Anniversary of Catalysts: The Future of Enzyme Biocatalysis submission deadline 31 Oct 2026 | 3 articles | Viewed by 3325 | Submission Open
Keywords: machine‑learning enzyme design; photobiocatalysis; immobilized enzymes and flow bioprocesses; directed evolution and computational enzyme engineering; biocatalysis in sustainable chemical production; emerging enzyme classes and non‑natural transformations
Green Chemistry and Catalysis, 2nd Edition submission deadline 31 Oct 2026 | 1 articles | Viewed by 2280 | Submission Open
Keywords: green chemistry; homogeneous catalysts; heterogeneous catalysis; enzyme catalysis; sustainable synthesis; photocatalysis; electrocatalysis; nanocatalysts
Biocatalysts in Biodegradation and Bioremediation submission deadline 31 Oct 2026 | 1 articles | Viewed by 1803 | Submission Open
Keywords: biodegradation; bioremediation; biocatalysts in biodegradation; genetic engineering for bioremediation; enzymatic remediation; environmental pollutants; plastic biodegradation; xenobiotics degradation; heavy metal bioremediation; plant-assisted bioremediation
(This special issue belongs to the Section Biocatalysis)
15th Anniversary of Catalysts: Recent Advances in Environmental Catalysis submission deadline 31 Oct 2026 | 2 articles | Viewed by 1162 | Submission Open
Keywords: catalysis; pollutants; catalytic removal; sustainable catalytic processes; design of novel technologies; design of novel catalysts; air; water; and soil remediation; VOCs oxidation; soot oxidation; NOx reduction; CO2 activation; CH4 activation
(This special issue belongs to the Section Environmental Catalysis)
Microflow (Bio)Catalysis—2nd Edition submission deadline 31 Oct 2026 | 1 articles | Viewed by 1141 | Submission Open
Keywords: (bio)catalysis in microfluidics; hydrodynamics; (bio)catalyst immobilization process optimization; mathematical modeling; online monitoring of processes
(This special issue belongs to the Section Biocatalysis)
Recent Advances in Quantum Dots for Environmental Catalysis
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 736 | Submission Open
Keywords: carbon quantum dots; organic contaminant degradation; photocatalytic CO2 reduction; Cr(VI) reduction; water purification; charge separation; molecular oxygen activation; up-conversion effect
(This special issue belongs to the Section Catalytic Materials)
Electrochemical Catalysis of Two-Dimensional Layered Materials for Energy Conversion and Storage
edited by
submission deadline 31 Oct 2026 | 1 articles | Viewed by 705 | Submission Open
Keywords: two-dimensional materials; electrocatalysis; water splitting; biomass oxidation; energy conversion; energy storage
(This special issue belongs to the Section Catalytic Materials)
Metal and Non-Metal Doping Modification of Catalysts
edited by and Yan Gao
submission deadline 31 Oct 2026 | 1 articles | Viewed by 480 | Submission Open
Keywords: metal doping; non-metal doping; catalyst modification; environmental catalysis; renewable energy
(This special issue belongs to the Section Catalytic Materials)
From Photocatalysts to Photoreactors: Scalable and Sustainable Technologies for Water Treatment submission deadline 31 Oct 2026 | 1 articles | Viewed by 436 | Submission Open
Keywords: heterogeneous photocatalysis; photocatalytic reactors; wastewater treatment; sustainable water treatment; emerging contaminants
(This special issue belongs to the Section Photocatalysis)
Photocatalytic Energy Conversion: From Photocatalytic Water Splitting for Hydrogen Production to PV–Catalysis Synergistic Energy Generation
edited by Taieb Seddik and Mohammed Batouche
submission deadline 31 Oct 2026 | Viewed by 404 | Submission Open
Keywords: photocatalytic water splitting; hydrogen production; solar-to-hydrogen conversion; photocatalysis; semiconductor photocatalysts; bandgap engineering; charge carrier dynamics; electron– hole recombination; cocatalysts; surface reaction kinetics; heterojunctions; Z-scheme systems; S-scheme photocatalysis; photoelectrochemical (PEC) water splitting; PV– catalysis; photovoltaic– catalytic integration; tandem solar fuel systems; surface/interface engineering; stability and durability; photocatalytic reactor design; scale-up and industrial applications; in situ/operando characterization; theoretical modeling and simulation
(This special issue belongs to the Section Photocatalysis)
Environmental Functional Materials for Catalytic Degradation of Emerging Contaminants
edited by , Jing Deng and Mengyuan Xu
submission deadline 31 Oct 2026 | 1 articles | Viewed by 336 | Submission Open
Keywords: catalytic degradation; advanced oxidation processes (AOPs); UV-based technology; photocatalysis; emerging contaminants; biochar; water/wastewater treatment
(This special issue belongs to the Section Environmental Catalysis)
Tribocatalytic Utilization of Mechanical Energy by Materials and Technologies for Energy and Environmental Challenges
edited by and
submission deadline 31 Oct 2026 | Viewed by 331 | Submission Open
Keywords: tribocatalysis; dye degradation; CO2 reduction; wastewater treatment; AOP
Electrocatalysts for Environmental Remediation and Energy Conversion
edited by
submission deadline 31 Oct 2026 | Viewed by 256 | 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)
Catalytic Conversion of Waste Resources for Sustainable Energy and a Cleaner Environment
edited by
submission deadline 31 Oct 2026 | Viewed by 174 | Submission Open
Keywords: catalytic transformation; low-carbon molecules; waste resources; sustainable catalysis; circular economy; cleaner environment
(This special issue belongs to the Section Catalysis for Sustainable Energy)
g-C3N4-Based Photocatalysts: Innovations and Prospects
edited by
submission deadline 31 Oct 2026 | Viewed by 144 | Submission Open
Keywords: g-C3N4; graphitic carbon nitride; photocatalysts; visible light; 2D materials; modification methods
(This special issue belongs to the Section Photocatalysis)
From Performance to Mechanism: Operando Insights in Environmental Catalysis submission deadline 31 Oct 2026 | Viewed by 141 | Submission Open
Keywords: operando catalysis; in situ characterization; time-resolved spectroscopy; environmental catalysis; photocatalysis; advanced oxidation processes (AOPs); charge transfer mechanisms; reactive intermediates; structure-function relationships; interfacial processes
(This special issue belongs to the Section Environmental Catalysis)
Architecting a Carbon-Neutral Future: Nanoscale Breakthroughs in Oxygen Reduction (ORR), Hydrogen Evolution (HER), and CO2 Reduction (CO2RR)
edited by
submission deadline 31 Oct 2026 | Viewed by 124 | Submission Open
Keywords: electrocatalysis; oxygen reduction reaction (ORR); hydrogen evolution reaction (HER); CO2 reduction reaction (CO2RR); carbon capture and utilization (CCU); single-atom catalysts (SACs); reaction selectivity & kinetics; operando spectroscopy; green hydrogen production; sustainable fuels
(This special issue belongs to the Section Electrocatalysis)
Recent Advances in Enzyme Catalysis and Enzyme Engineering
edited by Zhi Wang
submission deadline 31 Oct 2026 | Viewed by 123 | Submission Open
Keywords: enzyme catalysis; enzyme engineering; biocatalysis; enzyme immobilization; molecular enzyme; enzyme design; chemoenzymatic synthesis
(This special issue belongs to the Section Biocatalysis)
Advanced Photocatalytic Technology in Environmental Remediation and Energy Conversion submission deadline 31 Oct 2026 | Viewed by 86 | Submission Open
Keywords: photocatalysis; heterogeneous photocatalysis; homogeneous photocatalysis; photocatalytic semiconductor; redox reaction; energy conversion; environmental remediation
(This special issue belongs to the Section Photocatalysis)
Recent Advances in Environment and Energy Catalysis, 2nd Edition
edited by
submission deadline 31 Oct 2026 | Viewed by 74 | Submission Open
Keywords: CO2 reduction; NH3-SCR; VOC combustion; HER; HDS; OER; fuel cells
(This special issue belongs to the Section Catalysis for Sustainable Energy)
Catalytic Conversion of Biomass and Its Waste Derivatives to Advance Sustainable Development
edited by Lingqin Shen
submission deadline 31 Oct 2026 | Viewed by 50 | Submission Open
Keywords: biomass catalysis; waste valorization; renewable resources; lignocellulosic biomass; green chemistry; heterogeneous catalysis; biorefinery; sustainable fuels; photocatalysis; electrocatalysis
(This special issue belongs to the Section Biomass Catalysis)
Photocatalysis- and Electrocatalysis-Enhanced Nitrogen Removal in Aquatic Environments
edited by and Weifang Chen
submission deadline 31 Oct 2026 | Viewed by 44 | Submission Open
Keywords: photocatalysis; electrocatalysis; electrode; nitrogen removal; reaction pathway
(This special issue belongs to the Section Environmental Catalysis)
CO, VOCs, NOx, and Soot Emission Control submission deadline 1 Nov 2026 | Viewed by 142 | Submission Open
Keywords: CO; VOCs; NOx; soot; diesel particulate filter (DPF); selective catalytic reduction (SCR); diesel oxidation catalyst (DOC); emission control system
(This special issue belongs to the Section Environmental Catalysis)
Carbon-Based Materials Catalysts for Energy and Hydrogen Productions
edited by Kai Deng
submission deadline 10 Nov 2026 | 2 articles | Viewed by 5369 | Submission Open
Keywords: carbon-based catalysts; electrochemical water splitting; photocatalytic water splitting; sustainable catalysis; renewable energy conversion; CO2 utilization; heteroatom doping; biomass conversion
(This special issue belongs to the Section Catalytic Materials)
Photocatalytic Pollutant Degradation: New Materials and Remediation Strategies
edited by and
submission deadline 10 Nov 2026 | Viewed by 100 | Submission Open
Keywords: photocatalysis; heterogeneous photocatalysis; environmental remediation; emerging contaminants; PFAS; micro-nanoplastic; cadmium; semiconductor photocatalysts; advanced oxidation processes; water treatment
(This special issue belongs to the Section Photocatalysis)
Catalysis for Sustainable Hydrogen Production: Ammonia Decomposition, Photocatalysis, and Electrolyser Technologies submission deadline 10 Nov 2026 | Viewed by 94 | Submission Open
Keywords: green hydrogen production; ammonia cracking; catalytic electrolysis; photocatalytic water splitting; electrocatalysts; sustainable catalysis; hydrogen energy conversion
(This special issue belongs to the Section Catalysis for Sustainable Energy)
Applications of Catalysis in Organic Chemistry: Sustainable Catalysts for Sustainable Processes
edited by
submission deadline 15 Nov 2026 | 6 articles | Viewed by 9325 | Submission Open
Keywords: sustainable catalysis; green chemistry; CO2 conversion; bio-derived catalysts; renewable materials; ecofriendly organic synthesis
(This special issue belongs to the Section Catalysis in Organic and Polymer Chemistry)
Noble Metal Catalysts: Pioneering Breakthrough in Chemical Catalysis
edited by
submission deadline 15 Nov 2026 | Viewed by 694 | Submission Open
Keywords: noble metals; Pt; Pd; Rh; Ru; Au; Ag; Ir; and Os; noble metal-supported catalysts; silica; Alumina; Titania; and Zirconia; microporous zeolites; AlPO4; SAPO-5; SAPO-34; and SAPO-41; structured mesoporous materials; MCM-41; MCM-48; and MCM-50; SBA-15 and SBA-16; methods of noble metal modifications; catalyst synthesis and catalyst characterization; bulk; fine; and specialty chemical synthesis; petroleum refinery processes; exhaust emission control; water purification; reaction mechanisms; catalyst deactivation and regeneration
(This special issue belongs to the Section Catalytic Materials)
Biochar-Based Materials Applied in Advanced and Sustainable (Photo)Catalysis Processes
edited by Jelena Beljin and
submission deadline 15 Nov 2026 | Viewed by 358 | Submission Open
Keywords: biochar; (photo)catalysis; sustainability; environmental protection; advanced oxidation technology; nanomaterials; organic pollutants
(This special issue belongs to the Section Biomass Catalysis)
Enzyme and Biocatalysis Application, 2nd Edition submission deadline 15 Nov 2026 | Viewed by 177 | Submission Open
Keywords: enzyme production; enzyme purification; biocatalysis; optimization; lipase; cellulase; protease; amylase; biofuels; enzymatic-catalyzed synthesis; enzyme immobilization; biomass utilization; environmental protection; glucosidase; biotransformation; enzymatic kinetics; ultrasound-assisted enzymatic reaction; bio-reactor; enzymatic-assisted extraction; experimental design; response surface methodology (RSM)
(This special issue belongs to the Section Biocatalysis)
Catalysis in Nanostructured Transition Metal Oxide Semiconductors submission deadline 15 Nov 2026 | Viewed by 135 | Submission Open
Keywords: transition-metal oxides; semiconductors; photocatalysts; nanomaterials; doping; heterostructure
(This special issue belongs to the Section Catalytic Materials)
Construction of Novel Heterojunction Photocatalytic Systems and Their Synergistic Enhancement Mechanism in Photocatalytic Water Splitting submission deadline 20 Nov 2026 | Viewed by 154 | Submission Open
Keywords: heterojunction photocatalysts; photocatalytic water splitting; H2 production; Z-scheme/S-scheme heterojunction; interface engineering; cocatalyst engineering; photocatalyst stability
(This special issue belongs to the Section Photocatalysis)
15th Anniversary of Catalysts—Industrial Development of Catalytic Materials for the Energetic Transition submission deadline 30 Nov 2026 | 7 articles | Viewed by 5692 | Submission Open
Keywords: catalysts for energetic transition; electrocatalysts for energetic transition; biofuels; e-fuels; hydrogen adsorption; activation and evolution; hydrodeoxygenation catalysts; bioethanol conversion; catalytic pyrolysis; biogas conversion catalysts; CO2 hydrogenation catalysts
(This special issue belongs to the Section Industrial Catalysis)
Catalytic Transformation of Biomass: From Waste to Fuels, Chemicals and High-Value Products
edited by and
submission deadline 30 Nov 2026 | 3 articles | Viewed by 4385 | Submission Open
Keywords: biomass; fuels; chemicals; high value products; catalytic transformation
(This special issue belongs to the Section Biomass Catalysis)
Photocatalyzed and Electrochemical Processes for a Cleaner Environment, 2nd Edition submission deadline 30 Nov 2026 | 3 articles | Viewed by 3904 | Submission Open
Keywords: photocatalysis; electrocatalysis; advanced oxidation processes; photo-Fenton; electro-Fenton; water splitting; CO2 reduction; electrochemical cells; photoelectrochemical cells (PECs); photocatalysts development; plasmonic photocatalysis; life cycle assessment (LCA); electrorefinery; electrocoagulation; hydrogen production; green hydrogen; E-fuels; photoreactors
(This special issue belongs to the Section Photocatalysis)
Photo(electro)catalysts Green Chemistry, Environmental Pollution, and Energy Applications
edited by and Hong Li
submission deadline 30 Nov 2026 | 1 articles | Viewed by 3376 | Submission Open
Keywords: green chemistry; electrocatalysts; photocatalysts; surface and interfacial chemistry; theoretical studies in situ/operando characterizations; energy devices
(This special issue belongs to the Section Photocatalysis)
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