OOIR: Observatory of International Research

Papers

(The H4-Index of Catalysts is 59. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Photocatalytic CO2 Reduction Coupled with Alcohol Oxidation over Porous Carbon Nitride	432
Use of Nicotinamide Mononucleotide as Non-Natural Cofactor	262
Surfactant-Assisted Manipulation of CeO2@poly(acrylic Acid-Co-Acryl Amide) Nanocomposite for Visible-Light-Driven Persulfate-Activated Photocatalytic Oxidation of Organic Pollutants from Wastewater	198
Defect-Rich Co(OH)2 Induced by Carbon Dots for Oxygen Evolution Reaction	184
Calcination Temperature-Induced Morphology Transformation in WO3 Flower-like Thin Films for Photocatalytic Wastewater Treatment	182
Catalysis in Biofuel Production and Biomass Valorization: Trends, Challenges, and Innovations Through a Bibliometric Analysis	165
Advancements in the Esterification of Phytosterols Catalyzed by Immobilized Lipase	127
Synthesis of Sustainable γ-Alumina Catalyst/Catalyst Support from Aluminum Can Waste: Study of the Influence of Reaction Temperature	126
Optimization of the Full Hydrolysis of Babassu Oil by Combi-Lipases	117
The Elimination of N-Chloropiperidine in Aqueous Solution by Using Ni/NiO-C3N4 Under Visible Light Illumination	116
Carbon-Coated Cobalt-Catalyzed Hydrodeoxygenation of Lipids to Alcohols	110
Efficient Hydrogen Production by Aqueous Phase Reforming of Ethylene Glycol over Ni-W Catalysts with Enhanced C-C Bond Cleavage Activity	108
Catalytic Applications of Natural Iron Oxides and Hydroxides: A Review	106
Cutinases: Characteristics and Insights in Industrial Production	106
Design and Optimization of Laccase Immobilization in Cellulose Acetate Microfiltration Membrane for Micropollutant Remediation	104
Functionalized Graphene-Incorporated Cupric Oxide Charge-Transport Layer for Enhanced Photoelectrochemical Performance and Hydrogen Evolution	97
The Effect of Arsenic on the Photocatalytic Removal of Methyl Tet Butyl Ether (MTBE) Using Fe2O3/MgO Catalyst, Modeling, and Process Optimization	97
Technology Advances in Phenol Removals: Current Progress and Future Perspectives	97
AgNPs Embedded in Porous Polymeric Framework: A Reusable Catalytic System for the Synthesis of α-Alkylidene Cyclic Carbonates and Oxazolidinones via Chemical Fixation of CO2	91
More than One Century of History for Photocatalysis, from Past, Present and Future Perspectives	89
Synthesis of Polysubstituted 1,2-Dihydro-3H-pyrrolo[1,2-a]indol-3-ones through Domino Palladium-Catalyzed Reactions of Indol-2-ylmethyl Acetates with 1,3-Dicarbonyl Derivatives	86
The Comparison of Metal Doped TiO2 Photocatalytic Active Fabrics under Sunlight for Waste Water Treatment Applications	84
Visible-Light-Driven α-C(sp3)–H Bond Functionalization of Glycine Derivatives	82
Developing Multifunctional Fe-Based Catalysts for the Direct Hydrogenation of CO2 in Power Plant Flue Gas to Light Olefins	81
Chemoenzymatic Synthesis of Optically Active Alcohols Possessing 1,2,3,4-Tetrahydroquinoline Moiety Employing Lipases or Variants of the Acyltransferase from Mycobacterium smegmatis	80

Propane Dehydrogenation on Co-N-C/SiO2 Catalyst: The Role of Single-Atom Active Sites	79
Rh-Catalyzed Reductive Amination of Undecanal in an Aqueous Microemulsion System Using a Non-Ionic Surfactant	78
Removal of Organics from Landfill Leachate by Heterogeneous Fenton-like Oxidation over Copper-Based Catalyst	77
Dynamics of Diffusion- and Immobilization-Limited Photocatalytic Degradation of Dyes by Metal Oxide Nanoparticles in Binary or Ternary Solutions	77
Acid Gas and Tar Removal from Syngas of Refuse Gasification by Catalytic Reforming	75
Effect of Binding Modules Fused to Cutinase on the Enzymatic Synthesis of Polyesters	73
Synthesis of Tungsten-Modified Sn3O4 through the Cetyltrimethylammonium Bromide-Assisted Solvothermal Method for Dye Decolorization under Visible Light Irradiation	73
Experimental Study of Catalytically Enhanced Cyclic Steam-Air Stimulation for In Situ Hydrogen Generation and Heavy Oil Upgrading	73
Partially Reduced Ni-NiO-TiO2 Photocatalysts for Hydrogen Production from Methanol–Water Solution	73
Aquathermolysis of Heavy Crude Oil: Comparison Study of the Performance of Ni(CH3COO)2 and Zn(CH3COO)2 Water-Soluble Catalysts	72
Ternary PdIrNi Telluride Amorphous Mesoporous Nanocatalyst for Efficient Electro-Oxidation of Ethylene Glycol	71
A Unique Dual-Shell Structure with Highly Active Ni@SiC/CNT/CNF Microwave Catalysts	70
Influence of Secondary Porosity Introduction via Top-Down Methods on MOR, ZSM-5, and Y Zeolites on Their Cumene Cracking Performance	69
Glucose Isomerization to Fructose Catalyzed by MgZr Mixed Oxides in Aqueous Solution	68
Effect of Calcination Conditions on Co3O4 Catalysts in the Total Oxidation of Toluene and Propane	68
Borate Anion Dopant Inducing Oxygen Vacancies over Co3O4 Nanocages for Enhanced Oxygen Evolution	68
First Two-Way Electrochemical Sensor for the Detection of the Pollutant 2,4-Dinitrophenylhydrazine and Its Metabolite Based on Cu-Containing Tungstophosphate and Graphene Oxide	67
Recent Progress in the Use of SnO2 Quantum Dots: From Synthesis to Photocatalytic Applications	67
Sludge Recycling from Non-Lime Purification of Electrolysis Wastewater: Bridge from Contaminant Removal to Waste-Derived NOX SCR Catalyst	67
Metal-Organic Framework-Derived Atomically Dispersed Co-N-C Electrocatalyst for Efficient Oxygen Reduction Reaction	66
Emissions of Euro 6 Mono- and Bi-Fuel Gas Vehicles	65
Effect of B4C/Gr on Hardness and Wear Behavior of Al2618 Based Hybrid Composites through Taguchi and Artificial Neural Network Analysis	64
Biogas Upgrading by CO2 Methanation with Ni-, Ni–Fe-, and Ru-Based Catalysts	63
Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth	63
Ru-Catalyzed One-Pot Synthesis of Heterocyclic Backbones	63
UiO-67 Metal–Organic Framework as Advanced Adsorbent for Antiviral Drugs from Water Environment	62
Mitigating Co Metal Particle Agglomeration and Enhancing ORR Catalytic Activity through Nitrogen-Enriched Porous Carbon Derived from Biomass	62
Recent Advances of PtCu Alloy in Electrocatalysis: Innovations and Applications	62
The Immobilization of β-Galactosidase on Glass Fiber Rolls	62
Green Catalysts and/or Green Solvents for Sustainable Multi-Component Reactions	60
Mechanistic and Compositional Aspects of Industrial Catalysts for Selective CO2 Hydrogenation Processes	60
Synthesis of Indigo-Dyes from Indole Derivatives by Unspecific Peroxygenases and Their Application for In-Situ Dyeing	60
The Effect of Catalyst Placement on the Stability of a U-Bend Catalytic Heat-Recirculating Micro-Combustor: A Numerical Investigation	59
Synthesis and Performance of Photocatalysts for Photocatalytic Hydrogen Production: Future Perspectives	59