OOIR: Observatory of International Research

Papers

(The H4-Index of Catalysts is 60. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Raspberry Colloid Templated Catalysts Fabricated Using Spray Drying Method	405
Efficient Catalysts of Ethanol Steam Reforming Based on Perovskite-Fluorite Nanocomposites with Supported Ni: Effect of the Synthesis Methods on the Activity and Stability	274
Selective Oxidation of Furfural at Room Temperature on a TiO2-Supported Ag Catalyst	246
Investigating the Effects of Organonitrogen Types on Hydrodearomatization Reactions over Commercial NiMoS Catalyst	189
Pt/CeMnOx/Diatomite: A Highly Active Catalyst for the Oxidative Removal of Toluene and Ethyl Acetate	159
Hydride Generation on the Cu-Doped CeO2(111) Surface and Its Role in CO2 Hydrogenation Reactions	157
Molten Salt-Assisted Catalytic Preparation of MoS2/α-MoO3/Graphene as High-Performance Anode of Li-Ion Battery	145
Squaramide-Catalyzed Asymmetric Michael Addition Reaction of α-Azidoindanones with Azadienes	145
Chitosan Capped Copper Oxide Nanocomposite: Efficient, Recyclable, Heterogeneous Base Catalyst for Synthesis of Nitroolefins	139
Study of the Reaction Pathways for the Hydrogenation of Quinoline over Nickel Phosphide Catalysts	133
Chalcogenides and Chalcogenide-Based Heterostructures as Photocatalysts for Water Splitting	125
Emission Control of Toluene in Iron Ore Sintering Using Catalytic Oxidation Technology: A Critical Review	119
Photocatalytic Filtration of Zinc Oxide-Based Membrane with Enhanced Visible Light Responsiveness for Ibuprofen Removal	117
Biodegradation of Congo Red Using Co-Culture Anode Inoculum in a Microbial Fuel Cell	110
Catalytic Dehydrogenative Cracking of C4 Hydrocarbons on a Bifunctional Metal–Acid Catalyst	110
Green Synthesis of Magnesium Oxide Nanoparticles and Nanocomposites for Photocatalytic Antimicrobial, Antibiofilm and Antifungal Applications	106
Recyclable Ni-Containing Coordination Polymer as an Efficient Catalyst for the Synthesis of Oxindole and Quinoline Derivatives through the Borrowing Hydrogen Strategy	98
“Doing More with Less”: Ni(II)@ORMOSIL, a Novel Sol-Gel Pre-Catalyst for the Reduction of Nitrobenzene	98
Boosting the H2 Production Efficiency via Photocatalytic Organic Reforming: The Role of Additional Hole Scavenging System	95
Research on Modified Carbon Nanotubes in Wastewater Treatment	92
Catalytic Dual Inhibition Pathways in N- and S-Modified LDHs: Metal Hydroxide Layers Versus N/S Functional Groups for Catalytically Inhibiting Chlorobenzene Formation During Waste Incineration	90
Nanoparticle–Hydrogel Based Sensors: Synthesis and Applications	90
Anticancer Asparaginases: Perspectives in Using Filamentous Fungi as Cell Factories	87
Visible Light Induced Nano-Photocatalysis Trimetallic Cu0.5Zn0.5-Fe: Synthesis, Characterization and Application as Alcohols Oxidation Catalyst	86
Tetranuclear Copper Complexes with Bulky Aminoalcohol Ligands as Catalysts for Oxidative Phenoxazinone Synthase-like Coupling of Aminophenol: A Combined Experimental and Theoretical Study	85

Single-Atom-Based Catalysts for Photocatalytic Water Splitting on TiO2 Nanostructures	84
Activated Bentonite Nanocomposite for the Synthesis of Solketal from Glycerol in the Liquid Phase	83
Transition Metal-Catalyzed and MAO-Assisted Olefin Polymerization; Cyclic Isomers of Sinn’s Dimer Are Excellent Ligands in Iron Complexes and Great Methylating Reagents	80
A Comparative Study on the Effect of Surface and Bulk Sulfates on the High-Temperature Selective Catalytic Reduction of NO with NH3 over CeO2	80
Role of Chiral Skeleton in Chiral Phosphoric Acids Catalyzed Asymmetric Transfer Hydrogenation: A DFT Study	80
Preparation of PdCu Catalyst and the Catalytic Degradation of Methylene Blue and Rhodamine B with PMS	80
PtCu Nanoparticle Catalyst for Electrocatalytic Glycerol Oxidation: How Does the PtCu Affect to Glycerol Oxidation Reaction Performance by Changing pH Conditions?	79
High-Efficiency Biodiesel Production Using ZnO-Modified Starfish-Based Catalysts	78
Development of Silicon Carbide-Supported Palladium Catalysts and Their Application as Semihydrogenation Catalysts for Alkynes under Batch- and Continuous-Flow Conditions	76
A Green Nanocatalyst for Fatty Acid Methyl Ester Conversion from Waste Cooking Oil	76
Boosted Catalytic Performance of Ni2Co2@T-PMo@ZIF-67 for Glucose Oxidation in a Direct-Glucose Fuel Cell	76
CuS-Based Nanostructures as Catalysts for Organic Pollutants Photodegradation	74
The Emerging Career of Strontium Titanates in Photocatalytic Applications: A Review	74
Preparation and Screening of Ni-Based Catalysts for the Olive Oil Mill Wastewater Steam Reforming Process	73
Experimental Design and Numerical Optimization of Photochemical Oxidation Removal of Tetracycline from Water Using Fe3O4-Supported Fruit Waste Activated Carbon	73
Pd Catalysts Based on C3N4-Modified Activated Carbon Derived from Biomass Residues for the Dehydrogenation of Formic Acid	73
Immobilization of TiO2 Photocatalysts for Water Treatment in Geopolymer Based Coatings	71
Removing the Oxamyl from Aqueous Solution by a Green Synthesized HTiO2@AC/SiO2 Nanocomposite: Combined Effects of Adsorption and Photocatalysis	69
Whole-Cell PVA Cryogel-Immobilized Microbial Consortium LE-C1 for Xanthan Depolymerization	69
Palladium-Catalyzed Domino Cycloisomerization/Double Condensation of Acetylenic Acids with Dinucleophiles	68
Ce1−xSnxO2 Catalysts Prepared with Combustion Method for Catalytic Combustion of Ethyl Acetate	68
Insights into SnO2 Nanoparticles Supported on Fibrous Mesoporous Silica for CO Catalytic Oxidation	68
Modelling and Optimisation of the Sol-Gel Conditions for Synthesis of Semi-Hexagonal Titania-Based Nano-Catalyst for Esterification Reaction	65
Green Synthesis of Flowerball-like MoS2/VC Nanocomposite and Its Efficient Catalytic Performance for Oxygen Reduction Either in Alkaline or Acid Media	65
Impacts of Ni-Loading Method on the Structure and the Catalytic Activity of NiO/SiO2-Al2O3 for Ethylene Oligomerization	64
Role of Electronic and Steric Effects on Ruthenium Catalysts with Bulky NHC Ligands and Relationship with the Z-Selectivity in Olefin Metathesis	64
Towards Photothermal Acid Catalysts Using Eco-Sustainable Sulfonated Carbon Nanoparticles—Part I: Synthesis, Characterization and Catalytic Activity towards Fischer Esterification	64
Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth	64
Optimization of an Open-Cell Foam-Based Ni-Mg-Al Catalyst for Enhanced CO2 Hydrogenation to Methane	63
Significant Effects of Adding Mode on Low-Temperature De-NOx Performance and SO2 Resistance of a MnCeTiOx Catalyst Prepared by the Co-Precipitation Method	63
Construction of ZnCdS Quantum-Dot-Modified CeO2 (0D–2D) Heterojunction for Enhancing Photocatalytic CO2 Reduction and Mechanism Insight	61
Immobilization and Kinetic Properties of ß-N-Acetylhexosaminidase from Penicillium oxalicum	61
The Influence of Au Loading and TiO2 Support on the Catalytic Wet Air Oxidation of Glyphosate over TiO2+Au Catalysts	60
Mn-Based Catalysts in the Selective Reduction of NOx with CO: Current Status, Existing Challenges, and Future Perspectives	60
In Situ Growth of Mn-Co3O4 on Mesoporous ZSM-5 Zeolite for Boosting Lean Methane Catalytic Oxidation	60
Investigating the Catalytic Deactivation of a Pd Catalyst during the Continuous Hydrogenation of CO2 into Formate Using a Trickle-Bed Reactor	60