OOIR: Observatory of International Research

Papers

(The H4-Index of Catalysts is 61. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Hydrogenation of Simulated Bio-Syngas in the Presence of GdBO3 (B = Fe, Co, Mn) Perovskite-Type Oxides	444
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	295
The Reaction Mechanism of the Cu(I) Catalyzed Alkylation of Heterosubstituted Alkynes	276
1,4-Butanediol Selective Dehydration to 3-Butene-1-ol over Ca–Zr–Sn Composite Oxide Catalysts	205
Nepenthes mirabilis Fractionated Pitcher Fluid Use for Mixed Agro-Waste Pretreatment: Advocacy for Non-Chemical Use in Biorefineries	178
The Inorganic Perovskite-Catalyzed Transfer Hydrogenation of Cinnamaldehyde Using Glycerol as a Hydrogen Donor	167
Novel Heterostructures of Noble Plasmonic Metals/Ga-Substituted Hydrotalcite for Solar Light Driven Photocatalysis toward Water Purification	152
Catalytic Wood Fractionation into Chemicals in Supercritical Ethanol and n-Heptane: Potential and Limitations	151
Versatile Bifunctional and Supported IrNi Oxide Catalyst for Photoelectrochemical Water Splitting	148
N Simultaneously Doped TiO2@Carbon Hollow Spheres with Enhanced Photocatalytic CO2 Reduction Activity	143
Fabrication of Stable Cu-Ce Catalyst with Active Interfacial Sites for NOx Elimination by Flame Spray Pyrolysis	136
Ce1−xSnxO2 Catalysts Prepared with Combustion Method for Catalytic Combustion of Ethyl Acetate	133
Role of Electronic and Steric Effects on Ruthenium Catalysts with Bulky NHC Ligands and Relationship with the Z-Selectivity in Olefin Metathesis	130
Density Functional Theory Study of the Regioselectivity in Copolymerization of bis-Styrenic Molecules with Propylene Using Zirconocene Catalyst	129
Whole-Cell PVA Cryogel-Immobilized Microbial Consortium LE-C1 for Xanthan Depolymerization	120
Significant Effects of Adding Mode on Low-Temperature De-NOx Performance and SO2 Resistance of a MnCeTiOx Catalyst Prepared by the Co-Precipitation Method	117
The Improved para-Selective C(sp2)-H Borylation of Anisole Derivatives Enabled by Bulky Lewis Acid	117
Immobilization of TiO2 Photocatalysts for Water Treatment in Geopolymer Based Coatings	109
Characterization of a Novel Thermostable and Alkaliphilic β-Mannanase for Gel-Breaking in Guar Gum Fracturing Fluids	107
Constructing Hydrazone-Linked Chiral Covalent Organic Frameworks with Different Pore Sizes for Asymmetric Catalysis	104
Catalytic Fluorination with Modern Fluorinating Agents: Recent Developments and Synthetic Scope	103
The Catalytic Consequence of Isolated Ni Single-Atoms in BEA Zeolite for Hydrogen Production and Olefin Conversion	100
Application of Fused Filament Fabrication in Preparation of Ceramic Monolithic Catalysts for Oxidation of Gaseous Mixture of Volatile Aromatic Compounds	92
Graphitic Carbon Nitride-Based S-Scheme Heterojunctions: Recent Advances in Photocatalytic Dye Degradation	91
Cocatalyst-Tipped One-Dimensional Nanorods for Enhanced Photocatalytic Hydrogen Production	88

Enhanced Catalytic Ozonation of Formaldehyde over MOFs- Derived MnOx Catalysts with Diverse Morphologies: The Role of Oxygen Vacancies	88
Preparation and Screening of Ni-Based Catalysts for the Olive Oil Mill Wastewater Steam Reforming Process	87
Nickel-Decorated Carbocatalysts for the UV-Driven Photodegradation of Rhodamine B	87
Natural Pyrolusite-Catalyzed Ozonation for Nanoplastics Degradation	87
Synthesis of New Phenoxide-Modified Half-Titanocene Catalysts for Ethylene Polymerization	83
Improving Effects of Laccase-Mediated Pectin–Ferulic Acid Conjugate and Transglutaminase on Active Peptide Production in Bovine Lactoferrin Digests	82
The Effect of Cu(II) Nanoparticle Decoration on the Electron Relaxations and Gaseous Photocatalytic Oxidations of Nanocrystalline TiO2	82
Advancing Green Hydrogen Purity with Iron-Based Self-Cleaning Oxygen Carriers in Chemical Looping Hydrogen	82
Construction of ZnCdS Quantum-Dot-Modified CeO2 (0D–2D) Heterojunction for Enhancing Photocatalytic CO2 Reduction and Mechanism Insight	81
Non-Conventional Synthesis and Repetitive Application of Magnetic Visible Light Photocatalyst Powder Consisting of Bi-Layered C-Doped TiO2 and Ni Particles	81
Immobilization and Kinetic Properties of ß-N-Acetylhexosaminidase from Penicillium oxalicum	80
In Situ Growth of Mn-Co3O4 on Mesoporous ZSM-5 Zeolite for Boosting Lean Methane Catalytic Oxidation	79
Extended Hydrogen-Bonded Molybdenum Arrays Derived from Carboxylic Acids and Dianilines: ROP Capability of the Complexes and Parent Acids and Dianilines	78
Synthesis and Characterization of Fe Doped Aurivillius-Phase PbBi2Nb2O9 Perovskite and Their Photocatalytic Activity on the Degradation of Methylene Blue	77
Efficient Catalysts of Ethanol Steam Reforming Based on Perovskite-Fluorite Nanocomposites with Supported Ni: Effect of the Synthesis Methods on the Activity and Stability	77
GPpred: A Novel Sequence-Based Tool for Predicting Glutamic Proteases Using Optimized Hybrid Encodings	76
Sustainable MgO Nanocatalyst Additives for Boosting Performance and Mitigating Emissions of Used Cooking Oil Biodiesel–Diesel Blends in Compression Ignition Engines	74
MIL-88-Derived N and S Co-Doped Carbon Materials with Supplemental FeSx to Enhance the Oxygen Reduction Reaction Performance	72
Cyanogel-Induced Synthesis of RuPd Alloy Networks for High-Efficiency Formic Acid Oxidation	72
Cobalt-Doped Iron Phosphate Crystal on Stainless Steel Mesh for Corrosion-Resistant Oxygen Evolution Catalyst	71
Crystal Contact Engineering for Enhanced Cross-Linking Efficiency of HheG Crystals	70
Effect of the Heterovalent Doping of TiO2 with Sc3+ and Nb5+ on the Defect Distribution and Photocatalytic Activity	69
Engineering Heterostructures of Layered Double Hydroxides and Metal Nanoparticles for Plasmon-Enhanced Catalysis	67
Study of the Hydrothermal-Catalytic Influence on the Oil-Bearing Rocks of the Usinskoye Oil Field	67
Chromium (III) Ions Were Extracted from Wastewater Effluent Using a Synergistic Green Membrane with a BinaryCombination of D2EHPA and Kerosene	67
Quantification of Internal Resistance Contributions of Sediment Microbial Fuel Cells Using Petroleum-Contaminated Sediment Enriched with Kerosene	67
Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth	66
Enhanced Effect of SO2-Induced Pt/CeZrTiO2 on the Catalytic Oxidation of C2H6	65
Selective Oxidation of Furfural at Room Temperature on a TiO2-Supported Ag Catalyst	64
Squaramide-Catalyzed Asymmetric Michael Addition Reaction of α-Azidoindanones with Azadienes	64
Catalytic Dehydrogenative Cracking of C4 Hydrocarbons on a Bifunctional Metal–Acid Catalyst	64
Study of the Reaction Pathways for the Hydrogenation of Quinoline over Nickel Phosphide Catalysts	64
Activated Bentonite Nanocomposite for the Synthesis of Solketal from Glycerol in the Liquid Phase	63
Towards Photothermal Acid Catalysts Using Eco-Sustainable Sulfonated Carbon Nanoparticles—Part I: Synthesis, Characterization and Catalytic Activity towards Fischer Esterification	62
Raspberry Colloid Templated Catalysts Fabricated Using Spray Drying Method	62
Palladium Nanoparticles Incorporated Fumed Silica as an Efficient Catalyst for Nitroarenes Reduction via Thermal and Microwave Heating	61
Optimization of an Open-Cell Foam-Based Ni-Mg-Al Catalyst for Enhanced CO2 Hydrogenation to Methane	61