OOIR: Observatory of International Research

Papers

(The H4-Index of Green Energy & Environment is 54. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Front Cover	554
Back Cover	214
Polysulfide nanoparticles-reduced graphene oxide composite aerogel for efficient solar-driven water purification	201
MOF membrane boosts electrocatalytic nitrogen reduction on perovskite oxides	192
MOFs derived FeNi3 nanoparticles decorated hollow N-doped carbon rod for high-performance oxygen evolution reaction	176
Harnessing tunable lignin-based carbon quantum dots for sustainable water purification	176
Semi-closed synthesis of nitrogen and oxygen Co-doped mesoporous carbon for selective aqueous oxidation	173
CdS-Enzyme Composite Promotes Photobiocatalytic Conversion of Plastic-derived Lactate to Chiral Chemicals	166
2,6-Diaminoanthraquinone modified MXene (Ti3C2T )/graphene as the negative electrode materials for ionic liquid-based asymmetric supercapacitors	118
Cell-free biocatalysis coupled with photo-catalysis and electro-catalysis: Efficient CO2-to-chemical conversion	115
Bimetallic catalysts as electrocatalytic cathode materials for the oxygen reduction reaction in microbial fuel cell: A review	110
CoSnO3/C nanocubes with oxygen vacancy as high-capacity cathode materials for rechargeable aluminum batteries	104
Dual-selective silver recovery strategy by simultaneous adsorption-reduction boosted by in-situ magnetic field	100
CAOSA-extracted lignin improves enzymatic hydrolysis of cellulose	100
An efficient and mild recycling of waste melamine formaldehyde foams by alkaline hydrolysis	98
Contents	97
Freestanding and Flexible CNT/Si/Metal Electrodes for High Energy Density Lithium-Ion Batteries with Enhanced Electrochemical Performance	94
Influence of MnOx deposition on TiO2 nanotube arrays for electrooxidation	91
Enhanced CO2 methanation through electronic modification of Ru to Ni in Ni–Al hydrotalcite-derived catalysts	86
Long-cycling and dendrite-free lithium metal anodes via salt chemistry	86
Biomass-based N doped carbon as metal-free catalyst for selective oxidation of d-xylose into d-xylonic acid	85
Tuning composite solid-state electrolyte interface to improve the electrochemical performance of lithium-oxygen battery	84
Mixed plastics waste valorization to high-added value products via thermally induced phase separation and spin-casting	81
The feasibility study of the indium oxide supported silver catalyst for selective hydrogenation of CO2 to methanol	80
Integration of pore structure modulation and B, N co-doping for enhanced capacitance deionization of biomass-derived carbon	78

Construction of truncated-octahedral LiMn2O4 for battery-like electrochemical lithium recovery from brine	77
Recyclable Fe3O4@Polydopamine (PDA) nanofluids for highly efficient solar evaporation	76
Construction of Pd-doped RuO2 nanosheets for efficient and stable acidic water oxidation	76
Improving the stability, lithium diffusion dynamics, and specific capacity of SrLi2Ti6O14 via ZrO2 coating	74
Front Cover	73
Acetone-Mediated Glucose Isomerization over a ZrO2-NC Composite Catalyst	72
Insight into Properties and Structures of Ionic Liquids by Machine Learning Molecular Dynamics Simulation	72
Ferric acetylacetonate/covalent organic framework composite for high performance photocatalytic oxidation	68
Carbonized waste milk powders as cathodes for stable lithium–sulfur batteries with ultra-large capacity and high initial coulombic efficiency	67
Conversion of Au(III)-polluted waste eggshell into functional CaO/Au nanocatalyst for biodiesel production	66
The Need to Consider Regional Supply Chains and Water Usage in H2-Steel Transition	65
Unusual thermal properties of graphene origami crease: A molecular dynamics study	65
Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications	64
Breaking the temperature limit of hydrothermal carbonization of lignocellulosic biomass by decoupling temperature and pressure	63
Advances in the structure design of substrate materials for zinc anode of aqueous zinc ion batteries	63
Front Cover	63
Surface-enhanced light harvesting over MOF-derived porous ZnO films for highly efficient QDs-based photoelectrochemical hydrogen generation	63
3D inner-outer asymmetric sponge for enormous-volume emulsion wastewater treatment based on a new “demulsification-transport” mechanism	59
Contents	59
Back Cover	59
Front Cover	58
Robust Ambient-Stable 2D Heterostructure of Copper Oxides Intercalating Black Phosphorus for Flame Retardancy and Catalytic Removal of Carbon Monoxide	57
Contents	57
Boosting charge transfer of BiOBr/AgBr S-scheme heterojunctions via interface Br atom co-sharing for enhanced visible-light photocatalytic activity	56
Catalyst design strategy toward the efficient heterogeneously-catalyzed selective oxidation of 5-hydroxymethylfurfural	56
Pyridinic-N doping carbon layers coupled with tensile strain of FeNi alloy for activating water and urea oxidation	56
Grapevine-like high entropy oxide composites boost high-performance lithium sulfur batteries as bifunctional interlayers	54
Increasing the greenness of an organic acid through deep eutectic solvation and further polymerisation	54
NMR diffusion analysis of catalytic conversion mixtures from lignocellulose biomass using PSYCHE-iDOSY	54