OOIR: Observatory of International Research

Papers

(The H4-Index of Green Chemistry is 75. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Inside back cover	610
Inside front cover	356
Bioconversion of wastewater-derived cresols to methyl muconic acids for use in performance-advantaged bioproducts	244
Heuristic process prediction model for screening optimal green entrainers based on TAC and LCA impacts utilizing PSE concepts	227
Solvent-free Markovnikov hydroamination of vinylarenes with carboxamides: a heterogeneous catalytic approach using Hβ zeolite	213
Biobased sunscreen fabrication using Zn-porphyrins from engineered Corynebacterium glutamicum	192
Synthesis of biodegradable PGA-PBC-PGA triblock copolymers and closed-loop recycling via a thermal depolymerization strategy	173
Additive-free N-methylation reaction synergistically catalyzed by Pt single atoms and clusters on α-MoC using methanol as a sustainable C1 source	172
Cobalt-catalysed CH-alkylation of indoles with alcohols by borrowing hydrogen methodology	165
Visible-light-induced hydroxycarboxylation of α-trifluoromethylstyrenes to construct densely functionalized α-CF₃ tertiary alcohols	164
Wood-inspired dual-scale directional channel cellulose bioreactors with high mass transfer efficiency for continuous flow catalytic green conversion	155
Light-driven ultrafast dual C–C cleavage and coupling of dihydroxyacetone into high-purity carbon monoxide and ethylene glycol	155
1,2,3-Trimethoxypropane: a bio-sourced glyme as electrolyte for lithium–O₂ batteries	154
Energy and cost-saving potential of combined carbon capture and conversion: a pioneering design of a process intensification concept harnessing CeO₂ as a dual-functional material	150
Front cover	144
Oxygen-harvesting carbon dot photocatalysts for ambient tandem oxidative synthesis of quinazolin-4(3H)-ones	143
Hierarchical porous organometallic polymers enable industrial-level acidic CO₂ electroreduction	143
Organic carbonates as green media: from laboratory syntheses to industrial applications	139
Highly efficient sulfurized Re–Ir catalysts for multiple N-methylation of ethylenediamine and its homologous series with CO₂ and H₂ in water solvent	137
Voltage losses in indoor light harvesting organic photovoltaic devices: a case study of green solvent processed PM6/IT-4Cl devices	136
Characterization and molecular simulation of lignin in Cyrene pretreatment of switchgrass	136
Facile synthesis of Pd–Au/BNNS bimetallic catalysts for direct generation of H₂O₂ from H₂ and O₂ under environmentally friendly conditions	134
Copper-supported catalysts for sustainable PET depolymerization: a cost-effective approach towards dimethyl terephthalate (DMT) production	132
Long-lived triplet state carbon nitride (urea-CN_x) catalyzed metal-free photo-ATRP with oxygen acceleration	127
Natural deep eutectic solvent assisted synthesis and applications of chiral carbon dots	127

Weakening fibril–fibril interactions via an on-demand regulation of hemicellulose phase towards the facile disassembly of lignocellulose heterostructure into approaching native-state elementary	116
Atomically dispersed Co²⁺ on MgAlO_x boosting C_4–10 alcohols selectivity of ethanol valorization	113
Catalyst-free defluorinative alkylation of trifluoromethyls	109
Metal-free photocatalysis at charged aqueous interfaces: boosting the photocatalytic oxidative coupling of arylamines to azoaromatics under ambient conditions	109
Modular access to multi-substituted allenones via environmentally friendly organocatalytic C–H allenylation of aldehydes	108
Photocatalyst-free H₂O-regulated and regiodivergent multicomponent hydrogenation/bifunctional sulfonylation of alkynes	107
Ligand-induced tetrad effect in coordination leaching of ion-adsorption rare earth ores: enhanced recovery of high-value low-lanthanum rare earth concentrates	104
Enhancement of hydrogen production via methanol steam reforming using a Ni-based catalyst supported by spongy mesoporous alumina	102
Sustainable lignin-derived hierarchical mesoporous carbon synthesized by a renewable nano-calcium carbonate hard template method and its utilization in zinc ion hybrid supercapacitors	101
Recent advances in ex ante techno-environmental-economic assessment of thermochemical waste or biomass to energy technologies based on process simulation	98
Contents list	96
Back cover	95
Back cover	93
Contents list	93
Inside front cover	93
Inside back cover	92
Iron-photocatalyzed desulfurizing chlorination with seawater	90
Contents list	90
Effect of pre-treatment of herbaceous feedstocks on behavior of inorganic constituents under chemical looping gasification (CLG) conditions	89
Electrosynthesis of benzyl-tert-butylamine via nickel-catalyzed oxidation of benzyl alcohol	89
Polysaccharide-based supramolecular bicomponent eutectogels as sustainable antioxidant materials	89
Tuning the electronic structure of the Mn–N–C catalyst through XO₂ group (X = S, Se, Te) doping for proton-exchange membrane fuel cells	88
Design and synthesis of covalently tethered “isoG-star” as a recyclable host for selective cesium separation	87
Towards a scalable recycling process for ceramics in fuel-electrode-supported solid oxide cells	86
Aliphatic C–H arylation with heteroarenes without photocatalysts	86
Efficient CO₂ electroreduction to n-propanol on a matching cobalt phthalocyanine/copper tandem catalyst	85
Regulating the hydrophobic microenvironment of SnS₂ to facilitate the interfacial CO₂/H₂O ratio towards pH-universal electrocatalytic CO₂ reduction	84
Red analytical performance index (RAPI) and software: the missing tool for assessing methods in terms of analytical performance	83
Materials from waste plastics for CO₂capture and utilisation	83
Halometallate ionic liquids: thermal properties, decomposition pathways, and life cycle considerations	83
‘In-water’, nickel-catalyzed mild preparation of allylic amines employing alcohols: application to ‘all-water’ synthesis of pharmaceuticals	83
Polymer monomers fabricated from biomass platform molecules over metal-free catalysts	82
Electrochemical ring-opening 1,3-dihydroxylation of arylcyclopropanes with H₂O	81
(B,P,Co,Fe)-Ni modified on nanowood for boosting seawater urea electro-oxidation	81
NHC–palladium-catalyzed ionic liquid-accelerated regioselective oxyarylation of alkynes with diaryl ethers	81
Visible-light-induced iron-catalyzed synthesis of N-aryl amides from nitroarenes and chloroalkanes	81
Synthesis of α-aminophosphorous derivatives using a deep eutectic solvent (DES) in a dual role	81
Photoredox catalytic aminomethylation of sulfonylthiazoles	79
Dibasic esters as green solvents for PVDF membrane preparation	79
Non-enzymatic signal-on electrochemiluminescence detection of organophosphorus pesticides based on tungsten disulfide quantum dots	78
Integrated design of multifunctional reinforced bioplastics (MReB) to synergistically enhance strength, degradability, and functionality	78
Multi-layered CuO/SiO₂ core–shell structure improves electrocatalytic CO₂-to-n-propanol conversion	77
Design of environmentally degradable polyethylene-like polyesters and eco-friendly recycling via commercial enzymes	77
Iridium-catalyzed N-methylation of drug molecules	77
Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode	77
Oxidized thiourea derivatives: uncovering new frontiers with resonant acoustic mixing (RAM)	76
Biodegradable alginate derivatives obtained by eco-friendly ultrasound technology for more sustainable leather tanning	76
Strikingly high amount of tricin-lignin observed from vanilla (Vanilla planifolia) aerial roots	76
Computational modeling-guided design of deep eutectic solvents for tailoring lignin chemistry during lignocellulose pretreatment	76
Does enzymatic catalysis lead to more sustainable chemicals production? A life cycle sustainability assessment of isopropyl palmitate	75

Green synthesis of 1,4-disubstituted 1,2,3-triazoles: a sustainable approach