OOIR: Observatory of International Research

Papers

(The H4-Index of Green Chemistry is 81. 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
Inside back cover	739
Inside front cover	382
Heuristic process prediction model for screening optimal green entrainers based on TAC and LCA impacts utilizing PSE concepts	280
Solvent-free Markovnikov hydroamination of vinylarenes with carboxamides: a heterogeneous catalytic approach using Hβ zeolite	250
Biobased sunscreen fabrication using Zn-porphyrins from engineered Corynebacterium glutamicum	227
Synthesis of biodegradable PGA-PBC-PGA triblock copolymers and closed-loop recycling via a thermal depolymerization strategy	206
Light-driven ultrafast dual C–C cleavage and coupling of dihydroxyacetone into high-purity carbon monoxide and ethylene glycol	193
Wood-inspired dual-scale directional channel cellulose bioreactors with high mass transfer efficiency for continuous flow catalytic green conversion	182
1,2,3-Trimethoxypropane: a bio-sourced glyme as electrolyte for lithium–O₂ batteries	179
Front cover	178
Oxygen-harvesting carbon dot photocatalysts for ambient tandem oxidative synthesis of quinazolin-4(3H)-ones	174
Highly efficient sulfurized Re–Ir catalysts for multiple N-methylation of ethylenediamine and its homologous series with CO₂ and H₂ in water solvent	172
Voltage losses in indoor light harvesting organic photovoltaic devices: a case study of green solvent processed PM6/IT-4Cl devices	169
Facile synthesis of Pd–Au/BNNS bimetallic catalysts for direct generation of H₂O₂ from H₂ and O₂ under environmentally friendly conditions	161
Metal-free photocatalysis at charged aqueous interfaces: boosting the photocatalytic oxidative coupling of arylamines to azoaromatics under ambient conditions	152
Contents list	151
Back cover	149
Contents list	146
Back cover	146
Inside front cover	145
Inside back cover	143
Electrosynthesis of benzyl-tert-butylamine via nickel-catalyzed oxidation of benzyl alcohol	143
Contents list	143
Additive-free N-methylation reaction synergistically catalyzed by Pt single atoms and clusters on α-MoC using methanol as a sustainable C1 source	141
Hierarchical porous organometallic polymers enable industrial-level acidic CO₂ electroreduction	130

Design and synthesis of covalently tethered “isoG-star” as a recyclable host for selective cesium separation	127
Amino and hydroxyl functionalization of nucleosides via resonant acoustic mixing	125
Ligand-induced tetrad effect in coordination leaching of ion-adsorption rare earth ores: enhanced recovery of high-value low-lanthanum rare earth concentrates	119
Halometallate ionic liquids: thermal properties, decomposition pathways, and life cycle considerations	118
Effect of pre-treatment of herbaceous feedstocks on behavior of inorganic constituents under chemical looping gasification (CLG) conditions	116
Design of environmentally degradable polyethylene-like polyesters and eco-friendly recycling via commercial enzymes	115
Aliphatic C–H arylation with heteroarenes without photocatalysts	113
Efficient CO₂ electroreduction to n-propanol on a matching cobalt phthalocyanine/copper tandem catalyst	110
Regulating the hydrophobic microenvironment of SnS₂ to facilitate the interfacial CO₂/H₂O ratio towards pH-universal electrocatalytic CO₂ reduction	109
Polymer monomers fabricated from biomass platform molecules over metal-free catalysts	106
Electrochemical ring-opening 1,3-dihydroxylation of arylcyclopropanes with H₂O	105
NHC–palladium-catalyzed ionic liquid-accelerated regioselective oxyarylation of alkynes with diaryl ethers	104
Strikingly high amount of tricin-lignin observed from vanilla (Vanilla planifolia) aerial roots	101
Multi-layered CuO/SiO₂ core–shell structure improves electrocatalytic CO₂-to-n-propanol conversion	101
Modular access to multi-substituted allenones via environmentally friendly organocatalytic C–H allenylation of aldehydes	100
‘In-water’, nickel-catalyzed mild preparation of allylic amines employing alcohols: application to ‘all-water’ synthesis of pharmaceuticals	97
An innovative, low-cost and environment-friendly approach by using a deep eutectic solvent as the water substitute to minimize waste in the textile industry and for better clothing performance	97
Photo/electrocatalytic site-selective C–H functionalization of 8-aminoquinolines and their analogues	97
Inside front cover	96
Selective C–O bond cleavage enhances aromatics production from lignin-derived platform molecules with ethanol as a hydrogen donor	96
Catalyst-free urea synthesis via plasma-driven direct coupling of CO₂ and N₂ under ambient conditions	95
Tuning the electronic structure of the Mn–N–C catalyst through XO₂ group (X = S, Se, Te) doping for proton-exchange membrane fuel cells	94
Metal-free decarboxylative C(sp³)–C(sp³) bond formation for the synthesis of unnatural amino acids and peptides via convergent paired electrolysis enabled radical–radical	94
Applying green chemistry to raw material selection and product formulation at The Estée Lauder Companies	93
Integrated design of multifunctional reinforced bioplastics (MReB) to synergistically enhance strength, degradability, and functionality	92
Dibasic esters as green solvents for PVDF membrane preparation	92
Electrochemical C–O bond cleavage of diaryl ethers: upcycling of lignin 4-O-5 models and polyphenylene oxide	92
Iridium-catalyzed N-methylation of drug molecules	91
Oxidized thiourea derivatives: uncovering new frontiers with resonant acoustic mixing (RAM)	91
Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode	91
Visible-light-induced hydroxycarboxylation of α-trifluoromethylstyrenes to construct densely functionalized α-CF₃ tertiary alcohols	90
Biodegradable alginate derivatives obtained by eco-friendly ultrasound technology for more sustainable leather tanning	90
Long-lived triplet state carbon nitride (urea-CN_x) catalyzed metal-free photo-ATRP with oxygen acceleration	90
Novel arylindane diols as sustainable primary antioxidants from lignin	90
Towards a scalable recycling process for ceramics in fuel-electrode-supported solid oxide cells	89
Phosphatidylcholine-driven cell-like assembly of lignin for reinforcing and toughening rubber materials	88
Sustainable protocols for direct C–H bond arylation of (hetero)arenes	88
Copper-supported catalysts for sustainable PET depolymerization: a cost-effective approach towards dimethyl terephthalate (DMT) production	88
Visible-light-induced iron-catalyzed synthesis of N-aryl amides from nitroarenes and chloroalkanes	87
Bioconversion of wastewater-derived cresols to methyl muconic acids for use in performance-advantaged bioproducts	87
Catalyst-free defluorinative alkylation of trifluoromethyls	87
Iron-photocatalyzed desulfurizing chlorination with seawater	87
Multi-step oxidative carboxylation of olefins with carbon dioxide by combining electrochemical and 3D-printed flow reactors	87
Photoelectrocatalytic heteroarene C(sp²)–H borylation	87
Sustainable base-mediated chemical upcycling of poly (propylene carbonate) to β-hydroxy sulfides and oxides	86
Toward the next generation of sustainable aluminum-ion batteries: a review	86
Blowing tough polylactide film enabled by the in situ construction of covalent adaptive networks with epoxidized soybean oil as dynamic crosslinks	85
Computational modeling-guided design of deep eutectic solvents for tailoring lignin chemistry during lignocellulose pretreatment	85
Machine learning-guided engineering of chalcone synthase enables high-selectivity phloretin biosynthesis in yeast	85
Weakening fibril–fibril interactions via an on-demand regulation of hemicellulose phase towards the facile disassembly of lignocellulose heterostructure into approaching native-state elementary	84

A radical Smiles rearrangement difunctionalization of activated alkenes via desulfonylation and insertion of sulfur dioxide relay strategy	83
Cobalt-catalysed CH-alkylation of indoles with alcohols by borrowing hydrogen methodology	83
Recent progress of biomass in conventional wood adhesives: a review	83
Catalyst-free mechanochemistry as a versatile tool in synthetic chemistry: a review	82
Atomically dispersed Co²⁺ on MgAlO_x boosting C_4–10 alcohols selectivity of ethanol valorization	81
Tailoring surface reaction pathways by self-assembling a trifluoromethyl-terminated molecular layer to enhance photocatalytic cellulose-to-syngas conversion in pure water	81
Replacing polyacrylonitrile with Kraft lignin for sustainable carbon fiber manufacturing mitigates carbon emissions	81
A paired alkaline electrolyzer for furfural oxidation and hydrogen evolution over noble metal-free NiFe/Ni and Co/MXene catalysts	81