OOIR: Observatory of International Research

Papers

(The H4-Index of Green Chemistry is 79. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Inside back cover	680
Inside front cover	368
Bioconversion of wastewater-derived cresols to methyl muconic acids for use in performance-advantaged bioproducts	265
Heuristic process prediction model for screening optimal green entrainers based on TAC and LCA impacts utilizing PSE concepts	237
Solvent-free Markovnikov hydroamination of vinylarenes with carboxamides: a heterogeneous catalytic approach using Hβ zeolite	219
Biobased sunscreen fabrication using Zn-porphyrins from engineered Corynebacterium glutamicum	199
Synthesis of biodegradable PGA-PBC-PGA triblock copolymers and closed-loop recycling via a thermal depolymerization strategy	181
Light-driven ultrafast dual C–C cleavage and coupling of dihydroxyacetone into high-purity carbon monoxide and ethylene glycol	176
Wood-inspired dual-scale directional channel cellulose bioreactors with high mass transfer efficiency for continuous flow catalytic green conversion	172
1,2,3-Trimethoxypropane: a bio-sourced glyme as electrolyte for lithium–O₂ batteries	169
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	168
Front cover	166
Highly efficient sulfurized Re–Ir catalysts for multiple N-methylation of ethylenediamine and its homologous series with CO₂ and H₂ in water solvent	160
Facile synthesis of Pd–Au/BNNS bimetallic catalysts for direct generation of H₂O₂ from H₂ and O₂ under environmentally friendly conditions	156
Voltage losses in indoor light harvesting organic photovoltaic devices: a case study of green solvent processed PM6/IT-4Cl devices	146
Metal-free photocatalysis at charged aqueous interfaces: boosting the photocatalytic oxidative coupling of arylamines to azoaromatics under ambient conditions	145
Contents list	144
Oxygen-harvesting carbon dot photocatalysts for ambient tandem oxidative synthesis of quinazolin-4(3H)-ones	144
Cyrene™ blends: a greener solvent system for organic syntheses	144
Back cover	142
Contents list	139
Inside front cover	138
Back cover	138
Inside back cover	136
Contents list	129

Polymer monomers fabricated from biomass platform molecules over metal-free catalysts	121
NHC–palladium-catalyzed ionic liquid-accelerated regioselective oxyarylation of alkynes with diaryl ethers	118
Electrochemical ring-opening 1,3-dihydroxylation of arylcyclopropanes with H₂O	114
Polysaccharide-based supramolecular bicomponent eutectogels as sustainable antioxidant materials	112
Aliphatic C–H arylation with heteroarenes without photocatalysts	111
Towards a scalable recycling process for ceramics in fuel-electrode-supported solid oxide cells	110
Efficient CO₂ electroreduction to n-propanol on a matching cobalt phthalocyanine/copper tandem catalyst	107
Regulating the hydrophobic microenvironment of SnS₂ to facilitate the interfacial CO₂/H₂O ratio towards pH-universal electrocatalytic CO₂ reduction	103
Additive-free N-methylation reaction synergistically catalyzed by Pt single atoms and clusters on α-MoC using methanol as a sustainable C1 source	103
Hierarchical porous organometallic polymers enable industrial-level acidic CO₂ electroreduction	102
Electrosynthesis of benzyl-tert-butylamine via nickel-catalyzed oxidation of benzyl alcohol	102
Synthesis of α-aminophosphorous derivatives using a deep eutectic solvent (DES) in a dual role	100
Halometallate ionic liquids: thermal properties, decomposition pathways, and life cycle considerations	99
Effect of pre-treatment of herbaceous feedstocks on behavior of inorganic constituents under chemical looping gasification (CLG) conditions	99
Design of environmentally degradable polyethylene-like polyesters and eco-friendly recycling via commercial enzymes	98
Expanding the circularity of plastic and biochar materials by developing alternative low environmental footprint sensors	96
Design and synthesis of covalently tethered “isoG-star” as a recyclable host for selective cesium separation	95
Amino and hydroxyl functionalization of nucleosides via resonant acoustic mixing	94
Ligand-induced tetrad effect in coordination leaching of ion-adsorption rare earth ores: enhanced recovery of high-value low-lanthanum rare earth concentrates	93
Tailoring surface reaction pathways by self-assembling a trifluoromethyl-terminated molecular layer to enhance photocatalytic cellulose-to-syngas conversion in pure water	93
Electrochemical C–O bond cleavage of diaryl ethers: upcycling of lignin 4-O-5 models and polyphenylene oxide	92
Characterization and molecular simulation of lignin in Cyrene pretreatment of switchgrass	91
Photocatalyst-free H₂O-regulated and regiodivergent multicomponent hydrogenation/bifunctional sulfonylation of alkynes	91
Catalyst-free urea synthesis via plasma-driven direct coupling of CO₂ and N₂ under ambient conditions	90
Selective C–O bond cleavage enhances aromatics production from lignin-derived platform molecules with ethanol as a hydrogen donor	88
Progress in torrefaction pretreatment for biomass gasification	87
Non-enzymatic signal-on electrochemiluminescence detection of organophosphorus pesticides based on tungsten disulfide quantum dots	87
Inside front cover	87
Computational modeling-guided design of deep eutectic solvents for tailoring lignin chemistry during lignocellulose pretreatment	87
Iridium-catalyzed N-methylation of drug molecules	86
Photoredox catalytic aminomethylation of sulfonylthiazoles	86
Integrated design of multifunctional reinforced bioplastics (MReB) to synergistically enhance strength, degradability, and functionality	86
Dibasic esters as green solvents for PVDF membrane preparation	86
Oxidized thiourea derivatives: uncovering new frontiers with resonant acoustic mixing (RAM)	85
Biodegradable alginate derivatives obtained by eco-friendly ultrasound technology for more sustainable leather tanning	85
Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode	84
Cobalt-catalysed CH-alkylation of indoles with alcohols by borrowing hydrogen methodology	83
Multi-step oxidative carboxylation of olefins with carbon dioxide by combining electrochemical and 3D-printed flow reactors	83
Visible-light-induced iron-catalyzed synthesis of N-aryl amides from nitroarenes and chloroalkanes	83
Organic carbonates as green media: from laboratory syntheses to industrial applications	83
Novel arylindane diols as sustainable primary antioxidants from lignin	83
Multi-layered CuO/SiO₂ core–shell structure improves electrocatalytic CO₂-to-n-propanol conversion	83
Does enzymatic catalysis lead to more sustainable chemicals production? A life cycle sustainability assessment of isopropyl palmitate	82
(B,P,Co,Fe)-Ni modified on nanowood for boosting seawater urea electro-oxidation	82
Organic redox polymers as electrochemical energy materials	82
Iron-photocatalyzed desulfurizing chlorination with seawater	81
Tapping into the natural aromatic potential of microbial lignin valorization towards aromatic fine chemicals	81
Visible-light-induced hydroxycarboxylation of α-trifluoromethylstyrenes to construct densely functionalized α-CF₃ tertiary alcohols	80
Efficient catalytic degradation of anhydride-cured epoxy resin by amphiphilic molecule catalysts	80
Modular access to multi-substituted allenones via environmentally friendly organocatalytic C–H allenylation of aldehydes	80

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	80
Strikingly high amount of tricin-lignin observed from vanilla (Vanilla planifolia) aerial roots	80
Atomically dispersed Co²⁺ on MgAlO_x boosting C_4–10 alcohols selectivity of ethanol valorization	80
Long-lived triplet state carbon nitride (urea-CN_x) catalyzed metal-free photo-ATRP with oxygen acceleration	79