OOIR: Observatory of International Research

Papers

(The median citation count of Green Chemistry is 5. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Inside front cover	452
Contents list	310
Contents list	202
Inside front cover	195
Laser-induced carbonization technology towards biomass-derived carbon materials: mechanism, preparation and application	195
Photo-enzyme-coupled catalysis for selective oxidation of 2,5-diformylfuran into 2,5-furandicarboxylic acid	168
Back cover	159
Direct synthesis of 2-pyrone-4,6-dicarboxylic acid and trans-aconitic acid from renewable gallic acid and tannic acid	157
Solid-phase synthesis of titanium-oxo clusters and their unprecedented catalytic performance in oxidative desulfurization of fuel oil	151
Recent advances in ex ante techno-environmental-economic assessment of thermochemical waste or biomass to energy technologies based on process simulation	148
Mo₂C-derived molybdenum oxycarbides afford controllable oxidation of anilines to azobenzenes and azoxybenzenes	140
Contents list	138
Towards high atom economy in whole-cell redox biocatalysis: up-scaling light-driven cyanobacterial ene-reductions in a flat panel photobioreactor	137
Contents list	133
A novel electrochemical Hofmann-type rearrangement enables facile access to α-oxoisocyanates for the synthesis of N-carbamoylacetamides	130
Production of monocyclic aromatic hydrocarbons by segmented in situ and ex situ two-stage coupled catalytic co-pyrolysis of biomass and waste plastics	128
Temperature-responsive Zn-based catalysts for efficient catalytic conversion of biomass-derived carbohydrates to ethyl lactate	128
Photoredox-catalyzed coupling of acyl oxime acetates with thiophenols to give arylthioesters in water at room temperature	127
Safe and sustainable chemicals and materials: a review of sustainability assessment frameworks	123
System-level integrative analyses for production of lignin hydrogels	122
A combined photobiological–photochemical route to C₁₀ cycloalkane jet fuels from carbon dioxide via isoprene	119
Fabrication of a hollow sphere N,S co-doped bifunctional carbon catalyst for sustainable fixation of CO₂ to cyclic carbonates	119
Characterization and molecular simulation of lignin in Cyrene pretreatment of switchgrass	117
A hemicellulose-first approach: one-step conversion of sugarcane bagasse to xylooligosaccharides over activated carbon modified with tandem plasma and acid treatments	112
On the need for gate-to-gate environmental metrics in biocatalysis: fatty acid hydration catalyzed by oleate hydratases as a case study	104

Organic redox polymers as electrochemical energy materials	104
Combined pyro-hydrometallurgical technology for recovering valuable metal elements from spent lithium-ion batteries: a review of recent developments	101
2,4,6-Trimethylbenzoyldiphenylphosphine oxide (TPO) analog: a non-cytotoxic type-I photoinitiator for free radical photopolymerization	100
Biobased and degradable thiol–ene networks from levoglucosan for sustainable 3D printing	98
Iridium-catalyzed N-methylation of drug molecules	97
Deuterated Methylselenylating Reagents Design for Diverse Se-Methyl-d3 Scaffolds Construction	97
Technological advances in ligninolytic enzymes for the biological valorization of lignin	96
A Cu loaded NiFe layered double hydroxide bifunctional electrocatalyst with a coupled interface structure for both the nitrate reduction reaction and oxygen evolution reaction	94
Confinement effect on the electrochemical CO₂ reduction reaction	88
H₂O₂-promoted C–C bond oxidative cleavage of β-O-4 lignin models to benzanilides using water as a solvent under metal-free conditions	88
A comparative review of biohydrogen and biomethane production from biowaste through photo-fermentation	86
Phenoxazine-based covalent triazine framework for photocatalytic aerobic hydroxylation of arylboronic acids to phenols	86
Electrosynthesis of benzyl-tert-butylamine via nickel-catalyzed oxidation of benzyl alcohol	85
Deep eutectic solvent-based microextraction system for simultaneous lignocellulose fractionation and furfural production	84
Green solid-state synthesis of Cu₄O₃/biochar composites with high antimicrobial activity	81
Rapid humification of biomass via hydrothermal conversion: a comprehensive review	80
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	80
Solid-state aromatic nucleophilic fluorination: a rapid, practical, and environmentally friendly route to N-heteroaryl fluorides	78
Inside front cover	78
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Enhancement of hydrogen production via methanol steam reforming using a Ni-based catalyst supported by spongy mesoporous alumina	71
A novel, environment-friendly method to prepare pyranones from furfural alcoholsviaphotocatalytic O₂oxidation in an aqueous phase	71
Supercritical CO₂-assisted solid-phase etching preparation of MXenes for high-efficiency alkaline hydrogen evolution reaction	71
In situ formed nickel phosphide/iron oxide heterojunction for accelerating hydrogen generation	70
Fe-based “electron pump” involving NiCo-LDH enables robust and highly-selective electrocatalytic methanol oxidation to formic acid	70
Iron-doped cobalt phosphide nanowires prepared via one-step solvothermal phosphidization of metal–organic frameworks for the oxygen evolution reactions	70
In situ encapsulation of ultrasmall MoO₃ nanoparticles into beta zeolite for oxidative desulfurization	70
Visible-light-induced tandem ring opening/1,6-conjugate addition of cyclobutanols with p-quinone methides under metal- and additive-free conditions	69
Photoinduced, metal- and photosensitizer-free decarboxylative C–H (amino)alkylation of heteroarenes in a sustainable solvent	69
Molecular understanding of the morphology and properties of lignin nanoparticles: unravelling the potential for tailored applications	69
Quantifying the environmental benefits of a solvent-based separation process for multilayer plastic films	69
Lignin-enhanced wet strength of cellulose-based materials: a sustainable approach	69
Thymol: nature's solvent for sustainable hollow fiber fabrication	68
Basic comprehension and recent trends in photoelectrocatalytic systems	68
Recent progress of biomass in conventional wood adhesives: a review	68
Weakening fibril–fibril interactions via an on-demand regulation of hemicellulose phase towards the facile disassembly of lignocellulose heterostructure into approaching native-state elementary	68
Toward the next generation of sustainable aluminum-ion batteries: a review	67
Advances in photochemical/electrochemical synthesis of heterocyclic compounds from carbon dioxide	67
Selective degradation of hemicellulose into oligosaccharides assisted by ZrOCl₂ and their potential application as a tanning agent	66

Strategic design and fabrication of lightweight sesame ball-like hollow double-layer hybrid magnetic molecularly imprinted nanomaterials for the highly specific separation and recovery of tetracycline	66
A second life for fruit and vegetable waste: a review on bioplastic films and coatings for potential food protection applications	66
Depolymerization of post-consumer PET bottles with engineered cutinase 1 fromThermobifida cellulosilytica	65
Selective C–C bond cleavage of oxidized lignin in an aqueous phase under mild conditions	65
Cascade fractionation of birch into xylose, glucan oligomers, and noncondensed lignin improved using microwave assistance and molten salt hydrates	65
Driving the rapid regeneration of LiFePO₄ from spent lithium-ion batteries through one-pot mechanochemical activation	65
Efficient Low-Temperature Depolymerization of Polycarbonate Catalyzed by Lanthanum β-Diketonate Complexes	64
Pollen-Templated Bio-TS-1: A Sustainable Catalyst with Hierarchical Porosity for Propylene Epoxidation	64
Recent advances in heterogeneous catalysts for biocrude hydrodeoxygenation	64
Hydrocracking of polyolefins over ceria-promoted Ni/BEA catalysts	64
Tellurium Recovery from the Thermoelectric Materials Bismuth Telluride and Antimony Telluride by Chemical Vapour Transport	64
Front cover	63
Machine learning-based prediction and optimization of plasma-based conversion of CO₂ and CH₄ in an atmospheric pressure glow discharge plasma	63
Contents list	63
Comparison of greenness and whiteness of selected mechanochemical and solution-based reactions using a new RGBsynt model	62
Inside back cover	62
Chemo-enzymatic synthesis of chiral 3-substituted tetrahydroquinolines by a sequential biocatalytic cascade and Buchwald–Hartwig cyclization	61
Natural deep eutectic solvent assisted synthesis and applications of chiral carbon dots	61
Dibasic esters as green solvents for PVDF membrane preparation	60
Bromine radical-enhanced HAT activity leading to stoichiometric couplings of methylarenes with acid chlorides	60
An atomically dispersed Co catalyst for efficient oxidative fabrication of benzoheterocycles under ambient oxygen conditions	59
Valorization of polycaprolactone for the production of nylon-6 monomers	58
Salt-assisted synthesis of advanced carbon-based materials for energy-related applications	58
In situ transformation of Co-MOF nanorods into Co₃S₄/Ni₃S₂ nanotube arrays for electrochemical biomass upgrading	57
Visible-light-mediated β-acylative divergent alkene difunctionalization with Katritzky salt/CO₂	57
Front cover	56
A fundamental study of lignin reactions with formaldehyde and glyoxal	56
Inside front cover	56
Back cover	56
1,2-trans and regioselective glycosylation of multihydroxy sugars via a simple yet synergistic combination of BF₃·Et₂O in THF	56
Inside front cover	56
Contents list	55
Modulation of electron distribution and intermediate adsorption by C–O–Si sites for efficient oxygen reduction and lithium storage	55
Back cover	55
A vacancy-rich Sn–P–I catalyst for highly efficient black phosphorus preparation and catalytic mechanistic investigation	55
Contents list	55
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Contents list	54
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Front cover	51
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Mechanochemically mediated electrosynthesis: unveiling a new pathway for redox reactions under mechanochemical conditions	50
Inside front cover	50
The origin, composition, and applications of industrial humins – a review	50
Environmentally friendly salt-free and low-alkaline coloration of lyocell fibers in an ethanol–water mixture with excellent exhaustion	50
A mediator-free enzyme carbonaceous cathode for bioelectrocatalytic reduction of furfural to furfuryl alcohol	50
Photoinduced radical cascade reactions for the thioalkylation of quinoxalin-2(1H)-ones: an access to β-heteroaryl thioethers under metal- and catalyst-free conditions	49
Evaluating the path to sustainability: SWOT analysis of safe and sustainable by design approaches for metal–organic frameworks	49
Catalyst-free mechanochemistry as a versatile tool in synthetic chemistry: a review	49
UniESA: a unified data-driven framework for enzyme stereoselectivity and activity prediction	49
One-pot mechanochemical hydrogenation and acetylation of 4-nitrophenol to 4-aminophenol and paracetamol	49
Key challenges and advancements toward fast-charging all-solid-state lithium batteries	48
Inside back cover	48
Influence of stabilisers on the catalytic activity of supported Au colloidal nanoparticles for the liquid phase oxidation of glucose to glucaric acid: understanding the catalyst performance from NMR r	48
Front cover	48
New mechanistic insights into the role of water in the dehydration of ethanol into ethylene over ZSM-5 catalysts at low temperature	48
Machine learning for algal biofuels: a critical review and perspective for the future	48
Front cover	48
Two-step demineralization of shrimp (Pandalus Borealis) shells using citric acid: an environmentally friendly, safe and cost-effective alternative to the traditional approach	48
Activation of biomass with volatilized KOH	47
Engineering charge transfer in a two-dimensional S-scheme heterojunction photocatalyst via built-in electric field for selective biomass valorization	47
Coupling a rebuild shuttle system with biosynthetic pathway and transcription factor engineering for enhanced l-cysteine production	47
Recent advances in N-formylation reaction for the chemical recycling of carbon dioxide	47
Sustainable bioplastics build on d-xylose cores: from backup to the center stage	46
Alternative method to Baeyer–Villiger oxidation of cyclobutenones using I₂/DMSO catalytic systems	46
The complete conversion of bleached kraft pulp into dissolving pulp and two xylo-oligosaccharides through a deep eutectic solvent-assisted biorefinery	46

Green catalyst-based cardboard waste conversion into biogas	46
Novel multifunctional unimolecular initiators built on natural indole featuring fast photobleaching and visible light/thermal double polymerization	46
Bioconversion of wastewater-derived cresols to methyl muconic acids for use in performance-advantaged bioproducts	45
Chitin nanowhiskers with improved properties obtained using natural deep eutectic solvent and mild mechanical processing	45
Inside front cover	45
Single-atom catalysts for the upgrading of biomass-derived molecules: an overview of their preparation, properties and applications	45
A design approach to eliminate the toxic effect of insecticides to ensure human safety	45
Improving the environmental hazard scores metric for solvent mixtures containing carbon dioxide for chromatographic separations	45
Contents list	45
Fabrication of ultra-bright carbon nano-onions via a one-step microwave pyrolysis of fish scale waste in seconds	44
A radical Smiles rearrangement difunctionalization of activated alkenes via desulfonylation and insertion of sulfur dioxide relay strategy	44
Fuel from waste: electrosynthesizing ammonia directly from agricultural digestate through ligand isomerization	44
Visible-light photocatalytic metal-free multicomponent Ugi-like chemistry	44
In situ Fmoc removal – a sustainable solid-phase peptide synthesis approach	44
An efficient biocatalytic oxidative dehydroaromatization approach for the construction of quinolines enabled by monoamine oxidase with molecular oxygen	44
Synthesis of isochromanonesvialaccase-mediated oxidative [4 + 2] cyclization of pyrocatechuic acid with styrenes	44
Water enabled, nickel-catalyzed highly chemoselective C-allylation of (NH)-indoles employing alcohols	43
Green and sustainable natural derived polysulfides for a broad range of applications	43
Highly efficient catalytic transfer hydrogenolysis for the conversion of Kraft lignin into bio-oil over heteropoly acids	43
Solvent-free and catalyst-free direct alkylation of alkenes	43
Blowing tough polylactide film enabled by the in situ construction of covalent adaptive networks with epoxidized soybean oil as dynamic crosslinks	43
Preparation of high-quality lithium sulfide by reducing lithium sulfate with hydrogen: a green and cost-effective method	43
Method to incorporate green chemistry principles in early-stage product design for sustainability: case studies with personal care products	43
Self-photocatalyzed regulable alkylation of 2H-benzothiazoles with diverse aliphatic C–H donors	42
Deep eutectic solvents towards green polymeric materials	42
Selective electro-reforming of waste polyethylene terephthalate-derived ethylene glycol into C₂ chemicals with long-term stability	42
Room temperature hydrogen production via electro-dehydrogenation of amines into nitriles: advancements in liquid organic hydrogen carriers	42
Closed-loop recycling of lignin-based sustainable polymers with an all-hydrocarbon backbone	42
Electrochemical reductive cross-coupling of acyl chlorides and sulfinic acids towards the synthesis of thioesters	42
Facile synthesis of Pd–Au/BNNS bimetallic catalysts for direct generation of H₂O₂ from H₂ and O₂ under environmentally friendly conditions	42
Maximizing hydrogen utilization efficiency in tandem hydrogenation of nitroarenes with ammonia borane	41
Valorization of waste biomass for the fabrication of isocyanate-free polyurethane foams	41
Catalyst-free defluorinative alkylation of trifluoromethyls	41
Synthesis of α-cyanato-α′-carbonyl sulfoxonium ylides in water	41
An eco-friendly one-pot extraction process for curcumin and its bioenhancer, piperine, from edible plants in exosome-like nanovesicles	41
Synthesis of α-aminophosphorous derivatives using a deep eutectic solvent (DES) in a dual role	41
Rapid synthesis of zeolites through g-C₃N₄-based photocatalysis	41
Direct conversion of glyceric acid to succinic acid by reductive carbonylation	41
Spatial niche construction of a consortium-based consolidated bioprocessing system	41
Turning lignin into a recyclable bioresource: transesterification vitrimers from lignins modified with ethylene carbonate	41
Electrochemical ring-opening 1,3-dihydroxylation of arylcyclopropanes with H₂O	41
Making chemicals from the air: the new frontier for hybrid electrosyntheses in artificial tree-like devices	41
Catalyst-free electroreductive carboxylic acid–nitroarene coupling	41
Photoredox-catalyzed regio- & stereoselective C(sp²)–H cyanoalkylation of enamides with cycloketone oximes via selective C–C bond cleavage/radical addition cascade	40
Valorization of waste coffee grounds into microporous carbon materials for CO₂ adsorption	40
Ionically conducting inorganic binders: a paradigm shift in electrochemical energy storage	40
Highly efficient electrosynthesis of oximes from nitrates and carbonyl compounds in acidic media	40
Bio-based captodative ligands for redox polymerization of Elium® thermoplastic composites under mild conditions	40
Back cover	40
Efficient catalytic degradation of anhydride-cured epoxy resin by amphiphilic molecule catalysts	40
Trace F-doped Co₃O₄ nanoneedles for enhanced acidic water oxidation activity via promoting OH coverage	39
A facile methodology for side- and upcycling of HDPE waste via partial creation of unsaturated double bonds	39
Repurposing cycloaddition of β-carbonyl phosphonate and azide to synthesize triazolyl phosphonates via ionic-liquid-based data-driven screening	39
Formic acid–hydrogen peroxide treatment of furfural residue for production of nanocellulose, lignin, and nano-scale lignin	39
Aliphatic C–H arylation with heteroarenes without photocatalysts	39
Green production of 9-aryl-fluoren-9-ols achieved through process intensification of the Grignard reaction using continuous flow at room temperature	39
Enantiocomplementary synthesis of vicinal fluoro alcohols through photo-bio cascade reactions	39
Synthesis of dihydroindazolo[2,3-f]phenanthridin-5(6H)-onesviaRh(iii)-catalyzed C–H activation of 2-aryl indazoles and annulation with iodonium ylides	39
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	39
Cyrene™ blends: a greener solvent system for organic syntheses	38
Selective hydrogenation of guaiacol to 2-methoxycyclohexanone over supported Pd catalysts	38
Liquid–liquid extraction for in situ carboxylic acid recovery via continuous membrane-based emulsion separations	38
From A³/KA²to AYA/KYA multicomponent coupling reactions with terminal ynamides as alkyne surrogates – a direct, green route to γ-amino-ynamides	37
Sonochemical oxidation of technical lignin to obtain nanoparticles with enhanced functionality	37
Upcycling atmospheric CO₂ to polyhydroxyalkanoates via sequential chemo-biocatalytic processes	37
Rapid dissolution of chitin and chitosan with degree of deacetylation less than 80% in KOH/urea aqueous solution	37
Light-driven ultrafast dual C–C cleavage and coupling of dihydroxyacetone into high-purity carbon monoxide and ethylene glycol	37
Red light-induced highly efficient aerobic oxidation of organoboron compounds using spinach as a photocatalyst	37
Design and synthesis of covalently tethered “isoG-star” as a recyclable host for selective cesium separation	37
Alternatives for the extraction of bioactives and biopolymers from Evernia prunastri for the formulation of antimicrobial bio-based films	37
Augmentation of Pd-catalysed oxidative C–H/C–H carbonylation through alternating current electrosynthesis	37
Postliminary treatment of food-waste digestate via combined hydrothermal carbonization and microbial fuel cell for bio-energy recovery: a comparative life cycle impact assessment	36
Selective synthesis of functionalized linear aliphatic primary amines via decarboxylative radical-polar crossover	36
The meaning of life … cycles: lessons from and for safe by design studies	36
Enhanced photocatalytic ammonia synthesis over a Bi/carbon cloth float: triphase reaction system-assisted N₂supply and photothermal co-activation	36
A paired alkaline electrolyzer for furfural oxidation and hydrogen evolution over noble metal-free NiFe/Ni and Co/MXene catalysts	36
Economic and environmental sustainability of bio-based HMF production and recovery from lignocellulosic biomass	36
Electrochemistry-enabled Rh-catalyzed regioselective [4 + 1] and [4 + 2] cycloaddition of benzoic acid with alkynyl esters/amides	36
Progress in torrefaction pretreatment for biomass gasification	36
Green synthesis of a redox-active riboflavin-integrated Ni-MOF and its versatile electrocatalytic applications towards oxygen evolution and reduction, and HMF oxidation reactions	36
Effect of pre-treatment of herbaceous feedstocks on behavior of inorganic constituents under chemical looping gasification (CLG) conditions	36
Metal-free photocatalysis at charged aqueous interfaces: boosting the photocatalytic oxidative coupling of arylamines to azoaromatics under ambient conditions	36
Catalytic synthesis of renewable lubricant base oils with methyl oleate and aromatics	36
Monoliths enabling biocatalysis in flow chemistry	36
Scale-up preparation, column chromatography-free purification of protected carbonyl-containing biomass molecules and their derivatizations	35
Visible-light-induced sulfonylarylation of unactivated alkenes via 1,4-(hetero)aryl migration from oxygen or nitrogen to carbon	35
A sustainable and profitable biorefinery strategy for efficiently converting lignocellulose to furfural, glucose and phenolic compounds	35
Multi-step oxidative carboxylation of olefins with carbon dioxide by combining electrochemical and 3D-printed flow reactors	35
Rational modulation of cellulose for zinc ion-based energy storage devices	35
Synergizing mitigated spatial confinement and chemical stabilization of lignin facilitates full utilization of lignocellulose	35
Significantly enhanced bioconversion of high titer biomass-derived furfural to furfuryl alcohol by robust endogenous aldehyde reductase in a sustainable way	35
From açaí (Euterpe oleracea Mart.) waste to mannose and mannanoligosaccharides: a one-step process for recalcitrant mannan depolymerization using dilute oxalic acid	35
Green synthesis of N-sulfonyl amidine using a CuI-incorporated CoFe₂O₄ nano-catalyst in aqueous medium	35
Microthermal catalytic aerogenesis of renewable biomass waste using cathode materials from spent lithium-ion batteries towards reversed regulated conversion and recycling of valuable metals	35
Harnessing visible-light energy for unbiased organic photoelectrocatalysis: synthesis of N-bearing fused rings	35