OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Materials and Technologies is 31. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Unraveling the in-situ engineered mixed metal oxides anchored on activated carbon cloth as a flexible electrode material for electrochemical reduction of CO2 into formic acid	134
Effect of different MXene structures on solar interfacial evaporation	129
Developing hybrid C-sections from waste and recycled composite materials	107
Electrochemical properties of bismuth chalcogenide/MXene/CNT heterostructures for application in Na-ion batteries	92
Chitosan-based bionanocomposites for elimination of hazardous environmental contaminants and food packaging: A comprehensive review	80
From lab to fab: Bridging the quality divide of scalable perovskite solar cells thin-films	78
Solid electrolytes based on i-carrageenan and different ionic liquids for sustainable electrochromic devices	76
Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines	63
Bibliometric analysis and data visualization of research trends in lithium-ion and nickel-metal-hydride battery recycling processes	51
Innovative fabrication of hierarchically porous carbon materials via integrated template strategy for high-performance supercapacitors	50
Polyacrylamide/EDTA-modified chitosan/graphene oxide hydrogels as an adsorbent and supercapacitor for sustainable applications	49
Thermal insulating and fire-retardant lightweight carbon-slag composite foams towards absorption dominated electromagnetic interference shielding	48
Antipathogenic upcycling of face mask waste into separation materials using green solvents	47
Boosting sustainable hydrogen production via water splitting and urea oxidation using spinel hollow-sphere nano catalysts	44
An environmental impact comparison between wire + arc additive manufacture and forging for the production of a titanium component	43
Stimuli-responsive composite coating based on dynamic metal-ligand interactions for sustainable marine antifouling	40
Reusing cellulose acetate microplastic fibres derived from discarded cigarette butts as superior adsorbent for lead ions: UV ageing, adsorption mechanisms and DOM investigation	40
High-performance complementary electrochromic energy storage device based on tungsten trioxide and manganese dioxide films	38
Comprehensive overview of wood polymer composite: Formulation and technology, properties, interphase modification, and characterization	37
Advancing sericulture through nanotechnology: Sustainable innovations for the future	37
Low-cost, superhydrophobic, flame-retardant sunflower straw-based xerogel as thermal insulation materials for energy-efficient buildings	37
A novel Fe-containing intermetallic agglomeration-separation process design for highly efficient reduction of Fe impurity elements and sustainable upgrade-recycling of Al-Si alloy scrap	36
Application of green solvents as a replacement of toxic dimethylformamide in the polylactic acid electrospinning process	34
Sustainable multifunctional foams for cold-chain packaging: Stabilizing polyethylene glycol with cellulose and pomegranate peel for antibacterial protection and temperature control	33
Sustainable synthesis and manufacturing of silver powder-based metal clay for zero-waste technology applications	32

Critical appraisal and systematic review of 3D & 4D printing in sustainable and environment-friendly smart manufacturing technologies	32
Binder-free urchin-like 3D ZnCo2O4 nanostructure as a potential electrode for supercapacitors	32
Microwave-assisted self-template synthesis of mesoporous anatase TiO2 spheres for non-aqueous Al-ion batteries: Textural property optimization and enhanced reversible Al3+ storage	31
Validating synergistic effects of hybrid nanomaterials and progressive collapse behaviour of UHPC beams: Do particle packing theory, experiments and finite element analysis strongly interconnected?	31
Preparation and characterization of B, S, and N-doped glucose carbon dots: Antibacterial, antifungal, and antioxidant activity	31
Zero-waste circular economy of plastic packaging: The bottlenecks and a way forward	31
Sustainable Kerala rice husk ash for formulation of basic tyre tread: Taking first step	31