OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Materials and Technologies is 33. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Developing hybrid C-sections from waste and recycled composite materials	147
Microwave-assisted self-template synthesis of mesoporous anatase TiO2 spheres for non-aqueous Al-ion batteries: Textural property optimization and enhanced reversible Al3+ storage	117
Antipathogenic upcycling of face mask waste into separation materials using green solvents	104
Stimuli-responsive composite coating based on dynamic metal-ligand interactions for sustainable marine antifouling	95
Reusing cellulose acetate microplastic fibres derived from discarded cigarette butts as superior adsorbent for lead ions: UV ageing, adsorption mechanisms and DOM investigation	82
Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines	68
Sustainable synthesis and manufacturing of silver powder-based metal clay for zero-waste technology applications	60
In pursuit of sustainability in machining thin walled α‑titanium tubes: An industry supported study	59
Polyacrylamide/EDTA-modified chitosan/graphene oxide hydrogels as an adsorbent and supercapacitor for sustainable applications	56
Chitosan-based bionanocomposites for elimination of hazardous environmental contaminants and food packaging: A comprehensive review	56
Binder-free urchin-like 3D ZnCo2O4 nanostructure as a potential electrode for supercapacitors	53
From lab to fab: Bridging the quality divide of scalable perovskite solar cells thin-films	51
Metal-rich biochar as an asphalt modifier to improve sustainability and reduce VOC emissions	51
Critical appraisal and systematic review of 3D & 4D printing in sustainable and environment-friendly smart manufacturing technologies	46
Thermal insulating and fire-retardant lightweight carbon-slag composite foams towards absorption dominated electromagnetic interference shielding	45
Sustainable Kerala rice husk ash for formulation of basic tyre tread: Taking first step	45
Effect of different MXene structures on solar interfacial evaporation	44
Electrochemical properties of bismuth chalcogenide/MXene/CNT heterostructures for application in Na-ion batteries	42
Advancing sericulture through nanotechnology: Sustainable innovations for the future	41
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	39
Zero-waste circular economy of plastic packaging: The bottlenecks and a way forward	39
Bibliometric analysis and data visualization of research trends in lithium-ion and nickel-metal-hydride battery recycling processes	39
Validating synergistic effects of hybrid nanomaterials and progressive collapse behaviour of UHPC beams: Do particle packing theory, experiments and finite element analysis strongly interconnected?	39
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	38
Low-cost, superhydrophobic, flame-retardant sunflower straw-based xerogel as thermal insulation materials for energy-efficient buildings	38

Application of green solvents as a replacement of toxic dimethylformamide in the polylactic acid electrospinning process	38
High-performance complementary electrochromic energy storage device based on tungsten trioxide and manganese dioxide films	38
From biomolecules to a stable zinc Interface: Green molecular engineering for high-performance, durable zinc-air batteries	35
Piezoelectric and electromagnetic coupled energy harvesting for wearable backpack systems	35
Scaling up ceramic recovery from end-of-life solid oxide cells: Process optimization and evaluation of recovered materials	35
Sustainable multifunctional foams for cold-chain packaging: Stabilizing polyethylene glycol with cellulose and pomegranate peel for antibacterial protection and temperature control	34
Simultaneous enhancement of humic substances and mineral availability in weathered coal via hydrothermal modification for acid soil amendment	34
Boosting sustainable hydrogen production via water splitting and urea oxidation using spinel hollow-sphere nano catalysts	33
Solid electrolytes based on i-carrageenan and different ionic liquids for sustainable electrochromic devices	33