OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Materials and Technologies is 30. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Sustainable synthesis and manufacturing of silver powder-based metal clay for zero-waste technology applications	129
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	117
Effect of different MXene structures on solar interfacial evaporation	96
Developing hybrid C-sections from waste and recycled composite materials	81
Boosting sustainable hydrogen production via water splitting and urea oxidation using spinel hollow-sphere nano catalysts	76
From lab to fab: Bridging the quality divide of scalable perovskite solar cells thin-films	70
Chitosan-based bionanocomposites for elimination of hazardous environmental contaminants and food packaging: A comprehensive review	70
Low-cost, superhydrophobic, flame-retardant sunflower straw-based xerogel as thermal insulation materials for energy-efficient buildings	55
Solid electrolytes based on i-carrageenan and different ionic liquids for sustainable electrochromic devices	50
Sustainable multifunctional foams for cold-chain packaging: Stabilizing polyethylene glycol with cellulose and pomegranate peel for antibacterial protection and temperature control	48
Enhancement of phosphogypsum-based solid waste cementitious materials via seawater and metakaolin synergy: Strength, microstructure, and environmental benefits	48
Binder-free urchin-like 3D ZnCo2O4 nanostructure as a potential electrode for supercapacitors	45
Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines	45
Validating synergistic effects of hybrid nanomaterials and progressive collapse behaviour of UHPC beams: Do particle packing theory, experiments and finite element analysis strongly interconnected?	43
Polyacrylamide/EDTA-modified chitosan/graphene oxide hydrogels as an adsorbent and supercapacitor for sustainable applications	41
In pursuit of sustainability in machining thin walled α‑titanium tubes: An industry supported study	40
Bibliometric analysis and data visualization of research trends in lithium-ion and nickel-metal-hydride battery recycling processes	39
Innovative fabrication of hierarchically porous carbon materials via integrated template strategy for high-performance supercapacitors	38
Stimuli-responsive composite coating based on dynamic metal-ligand interactions for sustainable marine antifouling	38
Comprehensive overview of wood polymer composite: Formulation and technology, properties, interphase modification, and characterization	36
Thermal insulating and fire-retardant lightweight carbon-slag composite foams towards absorption dominated electromagnetic interference shielding	36
High-performance complementary electrochromic energy storage device based on tungsten trioxide and manganese dioxide films	35
Carbon aerogel based materials for secondary batteries	35
An environmental impact comparison between wire + arc additive manufacture and forging for the production of a titanium component	34
Electrochemical properties of bismuth chalcogenide/MXene/CNT heterostructures for application in Na-ion batteries	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	32
Antipathogenic upcycling of face mask waste into separation materials using green solvents	31
Critical appraisal and systematic review of 3D & 4D printing in sustainable and environment-friendly smart manufacturing technologies	30
Reusing cellulose acetate microplastic fibres derived from discarded cigarette butts as superior adsorbent for lead ions: UV ageing, adsorption mechanisms and DOM investigation	30
Application of green solvents as a replacement of toxic dimethylformamide in the polylactic acid electrospinning process	30