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 2021-08-01 to 2025-08-01.)

Article	Citations
Polyacrylamide/EDTA-modified chitosan/graphene oxide hydrogels as an adsorbent and supercapacitor for sustainable applications	121
Sustainable synthesis and manufacturing of silver powder-based metal clay for zero-waste technology applications	116
Validating synergistic effects of hybrid nanomaterials and progressive collapse behaviour of UHPC beams: Do particle packing theory, experiments and finite element analysis strongly interconnected?	98
Metal-rich biochar as an asphalt modifier to improve sustainability and reduce VOC emissions	96
Reusing cellulose acetate microplastic fibres derived from discarded cigarette butts as superior adsorbent for lead ions: UV ageing, adsorption mechanisms and DOM investigation	80
Effect of different MXene structures on solar interfacial evaporation	72
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	71
Developing hybrid C-sections from waste and recycled composite materials	68
Comprehensive overview of wood polymer composite: Formulation and technology, properties, interphase modification, and characterization	62
Solid electrolytes based on i-carrageenan and different ionic liquids for sustainable electrochromic devices	57
Thermal insulating and fire-retardant lightweight carbon-slag composite foams towards absorption dominated electromagnetic interference shielding	52
In pursuit of sustainability in machining thin walled α‑titanium tubes: An industry supported study	45
Carbon aerogel based materials for secondary batteries	44
Electrochemical properties of bismuth chalcogenide/MXene/CNT heterostructures for application in Na-ion batteries	43
High-performance complementary electrochromic energy storage device based on tungsten trioxide and manganese dioxide films	42
Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines	41
Sustainable Kerala rice husk ash for formulation of basic tyre tread: Taking first step	40
An environmental impact comparison between wire + arc additive manufacture and forging for the production of a titanium component	37
Low-cost, superhydrophobic, flame-retardant sunflower straw-based xerogel as thermal insulation materials for energy-efficient buildings	36
Binder-free urchin-like 3D ZnCo2O4 nanostructure as a potential electrode for supercapacitors	36
Sustainable multifunctional foams for cold-chain packaging: Stabilizing polyethylene glycol with cellulose and pomegranate peel for antibacterial protection and temperature control	34
Zero-waste circular economy of plastic packaging: The bottlenecks and a way forward	34
Food waste eggshell valorization through development of new composites: A review	34
Bibliometric analysis and data visualization of research trends in lithium-ion and nickel-metal-hydride battery recycling processes	34
Microwave-assisted self-template synthesis of mesoporous anatase TiO2 spheres for non-aqueous Al-ion batteries: Textural property optimization and enhanced reversible Al3+ storage	33

Critical appraisal and systematic review of 3D & 4D printing in sustainable and environment-friendly smart manufacturing technologies	33
Preparation and characterization of B, S, and N-doped glucose carbon dots: Antibacterial, antifungal, and antioxidant activity	32
Antipathogenic upcycling of face mask waste into separation materials using green solvents	32
Carbon and nitrogen co-doped MoS2 nanoflakes as an electrode material for lithium-ion batteries and supercapacitors	32
Enhancement of phosphogypsum-based solid waste cementitious materials via seawater and metakaolin synergy: Strength, microstructure, and environmental benefits	32
Application of green solvents as a replacement of toxic dimethylformamide in the polylactic acid electrospinning process	31
Editorial Board	31