OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Materials and Technologies is 32. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Polyacrylamide/EDTA-modified chitosan/graphene oxide hydrogels as an adsorbent and supercapacitor for sustainable applications	125
Sustainable synthesis and manufacturing of silver powder-based metal clay for zero-waste technology applications	121
Validating synergistic effects of hybrid nanomaterials and progressive collapse behaviour of UHPC beams: Do particle packing theory, experiments and finite element analysis strongly interconnected?	104
Metal-rich biochar as an asphalt modifier to improve sustainability and reduce VOC emissions	101
Reusing cellulose acetate microplastic fibres derived from discarded cigarette butts as superior adsorbent for lead ions: UV ageing, adsorption mechanisms and DOM investigation	90
Effect of different MXene structures on solar interfacial evaporation	76
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	74
Developing hybrid C-sections from waste and recycled composite materials	72
Thermal insulating and fire-retardant lightweight carbon-slag composite foams towards absorption dominated electromagnetic interference shielding	64
Solid electrolytes based on i-carrageenan and different ionic liquids for sustainable electrochromic devices	62
Comprehensive overview of wood polymer composite: Formulation and technology, properties, interphase modification, and characterization	53
Low-cost, superhydrophobic, flame-retardant sunflower straw-based xerogel as thermal insulation materials for energy-efficient buildings	47
Carbon and nitrogen co-doped MoS2 nanoflakes as an electrode material for lithium-ion batteries and supercapacitors	45
High-performance complementary electrochromic energy storage device based on tungsten trioxide and manganese dioxide films	44
Electrochemical properties of bismuth chalcogenide/MXene/CNT heterostructures for application in Na-ion batteries	43
An environmental impact comparison between wire + arc additive manufacture and forging for the production of a titanium component	43
Microwave-assisted self-template synthesis of mesoporous anatase TiO2 spheres for non-aqueous Al-ion batteries: Textural property optimization and enhanced reversible Al3+ storage	42
Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines	41
In pursuit of sustainability in machining thin walled α‑titanium tubes: An industry supported study	38
Application of green solvents as a replacement of toxic dimethylformamide in the polylactic acid electrospinning process	37
Zero-waste circular economy of plastic packaging: The bottlenecks and a way forward	37
Enhancement of phosphogypsum-based solid waste cementitious materials via seawater and metakaolin synergy: Strength, microstructure, and environmental benefits	37
Antipathogenic upcycling of face mask waste into separation materials using green solvents	36
Sustainable multifunctional foams for cold-chain packaging: Stabilizing polyethylene glycol with cellulose and pomegranate peel for antibacterial protection and temperature control	36
Preparation and characterization of B, S, and N-doped glucose carbon dots: Antibacterial, antifungal, and antioxidant activity	35

Sustainable Kerala rice husk ash for formulation of basic tyre tread: Taking first step	35
Carbon aerogel based materials for secondary batteries	35
Food waste eggshell valorization through development of new composites: A review	33
Editorial Board	32
Binder-free urchin-like 3D ZnCo2O4 nanostructure as a potential electrode for supercapacitors	32
Editorial Board	32
Critical appraisal and systematic review of 3D & 4D printing in sustainable and environment-friendly smart manufacturing technologies	32