OOIR: Observatory of International Research

Papers

(The H4-Index of Clean Technologies and Environmental Policy 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 2021-08-01 to 2025-08-01.)

Article	Citations
Stability improvement of laccase for micropollutant removal of pharmaceutical origins from municipal wastewater	194
Constructing solid waste-derived carbon fiber with self-doped Ti3+/TiO2 (SWCFs/Ti3+/TiO2) heterojunction for photocatalytic CO2 reduction	110
The potential of the P-graph for optimizing public service processes	93
Engine performance study for solketal-gasoline fuel blend in a four-stroke SI engine	93
Material flow of nickel in nickel metal hydride batteries waste and possible circularity improvement in Thailand	71
Correction to: Do Energy Resources matter for Growth Level? The dynamic effects of different strategies of renewable energy, carbon emissions on sustainable economic growth	66
Performance evaluation of cement-stabilized coalmine overburden-furnace slag-fly ash mixes as economical and sustainable base course material for flexible pavement	54
Correction: The effect of building orientation on energy efficiency	54
Study on a transversal–longitudinal ventilation structure for the caged chicken house	51
The impact of energy consumption permit trading scheme on green development efficiency: firm-level evidence in China	50
Optimal capacitated multi-product robust cement supply chain Network design considering carbon emission policies	48
Research on carbon neutral key technology in the iron and steel industry based on hypergraph topological characteristics	47
Green fabrication of Ag–Ni–Mn-Zn nanoparticles from watermelon peels and its antioxidant, dye degradation and molecular docking studies	45
Black gram husk-derived carbon dots: characterization and catalytic dye reduction activities	45
Factors affecting renewable energy technology adoption policies of 50 states and district of Columbia in the USA	44
Degradation of amoxicillin using CoFe2O4@three-dimensional TiO2@graphene aerogels composite: kinetic, reusability, mineralization, degradation pathway, and toxicity assessment	43
Melt processing of biodegradable poly(butylene succinate) (PBS)—a critical review	39
Multi-criteria analysis of barriers to the use of green building technologies in residential buildings: a case study of Mashhad, Iran	39
Evaporative caustic soda recovery in textile mercerization: environmental sustainability and economics	38
Assessing eco-technological innovation efficiency using DEA approach: insights from the OECD countries	37
Activation of nanoparticles of nickel ferrite by divalent metal ions co-doping for the methyl orange dye’s photocatalytic degradation: a kinetic and adsorption isotherm study	36
A general risk optimization model for green technology deployment under neutrosophic uncertainty	36
Water quality of harvested rainwater from asbestos cement roofs and its suitability for irrigation	36
A SWOT-AHP analysis on biodiesel as an alternative future marine fuel	35
Nanozymes: advance enzyme-mimicking theragnostic tool: a review	34

A sustainable solution: mitigating sulphur dioxide emissions through adsorption on chemically modified iron oxide nanoparticles	33
Thermodynamic and economic evaluation and optimization of the applicability of integrating an innovative multi-heat recovery with a dual-flash binary geothermal power plant	33
Impact of nanomaterials on leather: a nano-Saga from processing to application	32
Sustainability and power generation: a comprehensive analysis of the Brazilian power sector’s energy and exergy aspects	31
Toward dynamic sustainability assessment in the digital age	30
Pretreatment of skins with masked silicates for low-pollution emission tanning technology	30