OOIR: Observatory of International Research

Papers

(The H4-Index of Carbon Letters is 34. 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
The effect of heteroatoms and temperature ramping rate on pyrolysis of coal tar pitch for high value of β-resin	170
Sun-powered synthesis: harnessing multiwall carbon nanotube-EB photocatalytic magic in a unified photocatalytic-biocatalytic system for solar- driven L-glutamate production from ɑ-ketoglutarate	166
Preparation and characterization of pitch-derived activated carbon pellet for butane adsorption	104
One-step preparation of N-doped porous carbon materials with excellent microwave absorption properties based on methylene blue saturated wood-based activated carbon	91
Experiment and molecular simulation for liquid phase adsorption of triethylenetetramine on activated carbon: equilibrium, kinetics, thermodynamics and molecular behavior	83
Evolution of electrical properties and microstructure of polyacrylonitrile-based carbon fibers during carbonization	77
Synergistic effect of novel ionic liquid/graphene complex on the flame retardancy of epoxy nanocomposites	74
Facile synthesis and characteristics of NiMoS2/rGO nanocomposites for energy and environmental application	70
Analysis of pore formation and development in carbon blacks activated in a CO2 gas atmosphere through microstructural observation	65
Preparation of iron/carbon composite by grafting ferrocene to carbon nanofibers for supercapacitor electrodes	59
Eco-friendly flame-retardant epoxy composite using tannic acid and upcycled carbon black via mechano-fusion	59
Evolution of microstructure and properties of various types of PAN-based carbon fibers under the action of a mild electric field	59
Facile microwave hydrothermal synthesis of citric acid-derived carbon dots for photothermal therapy of cancers under NIR irradiation	51
Carbon nanofiber electrodes derived from polyacrylonitrile/cucurbituril composite and their supercapacitor performance	50
Current overview of the valorization of bio-wastes for adsorbed natural gas applications	48
Perspective on carbon nanotubes as conducting agent in lithium-ion batteries: the status and future challenges	45
Fluorescent carbon quantum dots synthesized from coconut shell for the detection of Fe3+ ion	45
Novel pH-sensitive of organic composite (kc-g-poly(AAc-co-AAm)/bentonite), synthesis and characterization candidate as a carrier for controlled release system in vitro to some drugs	44
A comparative study of microstructures and thermal conductivities of nuclear graphite	43
Mechanism in pH effects of electrochemical reactions: a mini-review	41
Investigation and analysis of surface roughness in machining carbon fiber reinforced polymer composites using artificial intelligence techniques	41
Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics	41
Enhanced CO2 capture by cupuassu shell-derived activated carbon with high microporous volume	40
Cerium-doped carbon quantum dots trigger mung bean seeds to help mitigate salt stress by increasing the degree of stomata opening	40
Basic principles of resonance Rayleigh scattering in Graphene	39

Two-dimensional materials based on negative differential transconductance and negative differential resistance for the application of multi-valued logic circuit: a review	39
Comparison of carbon coating and MCMB structures used in graphite anodes for potassium ion batteries	39
TiO2 nanoparticles anchored on graphene oxide nanosheets as a highly active photocatalyst for decabromodiphenyl ether degradation	39
Inorganic nanocrystal-carbon composite derived from cross-linked gallic acid derivative of polyphosphazenes for the efficient oxygen evolution reaction	38
Improving the compressive strength of interlaminar stiffened and reinforced glass fiber composites by CNT/epoxy composite film with photothermal effects	38
Optimization for testing conditions of inverse gas chromatography and surface energies of various carbon fiber bundles	37
Customized carbon composite nanomaterials for the mitigation of emerging contaminants: a review of recent trends	34
Study on fixation mechanism of soil available nutrients and optimization of production process of nutrient-rich biochar based on XGBoost machine learning prediction model	34
Preparation of PAN/GO composite nanofiber membrane for oil-containing wastewater treatment	34