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

Article	Citations
The effect of heteroatoms and temperature ramping rate on pyrolysis of coal tar pitch for high value of β-resin	167
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	158
Preparation and characterization of pitch-derived activated carbon pellet for butane adsorption	100
One-step preparation of N-doped porous carbon materials with excellent microwave absorption properties based on methylene blue saturated wood-based activated carbon	88
Experiment and molecular simulation for liquid phase adsorption of triethylenetetramine on activated carbon: equilibrium, kinetics, thermodynamics and molecular behavior	82
Cerium-doped carbon quantum dots trigger mung bean seeds to help mitigate salt stress by increasing the degree of stomata opening	73
Two-dimensional materials based on negative differential transconductance and negative differential resistance for the application of multi-valued logic circuit: a review	69
Evolution of electrical properties and microstructure of polyacrylonitrile-based carbon fibers during carbonization	68
Synergistic effect of novel ionic liquid/graphene complex on the flame retardancy of epoxy nanocomposites	65
Facile synthesis and characteristics of NiMoS2/rGO nanocomposites for energy and environmental application	59
Enhanced CO2 capture by cupuassu shell-derived activated carbon with high microporous volume	57
Analysis of pore formation and development in carbon blacks activated in a CO2 gas atmosphere through microstructural observation	55
Eco-friendly flame-retardant epoxy composite using tannic acid and upcycled carbon black via mechano-fusion	48
Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics	48
Facile microwave hydrothermal synthesis of citric acid-derived carbon dots for photothermal therapy of cancers under NIR irradiation	47
Carbon nanofiber electrodes derived from polyacrylonitrile/cucurbituril composite and their supercapacitor performance	44
Investigation and analysis of surface roughness in machining carbon fiber reinforced polymer composites using artificial intelligence techniques	43
Mechanism in pH effects of electrochemical reactions: a mini-review	42
Evolution of microstructure and properties of various types of PAN-based carbon fibers under the action of a mild electric field	41
Preparation of iron/carbon composite by grafting ferrocene to carbon nanofibers for supercapacitor electrodes	39
TiO2 nanoparticles anchored on graphene oxide nanosheets as a highly active photocatalyst for decabromodiphenyl ether degradation	39
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	39
Fluorescent carbon quantum dots synthesized from coconut shell for the detection of Fe3+ ion	39
Current overview of the valorization of bio-wastes for adsorbed natural gas applications	38
Comparison of carbon coating and MCMB structures used in graphite anodes for potassium ion batteries	38

Basic principles of resonance Rayleigh scattering in Graphene	37
Inorganic nanocrystal-carbon composite derived from cross-linked gallic acid derivative of polyphosphazenes for the efficient oxygen evolution reaction	37
Perspective on carbon nanotubes as conducting agent in lithium-ion batteries: the status and future challenges	37
Improving the compressive strength of interlaminar stiffened and reinforced glass fiber composites by CNT/epoxy composite film with photothermal effects	37
Preparation and electrochemical performance of porous carbon derived from polypyrrole	36
Optimization for testing conditions of inverse gas chromatography and surface energies of various carbon fiber bundles	36
Reusable, magnetic laser-induced graphene for efficient removal of organic pollutants from water	36
Correction: In-situ growth of ZIF-8/CP with ultra-high adsorption capacity for removing Malachite green from water	34
Electrospun and electropolymerized carbon nanofiber–polyaniline–Cu material as a hole transport material for organic solar cells	34