OOIR: Observatory of International Research

Papers

(The H4-Index of Materials Chemistry Frontiers is 49. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Solvent-free isomerization of trialkoxy-heptazine derivatives featuring efficient intermolecular rearrangements	257
Contents list	206
Back cover	146
Back cover	131
Back cover	128
Contents list	125
Deep-red/NIR AIEgens based on electron-withdrawing dithiafulvalene-fused benzothiadiazole for solution-processed non-doped OLEDs	123
Direct styrene hydrogenation on a metal-free boron–nitrogen doped carbon catalyst	123
Advances and strategies of electrolyte regulation in Zn-ion batteries	120
Dimension-dependent intrinsic point defect characteristics of binary photovoltaic materials	112
Iridium-based electrocatalysts for the acidic oxygen evolution reaction: engineering strategies to enhance the activity and stability	102
In situ construction of vertically aligned AlN skeletons for enhancing the thermal conductivity of stearic acid-based phase-change composites	102
Advances in polymer electrolytes for solid-state zinc–air batteries	97
Molecular structure effects on the mechanisms of corrosion protection of model epoxy coatings on metals	93
Boosting the catalytic performance of metalloporphyrin-based covalent organic frameworks via coordination engineering for CO₂ and O₂ reduction	92
Interfacing chemistry and materials for heavy metal ion sensing: mechanistic foundations and adaptive design strategies	91
Rare earth-based MOFs for photo/electrocatalysis	88
Isolation strategy for a novel luminescent Eu³⁺-pyridine-2,6-dicarboxylic acid complex with high compatibility and stability for light-conversion agricultural films	84
Colloidal fluorine-doped ZnO quantum dots: the synergistic action of atomic doping and growth conditions directs fluorescence and photoactivity	83
Decoupled rigid–flexible synergistic assembly in robust hydrogen-bonded organic frameworks for directional proton transport	81
Non-precious metal-based catalysts for water electrolysis to produce H₂ under industrial conditions	78
Tuning the exchange-coupling effect in raspberry-like γ-Fe₂O₃@CoO nanoparticles engineered through the single variation of the surfactant concentration in the synthesis process	75
FeNi₃ nanoparticles for electrocatalytic synthesis of urea from carbon dioxide and nitrate	74
Anin situ-fabricated p-Co₃O₄@n-ZnO surface heterojunction photocatalyst for solar-to-fuel conversion of CO₂	74
Contents list	71

C₄N quantum dots/g-C₃N₄ nanosheets organic homogeneous structure self-assembly for efficient charge separation and photocatalytic hydrogen evolution	70
An in situ synthesized manganese ferrite@4-hydroxy mandelic acid composite for removal of lead ions and Congo red	70
Influence of the pendant substituent at the C1 position of a spirobifluorene scaffold on the electronic properties	69
Emergence of Ruddlesden–Popper phases and other pitfalls for moderate temperature solution deposited chalcogenide perovskites	69
Coordinated water molecule-induced solid-state superprotonic conduction by a highly scalable and pH-stable coordination polymer (CP)	66
Advances and challenges in symmetrical solid oxide electrolysis cells: materials development and resource utilization	62
Recent advances in MXenes: a promising 2D material for photocatalysis	61
One arrow two eagles: design and synthesis of “all-in-one” nanoscale Cu-IR825 nanoparticles for photothermally augmented chemodynamic therapy	61
Multicolor 3D afterglow structures with high precision and ultralong lifetimes based on carbazole-doped photocurable resins	61
Recent advances in trifunctional electrocatalysts for Zn–air batteries and water splitting	61
B-site cation sequencing in SrMnO ₃ using iron for zinc–air battery electrocatalysis: a structural evaluation	60
Violet light excitable organic halides with short ∼ns emissions for multiple optoelectronic applications	60
The role of single copper atoms in enhancing the photocatalytic activity of carbon nitride for selective oxidation	59
Temperature-induced helix inversion in naphthyl-based cholesteric liquid crystals	59
An assembled ternary photocatalyst CoPh/CdSe@TiO2 for simultaneous photocatalytic CO₂and proton reduction	58
Contents list	56
Contents list	56
Back cover	54
Self-supporting Fe₇S₈ microsphere/N-doped carbonized silk textile for high-performance sodium-ion batteries	54
New heater@luminescent thermometer nano-objects: Prussian blue core@silica shell loaded with a β-diketonate Tb³⁺/Eu³⁺ complex	54
Multifunctional nanomicelles constructed via an aggregation and de-aggregation strategy for magnetic resonance/NIR II fluorescence imaging-guided type I	53
Single atom embedded ZnO monolayers as bifunctional electrocatalysts for the ORR/OER: a machine learning-assisted DFT study	50
Back cover	50
Pd@CN-COF: a pool for palladium(0)-catalyzed reactions	50