OOIR: Observatory of International Research

Papers

(The H4-Index of Materials Today is 90. 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
COVER	873
Front cover - Rainer Adelung et al.	416
Bio-based nanofibers promise versatile aerogels	322
Front cover - Zhiguo He et al.	315
How silicate nanoparticles can protect historic buildings	311
Inner cover 4 - Jing Liu et al.	306
First 3D-printed flexible OLED display demonstrated	284
Editorial Board	275
New shock-absorbing material could improve safety of helmets and vehicles	270
2D perovskitoids for enhanced photovoltaic stability	268
Rapid, one-pot, non-toxic and scalable synthesis of boron nitride nano-onions via lamp ablation	224
Advanced interfacial phase change material: Structurally confined and interfacially extended superlattice	213
Intrinsic weaknesses of Co-free Ni–Mn layered cathodes for electric vehicles	212
3D printed materials for combating antimicrobial resistance	207
Materials for chemical resistance type gas sensors: VOCs identification	205
Phase transition in two-dimensional monolayer (1L)-molybdenum disulfide induced by atomic S-basal plane gliding via synchrotron X-ray monochromatic beam radiation for superior electronic performance	196
Advances in the rational design of ionizable lipids for mRNA therapeutics	190
Resistive random access memory based artificial neural network for brain-inspired neuromorphic computing	190
Degradation mechanisms and lifetime extending strategy of phosphorescent and thermally activated delayed-fluorescence organic light-emitting diodes	189
Surface chemistry stabilized photolithography for high-resolution quantum dot electronic and optoelectronic devices	188
Nanograin–glass dual-phasic, elasto-flexible, fatigue-tolerant, and heat-insulating ceramic sponges at large scales	184
Strongly enhanced charge density via gradient nano-doping for high performance elastic-material-based triboelectric nanogenerators	184
On the role of charge transfer excitations in non-fullerene acceptors for organic photovoltaics	183
A NIR-II-emitting gold nanocluster-based drug delivery system for smartphone-triggered photodynamic theranostics with rapid body clearance	180
3D bioprinting of multicellular scaffolds for osteochondral regeneration	176

All-cellulose hydrogel with ultrahigh stretchability exceeding 40000%	174
New printing skin method helps heal chronic wounds	168
Assessing how biowaste can be used in optical applications	166
Editorial Board	163
Recycling PVC for a greener world	162
Front cover - Hang Zou et al.	156
Flexible patch gives wounds the signal to heal	149
Stable molten salts hold the key to solar storage	147
CONTENTS 1	146
Supersonic puncture-healable and impact resistant covalent adaptive networks	145
Large-area photo-patterning of initially conductive EGaIn particle-assembled film for soft electronics	144
Sol-Gel nano TiO2 synthesis using TTIP: Latest trends, a comprehensive review of attribute optimization and various applications	142
One-stone-three-birds strategy: a graphdiyne oxide nanosheet-involved drug-formed immune-boosting hydrogel with dual responsivity for triple-modal cancer immunotherapy	141
Anion-driven enabled functional nanomaterials from metal and metal oxide nanoparticles	138
Pathways towards truly brain-like computing primitives	138
Local structure modulations of single-atom catalysts in sulfur electrocatalysis: A comprehensive review	137
Energy-saving gas separation with boron nitride nanosheets	136
Metals beyond tomorrow: Balancing supply, demand, sustainability, substitution, and innovations	135
Resolving the early-stage nucleus structure and evolution in atomic systems	134
Dispersion-free highly accurate color recognition using excitonic 2D materials and machine learning	132
Intelligent systems using triboelectric, piezoelectric, and pyroelectric nanogenerators	132
Biofabrication of engineered tissues by 3D bioprinting of tissue specific high cell-density bioinks	131
The structure, material and performance of multi-functional tactile sensor and its application in robot field: A review	130
Applications, materials, and fabrication of micro glass parts and devices: An overview	130
Interfacial engineering of heterogeneous catalysts for electrocatalysis	128
Surface-engineered chlorella alleviated hypoxic tumor microenvironment for enhanced chemotherapy and immunotherapy of first-line drugs	127
Self-healing solid-state polymer electrolytes for high-safety and long-cycle lithium-ion batteries	126
Ferroelectric interface for efficient sodium metal cycling in anode-free solid-state batteries	126
Stalling CO2 evolution at high voltage by a catalytically induced LiF-rich interphase	124
Spontaneous heteroassembly of 2D semiconducting van der Waals materials in random solution phase	121
Combining clays and crustacean shells to make a high-performance nanogenerator	120
Wearable textile captures energy from body movement to power devices	119
New nano semiconductor materials show promise	118
Se takes dual role in CdTe solar cell passivation	117
MOF sensor detects iodine gas with outstanding sensitivity	116
Defect-induced enhanced Raman scattering of two-dimensional materials	114
Continuous production of Cl-terminated MXenes by bubbling chemical vapor growth in molten salt	112
Editorial Note: Wettability-patterned microchip for emerging biomedical materials and technologies by Yiwei Li, Bi-Feng Liu and Xingcai Zhang [Materials Today 51 (2021) 273–293]	110
Capturing the ultrahigh temperature response of materials with sub-scale tensile testing	110
Unraveling the molecular mechanisms of antisolvent action in localized high-concentration electrolytes for lithium metal batteries	107
Tailoring drug delivery systems by microfluidics for tumor therapy	106
Cascades of Fano resonances in light scattering by dielectric particles	105
Electrodeposition-enabled, electrically-transduced sensors and biosensors	104
Dynamic evolution of zinc directional deposition: Toward precise interface manipulation for reversible zinc metal anodes	104
A minimally designed PD-L1-targeted nanocomposite for positive feedback-based multimodal cancer therapy	101
Advanced triboelectric materials for liquid energy harvesting and emerging application	100
Chemically and mechanically defined hyaluronan hydrogels emulate the extracellular matrix for unbiased in vivo and in vitro organoid formation and drug testing in cancer	100
Design principles of microneedles for drug delivery and sampling applications	100
Pushing thermoelectric generators toward energy harvesting from the human body: Challenges and strategies	99
Controllable structure-engineered janus and alloy polymorphic monolayer transition metal dichalcogenides by plasma-assisted selenization process toward high-yield and wafer-scale production	99

Multi-field driven hybrid catalysts for CO2 reduction: Progress, mechanism and perspective	97
A reversible perovskite air electrode for active and durable oxygen reduction and evolution reactions via the A-site entropy engineering	96
Chain engineering of carbonyl polymers for sustainable lithium-ion batteries	96
Front cover - Alexander Balandin et al.	96
New 3D printing technique reduces part deformation	95
Front cover - Lin Ding et al.	95
Bioinspired soft robot walks on water	94
Light-triggered nanoparticles hit the target	94
Tribology of the diamond-silica interface	94
Editorial Board	93
Editorial Board	91
Electrocatalytic materials engineering: Towards the renaissance of electrochemical organic synthesis	91
Editorial Board	91
MXene–polymer composite blocks electromagnetic pollution	90
Superb storage and energy saving separation of hydrocarbon gases in boron nitride nanosheets via a mechanochemical process	90