OOIR: Observatory of International Research

Papers

(The H4-Index of Materials Today is 84. 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 2020-05-01 to 2024-05-01.)

Article	Citations
Hydrogel machines	641
Structure and activity of nanozymes: Inspirations for de novo design of nanozymes	419
Heteroatom doped graphene engineering for energy storage and conversion	411
Directed energy deposition (DED) additive manufacturing: Physical characteristics, defects, challenges and applications	381
Strategies for design of electrocatalysts for hydrogen evolution under alkaline conditions	319
Hybrid solar-driven interfacial evaporation systems: Beyond water production towards high solar energy utilization	291
PBDB-T and its derivatives: A family of polymer donors enables over 17% efficiency in organic photovoltaics	275
Graphene-based wearable piezoresistive physical sensors	272
The development of carbon dots: From the perspective of materials chemistry	231
2D g-C3N4 for advancement of photo-generated carrier dynamics: Status and challenges	218
Multistage work hardening assisted by multi-type twinning in ultrafine-grained heterostructural eutectic high-entropy alloys	215
Flexible thermoelectric materials and devices: From materials to applications	214
Overcoming blood–brain barrier transport: Advances in nanoparticle-based drug delivery strategies	206
A review of material aspects in developing direct Z-scheme photocatalysts	197
Transition metal chalcogenide anodes for sodium storage	190
Perspectives on solution processing of two-dimensional MXenes	187
Energy and environmental aspects in recycling lithium-ion batteries: Concept of Battery Identity Global Passport	186
Recent breakthroughs and perspectives of high-energy layered oxide cathode materials for lithium ion batteries	185
Crossroads in the renaissance of rechargeable aqueous zinc batteries	182
Robust natural nanocomposites realizing unprecedented ultrafast precise molecular separations	181
Single atom is not alone: Metal–support interactions in single-atom catalysis	181
Thermal camouflaging metamaterials	181
Critical review of recent progress of flexible perovskite solar cells	173
Polymer electrolytes and interfaces in solid-state lithium metal batteries	173
Emerging 2D metal oxides and their applications	171

Halide perovskites for high-performance X-ray detector	169
A highly stabilized Ni-rich NCA cathode for high-energy lithium-ion batteries	166
Rechargeable aqueous zinc-ion batteries: Mechanism, design strategies and future perspectives	165
Challenges and future perspectives on sodium and potassium ion batteries for grid-scale energy storage	164
A review of additive manufacturing of metamaterials and developing trends	162
A review on self-healing polymers for soft robotics	161
Challenges and promises of lithium metal anode by soluble polysulfides in practical lithium–sulfur batteries	158
Thermally drawn advanced functional fibers: New frontier of flexible electronics	158
Mechanochemistry: Toward green synthesis of metal–organic frameworks	157
Nanostructural metallic materials: Structures and mechanical properties	157
Smart polymers and nanocomposites for 3D and 4D printing	152
Emerging 2D nanomaterials for biomedical applications	150
Vitrimers: Current research trends and their emerging applications	147
Electrolyte design for Li metal-free Li batteries	141
A review on the stability and surface modification of layered transition-metal oxide cathodes	140
Shape morphing smart 3D actuator materials for micro soft robot	138
Porous nanocellulose gels and foams: Breakthrough status in the development of scaffolds for tissue engineering	138
Nanozyme-involved biomimetic cascade catalysis for biomedical applications	136
Stimuli-responsive transdermal microneedle patches	136
On the expanded Maxwell’s equations for moving charged media system – General theory, mathematical solutions and applications in TENG	130
A novel photothermally controlled multifunctional scaffold for clinical treatment of osteosarcoma and tissue regeneration	129
The new generation of soft and wearable electronics for health monitoring in varying environment: From normal to extreme conditions	129
Superconductivity at 253 K in lanthanum–yttrium ternary hydrides	128
Recent advances in black-phosphorus-based materials for electrochemical energy storage	126
Narrow-band emitters in LED backlights for liquid-crystal displays	123
Ionic conductive polymers as artificial solid electrolyte interphase films in Li metal batteries – A review	120
Perovskite: Scintillators, direct detectors, and X-ray imagers	119
Porous Janus materials with unique asymmetries and functionality	118
All-in-one 3D acceleration sensor based on coded liquid–metal triboelectric nanogenerator for vehicle restraint system	116
Selective membranes in water and wastewater treatment: Role of advanced materials	114
MXene materials based printed flexible devices for healthcare, biomedical and energy storage applications	114
Highly stretchable self-sensing actuator based on conductive photothermally-responsive hydrogel	113
Fabricating functional circuits on 3D freeform surfaces via intense pulsed light-induced zinc mass transfer	109
Comprehensive understanding of Li/Ni intermixing in layered transition metal oxides	108
Emerging artificial nitrogen cycle processes through novel electrochemical and photochemical synthesis	107
Solid-state lithium–sulfur batteries: Advances, challenges and perspectives	106
Local chemical fluctuation mediated ductility in body-centered-cubic high-entropy alloys	105
Interfacial engineering of heterogeneous catalysts for electrocatalysis	105
Design of Fe-based nanocrystalline alloys with superior magnetization and manufacturability	104
Superior mechanical properties of a selective-laser-melted AlZnMgCuScZr alloy enabled by a tunable hierarchical microstructure and dual-nanoprecipitation	102
Defect engineering in nanozymes	101
Unveiling the structural origin to control resistance drift in phase-change memory materials	101
Zwitterionic polymers and hydrogels for antibiofouling applications in implantable devices	101
Battery materials for low-cost electric transportation	100
Alloy design via additive manufacturing: Advantages, challenges, applications and perspectives	100
Accelerated and conventional development of magnetic high entropy alloys	99
Bio-acceptable 0D and 1D ZnO nanostructures for cancer diagnostics and treatment	97
Recent advances in polymers and polymer composites for food packaging	96
Challenges and recent advances in photodiodes-based organic photodetectors	96
Recent development of perovskite oxide-based electrocatalysts and their applications in low to intermediate temperature electrochemical devices	96

Advanced polyanionic electrode materials for potassium-ion batteries: Progresses, challenges and application prospects	94
Functional nanomaterials in peripheral nerve regeneration: Scaffold design, chemical principles and microenvironmental remodeling	93
Functionalized separator for next-generation batteries	92
Supramolecular confinement of single Cu atoms in hydrogel frameworks for oxygen reduction electrocatalysis with high atom utilization	91
Advanced characterization techniques for solid state lithium battery research	89
Advanced designs for output improvement of triboelectric nanogenerator system	89
Self-healing flexible/stretchable energy storage devices	87
A brief review of dynamic mechanical metamaterials for mechanical energy manipulation	86
Metal organic framework (MOF) in aqueous energy devices	86
Emerging inorganic compound thin film photovoltaic materials: Progress, challenges and strategies	84
A review of concepts and contributions in lithium metal anode development	84