OOIR: Observatory of International Research

Papers

(The H4-Index of Materials Today is 87. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Bottom-up, scalable synthesis of anatase nanofilament-based two-dimensional titanium carbo-oxide flakes	708
Printing high-resolution conformal electronics on meter-scale surfaces using template-confined microfluidics	361
Is alloying a promising path to substitute critical raw materials?	312
2D perovskitoids for enhanced photovoltaic stability	286
Highly robust cellulose photonic hydrogels with reconfigurability and mechanochromism	274
Unveiling the contact electrification of triboelectric fibers by exploring their unique micro- and macroscale structural properties	270
Ultra-lightweight compositionally complex alloys with large ambient-temperature hydrogen storage capacity	265
Advanced polyanionic electrode materials for potassium-ion batteries: Progresses, challenges and application prospects	262
Regulating interfacial behavior via reintegration the Helmholtz layer structure towards ultra-stable and wide-temperature-range aqueous zinc ion batteries	246
Thermally drawn rechargeable battery fiber enables pervasive power	245
Beyond Ti-based MXenes: A review of emerging non-Ti based metal-MXene structure, properties, and applications	243
Applications of MOF derivatives based on heterogeneous element doping in the field of electrochemical energy storage	243
Asymmetric structural design of a highly oriented multi-resonance emitter enables a record 41.5% external quantum efficiency in deep-blue OLED	231
Triboelectric immunotherapy using electrostatic-breakdown induced direct-current	225
Visualization of battery materials and their interfaces/interphases using cryogenic electron microscopy	219
Inner cover 4 - Jing Liu et al.	218
Inner cover 8 - Minseok Kwak et al.	216
CONTENTS 1	214
Inner cover 1 - Yusen Zhao et al.	194
Inner cover 1 - Joel Berry et al.	193
Front cover - Bao Qiu et al.	189
Inner cover 3 - Duk-Hyun Choe et al.	186
Inner cover 7 - Chandra Sekhar Tiwary et al.	183
Inner cover 2 - Bilu Liu et al.	178
Front cover - Yoon Seok Jung et al.	176

CONTENTS 1	169
Pores open door to metal-free electrocatalysts	166
New shock-absorbing material could improve safety of helmets and vehicles	165
2D molecular sieve with range of uses	162
Chitosan thermo-gel eyed for success	161
First 3D-printed flexible OLED display demonstrated	159
Front cover – Jan Genzer et al.	158
Pinecones present an open and shut case	155
Designing 4D-printed self-shaping materials systems	154
Nanoparticles hold magnetic attraction for plastic waste	154
Nanoparticles target developing lung tissue	148
Precipitates help increase toughness of a structural alloy	148
Nature inspires fight against bacterial infections in prosthetics	144
3D printing improved with reusable support	144
Mystery of metal-nitrogen-carbon catalysts solved	142
‘Digital’ ivory promises ethical repairs of artefacts	135
Inner cover 1 - Anand Puthirath et al.	132
Inner cover 2 - Pooyan Makvandi et al.	132
Front cover - Johannes Kasnatscheew et al.	131
CONTENTS 1	128
Colourful solar panels could be on the way	127
Rapid printing technology moves us closer to 3D printed tissue and organs	127
Additive manufacturing personalizes implants	127
Inner cover 2 - Derek Hao et al.	125
Front cover - Qiang Zhang et al.	121
CONTENTS 2	121
New optical coating increases the lifetime of photovoltaic cells	120
Bio-based nanofibers promise versatile aerogels	117
Front cover - Rainer Adelung et al.	117
Front cover - Zhiguo He et al.	116
Reducing the energy consumption of building homes	116
CONTENTS 2	116
CONTENTS 1	115
CONTENTS 2	115
COVER	114
3D smart dressings for treating burn patients	114
CONTENTS 2	114
Gelatin-based film that can self-repair smartphones	113
Low-energy approach to cleaning dirty water	113
Polymer nanoparticles on the brain	111
Single stage process for converting coal into graphite	110
Thermoplastic waste recycled into useful composite	109
Non-collinear antiferromagnets allow more advanced functionalities	109
Self-powered UV lamp shows promise for use in food safety applications	108
Inkjet-printed BPA sensors show promise for use in food safety	105
Silver-doped bone scaffolds combat infection	103
Additive manufacturing method gets a radio frequency speed boost	103
Improved perovskite photovoltaic cells using anti-reflective layer	103
Edible electronics get a step closer	101
Membranes that effectively remove salt from water	100

Mapping the temperature of heated nanotubes	99
How silicate nanoparticles can protect historic buildings	97
2D materials stressed for quantum investigation	96
Holey unusual form of graphyne synthesized	94
Controlling the domain structure of antiferromagnets	93
Harvesting electricity from seawater can be sweet	92
Front cover - Junlong Liao et al.	91
Bacterial biomass processed directly into biodegradable plastics	90
High carrier mobility and remarkable photovoltaic performance of two-dimensional Ruddlesden–Popper organic–inorganic metal halides (PA)2(MA)2M3I10 for perovskite solar cell applications	89
Compressible, gradient-immersion, regenerable carbon nanotube sponges as high-performance lithium–oxygen battery cathodes	89
Design of thin solid-state electrolyte films for safe and energy-dense batteries	88
Microparticles by microfluidic lithography	88
Emerging microfluidics for bioreactor	87