OOIR: Observatory of International Research

Papers

(The H4-Index of Energy & Environmental Science is 130. 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
Back cover	667
Back cover	606
Contents list	606
A novel high-performance all-liquid formic acid redox fuel cell: simultaneously generating electricity and restoring the capacity of flow batteries	518
A hindered-urea vitrimer: recyclable for circular use and upcyclable for rechargeable batteries	437
Inside back cover	433
Back cover	424
Contents list	377
Inside front cover	366
Radical scavenger-driven oxidation prevention and structural stabilization for efficient and stable tin-based perovskite solar cells	348
Quantifying interfacial energetics of 2D semiconductor electrodes using in situ spectroelectrochemistry and many-body theory	346
Inside front cover	333
Evaluating the techno-economic potential of defossilized air-to-syngas pathways	332
Identification of non-traditional coordination environments for iron ions in nickel hydroxide lattices	326
Enhanced polysulfide trapping in Li–S batteries by dipole alignment in ferroelectric BaTiO₃	315
Organic photo-battery with high operating voltage using a multi-junction organic solar cell and an organic redox-polymer-based battery	295
Contents list	283
Synthesis of stretchable triboelectric material with strain-compensating ability using gradient interpenetrating polymer networks	283
Elucidating the chirality transfer mechanisms during enantioselective synthesis for the spin-controlled oxygen evolution reaction	280
Innovative electrode designs for low-temperature electrochemical CO₂ reduction with ampere-level performance	277
Constructing a highly efficient “solid–polymer–solid” elastic ion transport network in cathodes activates the room temperature performance of all-solid-state lithium batteries	276
3D printed triply periodic minimal surfaces as advanced structured packings for solvent-based CO₂ capture	272
Effects of cation superstructure ordering on oxygen redox stability in O2-type lithium-rich layered oxides	255
Sequential separation-driven solar methane reforming for H₂ derivation under mild conditions	254
CO₂ capture by pumping surface acidity to the deep ocean	251

Demonstration of 10+ hour energy storage with ϕ1′′ laboratory size solid oxide iron–air batteries	247
Advanced carbon-based rear electrodes for low-cost and efficient perovskite solar cells	246
A roadmap for achieving scalable, safe, and low-cost direct air carbon capture and storage	245
The growing metaverse sector can reduce greenhouse gas emissions by 10 Gt CO₂e in the united states by 2050	238
Inconsistency between superstructure stability and long-term cyclability of oxygen redox in Na layered oxides	236
Thermodynamically controlled chemical regeneration of spent battery cathodes using recyclable electron donors under ambient conditions	235
“Head surgery” of polycyclic o-quinones with cyanated aromatic rings towards high electron mobility acceptors enables 19.6% efficiency in additive-free binary organic solar cells	234
Interfacial gradient engineering synergized with self-adaptive cathodic defense for durable Zn-ion batteries	229
Near-cryogenic direct air capture using adsorbents	228
Combined intercalation and space-charge mechanism enabled high-capacity, ultrafast and long-lifespan sodium-ion storage for chalcogenide anodes	226
High-efficiency cathode potassium compensation and interfacial stability improvement enabled by dipotassium squarate for potassium-ion batteries	226
Prolonging the cycling lifetime of lithium metal batteries with a monolithic and inorganic-rich solid electrolyte interphase	224
Deciphering electrochemical interactions in metal–polymer catalysts for CO₂ reduction	216
Singlet oxygen is not the main source of electrolyte degradation in lithium–oxygen batteries	216
Degradation path prediction of lithium-ion batteries under dynamic operating sequences	215
An integrated Janus hydrogel with different hydrophilicities and gradient pore structures for high-performance zinc-ion batteries	214
Electrophilic molecule-induced π–π interactions reduce energy disorder of the hole transport layer for highly efficient perovskite solar modules	210
Binder design strategies for cathode materials in advanced secondary batteries	210
Constructing orderly crystal orientation with a bidirectional coordinator for high efficiency and stable perovskite solar cells	207
Towards 26% efficiency in inverted perovskite solar cells via interfacial flipped band bending and suppressed deep-level traps	205
Hydroxylated organic semiconductors for efficient photovoltaics and photocatalytic hydrogen evolution	205
Regulating the *OCCHO intermediate pathway towards highly selective photocatalytic CO₂ reduction to CH₃CHO over locally crystallized carbon nitride	201
Renovating the surface matrix of FAPbl₃ perovskite quantum dots via phase-transfer catalysis for 16.29% efficiency solar cells	199
Recent progress on metal–organic framework/polymer composite electrolytes for solid-state lithium metal batteries: ion transport regulation and interface engineering	198
Selective CO₂ electroreduction to multicarbon products exceeding 2 A cm⁻² in strong acids via a hollow-fiber Cu penetration electrode	197
The evolution of photocatalytic H₂O₂ generation: from pure water to natural systems and beyond	194
Low Pt loading with lattice strain for direct ethylene glycol fuel cells	193
Inside front cover	191
Back cover	191
Front cover	190
Inside back cover	190
Front cover	190
Inside back cover	188
Kinetic pathways of fast lithium transport in solid electrolyte interphases with discrete inorganic components	187
Concurrent energy storage and decarbonization by metal–CO₂ batteries: aqueous or non-aqueous?	186
All-organic siloxane-strengthening polymer dielectrics for high-temperature capacitive energy storage in harsh-environment electronics	185
Correction: Simultaneous generation of furfuryl alcohol, formate, and H₂ by co-electrolysis of furfural and HCHO over bifunctional CuAg bimetallic electrocatalysts at ultra-low voltage	185
Solid-state electrolytes expediting interface-compatible dual-conductive cathodes for all-solid-state batteries	184
Contents list	184
Correction: Optimizing accuracy and efficacy in data-driven materials discovery for the solar production of hydrogen	183
Inside front cover	183
Inside back cover	183
Inside front cover	183
Correction: A relaxor ferroelectric polymer with an ultrahigh dielectric constant largely promotes the dissociation of lithium salts to achieve high ionic conductivity	182
Inside back cover	179
A hexaanionic carboxyphenolate framework for high energy alkali cation storage	174
Direct conversion of thermal energy to stored electrochemical energy via a self-charging pyroelectrochemical cell	173
Towards standardized grid emission factors: methodological insights and best practices	172
Quantitative relationships between film morphology, charge carrier dynamics, and photovoltaic performance in bulk-heterojunction binary vs. ternary acceptor blends	171
Correction: High-efficiency, anode-free lithium–metal batteries with a close-packed homogeneous lithium morphology	170

Inorganic CsPbI₂Br halide perovskites: from fundamentals to solar cell optimizations	169
Does trapped O₂ form in the bulk of LiNiO₂ during charging?	169
Hydrogen bond-mediated pseudo-halide complexation for stable and efficient perovskite precursors and solar cells	169
Unravelling the potential of sustainable aviation fuels to decarbonise the aviation sector	168
Role of biofuels, electro-fuels, and blue fuels for shipping: environmental and economic life cycle considerations	164
N-dopants optimize the utilization of spontaneously formed photocharges in organic solar cells	161
Modular perovskite-BiVO₄ artificial leaves towards syngas synthesis on a m² scale	161
Highly efficient tandem luminescent solar concentrators based on eco-friendly copper iodide based hybrid nanoparticles and carbon dots	161
A mechanistic study of the dopant-induced breakdown in halide perovskites using solid state energy storage devices	161
On the interface electron transport problem of highly active IrO_x catalysts	159
Droplet energy harvesting panel	158
Aramid dielectric co-polymer: from molecular engineering to roll-to-roll scalability for high-temperature capacitive energy storage	157
Understanding and suppressing non-radiative losses in methylammonium-free wide-bandgap perovskite solar cells	154
A high-rate and high-efficiency molten-salt sodium–oxygen battery	154
Combining component screening, machine learning and molecular engineering for the design of high-performance inverted perovskite solar cells	154
Tailoring the surface cation configuration of Ruddlesden–Popper perovskites for controllable water oxidation performance	154
A structurally simple linear conjugated polymer toward practical application of organic solar cells	152
Omnidirectional diffusion of organic amine salts assisted by ordered arrays in porous lead iodide for two-step deposited large-area perovskite solar cells	151
A floatable photocatalyst to synergistically promote CO₂ reduction and water oxidation by creating oriented charge separation across a tri-phase interface	151
Perspectives for sustainability analysis of scalable perovskite photovoltaics	150
Electrochemistry and energy conversion features of protonic ceramic cells with mixed ionic-electronic electrolytes	149
Stretchable thermogalvanic hydrogel thermocell with record-high specific output power density enabled by ion-induced crystallization	148
Interphase control for high performance lithium metal batteries using ether aided ionic liquid electrolyte	145
Additive engineering with 2,8-dibromo-dibenzothiophene-S,S-dioxide enabled tin-based perovskite solar cells with 14.98% power conversion efficiency	145
Redox mediator-modified self-assembled monolayer stabilizes a buried interface in efficient inverted perovskite solar cells	144
Design and synthesis of triboelectric polymers for high performance triboelectric nanogenerators	143
An all-electrochem-active silicon anode enabled by spontaneous Li–Si alloying for ultra-high performance solid-state batteries	143
Trimming defective perovskite layer surfaces for high-performance solar cells	143
Accelerating interfacial desolvation kinetics using NaF-rich composite sodium for high-performance all-climate sodium–metal batteries	142
Modulating the electronic structure of Ni(OH)₂ by coupling with low-content Pt for boosting the urea oxidation reaction enables significantly promoted energy-saving hydrogen production	142
Engineering Ir-based catalysts for high current density applications in proton exchange membrane water electrolyzers	141
An integrated self-healing anode assembled via dynamic encapsulation of liquid metal with a 3D Ti₃C₂T_x network for enhanced lithium storage	141
In situ polymerization of solid-state polymer electrolytes for lithium metal batteries: a review	140
Dipole–dipole interactions for inhibiting solvent co-intercalation into a graphite anode to extend the horizon of electrolyte design	140
Tailoring acidic microenvironments for carbon-efficient CO₂electrolysis over a Ni–N–C catalyst in a membrane electrode assembly electrolyzer	139
Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities	138
Toward practical lithium-ion battery recycling: adding value, tackling circularity and recycling-oriented design	137
Direct air capture: process technology, techno-economic and socio-political challenges	137
A constant current triboelectric nanogenerator achieved by hysteretic and ordered charge migration in dielectric polymers	137
All-polymer solar cells with 19% efficiency via introducing pincer-shaped non-covalent bond interactions	136
The route for applied interfacial solar vapor generation: fundamental principles, device design, and practical application	136
Managing the two mode outputs of triboelectric nanogenerators to reach a pulsed peak power density of 31 MW m⁻²	136
Negatively charged platinum nanoparticles on dititanium oxide electride for ultra-durable electrocatalytic oxygen reduction	135
Decoupling light- and oxygen-induced degradation mechanisms of Sn–Pb perovskites in all perovskite tandem solar cells	135
Efficient rigid and flexible perovskite solar cells using strongly adsorbed molecules for lattice repair and grain boundary mitigation	134
Mesoscale polymer regulation for fast-charging solid-state lithium metal batteries	133
First-row transition metal-based materials derived from bimetallic metal–organic frameworks as highly efficient electrocatalysts for electrochemical water splitting	133
Distinct thermal runaway mechanisms of sulfide-based all-solid-state batteries	133
Self-assembled multilayers direct a buffer interphase for long-life aqueous zinc-ion batteries	133
Highly efficient sustainable strategies toward carbon-neutral energy production	132
Lithium-ion battery cell formation: status and future directions towards a knowledge-based process design	132
Molten salt electrolytes for electrochemical capacitors with energy densities exceeding 50 W h kg⁻¹	132
A robust starch–polyacrylamide hydrogel with scavenging energy harvesting capacity for efficient solar thermoelectricity–freshwater cogeneration	131
Robust hole transport material with interface anchors enhances the efficiency and stability of inverted formamidinium–cesium perovskite solar cells with a certified efficiency of 22.3%	131
A defect-rich carbon induced built-in interfacial electric field accelerating ion-conduction towards superior-stable solid-state batteries	131
An all-in-one free-standing single-ion conducting semi-solid polymer electrolyte for high-performance practical Li metal batteries	130