OOIR: Observatory of International Research

Papers

(The H4-Index of Energy & Environmental Science is 126. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Transition metal-based bimetallic MOFs and MOF-derived catalysts for electrochemical oxygen evolution reaction	419
Guidelines for performing lignin-first biorefining	416
Potassium-ion batteries: outlook on present and future technologies	411
An artificial hybrid interphase for an ultrahigh-rate and practical lithium metal anode	383
Untangling the respective effects of heteroatom-doped carbon materials in batteries, supercapacitors and the ORR to design high performance materials	356
Enabling large-scale hydrogen storage in porous media – the scientific challenges	332
Strategies of regulating Zn²⁺solvation structures for dendrite-free and side reaction-suppressed zinc-ion batteries	324
Unraveling the dual defect sites in graphite carbon nitride for ultra-high photocatalytic H₂O₂ evolution	322
Manipulating the D:A interfacial energetics and intermolecular packing for 19.2% efficiency organic photovoltaics	322
Regulation methods for the Zn/electrolyte interphase and the effectiveness evaluation in aqueous Zn-ion batteries	317
Solar fuels: research and development strategies to accelerate photocatalytic CO₂ conversion into hydrocarbon fuels	314
In situ built interphase with high interface energy and fast kinetics for high performance Zn metal anodes	301
Bio-inspired design of anin situmultifunctional polymeric solid–electrolyte interphase for Zn metal anode cycling at 30 mA cm⁻²and 30 mA h cm⁻²	294
High-entropy energy materials: challenges and new opportunities	292
Strategies to suppress hydrogen evolution for highly selective electrocatalytic nitrogen reduction: challenges and perspectives	281
Lessons learned from spiro-OMeTAD and PTAA in perovskite solar cells	266
Recent progress in tin-based perovskite solar cells	261
Comprehensive understanding of the roles of water molecules in aqueous Zn-ion batteries: from electrolytes to electrode materials	259
Ultra-long-life and highly reversible Zn metal anodes enabled by a desolvation and deanionization interface layer	256
Two-birds-one-stone: multifunctional supercapacitors beyond traditional energy storage	254
A single-site iron catalyst with preoccupied active centers that achieves selective ammonia electrosynthesis from nitrate	247
Gas diffusion electrodes (GDEs) for electrochemical reduction of carbon dioxide, carbon monoxide, and dinitrogen to value-added products: a review	247
Environmental impacts, pollution sources and pathways of spent lithium-ion batteries	245
Reducing the thickness of solid-state electrolyte membranes for high-energy lithium batteries	238
Sodium transition metal oxides: the preferred cathode choice for future sodium-ion batteries?	230

Recent advances in ion selectivity with capacitive deionization	229
Durability of anion exchange membrane water electrolyzers	218
Perfecting electrocatalystsviaimperfections: towards the large-scale deployment of water electrolysis technology	217
Covalent organic framework-based materials for energy applications	212
Pd doping-weakened intermediate adsorption to promote electrocatalytic nitrate reduction on TiO₂ nanoarrays for ammonia production and energy supply with zinc–nitrate batteries	212
Re-examining rates of lithium-ion battery technology improvement and cost decline	211
Electrochemical carbon dioxide capture to close the carbon cycle	210
Machine learning for high performance organic solar cells: current scenario and future prospects	209
Concentrated dual-cation electrolyte strategy for aqueous zinc-ion batteries	207
All-solid-state lithium batteries enabled by sulfide electrolytes: from fundamental research to practical engineering design	207
Recent advances and perspectives on thin electrolytes for high-energy-density solid-state lithium batteries	200
Non-carbon-supported single-atom site catalysts for electrocatalysis	199
Atomic heterointerface engineering overcomes the activity limitation of electrocatalysts and promises highly-efficient alkaline water splitting	199
Phase change material-integrated latent heat storage systems for sustainable energy solutions	198
A review on the stability of inorganic metal halide perovskites: challenges and opportunities for stable solar cells	197
Battery cost forecasting: a review of methods and results with an outlook to 2050	194
Seawater electrolysis for hydrogen production: a solution looking for a problem?	194
Lattice oxygen redox chemistry in solid-state electrocatalysts for water oxidation	193
Noble-metal single-atoms in thermocatalysis, electrocatalysis, and photocatalysis	193
The high open-circuit voltage of perovskite solar cells: a review	192
Recent progress in electrochemical synthesis of ammonia from nitrogen: strategies to improve the catalytic activity and selectivity	192
Recent advances in innovative strategies for the CO₂ electroreduction reaction	190
Polyoxometalates (POMs): from electroactive clusters to energy materials	189
Realizing 6.7 wt% reversible storage of hydrogen at ambient temperature with non-confined ultrafine magnesium hydrides	186
Direct air capture: process technology, techno-economic and socio-political challenges	184
Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells	183
Regulating the oxidation state of nanomaterials for electrocatalytic CO₂ reduction	180
Emerging dynamic structure of electrocatalysts unveiled byin situX-ray diffraction/absorption spectroscopy	180
Tuning metal single atoms embedded in N_xC_y moieties toward high-performance electrocatalysis	180
Hard carbon for sodium storage: mechanism and optimization strategies toward commercialization	179
Power generation for wearable systems	179
Reducing cobalt from lithium-ion batteries for the electric vehicle era	178
Passivation and process engineering approaches of halide perovskite films for high efficiency and stability perovskite solar cells	178
Decoupled electrochemical water-splitting systems: a review and perspective	177
PEM Fuel cell and electrolysis cell technologies and hydrogen infrastructure development – a review	177
Optimized carrier extraction at interfaces for 23.6% efficient tin–lead perovskite solar cells	176
Gram-scale synthesis of carbon quantum dots with a large Stokes shift for the fabrication of eco-friendly and high-efficiency luminescent solar concentrators	175
Pyrolyzed M–N_x catalysts for oxygen reduction reaction: progress and prospects	173
Atomically dispersed single iron sites for promoting Pt and Pt₃Co fuel cell catalysts: performance and durability improvements	172
Ultrahigh solar-driven atmospheric water production enabled by scalable rapid-cycling water harvester with vertically aligned nanocomposite sorbent	172
Deciphering the alternating synergy between interlayer Pt single-atom and NiFe layered double hydroxide for overall water splitting	170
High-temperature polyimide dielectric materials for energy storage: theory, design, preparation and properties	170
Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells	170
Pushing commercialization of perovskite solar cells by improving their intrinsic stability	170
Nitrate reduction to ammonium: from CuO defect engineering to waste NO_x-to-NH₃economic feasibility	168
Interlayers for non-fullerene based polymer solar cells: distinctive features and challenges	168
Toward commercial-level mass-loading electrodes for supercapacitors: opportunities, challenges and perspectives	168
Liquid electrolyte development for low-temperature lithium-ion batteries	166
A hybrid plasma electrocatalytic process for sustainable ammonia production	166
High-performance anion exchange membrane water electrolyzers with a current density of 7.68 A cm⁻² and a durability of 1000 hours	164

Can sustainable ammonia synthesis pathways compete with fossil-fuel based Haber–Bosch processes?	164
Sulfur-assisted large-scale synthesis of graphene microspheres for superior potassium-ion batteries	163
Development of encapsulation strategies towards the commercialization of perovskite solar cells	163
Local spin-state tuning of cobalt–iron selenide nanoframes for the boosted oxygen evolution	163
Challenges in the use of hydrogen for maritime applications	161
A flame-retardant polymer electrolyte for high performance lithium metal batteries with an expanded operation temperature	160
Biomass-based materials for green lithium secondary batteries	159
Strategies towards enabling lithium metal in batteries: interphases and electrodes	159
Palladium alloys used as electrocatalysts for the oxygen reduction reaction	159
Fine-tuning of side-chain orientations on nonfullerene acceptors enables organic solar cells with 17.7% efficiency	158
Is direct seawater splitting economically meaningful?	157
Interfacial electronic coupling of ultrathin transition-metal hydroxide nanosheets with layered MXenes as a new prototype for platinum-like hydrogen evolution	156
Grafted MXene/polymer electrolyte for high performance solid zinc batteries with enhanced shelf life at low/high temperatures	154
Heterogeneous catalysts for CO₂hydrogenation to formic acid/formate: from nanoscale to single atom	154
22.8%-Efficient single-crystal mixed-cation inverted perovskite solar cells with a near-optimal bandgap	153
Spontaneous interface engineering for dopant-free poly(3-hexylthiophene) perovskite solar cells with efficiency over 24%	153
Recent progress on pristine metal/covalent-organic frameworks and their composites for lithium–sulfur batteries	152
Liquid metal batteries for future energy storage	152
A progressive nucleation mechanism enables stable zinc stripping–plating behavior	151
Amination strategy to boost the CO₂ electroreduction current density of M–N/C single-atom catalysts to the industrial application level	151
Progress and prospects of the morphology of non-fullerene acceptor based high-efficiency organic solar cells	150
Reaction intermediate-mediated electrocatalyst synthesis favors specified facet and defect exposure for efficient nitrate–ammonia conversion	149
A pH-universal ORR catalyst with single-atom iron sites derived from a double-layer MOF for superior flexible quasi-solid-state rechargeable Zn–air batteries	148
Identifying the origin of the V_oc deficit of kesterite solar cells from the two grain growth mechanisms induced by Sn²⁺ and Sn⁴⁺ precursors in DMSO solution	148
Carrier grain boundary scattering in thermoelectric materials	147
Natural gas hydrate resources and hydrate technologies: a review and analysis of the associated energy and global warming challenges	147
Large-scale hydrogen production via water electrolysis: a techno-economic and environmental assessment	146
Passive, high-efficiency thermally-localized solar desalination	146
Challenges and advances in wide-temperature rechargeable lithium batteries	146
Navigating fast and uniform zinc deposition via a versatile metal–organic complex interphase	144
Gradient fluorinated alloy to enable highly reversible Zn-metal anode chemistry	144
Fiber-based thermoelectrics for solid, portable, and wearable electronics	144
Life cycle assessment of carbon dioxide removal technologies: a critical review	143
Foldable potassium-ion batteries enabled by free-standing and flexible SnS₂@C nanofibers	142
In situpolymerization process: an essential design tool for lithium polymer batteries	141
A durable half-metallic diatomic catalyst for efficient oxygen reduction	140
Electrochemical energy storage devices working in extreme conditions	140
Engineering a self-adaptive electric double layer on both electrodes for high-performance zinc metal batteries	138
Elucidating the activity, mechanism and application of selective electrosynthesis of ammonia from nitrate on cobalt phosphide	137
Sustainable off-grid desalination of hypersaline waters using Janus wood evaporators	136
Perspective on the hydrogen economy as a pathway to reach net-zero CO₂emissions in Europe	136
Highly selective electroreduction of N₂ and CO₂ to urea over artificial frustrated Lewis pairs	134
Atomically dispersed nonmagnetic electron traps improve oxygen reduction activity of perovskite oxides	131
Advancing photoreforming of organics: highlights on photocatalyst and system designs for selective oxidation reactions	131
Activating the I⁰/I⁺ redox couple in an aqueous I₂–Zn battery to achieve a high voltage plateau	131
N-Bridged Co–N–Ni: new bimetallic sites for promoting electrochemical CO₂ reduction	130
Approaching a high-rate and sustainable production of hydrogen peroxide: oxygen reduction on Co–N–C single-atom electrocatalysts in simulated seawater	130
First-row transition metal-based materials derived from bimetallic metal–organic frameworks as highly efficient electrocatalysts for electrochemical water splitting	129
Principles of interlayer-spacing regulation of layered vanadium phosphates for superior zinc-ion batteries	127
Tuning halide perovskite energy levels	127
Rational compatibility in a ternary matrix enables all-small-molecule organic solar cells with over 16% efficiency	126
The origin of capacity fluctuation and rescue of dead Mn-based Zn–ion batteries: a Mn-based competitive capacity evolution protocol	126
A high-entropy atomic environment converts inactive to active sites for electrocatalysis	126