OOIR: Observatory of International Research

Papers

(The H4-Index of Nature Energy is 117. 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 2020-09-01 to 2024-09-01.)

Article	Citations
Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells	1498
Boron-doped nitrogen-deficient carbon nitride-based Z-scheme heterostructures for photocatalytic overall water splitting	899
Post-lithium-ion battery cell production and its compatibility with lithium-ion cell production infrastructure	755
Structural transformation of highly active metal–organic framework electrocatalysts during the oxygen evolution reaction	723
New roads and challenges for fuel cells in heavy-duty transportation	589
All-perovskite tandem solar cells with 24.2% certified efficiency and area over 1 cm2 using surface-anchoring zwitterionic antioxidant	557
The role of adsorbed hydroxide in hydrogen evolution reaction kinetics on modified platinum	485
Tailoring electrolyte solvation for Li metal batteries cycled at ultra-low temperature	478
Formulating energy density for designing practical lithium–sulfur batteries	462
Rational solvent molecule tuning for high-performance lithium metal battery electrolytes	447
Intact 2D/3D halide junction perovskite solar cells via solid-phase in-plane growth	414
Challenges in speeding up solid-state battery development	411
Ultra-high-voltage Ni-rich layered cathodes in practical Li metal batteries enabled by a sulfonamide-based electrolyte	397
Two-dimensional Ruddlesden–Popper layered perovskite solar cells based on phase-pure thin films	393
Processing thin but robust electrolytes for solid-state batteries	385
Nickel ferrocyanide as a high-performance urea oxidation electrocatalyst	375
Atomically dispersed iron sites with a nitrogen–carbon coating as highly active and durable oxygen reduction catalysts for fuel cells	372
Balancing interfacial reactions to achieve long cycle life in high-energy lithium metal batteries	341
Heuristic solution for achieving long-term cycle stability for Ni-rich layered cathodes at full depth of discharge	335
High areal capacity, long cycle life 4 V ceramic all-solid-state Li-ion batteries enabled by chloride solid electrolytes	332
Reactive boride infusion stabilizes Ni-rich cathodes for lithium-ion batteries	330
First-cycle voltage hysteresis in Li-rich 3d cathodes associated with molecular O2 trapped in the bulk	329
Rejuvenating dead lithium supply in lithium metal anodes by iodine redox	327
Pt/Fe2O3 with Pt–Fe pair sites as a catalyst for oxygen reduction with ultralow Pt loading	325
Gas diffusion electrodes, reactor designs and key metrics of low-temperature CO2 electrolysers	321

Bridging the gap between highly active oxygen reduction reaction catalysts and effective catalyst layers for proton exchange membrane fuel cells	317
Understanding Co roles towards developing Co-free Ni-rich cathodes for rechargeable batteries	315
Life-cycle assessment of an industrial direct air capture process based on temperature–vacuum swing adsorption	302
The design space for long-duration energy storage in decarbonized power systems	291
Thermally modulated lithium iron phosphate batteries for mass-market electric vehicles	290
Moving beyond 99.9% Coulombic efficiency for lithium anodes in liquid electrolytes	287
High-performing commercial Fe–N–C cathode electrocatalyst for anion-exchange membrane fuel cells	279
A unified description of non-radiative voltage losses in organic solar cells	274
A guest-assisted molecular-organization approach for >17% efficiency organic solar cells using environmentally friendly solvents	273
Design rules for high-efficiency both-sides-contacted silicon solar cells with balanced charge carrier transport and recombination losses	270
Greenhouse-inspired supra-photothermal CO2 catalysis	257
Designing anion exchange membranes for CO2 electrolysers	257
Free-standing ultrathin lithium metal–graphene oxide host foils with controllable thickness for lithium batteries	255
Assessment methods and performance metrics for redox flow batteries	253
Pressure-tailored lithium deposition and dissolution in lithium metal batteries	251
Defect compensation in formamidinium–caesium perovskites for highly efficient solar mini-modules with improved photostability	250
Tailored catalyst microenvironments for CO2 electroreduction to multicarbon products on copper using bilayer ionomer coatings	245
Impact of declining renewable energy costs on electrification in low-emission scenarios	241
High-power Mg batteries enabled by heterogeneous enolization redox chemistry and weakly coordinating electrolytes	239
Flexible all-perovskite tandem solar cells approaching 25% efficiency with molecule-bridged hole-selective contact	229
Lithiated metallic molybdenum disulfide nanosheets for high-performance lithium–sulfur batteries	224
Low-solvation electrolytes for high-voltage sodium-ion batteries	213
Generation of long-lived charges in organic semiconductor heterojunction nanoparticles for efficient photocatalytic hydrogen evolution	211
A high-energy-density and long-life initial-anode-free lithium battery enabled by a Li2O sacrificial agent	211
The role of O2 in O-redox cathodes for Li-ion batteries	210
Expert elicitation survey predicts 37% to 49% declines in wind energy costs by 2050	210
Operando cathode activation with alkali metal cations for high current density operation of water-fed zero-gap carbon dioxide electrolysers	210
An alcohol-dispersed conducting polymer complex for fully printable organic solar cells with improved stability	204
Evolution of defects during the degradation of metal halide perovskite solar cells under reverse bias and illumination	204
Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction	203
Ultralight and fire-extinguishing current collectors for high-energy and high-safety lithium-ion batteries	202
Interplay between temperature and bandgap energies on the outdoor performance of perovskite/silicon tandem solar cells	201
National growth dynamics of wind and solar power compared to the growth required for global climate targets	200
Progress and prospects for ultrathin solar cells	199
Additive engineering for robust interphases to stabilize high-Ni layered structures at ultra-high voltage of 4.8 V	197
Double-atom catalysts as a molecular platform for heterogeneous oxygen evolution electrocatalysis	196
Interfacial engineering to achieve an energy density of over 200 Wh kg−1 in sodium batteries	196
Regulating electrodeposition morphology in high-capacity aluminium and zinc battery anodes using interfacial metal–substrate bonding	195
Organic solar cells using oligomer acceptors for improved stability and efficiency	189
Stabilization of formamidinium lead triiodide α-phase with isopropylammonium chloride for perovskite solar cells	188
Low-bandgap mixed tin–lead iodide perovskites with reduced methylammonium for simultaneous enhancement of solar cell efficiency and stability	188
Ampere-hour-scale zinc–air pouch cells	187
Efficient bifacial monolithic perovskite/silicon tandem solar cells via bandgap engineering	187
Silicon heterojunction solar cells with up to 26.81% efficiency achieved by electrically optimized nanocrystalline-silicon hole contact layers	185
Homogeneous and mechanically stable solid–electrolyte interphase enabled by trioxane-modulated electrolytes for lithium metal batteries	185
Suppressed recombination loss in organic photovoltaics adopting a planar–mixed heterojunction architecture	182
Fuel cells with an operational range of –20 °C to 200 °C enabled by phosphoric acid-doped intrinsically ultramicroporous membranes	182
The critical role of composition-dependent intragrain planar defects in the performance of MA1–xFAxPbI3 perovskite solar cells	179
Continuous transition from double-layer to Faradaic charge storage in confined electrolytes	179
Monolithic perovskite/organic tandem solar cells with 23.6% efficiency enabled by reduced voltage losses and optimized interconnecting layer	179

Probabilistic feasibility space of scaling up green hydrogen supply	175
Calendar aging of silicon-containing batteries	175
H2O2 generation from O2 and H2O on a near-infrared absorbing porphyrin supramolecular photocatalyst	173
Strategies to improve light utilization in solar fuel synthesis	173
An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles	167
Introducing high-valence elements into cobalt-free layered cathodes for practical lithium-ion batteries	165
Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability	162
It’s time to focus on organic solar cell stability	160
Corrosion of lithium metal anodes during calendar ageing and its microscopic origins	156
Practical assessment of the performance of aluminium battery technologies	155
Aqueous electrolyte design for super-stable 2.5 V LiMn2O4 \|\| Li4Ti5O12 pouch cells	155
Electrochemical upgrade of CO2 from amine capture solution	154
Silicon anodes	151
Elemental de-mixing-induced epitaxial kesterite/CdS interface enabling 13%-efficiency kesterite solar cells	149
From laboratory innovations to materials manufacturing for lithium-based batteries	149
A bilayer conducting polymer structure for planar perovskite solar cells with over 1,400 hours operational stability at elevated temperatures	148
Efficient electrosynthesis of n-propanol from carbon monoxide using a Ag–Ru–Cu catalyst	144
A systematic review of the costs and impacts of integrating variable renewables into power grids	143
The role of high-socioeconomic-status people in locking in or rapidly reducing energy-driven greenhouse gas emissions	142
2D/3D heterojunction engineering at the buried interface towards high-performance inverted methylammonium-free perovskite solar cells	142
Subnano-sized silicon anode via crystal growth inhibition mechanism and its application in a prototype battery pack	141
Monitoring oxygen production on mass-selected iridium–tantalum oxide electrocatalysts	139
Burden of the global energy price crisis on households	137
A universal close-space annealing strategy towards high-quality perovskite absorbers enabling efficient all-perovskite tandem solar cells	137
Electrochemical synthesis of continuous metal–organic framework membranes for separation of hydrocarbons	137
Trapping lead in perovskite solar modules with abundant and low-cost cation-exchange resins	136
Ta–TiOx nanoparticles as radical scavengers to improve the durability of Fe–N–C oxygen reduction catalysts	134
Improving Pd–N–C fuel cell electrocatalysts through fluorination-driven rearrangements of local coordination environment	130
Sociodemographic disparities in energy insecurity among low-income households before and during the COVID-19 pandemic	129
Modulating crystal growth of formamidinium–caesium perovskites for over 200 cm2 photovoltaic sub-modules	128
Control of the phase evolution of kesterite by tuning of the selenium partial pressure for solar cells with 13.8% certified efficiency	126
Degradation mechanisms of perovskite solar cells under vacuum and one atmosphere of nitrogen	126
Bifunctional ionomers for efficient co-electrolysis of CO2 and pure water towards ethylene production at industrial-scale current densities	126
Persistent and partially mobile oxygen vacancies in Li-rich layered oxides	124
Breaking the hard-to-abate bottleneck in China’s path to carbon neutrality with clean hydrogen	124
Advances and challenges in understanding the microscopic structure–property–performance relationship in perovskite solar cells	123
The impact of surface composition on the interfacial energetics and photoelectrochemical properties of BiVO4	123
Surface in situ reconstruction of inorganic perovskite films enabling long carrier lifetimes and solar cells with 21% efficiency	122
Polysulfide-based redox flow batteries with long life and low levelized cost enabled by charge-reinforced ion-selective membranes	122
Li-ion battery electrolytes	121
Rate capability and Ragone plots for phase change thermal energy storage	118
Differences in carbon emissions reduction between countries pursuing renewable electricity versus nuclear power	118
Reversible hydrogenation of carbon dioxide to formic acid using a Mn-pincer complex in the presence of lysine	117
Selective CO2 electrocatalysis at the pseudocapacitive nanoparticle/ordered-ligand interlayer	117