OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Energy & Fuels is 33. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Revealing the impact of the host-salt non-stoichiometry on the performance of perovskite solar cells	286
Ultrathin electron and proton-conducting membranes for nanoscale integrated artificial photosystems	146
A rational strategy for substantially enhancing the solar-utilization efficiency and organic-pollutant-degradation rate via mediated central processing unit filling	140
Front cover	119
Back cover	89
Back cover	84
Inside front cover	72
Inside front cover	70
Front cover	66
Comprehensive insights into the impact of straw types, temperature and atmosphere on pyrochar properties and its enhancement potential for anaerobic digestion	65
Methane conversion coupled with hydrogen production from water using Au/Ga₂O₃ photocatalysts prepared by different methods	61
Genome-resolved insights into Ni/Fe ₂ O ₃ nanocatalyst-enhanced dark fermentative hydrogen product	58
Advancing hydrothermal liquefaction of Canadian forestry biomass for sustainable biocrude production: co-solvent integration, co-liquefaction, and process optimization	56
Interface-engineered magnetically recoverable CoFe ₂ O ₄ /g-C ₃	53
Accelerating the ionic transport properties in a zwitterionic PAM-based hydrogel for direct liquid fuel cells	50
Platform chemicals from hardwood black liquor via hydrothermal liquefaction: influence of process conditions on product yields and quality	46
Front cover	44
Solar to hydrogen efficiency of 28.2% under natural sunlight achieved by a combination of five-junction concentrator photovoltaic modules and electrolysis cells	44
A ZIF-8 composite SiO₂-enhanced high-performance PEO-based solid-state electrolyte for Li-metal batteries	44
Correction: Tribo-piezoelectric nanogenerators for energy harvesting: a first-principles study	42
Photocatalytic CO ₂ reduction to methanol integrated with the oxidative coupling of thiols for S–X (X = S, C) bond formation over an Fe	42
Correction: Photocatalytic CO ₂ reduction to methanol integrated with the oxidative coupling of thiols for S–X (X = S, C) bond formation over an Fe	41
Rational design of a g-C₃N₄/Bi₂S₃/ZnS ternary heterojunction photoanode for improved solar water splitting	40
Dual functions of a microfluidic fuel cell as electricity generation and liquid pumping units	40
Hollow Sb nanocrystals confined in N, S Co-doped carbon nanofibers boosting sodium-ion transport for high-performance sodium-ion batteries	39

Decarbonization pathways for liquid fuels: a multi-sector energy system perspective	37
Unveiling the mechanism of CO₂ electroreduction to C₁ and C₂ products of ordered double transition metal MXenes	37
Hydrolysis of anhydrosugars derived from pyrolysis of lignocellulosic biomass for integration in a biorefinery	36
Enhanced room-temperature thermoelectric power factor of β-Zn₄Sb₃ thin films via surface roughness optimization	34
Mitigating redox mediator-induced surface recombination for efficient photoelectrocatalytic benzyl alcohol oxidation on Mo-doped bismuth vanadate	34
A layered double hydroxides/MXene composite based triboelectric nanogenerator for energy harvesting and self-powered electroplating applications	34
What is necessary to fill the technological gap to design sustainable dye-sensitized solar cells?	34
Dual engineering of electronic structure and nanoconfinement for high-efficiency ammonia borane hydrolysis over PtCo-oxCNH catalysts	33
Vanadium-doped cobalt selenide: an efficient bifunctional electrocatalyst for overall water splitting	33
Front cover	33
Chevrel phase Mo ₆ X ₈ materials for sustainable energy storage and conversion: from multivalent b	33
Enhanced performance of carbon-based CsPbI₂Br perovskite solar cells using interfacial modifiers	33