OOIR: Observatory of International Research

Papers

(The H4-Index of Sustainable Energy & Fuels is 35. 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
Photocatalytic CO₂ reduction to methanol integrated with the oxidative coupling of thiols for S–X (X = S, C) bond formation over an Fe₃O₄/BiVO₄ composite	236
Front cover	164
Revealing the impact of the host-salt non-stoichiometry on the performance of perovskite solar cells	141
The structural factors affecting the sensory properties of polyaniline derivatives	111
Ultrathin electron and proton-conducting membranes for nanoscale integrated artificial photosystems	111
Effect of ZnO and PEDOT:PSS charge selective layers on photovoltage of cuprous oxide (Cu₂O) heterojunction solar cells	99
Statistical analysis of ethanol/diesel dual-fuel combustion of compression ignition engines in RCCI mode using multi-injection strategies	97
Dual functions of a microfluidic fuel cell as electricity generation and liquid pumping units	90
Unveiling the mechanism of CO₂ electroreduction to C₁ and C₂ products of ordered double transition metal MXenes	83
Solar to hydrogen efficiency of 28.2% under natural sunlight achieved by a combination of five-junction concentrator photovoltaic modules and electrolysis cells	75
A rational strategy for substantially enhancing the solar-utilization efficiency and organic-pollutant-degradation rate via mediated central processing unit filling	67
Methane conversion coupled with hydrogen production from water using Au/Ga₂O₃ photocatalysts prepared by different methods	63
Hydrodeoxygenation reactivity of the carbonyl group and carboxyl group and their interaction: taking 2-pentanone, valeric acid, and levulinic acid as examples	61
The synergistic effect of fluorine atom and alkyl chain positions in enhancing organic photovoltaic open-circuit voltage and morphology miscibility	60
Back cover	58
Microbubble synthesis of hybridised bacterial cellulose–gelatin separators for multifunctional supercapacitors	53
Correction: Photocatalytic CO₂ reduction to methanol integrated with the oxidative coupling of thiols for S–X (X = S, C) bond formation over an Fe₃O₄/BiVO₄	53
Correction: Tribo-piezoelectric nanogenerators for energy harvesting: a first-principles study	51
Front cover	46
Inside front cover	46
Rapid laser synthesis of medium-entropy alloy nanostructures for neutral seawater electrolysis	45
Nitrogen-doped porous carbon nanosheets as a robust catalyst for tunable CO₂ electroreduction to syngas	44
State and prospects of photovoltaic module waste generation in China, USA, and selected countries in Europe and South America	44
Back cover	43
Back cover	42

Inside front cover	42
Contents list	40
Contents list	39
Dopant-free fluorene based dimers linked with thiophene units as prospective hole transport materials for Sb₂S₃ solar cells	39
Sulfhydryl modified silver-titanium oxide to effectively and stably promote the electrocatalytic reduction of carbon dioxide to CO	38
Enhanced performance of carbon-based CsPbI₂Br perovskite solar cells using interfacial modifiers	38
The annual-hydrogen-yield-climatic-response ratio: evaluating the real-life performance of integrated solar water splitting devices	37
Synthesis of an SBA-15 supported NiPtN catalyst for dehydrogenation of hydrazine hydrate	37
Free-standing P-doped Fe₂O₃/ZnO nanotubes as a bifunctional electrocatalyst for electrochemical water splitting	37
Synthesis of urea from CO₂ and N₂ fixation under mild conditions using polarized hydroxyapatite as a catalyst	36
Synthesis of P-doped CdS nanorods for efficient blue LED light induced photocatalytic hydrogen evolution	35
Modulating CsPbBr₃ nanocrystals encapsulated in PCN-224(Zr) for boosting full-spectrum-driven CO₂ reduction: S-scheme transfer, photothermal-synergistic effect, and DFT calculati	35
Vanadium-doped cobalt selenide: an efficient bifunctional electrocatalyst for overall water splitting	35
A layered double hydroxides/MXene composite based triboelectric nanogenerator for energy harvesting and self-powered electroplating applications	35
Plasmonic Au nanoparticle sandwiched CuBi₂O₄/Sb₂S₃photocathode with multi-mediated electron transfer for efficient solar water splitting	35