Themed collection Research advancing UN SDG 13: Climate Action

Phytochemical-based additives have functional groups that can modulate the nucleation and crystallization process of perovskite films resulting in improved optoelectronic and degradation resistance.

At 250 °C, using an electrochemical setup with a Ru catalyst, Pd alloy H₂-permeable membrane cathode, NaOH–KOH molten salt electrolyte, and Ni anode, NH₃ was synthesized from H₂O and N₂ with 30 mA cm⁻² current density of and 25% current efficiency.

Nanocrystalline high-entropy CoNiFeCrMnO_x thin films were prepared by dip-coating and annealing at 400 °C, showing stable oxygen evolution with overpotentials of 258 mV VS. RHE at 10 mA cm⁻² over 10 hours in alkaline media.

Binderless zeolite LTA and zeotype SAPO-34 macroscopic beads were synthesized and tested for their application in vacuum pressure swing adsorption (VPSA) to upgrade biogas to biomethane.

This study investigated the performance of metal-doped HZSM-5 catalysts in the conversion of low alcohols to hydrocarbons (LATH).

Rotten passion fruits, which are highly available in many countries during some periods of the year, can be used to efficiently produce CoFe₂O₄ material with special structural and electrochemical characteristics for the hydrogen evolution reaction.

A stable, efficient, and low-cost Ni-doped Bi₃O₄Br electrocatalyst for improved H₂ production in alkaline conditions.

Engineering interfacial materials for use between the active layer and the electrodes in organic and perovskite solar cells is one of the most effective ways to increase device efficiency.

Electrochemical flow cell demonstrates near-100% chemisorbing selectivity in separating propylene–propane gas mixtures, paving the way towards a sustainable olefin purifying process.

The table of contents entry represents the use of machine learning to find suitable Mn-based aromatic PNP catalysts for the CO₂ reduction reaction to HCOOH and CH₃OH.

Poor mass transfer in aqueous electrochemical CO₂ reduction limits the achievable current density toward desired products. We introduce flowable suspension electrodes to spread the current over a larger volume and alleviate mass transfer limitations.

Machine learning on perovskite photovoltaics reveals the relative importance of material and process information, while data degeneracy limits prediction accuracy.

Phosphotungstic acid (H₃PW₁₂O₄₀) can function as a surface solid electrolyte for porous WO₃ photoanode in gas-phase photoelectrochemical reactions such as water vapour splitting and methane conversion in the absence of liquid electrolytes.

New water reduction catalysts containing secondary amines in the backbones show turnover numbers for photochemical hydrogen evolution up to 2237.

Using microscopy and spectroscopy to assess ultrathin nanowire structure.

This study reports a comprehensive analysis of the operation of a biogas methanation system with a total 240 kW SNG output.

Next step forward towards green steel! A pilot plant integrated into a steel mill has been operated successfully and shows promising results. This novel, retrofitted process for steel production has the potential to cut global CO₂ emissions by 0.5%!