Cobalt-based mixed oxides are widely studied as oxygen evolution reaction (OER) catalysts
Research gap analysis derived from 3 chemistry papers in our local library.
The gap
Cobalt-based mixed oxides are widely studied as oxygen evolution reaction (OER) catalysts, yet their role as photoelectrochemical cocatalysts remains debated due to scarce operando studies probing irradiation-induced structural changes.
Evidence profile
Sourced from the stated research gap and abstract of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 3 journals. Those papers have been cited 47 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 3 representative gaps
- Nickel Electroless Deposition on Silicon Photoanodes: Improved Efficiency and Durability in Solar Water Oxidation (2026) · Silicon · doi
The corrosive environment and harsh conditions associated with the oxygen evolution reaction pose challenges in maintaining the performance of photoelectrodes. The development of highly efficient and stable photoelectrochemical systems for solar water oxidation is a significant challenge.
generalstated research gapevidence 5/5Keywords: corrosive environment harsh conditions associated oxygen evolution reaction - Operando x-ray absorption spectroscopy unveils light-driven redox dynamics at the semiconductor/cocatalyst interface (2025) · Science Advances · cited 19× · doi
Cobalt-based mixed oxides are widely studied as oxygen evolution reaction (OER) catalysts, yet their role as photoelectrochemical cocatalysts remains debated due to scarce operando studies probing irradiation-induced structural changes.
generalabstractevidence 5/5Keywords: cobalt based mixed oxides widely studied oxygen evolution reaction catalysts role photoelectrochemical cocatalysts remains debated - Bias distribution and regulation in photoelectrochemical overall water-splitting cells (2024) · National Science Review · cited 28× · doi
ABSTRACT The water oxidation half-reaction at anodes is always considered the rate-limiting step of overall water splitting (OWS), but the actual bias distribution between photoanodes and cathodes of photoelectrochemical (PEC) OWS cells has not been investigated systematically.
generalabstractevidence 5/5Keywords: water abstract oxidation half reaction anodes always considered rate limiting step overall splitting actual bias
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