ArticleNature communications2025
Stable and efficient PbS quantum dot photoelectrodes enable photoelectrochemical hydrogen production without sacrificial agents.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
Funding
Abstract
Chalcogenides are promising materials for photoelectrochemical (PEC) water splitting owing to their suitable band gaps, favourable band alignments, and efficient charge transport properties. However, their practical application has been limited by poor stability in aqueous environments, as they are prone to self-oxidation prior to water oxidation. This instability typically necessitates the use of sacrificial agents to scavenge photogenerated holes, thereby restricting long-term device operation and real-world implementation. Here we report a metal-encapsulated PbS quantum dot (PbS-QD) solar cell-based photoelectrode that simultaneously achieves high photocurrent and long-term operational stability for PEC water splitting without sacrificial agents. The optimised PbS-QD-based photoanode delivers a photocurrent density of 18.6 mA cm
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Registered trials
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