Issue 19, 2024

Recent advances in photoelectrochemical hydrogen production using I–III–VI quantum dots

Abstract

Photoelectrochemical (PEC) water splitting, recognized for its potential in producing solar hydrogen through clean and sustainable methods, has gained considerable interest, particularly with the utilization of semiconductor nanocrystal quantum dots (QDs). This minireview focuses on recent advances in PEC hydrogen production using I–III–VI semiconductor QDs. The outstanding optical and electrical properties of I–III–VI QDs, which can be readily tuned by modifying their size, composition, and shape, along with an inherent non-toxic nature, make them highly promising for PEC applications. The performance of PEC devices using these QDs can be enhanced by various strategies, including ligand modification, defect engineering, doping, alloying, and core/shell heterostructure engineering. These approaches have notably improved the photocurrent densities for hydrogen production, achieving levels comparable to those of conventional heavy-metal-based counterparts. Finally, this review concludes by addressing the present challenges and future prospects of these QDs, underlining crucial steps for their practical applications in solar hydrogen production.

Graphical abstract: Recent advances in photoelectrochemical hydrogen production using I–III–VI quantum dots

Article information

Article type
Minireview
Submitted
11 Kul 2024
Accepted
24 Dzi 2024
First published
26 Dzi 2024

Nanoscale, 2024,16, 9295-9310

Recent advances in photoelectrochemical hydrogen production using I–III–VI quantum dots

H. C. Lee, J. H. Park, S. In and J. Yang, Nanoscale, 2024, 16, 9295 DOI: 10.1039/D4NR01040J

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