Abstract
Increasing global environmental deterioration is becoming a serious concern, leading to an exponential increase in scientific interest in renewable energy as an alternative to replace fossil fuels. Photoelectrochemical (PEC) water splitting, which directly converts sunlight into hydrogen fuel, offers a promising renewable energy technology. Semiconductors, used as photoelectrodes, provide the most feasible method for converting solar energy into electrical energy and chemical fuels. Unfortunately, most of the common semiconductors used in PEC water splitting have wide bandgaps, which greatly restrict the utilization efficiency of sunlight. To promote the solar-to-hydrogen (STH) efficiency of PEC water splitting, atomically precise clusters with regular crystal structures have been introduced in the PEC systems. In this review, the recent advances in nanoclusters for PEC water splitting, including metal clusters, polyoxometalates, semiconductor clusters, and carbon clusters, are summarized. At last, major challenges and outlook for the development of clusters for PEC water splitting are provided. © 2023 The Authors. EcoEnergy published by John Wiley & Sons Australia, Ltd on behalf of China Chemical Safety Association.
| Original language | English |
|---|---|
| Pages (from-to) | 60-84 |
| Number of pages | 25 |
| Journal | EcoEnergy |
| Volume | 1 |
| Issue number | 1 |
| Online published | 30 Oct 2023 |
| DOIs | |
| Publication status | Published - 2023 |
Funding
This work was financially supported by Research Foundation of China Postdoctoral Science (2019M653030), the City University of Hong Kong start-up fund, the Singapore Ministry of Education Academic Research Fund (AcRF) Tier 1: RG115/17 and RG115/18, and Tier 2: MOE2016-T2-2-004, the National Natural Science Foundation of China (21972094), and Guangdong Special Support Program, Pengcheng Scholar program, Shenzhen Peacock Plan (KQJSCX20170727100802505 and KQTD2016053112042971).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Research Keywords
- clusters
- energy conversion
- photoelectrochemical
- semiconductor
- water splitting
Publisher's Copyright Statement
- This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/
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