Charge Carrier Dynamics at Heterojunction of Semiconductor Nanoheterostructures for Photocatalytic Solar Fuel Generation

This review summarizes the investigation of semiconductor nanoheterostructures (NHSs) aimed at enhancing the efficiency of solar fuel generation through various time‐resolved spectroscopic techniques, including transient absorption spectroscopy (TAS), time‐resolved photoluminescence, and in situ TAS...

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Bibliographic Details
Main Authors: Kai‐An Tsai, Jui‐Cheng Chang, Ying‐Chih Pu
Format: Article
Language:English
Published: Wiley-VCH 2025-07-01
Series:Advanced Energy & Sustainability Research
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Online Access:https://doi.org/10.1002/aesr.202400329
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Summary:This review summarizes the investigation of semiconductor nanoheterostructures (NHSs) aimed at enhancing the efficiency of solar fuel generation through various time‐resolved spectroscopic techniques, including transient absorption spectroscopy (TAS), time‐resolved photoluminescence, and in situ TAS. These time‐resolved spectroscopies provide insights into the mechanisms of exciton and charge carrier dynamics at the heterojunctions of optimized semiconductor NHSs. The significance of these techniques underscores the necessity for designing effective photocatalysts and photoelectrodes for applications in photocatalytic water splitting and carbon dioxide reduction. Finally, the current challenges and future directions for studying charge carrier dynamics in semiconductor NHSs for photocatalytic solar fuel generation are outlined and discussed.
ISSN:2699-9412