Understanding the Photoelectrochemical Behavior of Metal Nanoclusters: A Perspective
- Authors
- Abbas, Muhammad A.; Jeon, Minwook; Bang, Jin Ho
- Issue Date
- Oct-2022
- Publisher
- American Chemical Society
- Citation
- The Journal of Physical Chemistry C, v.126, no.40, pp 16928 - 16942
- Pages
- 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- The Journal of Physical Chemistry C
- Volume
- 126
- Number
- 40
- Start Page
- 16928
- End Page
- 16942
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/111536
- DOI
- 10.1021/acs.jpcc.2c05301
- ISSN
- 1932-7447
1932-7455
- Abstract
- Since the invention of metal nanocluster (NC)-based photo -electrochemical (PEC) devices, limited progress has been made in this area due to various intricacies associated with this new class of photoactive nanomaterials. Recent research has shown that NC-TiO2 photoelectrodes possess charge separation and transfer complexities that are not seen in dye- TiO2 or quantum dot-TiO2 photoelectrodes. Even the degradation mechanism of NC-based photoelectrodes has a multitude of complexities, such that the degradation of NCs can have a silver lining of introducing plasmons to enhance charge separation in NC-TiO2 photoelectrodes. Therefore, NC-based photoelectrodes require a comprehensive overview from a photoelectrochemistry perspective to better understand these systems. In this Perspective, we provide a review of recent progress in understanding the degradation and charge transfer mechanisms of NC-TiO2 photoelectrodes. We also provide an overview of the various methodologies to control the properties of NCs for PEC applications and how these variables have been utilized to improve NC-based PEC device performance. Finally, we discuss the future of NC-based PEC devices and highlight the immense research opportunities present in this field.
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