Cooperation of Hot Holes and Surface Adsorbates in Plasmon-Driven Anisotropic Growth of Gold Nanostars.
Journal
Journal of the American Chemical Society
ISSN: 1520-5126
Titre abrégé: J Am Chem Soc
Pays: United States
ID NLM: 7503056
Informations de publication
Date de publication:
24 Jun 2020
24 Jun 2020
Historique:
pubmed:
3
6
2020
medline:
3
6
2020
entrez:
3
6
2020
Statut:
ppublish
Résumé
Light-driven synthesis of plasmonic metal nanostructures has garnered broad scientific interests. Although it has been widely accepted that surface plasmon resonance (SPR)-generated energetic electrons play an essential role in this photochemical process, the exact function of plasmon-generated hot holes in regulating the morphology of nanostructures has not been fully explored. Herein, we discover that those hot holes work with surface adsorbates collectively to control the anisotropic growth of gold (Au) nanostructures. Specifically, it is found that hot holes stabilized by surface adsorbed iodide enable the site-selective oxidative etching of Au
Identifiants
pubmed: 32484345
doi: 10.1021/jacs.0c03342
pmc: PMC7549870
mid: NIHMS1633450
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
10921-10925Subventions
Organisme : Intramural NIST DOC
ID : 9999-NIST
Pays : United States
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