Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles
Abstract
The evolution from the metallic (or plasmonic) to molecular state in metal nanoparticles constitutes a central question in nanoscience research because of its importance in revealing the origin of metallic bonding and offering fundamental insights into the birth of surface plasmon resonance. Previous research has not been able to probe the transition due to the unavailability of atomically precise nanoparticles in the 1–3 nm size regime. Herein, we investigate the transition by performing ultrafast spectroscopic studies on atomically precise thiolate-protected Au25, Au38, Au144, Au333, Au~520 and Au~940 nanoparticles. Our results clearly map out three distinct states: metallic (size larger than Au333, that is, larger than 2.3 nm), transition regime (between Au333 and Au144, that is, 2.3–1.7 nm) and non-metallic or excitonic state (smaller than Au144, that is, smaller than 1.7 nm). As a result, the transition also impacts the catalytic properties as demonstrated in both carbon monoxide oxidation and electrocatalytic oxidation of alcohol.
- Authors:
-
- Carnegie Mellon Univ., Pittsburgh, PA (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Anhui Univ., Anhui (China)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1347376
- Report Number(s):
- BNL-113660-2017-JA
Journal ID: ISSN 2041-1723; R&D Project: 16063/16058; KC0403020
- Grant/Contract Number:
- SC00112704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Communications
- Additional Journal Information:
- Journal Volume: 7; Journal ID: ISSN 2041-1723
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Center for Functional Nanomaterials; nanoparticles; ultrafast photonics
Citation Formats
Zhou, Meng, Zeng, Chenjie, Chen, Yuxiang, Zhao, Shuo, Sfeir, Matthew Y., Zhu, Manzhou, and Jin, Rongchao. Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles. United States: N. p., 2016.
Web. doi:10.1038/ncomms13240.
Zhou, Meng, Zeng, Chenjie, Chen, Yuxiang, Zhao, Shuo, Sfeir, Matthew Y., Zhu, Manzhou, & Jin, Rongchao. Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles. United States. https://doi.org/10.1038/ncomms13240
Zhou, Meng, Zeng, Chenjie, Chen, Yuxiang, Zhao, Shuo, Sfeir, Matthew Y., Zhu, Manzhou, and Jin, Rongchao. Mon .
"Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles". United States. https://doi.org/10.1038/ncomms13240. https://www.osti.gov/servlets/purl/1347376.
@article{osti_1347376,
title = {Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles},
author = {Zhou, Meng and Zeng, Chenjie and Chen, Yuxiang and Zhao, Shuo and Sfeir, Matthew Y. and Zhu, Manzhou and Jin, Rongchao},
abstractNote = {The evolution from the metallic (or plasmonic) to molecular state in metal nanoparticles constitutes a central question in nanoscience research because of its importance in revealing the origin of metallic bonding and offering fundamental insights into the birth of surface plasmon resonance. Previous research has not been able to probe the transition due to the unavailability of atomically precise nanoparticles in the 1–3 nm size regime. Herein, we investigate the transition by performing ultrafast spectroscopic studies on atomically precise thiolate-protected Au25, Au38, Au144, Au333, Au~520 and Au~940 nanoparticles. Our results clearly map out three distinct states: metallic (size larger than Au333, that is, larger than 2.3 nm), transition regime (between Au333 and Au144, that is, 2.3–1.7 nm) and non-metallic or excitonic state (smaller than Au144, that is, smaller than 1.7 nm). As a result, the transition also impacts the catalytic properties as demonstrated in both carbon monoxide oxidation and electrocatalytic oxidation of alcohol.},
doi = {10.1038/ncomms13240},
journal = {Nature Communications},
number = ,
volume = 7,
place = {United States},
year = {Mon Oct 24 00:00:00 EDT 2016},
month = {Mon Oct 24 00:00:00 EDT 2016}
}
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