Journal
NANOSCALE
Volume 5, Issue 8, Pages 3249-3252Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00352c
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Funding
- National Natural Science Foundation of China [90923003, 11274149, 11174190]
- National Basic Research Project of China [2009CB930701]
- Fundamental Research Funds for the Central Universities [2010ZYGX025]
- Innovation Funds of Graduate Programs, SNU [2010CXB004]
- Shenyang Key Laboratory of Optoelectronic Materials and Technology [F12-254-1-00]
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The nature of plasmon-driven chemical reactions is experimentally investigated using high vacuum tip-enhanced Raman spectroscopy (HV-TERS). It is revealed that the coupling between the tip and the substrate can produce intense plasmon resonance, which then decays to produce sufficient hot electrons and thus catalyses the chemical reaction. The photoelectron emission from the laser illuminated silver substrate alone cannot drive the reaction.
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