Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers

Emily A. Sprague-Klein, Bogdan Negru, Lindsey R. Madison, Scott C. Coste, Brandon K. Rugg, Alanna M. Felts, Michael O. McAnally, Mayukh Banik, Vartkess A. Apkarian, Michael R Wasielewski, Mark A Ratner, Tamar Seideman, George C Schatz, Richard P. Van Duyne

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Continuous wave (CW) pump-probe surface-enhanced Raman spectroscopy (SERS) is used to examine a range of plasmon-driven chemical behavior in the molecular SERS signal of trans-1,2-bis(4-pyridyl)ethylene (BPE) adsorbed on individual Au nanosphere oligomers (viz., dimers, trimers, tetramers, etc.). Well-defined new transient modes are caused by high fluence CW pumping at 532 nm and are monitored on the seconds time scale using a low intensity CW probe field at 785 nm. Comparison of time-dependent density functional theory (TD-DFT) calculations with the experimental data leads to the conclusion that three independent chemical processes are operative: (1) plasmon-driven electron transfer to form the BPE anion radical; (2) BPE hopping between two adsorption sites; and (3) trans-to-cis-BPE isomerization. Resonance Raman and electron paramagnetic resonance (EPR) spectroscopy measurements provide further substantiation for the observation of an anion radical species formed via a plasmon-driven electron transfer reaction. Applications of these findings will greatly impact the design of novel plasmonic devices with the future ability to harness new and efficient energetic pathways for both chemical transformation and photocatalysis at the nanoscale level.

Original languageEnglish
Pages (from-to)10583-10592
Number of pages10
JournalJournal of the American Chemical Society
Volume140
Issue number33
DOIs
Publication statusPublished - Aug 22 2018

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Nanospheres
Raman Spectrum Analysis
Oligomers
Gold
Anions
Ethylene
Chemical Phenomena
Electrons
Raman spectroscopy
Electron Spin Resonance Spectroscopy
Negative ions
Adsorption
Spectrum Analysis
Photocatalysis
Observation
Isomerization
Equipment and Supplies
Dimers
Density functional theory
Paramagnetic resonance

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Sprague-Klein, E. A., Negru, B., Madison, L. R., Coste, S. C., Rugg, B. K., Felts, A. M., ... Van Duyne, R. P. (2018). Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers. Journal of the American Chemical Society, 140(33), 10583-10592. https://doi.org/10.1021/jacs.8b06347

Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers. / Sprague-Klein, Emily A.; Negru, Bogdan; Madison, Lindsey R.; Coste, Scott C.; Rugg, Brandon K.; Felts, Alanna M.; McAnally, Michael O.; Banik, Mayukh; Apkarian, Vartkess A.; Wasielewski, Michael R; Ratner, Mark A; Seideman, Tamar; Schatz, George C; Van Duyne, Richard P.

In: Journal of the American Chemical Society, Vol. 140, No. 33, 22.08.2018, p. 10583-10592.

Research output: Contribution to journalArticle

Sprague-Klein, EA, Negru, B, Madison, LR, Coste, SC, Rugg, BK, Felts, AM, McAnally, MO, Banik, M, Apkarian, VA, Wasielewski, MR, Ratner, MA, Seideman, T, Schatz, GC & Van Duyne, RP 2018, 'Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers', Journal of the American Chemical Society, vol. 140, no. 33, pp. 10583-10592. https://doi.org/10.1021/jacs.8b06347
Sprague-Klein, Emily A. ; Negru, Bogdan ; Madison, Lindsey R. ; Coste, Scott C. ; Rugg, Brandon K. ; Felts, Alanna M. ; McAnally, Michael O. ; Banik, Mayukh ; Apkarian, Vartkess A. ; Wasielewski, Michael R ; Ratner, Mark A ; Seideman, Tamar ; Schatz, George C ; Van Duyne, Richard P. / Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers. In: Journal of the American Chemical Society. 2018 ; Vol. 140, No. 33. pp. 10583-10592.
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