Simultaneous Hot Electron and Hole Injection upon Excitation of Gold Surface Plasmon

Yocefu Hattori; Mohamed Abdellah; Jie Meng; Kaibo Zheng; Jacinto Sá

doi:10.1021/acs.jpclett.9b01085

Simultaneous Hot Electron and Hole Injection upon Excitation of Gold Surface Plasmon

Yocefu Hattori
, Mohamed Abdellah
, Jie Meng
, Kaibo Zheng
, Jacinto Sá

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We have successfully investigated the simultaneous injection of hot electrons and holes upon excitation of gold localized surface plasmon resonance (LSPR). The studies were performed on all-solid-state plasmonic system composed of titanium dioxide (TiO₂)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid) (PEDOT:PSS) p-n junctions with gold nanoparticles (Au NPs). The study revealed that both charge carriers are transferred within 200 fs to the respective charge acceptors, exhibiting a free carrier transport behavior. We also confirmed that the transfer of charge carriers are accompanied by change in the initial relaxation dynamics of Au NPs.

Original language	English
Pages (from-to)	3140-3146
Number of pages	7
Journal	Journal of Physical Chemistry Letters
Volume	10
Issue number	11
DOIs	https://doi.org/10.1021/acs.jpclett.9b01085
Publication status	Published - Jun 6 2019
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Physical and Theoretical Chemistry

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10.1021/acs.jpclett.9b01085

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abstract = "We have successfully investigated the simultaneous injection of hot electrons and holes upon excitation of gold localized surface plasmon resonance (LSPR). The studies were performed on all-solid-state plasmonic system composed of titanium dioxide (TiO2)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid) (PEDOT:PSS) p-n junctions with gold nanoparticles (Au NPs). The study revealed that both charge carriers are transferred within 200 fs to the respective charge acceptors, exhibiting a free carrier transport behavior. We also confirmed that the transfer of charge carriers are accompanied by change in the initial relaxation dynamics of Au NPs.",

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AU - Meng, Jie

AU - Zheng, Kaibo

AU - Sá, Jacinto

PY - 2019/6/6

Y1 - 2019/6/6

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AB - We have successfully investigated the simultaneous injection of hot electrons and holes upon excitation of gold localized surface plasmon resonance (LSPR). The studies were performed on all-solid-state plasmonic system composed of titanium dioxide (TiO2)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid) (PEDOT:PSS) p-n junctions with gold nanoparticles (Au NPs). The study revealed that both charge carriers are transferred within 200 fs to the respective charge acceptors, exhibiting a free carrier transport behavior. We also confirmed that the transfer of charge carriers are accompanied by change in the initial relaxation dynamics of Au NPs.

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Simultaneous Hot Electron and Hole Injection upon Excitation of Gold Surface Plasmon

Abstract

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