Issue 7, 2011
From the journal:

Nanoscale

Enhancement of dye-sensitized photocurrents by gold nanoparticles: effects of dye–particle spacing

Tokuhisa Kawawaki,a   Yukina Takahashi†a  and  Tetsu Tatsuma*a  

* Corresponding authors

a Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
E-mail: tatsuma@iis.u-tokyo.ac.jp

Abstract

Photocurrents of a ruthenium dye–TiO2 system are enhanced by gold nanoparticles (100 or 40 nm diameter) embedded in TiO2. As dye–particle spacing decreases to 10 nm, enhancement factor and intensity of localized electric fields at the TiO2 surface increase. A further decrease in the spacing suppresses the enhancement.

Graphical abstract: Enhancement of dye-sensitized photocurrents by gold nanoparticles: effects of dye–particle spacing

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Article information

DOI
https://doi.org/10.1039/C1NR10416K
Article type
Communication
Submitted
23 Apr 2011
Accepted
25 May 2011
First published
16 Jun 2011

Nanoscale, 2011,3, 2865-2867

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Enhancement of dye-sensitized photocurrents by gold nanoparticles: effects of dye–particle spacing

T. Kawawaki, Y. Takahashi and T. Tatsuma, Nanoscale, 2011, 3, 2865 DOI: 10.1039/C1NR10416K

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