Issue 17, 2013
From the journal:

Nanoscale

Gold cluster–nanoparticle diad systems for plasmonic enhancement of photosensitization

Atsushi Kogo,a   Yukina Takahashi,†a   Nobuyuki Sakai‡a  and  Tetsu Tatsuma*a  

* Corresponding authors

a Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
E-mail: tatsuma@iis.u-tokyo.ac.jp
Fax: +81-3-5452-6338
Tel: +81-3-5452-6336

Abstract

Quantum-sized gold clusters are deposited on TiO2 both as a photosensitizer and catalyst, and coupled to plasmonic gold nanoparticles as a light harvesting antenna. Photocurrent enhancement was observed for Au25(SG)18 and Au38(SG)24 but not for Au102(SG)44 (SG = glutathione). The maximum enhancement factor of ∼9 is reached at 900 nm.

Graphical abstract: Gold cluster–nanoparticle diad systems for plasmonic enhancement of photosensitization

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Article information

DOI
https://doi.org/10.1039/C3NR02420B
Article type
Paper
Submitted
10 May 2013
Accepted
30 Jun 2013
First published
01 Jul 2013
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2013,5, 7855-7860

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Gold cluster–nanoparticle diad systems for plasmonic enhancement of photosensitization

A. Kogo, Y. Takahashi, N. Sakai and T. Tatsuma, Nanoscale, 2013, 5, 7855 DOI: 10.1039/C3NR02420B

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