Issue 1, 2009
From the journal:

Photochemical & Photobiological Sciences

Cis-to-trans photoconversion of azobenzene self-assembled monolayers on gold nanoparticle surfaces investigated by Raman spectroscopy†

Sung Ik Yang,a   Ki-Hyun Kim,b   Daeseung Kang*c  and  Sang-Woo Joo*d  

* Corresponding authors

a College of Environment and Applied Chemistry, Kyung Hee University, Yongin, Korea

b Atmospheric Environmental Laboratory, Department of Earth and Environmental Sciences, Sejong University, Seoul, Korea

c School of Electrical Engineering, Soongsil University, Seoul, Korea

d Department of Chemistry, Soongsil University, Seoul, Korea
E-mail: dkang@ssu.ac.kr sjoo@ssu.ac.kr
Fax: +82-2-820-0434
Tel: +82-2-820-0642

Abstract

Cis-trans photoconversion behaviors of 4-dimethylaminoazobenzenecarboxylate (4DAzC) on gold nanoparticle surfaces have been investigated by means of Raman spectroscopy. The vibrational features indicated that both the cis- and trans-conformation should coexist after the adsorption on gold nanoparticle surfaces. After the irradiation of the blue light, the intensities of the cis-form peaks were found to decrease on gold. Our work can demonstrate that Raman spectroscopy can be utilized in studying the photoconversion of azobenzene-containing self-assembled monolayers fabricated on metal surfaces.

Graphical abstract: Cis-to-trans photoconversion of azobenzene self-assembled monolayers on gold nanoparticle surfaces investigated by Raman spectroscopy

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Article information

DOI
https://doi.org/10.1039/B808903E
Article type
Communication
Submitted
28 May 2008
Accepted
03 Oct 2008
First published
24 Oct 2008

Photochem. Photobiol. Sci., 2009,8, 31-33

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Cis-to-trans photoconversion of azobenzene self-assembled monolayers on gold nanoparticle surfaces investigated by Raman spectroscopy

S. I. Yang, K. Kim, D. Kang and S. Joo, Photochem. Photobiol. Sci., 2009, 8, 31 DOI: 10.1039/B808903E

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