Issue 17, 2012
From the journal:

Physical Chemistry Chemical Physics

Photo-sensitive self-motion of a BQ disk†

Yui Matsuda,a   Nobuhiko J. Suematsubc  and  Satoshi Nakata*a  

* Corresponding authors

a Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima 739-8526, Japan
E-mail: nakatas@hiroshima-u.ac.jp
Fax: +81-82-424-7409
Tel: +81-82-424-7409

b Graduate School of Advanced Mathematical Sciences, Meiji University, 1-1-1 Higashi-mita, Tamaku, Kawasaki 214-8571, Japan

c Meiji Institute for Advanced Study of Mathematical Sciences (MIMS), 1-1-1 Higashi-mita, Tamaku, Kawasaki 214-8571, Japan

Abstract

The photo-sensitive self-motion of a benzoquinone (BQ) disk was investigated on a hydroquinone (HQ) aqueous solution. The mode-switching of self-motion, i.e., continuous → intermittent → no motion, was observed with an increase in the concentration of HQ. Upon irradiation with UV light (∼254 nm), the critical concentrations of HQ that were associated with the three modes of motion shifted to lower values, and the average speed of motion decreased. We discuss the mechanism of the photo-sensitive self-motion in relation to the photochemical reaction from BQ to HQ and the driving force of the disk.

Graphical abstract: Photo-sensitive self-motion of a BQ disk

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Article information

DOI
https://doi.org/10.1039/C2CP40306D
Article type
Paper
Submitted
01 Feb 2012
Accepted
06 Mar 2012
First published
06 Mar 2012

Phys. Chem. Chem. Phys., 2012,14, 5988-5991

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Photo-sensitive self-motion of a BQ disk

Y. Matsuda, N. J. Suematsu and S. Nakata, Phys. Chem. Chem. Phys., 2012, 14, 5988 DOI: 10.1039/C2CP40306D

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