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Issue 12, 2014
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Light to investigate (read) and operate (write) molecular devices and machines

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Abstract

The development of multicomponent (supramolecular) systems that can perform predetermined functions under external control – i.e., molecular devices – is a challenging task in chemistry and a fascinating objective in the frame of a bottom-up approach to nanostructures. In this context light signals can be conveniently used both for supplying energy to the system and for probing its states and transformations. The aim of this tutorial review is to recall a few basic aspects of light-induced processes that can be used to “write” and “read” onto molecular and supramolecular systems. These principles are illustrated through some examples of artificial molecular devices and machines taken from our work, which provide a flavour of current research. They are molecular and supramolecular systems that operate and/or perform valuable functions by exploiting photoinduced energy- or electron-transfer processes, photoisomerization reactions, or photoinduced proton transfer. The choice of these examples was based on both their intrinsic importance for the referred topic and their educational value. In the last section of the review potential applications, limitations and future directions of the research in the field of artificial molecular devices and machines are also discussed.

Graphical abstract: Light to investigate (read) and operate (write) molecular devices and machines

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Article information


Submitted
05 Nov 2013
First published
03 Mar 2014

Chem. Soc. Rev., 2014,43, 4068-4083
Article type
Tutorial Review
Author version available

Light to investigate (read) and operate (write) molecular devices and machines

P. Ceroni, A. Credi and M. Venturi, Chem. Soc. Rev., 2014, 43, 4068
DOI: 10.1039/C3CS60400D

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