Design de movimentos coletivos de interruptores, rotores e motores moleculares sintéticos

segunda-feira, abril 20, 2020

Design of Collective Motions from Synthetic Molecular Switches, Rotors, and Motors

Damien Dattler Gad Fuks Joakim Heiser Emilie Moulin Alexis Perrot Xuyang Yao Nicolas Giuseppone*

Cite this: Chem. Rev. 2020, 120, 1, 310-433

Publication Date:December 23, 2019

Copyright © 2019 American Chemical Society


Precise control over molecular movement is of fundamental and practical importance in physics, biology, and chemistry. At nanoscale, the peculiar functioning principles and the synthesis of individual molecular actuators and machines has been the subject of intense investigations and debates over the past 60 years. In this review, we focus on the design of collective motions that are achieved by integrating, in space and time, several or many of these individual mechanical units together. In particular, we provide an in-depth look at the intermolecular couplings used to physically connect a number of artificial mechanically active molecular units such as photochromic molecular switches, nanomachines based on mechanical bonds, molecular rotors, and light-powered rotary motors. We highlight the various functioning principles that can lead to their collective motion at various length scales. We also emphasize how their synchronized, or desynchronized, mechanical behavior can lead to emerging functional properties and to their implementation into new active devices and materials.

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