Journal
CHEMICAL REVIEWS
Volume 120, Issue 1, Pages 310-433Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemrev.9b00288
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Funding
- European Commission's Horizon 2020 Programme as part of the MSCA-ITN project ArtMoMa [860434]
- FET-Open project MAGNIFY [801378]
- FNR Luxembourg
- USIAS-FRIAS
- Marie Curie Actions (MSCA) [860434] Funding Source: Marie Curie Actions (MSCA)
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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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