Controlling forward and backward rotary molecular motion on demand

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Controlling forward and backward rotary molecular motion on demand

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Pfeifer, L. / Crespi, Stefano / van der Meulen, P. / Kemmink, J. / Scheek, R. M. / Hilbers, M. F. / Buma, W. J. / Feringa, B. L.

Abstract

Synthetic molecular machines hold tremendous potential to revolutionize chemical and materials sciences. Their autonomous motion controlled by external stimuli allows to develop smart materials whose properties can be adapted on command. For the realisation of more complex molecular machines, it is crucial to design building blocks whose properties can be controlled by multiple orthogonal stimuli. A major challenge is to reversibly switch from forward to backward and again forward light-driven rotary motion using external stimuli. Here we report a push-pull substituted photo-responsive overcrowded alkene whose function can be toggled between that of a unidirectional 2(nd) generation rotary motor and a molecular switch depending on its protonation and the polarity of its environment. With its simplicity in design, easy preparation, outstanding stability and orthogonal control of distinct forward and backward motions, we believe that the present concept paves the way for creating more advanced molecular machines. Being able to control motion at the molecular level is vital for many future developments in the molecular sciences. Here, the authors report the controlled forward and backward rotation of a molecular motor guided by external stimuli.

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Titel :

Controlling forward and backward rotary molecular motion on demand

Beteiligte:

Pfeifer, L. (Autor:in) / Crespi, Stefano (Autor:in) / van der Meulen, P. (Autor:in) / Kemmink, J. (Autor:in) / Scheek, R. M. (Autor:in) / Hilbers, M. F. (Autor:in) / Buma, W. J. (Autor:in) / Feringa, B. L. (Autor:in)

Erscheinungsdatum :

2022-01-01

Anmerkungen:

ISI:000784997300119

DOI :

https://doi.org/10.1038/s41467-022-29820-5

Medientyp :

Aufsatz (Zeitschrift)

Format :

Elektronische Ressource

Sprache :

Englisch

Schlagwörter :

Materials Chemistry , Materialkemi

Klassifikation :

DDC:

629

Controlling forward and backward rotary molecular motion on demand

Controlling forward and backward rotary molecular motion on demand

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