Entropic forces in rotaxane-based daisy chains: Toward tunable nanomechanical systems

G Gaétan Sanchez (University of Lille, CNRS, Centrale Lille, University Polytechnique Hauts-de-France, UMR 8520 - IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie 1 , Lille F-59000,) C Claudia Binetti (University of Lille, CNRS, Centrale Lille, University Polytechnique Hauts-de-France, UMR 8520 - IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie 1 , Lille F-59000,) G Giuseppe Florio (Department of Civil Environmental Land Building Engineering and Chemistry, DICATECh, Politecnico di Bari 2 , Via Orabona 4, Bari 70125,) N Nicola M. Pugno (Laboratory for Bioinspired, Bionic, Nano, Meta Materials and Mechanics, University of Trento 4 , Via Mesiano 77, Trento 38123,) G Giuseppe Puglisi (Department of Civil Environmental Land Building Engineering and Chemistry, DICATECh, Politecnico di Bari 2 , Via Orabona 4, Bari 70125,) S Stefano Giordano

Abstract

Mechanically interlocked polymers and molecules exhibit unique topological, physical, and chemical properties, making them highly promising for applications in molecular machines, molecular switches, artificial muscles, nano-actuators, nano-sensors, and biomedical technologies. While significant progress has been made in their synthesis and practical implementation, theoretical studies remain underexplored. In this work, we examine the role of entropic forces in daisy chain structures incorporating rotaxanes, with the ultimate goal of characterizing entropic nano-springs for use in nanomechanics and nanotechnology. Potential applications include artificial cytoskeletons, synthetic cells, and nano-mechanical logic gates.

Article Details

Volume / Issue Vol. 162, Issue 20
Published May 28, 2025
ISSN 0021-9606
Publisher American Institute of Physics

Journal Info

The Journal of Chemical Physics

American Institute of Physics

ISSN: 0021-9606 Physical Sciences

Authors (6)

G

Gaétan Sanchez

University of Lille, CNRS, Centrale Lille, University Polytechnique Hauts-de-France, UMR 8520 - IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie 1 , Lille F-59000,

C

Claudia Binetti

University of Lille, CNRS, Centrale Lille, University Polytechnique Hauts-de-France, UMR 8520 - IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie 1 , Lille F-59000,

G

Giuseppe Florio

Department of Civil Environmental Land Building Engineering and Chemistry, DICATECh, Politecnico di Bari 2 , Via Orabona 4, Bari 70125,

N

Nicola M. Pugno

Laboratory for Bioinspired, Bionic, Nano, Meta Materials and Mechanics, University of Trento 4 , Via Mesiano 77, Trento 38123,

G

Giuseppe Puglisi

Department of Civil Environmental Land Building Engineering and Chemistry, DICATECh, Politecnico di Bari 2 , Via Orabona 4, Bari 70125,

S

Stefano Giordano