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Assessing the Viscoelasticity of Photopolymer Nanowires Using a Three-Parameter Solid Model for Bending Recovery Motion

Kubackova, Jana and Slaby, Cyril and Horvath, Denis and Hovan, Andrej and Iványi, Tamás Gergely and Vizsnyiczai, Gaszton and Kelemen, Lóránd (2021) Assessing the Viscoelasticity of Photopolymer Nanowires Using a Three-Parameter Solid Model for Bending Recovery Motion. NANOMATERIALS, 11 (11). ISSN 2079-4991

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Abstract

Photopolymer nanowires prepared by two-photon polymerization direct laser writing (TPP-DLW) are the building blocks of many microstructure systems. These nanowires possess viscoelastic characteristics that define their deformations under applied forces when operated in a dynamic regime. A simple mechanical model was previously used to describe the bending recovery motion of deflected nanowire cantilevers in Newtonian liquids. The inverse problem is targeted in this work; the experimental observations are used to determine the nanowire physical characteristics. Most importantly, based on the linear three-parameter solid model, we derive explicit formulas to calculate the viscoelastic material parameters. It is shown that the effective elastic modulus of the studied nanowires is two orders of magnitude lower than measured for the bulk material. Additionally, we report on a notable effect of the surrounding aqueous glucose solution on the elasticity and the intrinsic viscosity of the studied nanowires made of Ormocomp.

Item Type: Article
Additional Information: Funding Agency and Grant Number: Slovak Research and Development AgencySlovak Research and Development Agency [APVV-18-0285]; Slovak Ministry of Education [VEGA 2/0094/21]; Operational Program Integrated Infrastructure; ERDF F (Project: OPENMED) [ITMS2014+: 313011V455]; joint project of Slovak Academy of Sciences [NKM-53/2021]; joint project of Hungarian Academy of Sciences [NKM-53/2021]; National Research Development and Innovation Fund [FK138520]; Eoetvoes Lorand Research Network [SA-75/2021] Funding text: This work was funded by the Slovak Research and Development Agency (grant APVV-18-0285), the Slovak Ministry of Education (grant VEGA 2/0094/21), the Operational Program Integrated Infrastructure, funded by the ERDF (Project: OPENMED, ITMS2014+: 313011V455), the joint project of Slovak and Hungarian Academies of Sciences (NKM-53/2021) and the National Research Development and Innovation Fund (FK138520). G.V. acknowledges funding from the Eoetvoes Lorand Research Network under the grant agreement No. SA-75/2021.
Uncontrolled Keywords: NANOWIRE; two-photon polymerization; 2-PHOTON POLYMERIZATION; Materials Science, Multidisciplinary; Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Viscoelastic material;
Subjects: Q Science / természettudomány > QH Natural history / természetrajz > QH301 Biology / biológia > QH3020 Biophysics / biofizika
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 07 Feb 2022 10:40
Last Modified: 07 Feb 2022 10:40
URI: http://real.mtak.hu/id/eprint/137449

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