Optical sensing of stress in polymers

R. Göstl, J.M. Clough, R.P. Sijbesma

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

1 Citation (Scopus)
1 Downloads (Pure)

Abstract

This chapter discusses recent approaches towards the optical detection of stress and deformation in polymeric materials, an important tool in monitoring material integrity and in the study of failure mechanisms of polymeric materials. Optical sensing has specific advantages based on the ease of detection, high sensitivity and spectral resolution of light. In this chapter, a classification of sensing mechanisms is used that distinguishes between the molecular phenomena of isomerization, bond scission, change in conjugation and collective phenomena such as changes in chromophore aggregation and photonic band gap tuning. Molecular mechanisms are discussed that have been used to obtain stress-induced changes in absorption and fluorescence properties and recent work is presented in which the chain scission of dioxetanes is used to produce a luminescent signal with high detectability. Pi-conjugated systems play an important role in optical detection of stress and damage in polymers because their optical properties are very sensitive to changes in conformation and aggregation state. Finally, photonic band gap polymers and cholesteric liquid crystals are discussed, in which the periodic organization of structural features at the scale of the wavelength of light leads to strain-dependent reflection and absorption bands.

Original languageEnglish
Title of host publicationMechanochemistry in Materials
Place of Publications.l.
PublisherRoyal Society of Chemistry
Pages53-75
Number of pages23
ISBN (Electronic)978-1-78262-388-5
ISBN (Print)978-1-78262-146-1
DOIs
Publication statusPublished - 2018

Publication series

NameRSC Polymer Chemistry Series
Number26
Volume2018-January
ISSN (Print)2044-0790
ISSN (Electronic)2044-0804

Fingerprint

Optics and Photonics
Photonic band gap
Polymers
Light
Agglomeration
Cholesteric liquid crystals
Fluorescence
Spectral resolution
Chromophores
Isomerization
Conformations
Absorption spectra
Optical properties
Tuning
Wavelength
Monitoring
liquid crystal polymer

Cite this

Göstl, R., Clough, J. M., & Sijbesma, R. P. (2018). Optical sensing of stress in polymers. In Mechanochemistry in Materials (pp. 53-75). (RSC Polymer Chemistry Series; Vol. 2018-January, No. 26). s.l.: Royal Society of Chemistry. https://doi.org/10.1039/9781782623885-00053
Göstl, R. ; Clough, J.M. ; Sijbesma, R.P. / Optical sensing of stress in polymers. Mechanochemistry in Materials. s.l. : Royal Society of Chemistry, 2018. pp. 53-75 (RSC Polymer Chemistry Series; 26).
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Göstl, R, Clough, JM & Sijbesma, RP 2018, Optical sensing of stress in polymers. in Mechanochemistry in Materials. RSC Polymer Chemistry Series, no. 26, vol. 2018-January, Royal Society of Chemistry, s.l., pp. 53-75. https://doi.org/10.1039/9781782623885-00053

Optical sensing of stress in polymers. / Göstl, R.; Clough, J.M.; Sijbesma, R.P.

Mechanochemistry in Materials. s.l. : Royal Society of Chemistry, 2018. p. 53-75 (RSC Polymer Chemistry Series; Vol. 2018-January, No. 26).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

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Göstl R, Clough JM, Sijbesma RP. Optical sensing of stress in polymers. In Mechanochemistry in Materials. s.l.: Royal Society of Chemistry. 2018. p. 53-75. (RSC Polymer Chemistry Series; 26). https://doi.org/10.1039/9781782623885-00053