Multiphysics characterization of light intensity and wavelength of mechanoluminescent ZnS:Cu-PDMS microcomposites

Matthew Moore; Donghyeon Ryu

doi:10.1117/12.3013339

9 May 2024 Multiphysics characterization of light intensity and wavelength of mechanoluminescent ZnS:Cu-PDMS microcomposites

Matthew Moore, Donghyeon Ryu

Author Affiliations +

Proceedings Volume 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024; 1294910 (2024) https://doi.org/10.1117/12.3013339
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States

Abstract

In this study, we aim to characterize the mechano-luminescent (ML) light emission of the copper-doped zinc sulfide (ZnS:Cu)-embedded polydimethylsiloxane (PDMS) (ZnS:Cu-PDMS) micro-composites. First, the seven different ZnS:Cu-PDMS micro-composites were fabricated by using three different types of ZnS:Cu that emits blue, green, and orange light by blending those different colored ZnS:Cu. The micro-composites were prepared through the mold-casting method. Second, the ML test specimens will be subjected to uniaxial tensile loading/unloading cycles with various loading patterns. The ML light emissions were recorded by a high-speed color camera, and the video footages were image-processed to catalogue ML light intensity and color. Lastly, the spectroradiometer was employed for acquiring the light radiance spectrums from the prepared ZnS:Cu-PDMS micro-composites.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Matthew Moore and Donghyeon Ryu "Multiphysics characterization of light intensity and wavelength of mechanoluminescent ZnS:Cu-PDMS microcomposites", Proc. SPIE 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024, 1294910 (9 May 2024); https://doi.org/10.1117/12.3013339

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