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Programming mechanoluminescent behaviors of 3D printed cellular structures

Title
Programming mechanoluminescent behaviors of 3D printed cellular structures
Author(s)
Zhao, JiayuSong, SeongkyuMu, XuanJeong, Soon MoonBae, Jinhye
Issued Date
2022-12
Citation
Nano Energy, v.103
Type
Article
Author Keywords
Mechanoluminescence3D printingGranular materialsElastomersStress sensors
Keywords
SKINPRESSURESTRESS
ISSN
2211-2855
Abstract
Mechanoluminescence (ML) materials enable the transformation of mechanical stimuli into optical signals. However, current ML devices have limited luminescent programmability and mechanical tunability due to the relatively simple geometries as restricted by the conventional fabrication techniques. Here, we develop a strategy that is applicable for various types of zinc sulfide (ZnS)-based phosphors for allowing the fabrication of ML elastomer into complex 2D or 3D geometries with periodic cellular structures. We demonstrate that different cellular structures with tunable mechanical properties enable programmable structure-dependent ML behaviors including anisotropic and isotropic luminescence. We further exploit the quantitative structure-stress-luminescence relationship, which provides fundamental knowledge support for designing next-generation ML-based stress sensors and wearable devices. © 2022 The Authors
URI
http://hdl.handle.net/20.500.11750/16945
DOI
10.1016/j.nanoen.2022.107825
Publisher
Elsevier Ltd
Related Researcher
  • 정순문 Jeong, Soon Moon
  • Research Interests Mechanoluminescence; 기계발광; Electroluminescence; 전계발광; Display; 디스플레이; Stretchable; 스트레쳐블; Battery-free; 무전원
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Appears in Collections:
Division of Energy & Environmental Technology Soft Optoelectronic Materials Lab. 1. Journal Articles

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