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Park, Jang-Ung
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Biomimetic Chitin-Silk Hybrids: An Optically Transparent Structural Platform for Wearable Devices and Advanced Electronics

Author(s)
Hong, Moo-SeokChoi, Gwang-MunKim, JooheeJang, JiukChoi, ByeongwookKim, Joong-KwonJeong, SeunghwanLee, SeongminKwon, Hee-YoungHwang, Hyun-BinIm, Hyeon-GyunPark, Jang-UngBae, Byeong-SooJin, Jungho
Issued Date
2018-06
DOI
10.1002/adfm.201705480
URI
https://scholarworks.unist.ac.kr/handle/201301/23182
Fulltext
http://onlinelibrary.wiley.com/doi/10.1002/adfm.201705480/abstract
Citation
ADVANCED FUNCTIONAL MATERIALS, v.28, no.24, pp.170548
Abstract
The cuticles of insects and marine crustaceans are fascinating models for man-made advanced functional composites. The excellent mechanical properties of these biological structures rest on the exquisite self-assembly of natural ingredients, such as biominerals, polysaccharides, and proteins. Among them, the two commonly found building blocks in the model biocomposites are chitin nanofibers and silk-like proteins with β-sheet structure. Despite being wholly organic, the chitinous protein complex plays a key role for the biocomposites by contributing to the overall mechanical robustness and structural integrity. Moreover, the chitinous protein complex alone without biominerals is optically transparent (e.g., dragonfly wings), thereby making it a brilliant model material system for engineering applications where optical transparency is essentially required. Here, inspired by the chitinous protein complex of arthropods cuticles, an optically transparent biomimetic composite that hybridizes chitin nanofibers and silk fibroin (β-sheet) is introduced, and its potential as a biocompatible structural platform for emerging wearable devices (e.g., smart contact lenses) and advanced displays (e.g., transparent plastic cover window) is demonstrated.
Publisher
WILEY-V C H VERLAG GMBH
ISSN
1616-301X
Keyword (Author)
chitincompositescontact lenseselectronicssilk
Keyword
MECHANICAL-PROPERTIESBIOLOGICAL-MATERIALSNANOTROUGH NETWORKSCIRCULAR-DICHROISMHIGHLY TRANSPARENTGREEN ELECTRONICSINSECT CUTICLEFIBROINFILMSNANOFIBERS

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