Fully Printed Flexible Smart Hybrid Hydrogels | Zendy

Zhou Yang | Zendy; Layani Michael | Zendy; Wang Shancheng | Zendy; Hu Peng | Zendy; Ke Yujie | Zendy; Magdassi Shlomo | Zendy; Long Yi | Zendy

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Fully Printed Flexible Smart Hybrid Hydrogels

Author(s) -

Zhou Yang,

Layani Michael,

Wang Shancheng,

Hu Peng,

Ke Yujie,

Magdassi Shlomo,

Long Yi

Publication year - 2018

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.201705365

Subject(s) - materials science , self healing hydrogels , hybrid material , inkwell , layer (electronics) , curing (chemistry) , electrical conductor , electrode , flexible display , 3d printed , composite material , polymer , uv curing , nanotechnology , polymer chemistry , thin film transistor , biomedical engineering , medicine , chemistry

A printable hybrid hydrogel is fabricated by embedding poly(N‐isopropylacrylamide) (PNIPAm) microparticles within a water‐rich silica‐alumina(Si/Al)‐based gel matrix. The hybrid gel holds water content of up to 70 wt%, due to its unique Si/Al matrix. The hybrid hydrogel can respond to both heat and electrical stimuli, and can be directly printed layer‐by‐layer using a commercial 3‐dimensional printer, without requiring any curing. The hybrid ink is printed onto a transparent, flexible conductive electrode composed of silver nanoparticles and sustains bending angles of up to 180°, which enables patterning of various flexible devices such as smart windows and a 3D optical waveguide valve.

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