Skin-like cryogel electronics from suppressed-freezing tuned polymer amorphization

Xiansheng Zhang, Hongwei Yan, Chongzhi Xu, Xia Dong, Yu Wang, Aiping Fu, Hao Li, Jin Yong Lee, Sheng Zhang, Jiahua Ni, Min Gao, Jing Wang, Jinpeng Yu, Shuzhi Sam Ge, Ming Liang Jin (), Lili Wang () and Yanzhi Xia
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Xiansheng Zhang: Qingdao University
Hongwei Yan: Qingdao University
Chongzhi Xu: Qingdao University
Xia Dong: Chinese Academy of Sciences
Yu Wang: Chinese Academy of Sciences
Aiping Fu: Qingdao University
Hao Li: SungKyunKwan University
Jin Yong Lee: SungKyunKwan University
Sheng Zhang: Zhejiang University
Jiahua Ni: Donghua University
Min Gao: ETH Zürich
Jing Wang: ETH Zürich
Jinpeng Yu: Qingdao University
Shuzhi Sam Ge: National University of Singapore
Ming Liang Jin: Qingdao University
Lili Wang: Qingdao University
Yanzhi Xia: Qingdao University

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract The sole situation of semi-crystalline structure induced single performance remarkably limits the green cryogels in the application of soft devices due to uncontrolled freezing field. Here, a facile strategy for achieving multifunctionality of cryogels is proposed using total amorphization of polymer. Through precisely lowering the freezing point of precursor solutions with an antifreezing salt, the suppressed growth of ice is achieved, creating an unusually weak and homogenous aggregation of polymer chains upon freezing, thereby realizing the tunable amorphization of polymer and the coexistence of free and hydrogen bonding hydroxyl groups. Such multi-scale microstructures trigger the integrated properties of tissue-like ultrasoftness (Young’s modulus

Date: 2023
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DOI: 10.1038/s41467-023-40792-y

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