首页|Contribution of Hydrogen-Bond Nanoarchitectonics to Switchable Photothermal-Mechanical Properties of Bioinorganic Fibers

Contribution of Hydrogen-Bond Nanoarchitectonics to Switchable Photothermal-Mechanical Properties of Bioinorganic Fibers

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Stimuli-responsive materials ho-d great potential for the development of smart materials due to their specifically tailored characteristics. However, it is challenging to un-derstand internal molecular dynamics when the macro-scopic mechanics of materials change in response to specific applled stimuli. Herein, we present the biological composite fibers of which mechanical properties can be reversibly controlled on demand by photothermal effect of an alternating near-infrared light irradiation.In stark contrast to the weakening of the mechanica-properties of conventional materials by heating, the mechanical perfor-mance of the obtained fibers are significantly enhanced,showing an increase of Young's modulus by a factor of four. The outstanding photothermal-mechanical behavior relies on the evolution of hydrogen bonds within the system. We envision that this type of fiber material will inspire a new strategy for the construction of smart devices.

bioinorganic fiberstimuli-responsivephotothermal effectmechanical performancehy-drogen bond

Jing Sun、Jinrui Zhang、Lai Zhao、Sikang Wan、Baiheng Wu、Chao Ma、Jingjing Li、Fan Wang、Xiwen Xing、Dong Chen、Hongjie Zhang、Kai Liu

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Department of Chemistry,Tsinghua University,Beijing 100084

State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences Changchun,Changchun 130022

Institute of Organic Chemistry,Ulm University,Ulm 89081

Department of Orthopedics,China-Japan Union Hospital of Jilin University,Changchun 130033

Department of Urology,China-Japan Union Hospital of Jilin University,Changchun 130033

College of Energy Engineering,Zhejiang University,Hangzhou 310027

Department of Biotechnology,College of Life Science and Technology,Jinan University,Guangzhou,Guangdong 510632

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国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金国家重点研发计划国家重点研发计划国家重点研发计划广东省自然科学基金广东省自然科学基金

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2023

10.31635/ccschem.022.202201946

中国化学会会刊(英文)

中国化学会会刊(英文)

CSCD
ISSN：
年,卷(期)：2023.5(5)
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