Integration of flexible,recyclable,and transient gelatin hydrogels toward multifunctional electronics
作者机构：Sauvage Laboratory for Smart MaterialsSchool of Materials Science and EngineeringHarbin Institute of Technology(Shenzhen)Shenzhen 518055China Shenzhen Key Laboratory of Flexible Printed Electronics TechnologyHarbin Institute of Technology(Shenzhen)Shenzhen 518055China State Key Laboratory of Advanced Welding&JoiningHarbin Institute of TechnologyHarbin 150001China
出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)
年 卷 期：2023年第145卷第14期
页 面：83-92页
核心收录：
学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学]
基 金：This work was financially supported by the National Natural Science Foundation of China(No.52073075) the Shenzhen Science and Technology Program(No.KQTD20170809110344233) the Initial Scientific Research Foundation of Overseas High-level Talents of Harbin Institute of Technology(Shenzhen)(No.DB11409008)
主 题：Gelatin hydrogels Carbon nanotubes Negative permittivity Electromagnetic interference shielding Wearable sensor
摘 要：Facing the challenges posed by exponentially increasing e-waste,the development of recyclable and tran-sient electronics has paved the way to an environmentally-friendly progression strategy,where electron-ics can disintegrate and/or degrade into eco-friendly end products in a controlled *** polymers possess cost and energy efficiency,easy modification,and fast degradation,all of which are ideal prop-erties for transient *** is especially attractive due to its unique thermoreversible gelation processes,yet its huge potential as a multifunctional electronic material has not been well-researched due to its limited mechanical strength and low ***,we explored versatile applications of gelatin-based hydrogels through the assistance of multifunctional additives like carbon nanotubes to enhance their electromechanical *** optimized gelatin hydrogel displays not only a high conductivity of 0.93 S/m,electromagnetic shielding effectiveness of 39.6 dB,and tensile stress tolerance of 263 kPa,but also shows a negative permittivity phenomenon,which may find versatile applications in novel *** a proof of concept,hydrogels were assembled as wearable sensors to sensitively de-tect static and dynamic pressures and strains generated by solids,liquids,and airflow,as well as diverse body ***,the recyclability,biocompatibility,and degradability of gelatin-based hy-drogels were well studied and *** work outlines a facile method to design multifunctional transient materials for wearable,sustainable,and eco-friendly electronics.
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