Transient electronics that can disappear or degrade via physical disintegration or chemical reaction over a pre-defined operational period provide essential for their applications in implantable bioelectronics due to ...Transient electronics that can disappear or degrade via physical disintegration or chemical reaction over a pre-defined operational period provide essential for their applications in implantable bioelectronics due to the complete elimination of the second surgical extraction.However,the dissolution of commonly utilized bioresorbable materials often accompanies hydrogen production,which may cause potential or irreparable harm to the human body.This paper introduces germanium nanomembrane-based bioresorbable electronic sensors,where the chemical dissolution of all utilized materials in biofluidic theoretically have no gaseous products.In particular,the superior electronic transport of germanium enables the demonstrated bioresorbable electronic sensors to successfully distinguish the crosstalk of different physiological signals,such as temperature and strain,suggesting the significant prospect for the construction of dual or multi-parameter biosensors.Systematical studies reveal the gauge factor and temperature coefficient of resistance comparable to otherwise similar devices with gaseous products during their dissolution.展开更多
基金supported by the Qilu Young Scholar Program of Shandong University,the National Natural Science Foundation of China (Grant Nos.51925208,61975035,51961145108)the Natural Science Foundation of Shandong Province in China (Grant No.ZR2021MF008)+4 种基金Science and Technology Commission of Shanghai Municipality (Grant Nos.19XD1400600,21142200200)the National Key Technologies R&D Program of China (Grant No.2021YFE0191800)the State Key Laboratory of ASIC&System (Grant No.2020KF007)the State Key Laboratory of Functional Materials for Informatics (Grant No.SKL202101)the Shandong University Multidisciplinary Research and Innovation Team of Young Scholars (Grant No.2020QNQT015).
文摘Transient electronics that can disappear or degrade via physical disintegration or chemical reaction over a pre-defined operational period provide essential for their applications in implantable bioelectronics due to the complete elimination of the second surgical extraction.However,the dissolution of commonly utilized bioresorbable materials often accompanies hydrogen production,which may cause potential or irreparable harm to the human body.This paper introduces germanium nanomembrane-based bioresorbable electronic sensors,where the chemical dissolution of all utilized materials in biofluidic theoretically have no gaseous products.In particular,the superior electronic transport of germanium enables the demonstrated bioresorbable electronic sensors to successfully distinguish the crosstalk of different physiological signals,such as temperature and strain,suggesting the significant prospect for the construction of dual or multi-parameter biosensors.Systematical studies reveal the gauge factor and temperature coefficient of resistance comparable to otherwise similar devices with gaseous products during their dissolution.
