Organic electrochemical transistors(OECTs)are promising technologies for biosensing and braininspired computing due to their low-power signal amplification and neuron-like behavior.However,their manufacturing remains ...Organic electrochemical transistors(OECTs)are promising technologies for biosensing and braininspired computing due to their low-power signal amplification and neuron-like behavior.However,their manufacturing remains complex,especially when fabricated into flexible forms.To address the growing demand for flexible OECTs in wearable bioelectronics,in this work,we propose:i)a rapid and low-cost fabrication approach using flexible PCB(fPCB)technology and customized inkjet printing;ii)a non-aqueous gel-gated approach to improve the electrochemical stability of flexible OECTs associated with fPCBs;and iii)the above two approaches help accomplish the following concept:lowcost,integrated,and in-sensing computing system can be more readily realized with flexible OECT devices.This platform has been validated for scalability,stability,and performance in real-world applications,paving the way for developing low-cost,flexible,multifunctional OECT systems.展开更多
基金supported by grants from the the Collaborative Research Fund(C7005-23Y)the Theme-based Research Scheme(T45-701/22-R)from the Research Grants Council of the Hong Kong SAR Government+1 种基金the Innovation and Technology Fund(Mainland-Hong Kong Joint Funding Scheme,MHP/053/21,MHP/066/20)from the Hong Kong SAR Governmentthe Shenzhen-Hong Kong-Macao Technology Research Programme(SGDX20210823103537034)from the Shenzhen Science and Technology Innovation Committee,and the Seed Funding for Strategic Interdisciplinary Research Scheme from the University of Hong Kong(HKU).
文摘Organic electrochemical transistors(OECTs)are promising technologies for biosensing and braininspired computing due to their low-power signal amplification and neuron-like behavior.However,their manufacturing remains complex,especially when fabricated into flexible forms.To address the growing demand for flexible OECTs in wearable bioelectronics,in this work,we propose:i)a rapid and low-cost fabrication approach using flexible PCB(fPCB)technology and customized inkjet printing;ii)a non-aqueous gel-gated approach to improve the electrochemical stability of flexible OECTs associated with fPCBs;and iii)the above two approaches help accomplish the following concept:lowcost,integrated,and in-sensing computing system can be more readily realized with flexible OECT devices.This platform has been validated for scalability,stability,and performance in real-world applications,paving the way for developing low-cost,flexible,multifunctional OECT systems.
