Biomaterial-Based Solid-Electrolyte Organic Electrochemical Transistors for Electronic and Neuromorphic Applications,Advanced Electronic Materials

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Biomaterial-Based Solid-Electrolyte Organic Electrochemical Transistors for Electronic and Neuromorphic Applications
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2021-10-17 , DOI: 10.1002/aelm.202100519
Tung Nguyen‐Dang _{1,

2} , Kelsey Harrison ₁ , Alex Lill ₁ , Alana Dixon ₁ , Erin Lewis ₁ , Joachim Vollbrecht ₁ , Taku Hachisu ₂ , Shantonu Biswas ₂ , Yon Visell ₂ , Thuc‐Quyen Nguyen ₁

Affiliation

A systematic study of biomaterial-based solid-state organic electrochemical transistors (OECTs) is presented in which biogels consisting of gelatin and glycerol, two food-grade materials, are chosen as the model solid electrolyte. Such gels are fundamentally attractive for bioelectronics and wearable applications due to their superior and tunable electrical and mechanical properties, which allow one to fabricate solid-state organic transistors with high ON/OFF ratio and transconductance, possible millisecond-switching speed, and 6-month stability in ambient air. Next, the authors show a good control of the state-retention property of biogel OECTs, demonstrated herein by employing them as artificial synapses with various synaptic functions, such as frequency-based short-term plasticity. This study herein paves the way for the development of biomaterial-based electronics by providing guiding principles for future works that employ biomaterials in OECTs.

中文翻译：

用于电子和神经形态应用的基于生物材料的固体电解质有机电化学晶体管

提出了基于生物材料的固态有机电化学晶体管 (OECT) 的系统研究，其中选择由明胶和甘油这两种食品级材料组成的生物凝胶作为模型固体电解质。这种凝胶由于其优越且可调节的电气和机械性能，从根本上对生物电子学和可穿戴应用具有吸引力，这使得人们可以制造具有高开/关比和跨导、可能的毫秒级开关速度和 6 个月的固态有机晶体管环境空气中的稳定性。接下来，作者展示了对生物凝胶 OECT 的状态保持特性的良好控制，本文通过将它们用作具有各种突触功能（例如基于频率的短期可塑性）的人工突触来证明。

更新日期：2021-12-09

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