驻极体
材料科学
光子学
晶体管
乙醚
非易失性存储器
光电子学
计算机科学
电压
电气工程
工程类
化学
有机化学
复合材料
作者
Chun-Yao Ke,Mu-Huai Chen,Guey‐Sheng Liou
标识
DOI:10.1016/j.cej.2022.141209
摘要
Next-generation photo-driven memory devices and artificial neuromorphic networks have shown great promise in adopting organic photo-recordable devices because of their tremendous merits, highly tailorable structures, facile processing, and low power consumption. There are generally-two operation approaches, light-assistant and genuine methods, that can be divided into categories based on whether to apply electrical biasing (VGS or VDS) during the photo-programming process. The genuine type manifests glamorous characteristics in optical communication and neural computation due to the exclusion of additional electric consumption. Nevertheless, there is a lack of investigation into the relationship between the genuine photo-programming process and the design strategy of polymeric electrets. This work is the first to employ triphenylamine (TPA)-based aggregation-induced emission (AIE)-active poly(ether sulfone)s as the electret layer of a photonic transistor memory device to elaborate photo-induced programming. Every chemical building block, AIE-active TPA, ether, and sulfone moieties, has been soundly elucidated and plays an indispensable role in possessing high-performance homopolymer-based photonic memory, including enhancement of photo-induced recording, outstanding retention (14 days), and reducing the working voltage (VGS = 0 V and VDS = −5 V). This study presents an eye-catching design strategy for creating polymer-based photonic memory that also satisfies energy-saving criteria in practice.
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