Stochastic Resonance in Bioinspired Electronic Device Using Polymer Field Effect Transistors

2018 ◽  
Vol 790 ◽  
pp. 20-27
Author(s):  
Yoshiharu Suzuki ◽  
Teruo Kanki ◽  
Hidekazu Tanaka ◽  
Tomotaka Inoue ◽  
Naoki Wada ◽  
...  

Stochastic resonance (SR) phenomenon is emerged in organic field effect transistors (OFETs) using $\pi$-conjugated polymer, where application of external noise to the OFET system enhances signal/information processing performance which is often found in biological systems.The channel conductivity of the OFET is slightly increased by spin-coating using heated semiconductor polymer solution with heated glass substrate.In order to improve frequency responses of OFET, optimal width of the gate electrode is explored. Furthermore, it turns out that scratching and removing semiconductor film outside the source-drain electrodes and the channel enhances the On-Off current ratio of the device. These fabrication processes lead to steeper nonlinearity on the $I_{\rm DS}$ {\it vs.} $V_{\rm GS}$ curve, resulting in emergence of SR, which is fingerprinted in increase of correlation value between input and output signals with increase of intensity of external noise.

Nano Select ◽  
2021 ◽  
Author(s):  
Yanjun Shi ◽  
Jie Liu ◽  
Yuanyuan Hu ◽  
Wenping Hu ◽  
Lang Jiang

2021 ◽  
Author(s):  
Chaoyang Zong ◽  
Xiaoting Zhu ◽  
Zhanqiang Xu ◽  
Lifeng Zhang ◽  
Jun Xu ◽  
...  

2021 ◽  
Author(s):  
Yankai Zhou ◽  
Weifeng Zhang ◽  
Gui Yu

This review highlights the recent structural evolution of lactam- and imide-functionalized polymers applied in organic field-effect transistors and organic solar cells.


2021 ◽  
Vol 03 (02) ◽  
pp. 303-308
Author(s):  
Dror Ben Abba Amiel ◽  
Choongik Kim ◽  
Ori Gidron

Donor–acceptor–donor (DAD) triad systems are commonly applied as active materials in ambipolar organic field-effect transistors, organic solar cells, and NIR-emitting organic light-emitting diodes. Often, these triads utilize oligothiophenes as donors, whereas their oxygen-containing analogs, oligofurans, are far less studied in this setup. Here we introduce a family of DAD triads in which the donors are oligofurans and the acceptor is benzothiadiazole. In a combined computational and experimental study, we show that these triads display optical bandgaps similar to those of their thiophene analogs, and that a bifuran donor is sufficient to produce emission in the NIR spectral region. The presence of a central acceptor unit increases the photostability of oligofuran-based DAD systems compared with parent oligofurans of the similar length.


2021 ◽  
Vol 13 (7) ◽  
pp. 8631-8642
Author(s):  
Tomoya Taguchi ◽  
Fabio Chiarella ◽  
Mario Barra ◽  
Federico Chianese ◽  
Yoshihiro Kubozono ◽  
...  

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