Electrical transport control of conductive nanocomposites by silver nanosatellite particles: strain-invariant electrodes vs. strain sensors (Conference Presentation)

C. Muhammed Ajmal; Seokjae Cha; Wonjoon Kim; K.P. Faseela; Heejun Yang; Seunghyun Baik

doi:10.1117/12.2656283

18 April 2023 Electrical transport control of conductive nanocomposites by silver nanosatellite particles: strain-invariant electrodes vs. strain sensors (Conference Presentation)

C. Muhammed Ajmal, Seokjae Cha, Wonjoon Kim, K.P. Faseela, Heejun Yang, Seunghyun Baik

Author Affiliations +

Proceedings Volume PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023; PC1248502 (2023) https://doi.org/10.1117/12.2656283
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

We present the electrical transport control of conductive nanocomposites by in-situ generated hierarchically structured silver nanosatellite (AgNS) particles [1, 2]. The AgNS particles are synthesized by the in-situ etching and reduction reaction of Ag flakes embedded in matrix polymer [1, 2]. The etching is controlled by THF peroxide, resulting in an interparticle distance of 4.37 nm. The strain-invariant resistance is obtained over 30 % strain if the barrier height is negligible by matching the work function of silver and electron affinity of polymer (electrode application) [1]. In contrast, transport is changed to quantum tunneling if the barrier height is gradually increased by employing different matrix polymers with smaller electron affinities. In such case, strain-sensitive resistance change is obtained for sensor application [1]. The recent progress in our laboratory will also be introduced. References [1] Science Advances, 8(32), eabn3365. [2] Nature Communications, 11, 2252.

Conference Presentation

Citation Download Citation

C. Muhammed Ajmal, Seokjae Cha, Wonjoon Kim, K.P. Faseela, Heejun Yang, and Seunghyun Baik "Electrical transport control of conductive nanocomposites by silver nanosatellite particles: strain-invariant electrodes vs. strain sensors (Conference Presentation)", Proc. SPIE PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023, PC1248502 (18 April 2023); https://doi.org/10.1117/12.2656283

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