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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
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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.
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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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KEYWORDS
Particles
Nanocomposites
Silver
Electrodes
Sensors
Polymers
Resistance
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