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Bartosz Andrzej Grzybowski
첨단연성물질 연구단
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Charged Metal Nanoparticles for Chemoelectronic Circuits

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Title
Charged Metal Nanoparticles for Chemoelectronic Circuits
Author(s)
Xing Zhao; Jiahui Guo; Tao Xiao; Yuchun Zhang; Yong Yan; Bartosz A. Grzybowski
Publication Date
2019-11
Journal
ADVANCED MATERIALS, v.31, no.45, pp.1804864 -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Although metal nanoparticles (NPs) stabilized with self-assembled monolayers (SAMs) of various organic ligands have proven useful in applications ranging from chemical sensing, to bionanotechnology, to plasmonics and energy conversion, they have not been widely considered as suitable building blocks of electronic circuitry, largely because metals screen electric fields and prevent electrically tunable conductivity. However, when metal nanoparticles a few nanometers in size are stabilized by charged ligands and placed under bias, the counterions surrounding the NPs can redistribute and establish local electric fields that feed back into the electronic currents passing through the nanoparticles' metallic cores. Herein, the manner in which the interplay between counterion gradients and electron flows can be controlled by using different types of SAMs is discussed. This can give rise to a new class of nanoparticle-based "chemoelectronic" logic circuits capable of sensing, processing, and ultimately reporting various chemical signals. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/6800
ISSN
0935-9648
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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