Reversible changes in the orientation of gold nanorod arrays on polymer brushes

Sekizawa, Yu; Mitomo, Hideyuki; Nihei, Mizuki et al.

Nanoscale advances, 2020, 2(9), 3798-3803

Permalink : https://hdl.handle.net/2115/79779

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https://doi.org/10.1039/d0na00315h     18

論文情報

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アクセス権
open access
URI
https://hdl.handle.net/2115/79779
タイトル
Reversible changes in the orientation of gold nanorod arrays on polymer brushes
著者
Sekizawa, Yu ; Mitomo, Hideyuki ; Nihei, Mizuki ; Nakamura, Satoshi ; Yonamine, Yusuke ; Kuzuya, Akinori ; Wada, Takehiko ; Ijiro, Kuniharu
著者名
Sekizawa, Yu
著者名
Mitomo, Hideyuki
著者名
Nihei, Mizuki
著者名
Nakamura, Satoshi
著者名
Yonamine, Yusuke
著者名
Kuzuya, Akinori
著者名
Wada, Takehiko
e-Rad_Researcher
90221762
著者名
Ijiro, Kuniharu
言語
英語
発行日
2020-09-01
出版者
Royal Society of Chemistry
収録物名
Nanoscale advances
巻(号)
2(9)
ページ
3798-3803
抄録
Nanoparticles exhibit a number of unique properties such as localized surface plasmon resonance (LSPR). As this LSPR is sensitive to geometrical or spatial conditions, the arrangement of nanoparticles, in particular the active arrangement of plasmonic structures, is an important issue. In this study, gold nanorod (GNR) arrays were prepared by GNR attachment on anionic polymer (DNA) brushes via electrostatic interactions and their stimuli-responsive changes in orientationwere investigated. As a result, the orientation of GNR arrays on DNA brushes reversibly changed by the modulation of electrostatic interactions between GNRs and polymers via changes in the solution pH. As these extensive GNR arrays are prepared via easy bottom-up processes, GNR surface properties are easily tuned by simple modification, and DNAs could be replaced with various synthetic polymers, we believe that this study will lead to the development of nextgeneration materials and devices with actively tunable structures.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
Creative Commons Attribution 3.0 Unported
PISSN
2516-0230
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1039/d0na00315h