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Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures

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Title: Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures
Authors: Isono, Takuya Browse this author
Komaki, Ryoya Browse this author
Lee, Chaehun Browse this author
Kawakami, Nao Browse this author
Ree, Brian J. Browse this author
Watanabe, Kodai Browse this author
Yoshida, Kohei Browse this author
Mamiya, Hiroaki Browse this author
Yamamoto, Takuya Browse this author
Borsali, Redouane Browse this author
Tajima, Kenji Browse this author →KAKEN DB
Satoh, Toshifumi Browse this author →KAKEN DB
Issue Date: 9-Oct-2020
Publisher: Nature Research
Journal Title: Communications Chemistry
Volume: 3
Issue: 1
Start Page: 135
Publisher DOI: 10.1038/s42004-020-00385-y
Abstract: Discrete block co-oligomers (BCOs) are gaining considerable attention due to their potential to form highly ordered ultrasmall nanostructures suitable for lithographic templates. However, laborious synthetic routes present a major hurdle to the practical application. Herein, we report a readily available discrete BCO system that is capable of forming various self-assembled nanostructures with ultrasmall periodicity. Click coupling of propargyl-functionalized sugars (containing 1-7 glucose units) and azido-functionalized terpenoids (containing 3, 4, and 9 isoprene units) afforded the discrete and monodisperse BCOs with a desired total degree of polymerization and block ratio. These BCOs microphase separated into lamellar, gyroid, and cylindrical morphologies with the domain spacing (d) of 4.2-7.5nm. Considering easy synthesis and rich phase behavior, presented BCO systems could be highly promising for application to diverse similar to 4-nm nanofabrications.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/79909
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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