Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Communications Chemistry Année : 2020

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

Résumé

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 selfassembled nanostructures with ultrasmall periodicity. Click coupling of propargylfunctionalized 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 4.2-7.5 nm. Considering easy synthesis and rich phase behavior, presented BCO systems could be highly promising for application to diverse ~4-nm nanofabrications.

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hal-03086355 , version 1 (26-11-2021)

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Takuya Isono, Ryoya Komaki, Chaehun Lee, Nao Kawakami, Brian J Ree, et al.. Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures. Communications Chemistry, 2020, 3, pp.135. ⟨10.1038/s42004-020-00385-y⟩. ⟨hal-03086355⟩
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