Optimizing the structure and molecular weight of polymers for graphene dispersants

Shimpei Takeda; Yuta Nishina

doi:10.1038/s41428-022-00684-2

Optimizing the structure and molecular weight of polymers for graphene dispersants

Shimpei Takeda, Yuta Nishina

Research Core for Interdisciplinary Sciences

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Graphene is an allotrope of carbon consisting of a single-atom-thick honeycomb lattice nanostructure. Among the various preparation methods for graphene, the liquid-phase exfoliation of graphite is mass-producible and cost-effective. To facilitate the exfoliation of graphite in organic solvents, polymers can be employed as dispersants. We synthesized polymer dispersants with various monomer ratios and molecular weights and investigated the efficient acquisition of graphene from graphite. Graphene with a uniform thickness was obtained when graphite was exfoliated using an optimized polymer dispersant. The optimized polymer enabled a high yield and concentration of graphene using liquid-phase exfoliation.

Original language	English
Journal	Polymer Journal
DOIs	https://doi.org/10.1038/s41428-022-00684-2
Publication status	Accepted/In press - 2022

ASJC Scopus subject areas

Polymers and Plastics
Materials Chemistry

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title = "Optimizing the structure and molecular weight of polymers for graphene dispersants",

abstract = "Graphene is an allotrope of carbon consisting of a single-atom-thick honeycomb lattice nanostructure. Among the various preparation methods for graphene, the liquid-phase exfoliation of graphite is mass-producible and cost-effective. To facilitate the exfoliation of graphite in organic solvents, polymers can be employed as dispersants. We synthesized polymer dispersants with various monomer ratios and molecular weights and investigated the efficient acquisition of graphene from graphite. Graphene with a uniform thickness was obtained when graphite was exfoliated using an optimized polymer dispersant. The optimized polymer enabled a high yield and concentration of graphene using liquid-phase exfoliation.",

author = "Shimpei Takeda and Yuta Nishina",

note = "Funding Information: This research was supported by JSPS KAKENHI (21H01763), JST CREST (JPMJCR20H3), and Kondo Memorial Foundation. Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to The Society of Polymer Science, Japan.",

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T1 - Optimizing the structure and molecular weight of polymers for graphene dispersants

AU - Takeda, Shimpei

AU - Nishina, Yuta

N1 - Funding Information: This research was supported by JSPS KAKENHI (21H01763), JST CREST (JPMJCR20H3), and Kondo Memorial Foundation. Publisher Copyright: © 2022, The Author(s), under exclusive licence to The Society of Polymer Science, Japan.

PY - 2022

Y1 - 2022

N2 - Graphene is an allotrope of carbon consisting of a single-atom-thick honeycomb lattice nanostructure. Among the various preparation methods for graphene, the liquid-phase exfoliation of graphite is mass-producible and cost-effective. To facilitate the exfoliation of graphite in organic solvents, polymers can be employed as dispersants. We synthesized polymer dispersants with various monomer ratios and molecular weights and investigated the efficient acquisition of graphene from graphite. Graphene with a uniform thickness was obtained when graphite was exfoliated using an optimized polymer dispersant. The optimized polymer enabled a high yield and concentration of graphene using liquid-phase exfoliation.

AB - Graphene is an allotrope of carbon consisting of a single-atom-thick honeycomb lattice nanostructure. Among the various preparation methods for graphene, the liquid-phase exfoliation of graphite is mass-producible and cost-effective. To facilitate the exfoliation of graphite in organic solvents, polymers can be employed as dispersants. We synthesized polymer dispersants with various monomer ratios and molecular weights and investigated the efficient acquisition of graphene from graphite. Graphene with a uniform thickness was obtained when graphite was exfoliated using an optimized polymer dispersant. The optimized polymer enabled a high yield and concentration of graphene using liquid-phase exfoliation.

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JF - Polymer Journal

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Optimizing the structure and molecular weight of polymers for graphene dispersants

Abstract

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