Two-Minute Assembly of Pristine Large-Area Graphene Based Films

被引：100

作者：

Shim, Jongwon ^{[1
,2
,7
]}

Yun, Je Moon ^{[1
,2
]}

Yun, Taeyeong ^{[1
,2
]}

Kim, Pilnam ^{[3
]}

Lee, Kyung Eun ^{[1
,2
]}

Lee, Won Jun ^{[1
,2
]}

Ryoo, Ryong ^{[1
,4
]}

Pine, David J. ^{[5
,6
]}

Yi, Gi-Ra ^{[6
]}

Kim, Sang Ouk ^{[1
,2
]}

机构：

[1] Inst for Basic Sci Korea, Ctr Nanomat & Chem React, Taejon 305701, South Korea

[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea

[3] Korea Adv Inst Sci & Technol, Dept Bio & Brain Engn, Taejon 305701, South Korea

[4] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea

[5] NYU, Dept Phys, New York, NY 10003 USA

[6] Sungkyunkwan Univ, Sch Chem Engn, Suwon 440746, South Korea

[7] AMOREPACIFIC R&D Ctr, Adv Mat Res Team, Yongin 446729, South Korea

来源：

NANO LETTERS | 2014年 / 14卷 / 03期

基金：

美国国家科学基金会;

关键词：

Graphene; interface; assembly; film; CARBON NANOTUBES; HIGH-PERFORMANCE; OXIDE; SINGLE; TRANSPARENT;

D O I：

10.1021/nl404446f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a remarkably rapid method for assembling pristine graphene platelets into a large area transparent film at a liquid surface. Some 2-3 layer pristine graphene platelets temporally solvated with N-methyl-2-pyrrolidone (NMP) are assembled at the surface of a dilute aqueous suspension using an evaporation-driven Rayleigh-Taylor instability and then are driven together by Marangoni forces. The platelets are fixed through physical binding of their edges. Typically, 8-cm-diameter circular graphene films are generated within two minutes. Once formed, the films can be transferred onto various substrates with flat or textured topologies. This interfacial assembly protocol is generally applicable to other nanomaterials, including OD fullerene and 1D carbon nanotubes, which commonly suffer from limited solution compatibility.

引用

页码：1388 / 1393

页数：6

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