Soft transfer printing of chemically converted graphene

Matthew J. Allen; Vincent C. Tung; Lewis Gomez; Zheng Xu; Li Min Chen; Kurt S. Nelson; Chongwu Zhou; Richard B. Kaner; Yang Yang

doi:10.1002/adma.200803000

Soft transfer printing of chemically converted graphene

Matthew J. Allen, Vincent C. Tung, Lewis Gomez, Zheng Xu, Li Min Chen, Kurt S. Nelson, Chongwu Zhou, Richard B. Kaner, Yang Yang

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

179 Scopus citations

Abstract

A study was conducted to demonstrate a method for isolating graphite oxide and dispersing it directly in anhydrous hydrazine. A variety of controllable surface coverages were obtained after modification by dilution, centrifugation, or ultrasonication. It was observed that the prepared depositions were uniform and allowed for a range of coverage densities and sheet sizes. A transfer printing process enabled to register regions of graphene to designated areas of another substrate after deposition. The non-destructive printing process was capable of defining small features and transferring depositions to precise positions. The transfer mechanism was based on the differing strengths of non-covalent adhesion at the PDMS-graphene and graphene-substrate interfaces. It was observed that spin speed and the composition of hydrazine suspensions essentially determined the density of flakes in deposited films.

Original language	English (US)
Pages (from-to)	2098-2102
Number of pages	5
Journal	Advanced Materials
Volume	21
Issue number	20
DOIs	https://doi.org/10.1002/adma.200803000
State	Published - May 25 2009
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.200803000

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abstract = "A study was conducted to demonstrate a method for isolating graphite oxide and dispersing it directly in anhydrous hydrazine. A variety of controllable surface coverages were obtained after modification by dilution, centrifugation, or ultrasonication. It was observed that the prepared depositions were uniform and allowed for a range of coverage densities and sheet sizes. A transfer printing process enabled to register regions of graphene to designated areas of another substrate after deposition. The non-destructive printing process was capable of defining small features and transferring depositions to precise positions. The transfer mechanism was based on the differing strengths of non-covalent adhesion at the PDMS-graphene and graphene-substrate interfaces. It was observed that spin speed and the composition of hydrazine suspensions essentially determined the density of flakes in deposited films.",

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AU - Allen, Matthew J.

AU - Tung, Vincent C.

AU - Gomez, Lewis

AU - Xu, Zheng

AU - Chen, Li Min

AU - Nelson, Kurt S.

AU - Zhou, Chongwu

AU - Kaner, Richard B.

AU - Yang, Yang

PY - 2009/5/25

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AB - A study was conducted to demonstrate a method for isolating graphite oxide and dispersing it directly in anhydrous hydrazine. A variety of controllable surface coverages were obtained after modification by dilution, centrifugation, or ultrasonication. It was observed that the prepared depositions were uniform and allowed for a range of coverage densities and sheet sizes. A transfer printing process enabled to register regions of graphene to designated areas of another substrate after deposition. The non-destructive printing process was capable of defining small features and transferring depositions to precise positions. The transfer mechanism was based on the differing strengths of non-covalent adhesion at the PDMS-graphene and graphene-substrate interfaces. It was observed that spin speed and the composition of hydrazine suspensions essentially determined the density of flakes in deposited films.

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Soft transfer printing of chemically converted graphene

Abstract

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