Single-layer graphene oxide sheet: a novel substrate for dip-pen nanolithography

Hai Li; Xiehong Cao; Bing Li; Xiaozhu Zhou; Gang Lu; Cipto Liusman; Qiyuan He; Freddy Boey; Subbu S. Venkatraman; Hua Zhang

doi:10.1039/C1CC12648B

Single-layer graphene oxide sheet: a novel substrate for dip-pen nanolithography†‡

Hai Li,§^a Xiehong Cao,§^a Bing Li,^a Xiaozhu Zhou,^a Gang Lu,^a Cipto Liusman,^a Qiyuan He,^a Freddy Boey,^ab Subbu S. Venkatraman^a and Hua Zhang*^ab

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^a School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
E-mail: hzhang@ntu.edu.sg, hzhang166@yahoo.com
Fax: +65-6790-9081
Tel: +65-6790-5175

^b Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 639798, Singapore

Abstract

Graphene oxide (GO) sheet is used as a novel substrate for dip-pen nanolithography (DPN). After GO is transferred onto SiO₂ using the Langmuir–Blodgett technique, CoCl₂ is patterned on both GO and exposed SiO₂ substrates simultaneously by DPN, which is used for growth of different structured carbon nanotubes.

This article is part of the themed collection: Molecule-based surface chemistry

Chemical Communications

Single-layer graphene oxide sheet: a novel substrate for dip-pen nanolithography†‡

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Single-layer graphene oxide sheet: a novel substrate for dip-pen nanolithography

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