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Hydrothermal preparation of nitrogen-doped graphene sheets via hexamethylenetetramine for application as supercapacitor electrodes

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Abstract.
Nitrogen-doped graphene sheets (NGS) were obtained using a simple hydrothermal reaction with
graphene oxide and hexamethylenetetramine (HMT). HMT plays important roles in both reducing
graphene oxide and doping nitrogen into the graphene sheets. The prepared nitrogen-doped graphene
sheets reduced by hexamethylenetetramine (NGS-HMT) have a high nitrogen (8.62 atom%) content, in
which various nitrogen species, such as pyridinic-N, pyrrolic-N, and quaternary-N, are detected. For
supercapacitor applications, NGS-HMT shows a value of 161 F g−1 at a current density of 0.5 A g−1, and it
also exhibits a high cycle stability.

Keywords: Nitrogen-doped graphene, Hexamethylenetetramine, Supercapacitor

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Informasi Detail

Judul Seri

Electrochimica Acta

No. Panggil

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Penerbit

New York : Elsevier Ltd.., 2012

Deskripsi Fisik

Electrochimica Acta 85 (2012) 459– 466

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA MATERIAL

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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