Graphenes prepared from multi-walled carbon nanotubes and stacked graphene nanofibers for detection of 2,4,6-trinitrotoluene (TNT) in seawater

Shu Min Tan, Chun Kiang Chua, Martin Pumera

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The study on explosive materials is paramount due to the potential hazards to national security and health. When disposed of, explosives can cause seawater pollution. The detection of 2,4,6-trinitrotoluene (TNT) in seawater has been examined on two different forms of graphene, mainly graphene prepared from the unzipping of multi-walled carbon nanotubes (MWCNTs) and from the exfoliation of stacked graphene nanofibers (SGNFs). Graphene sheets prepared from MWCNTs exhibited sheet dimensions of 5000 × 300 nm, while graphene prepared from SGNFs exhibited sheet dimensions of 50 × 50 nm. Graphene prepared from MWCNTs was found to exhibit a higher order of sensitivity than the one prepared from nanofibers in both borate buffer solution and seawater. We demonstrate that it is of high importance to study different sources and methods of preparation of graphenes for analytical chemistry applications.

Original languageEnglish
Pages (from-to)1700-1704
Number of pages5
JournalAnalyst
Volume138
Issue number6
DOIs
Publication statusPublished - 2013 Mar 21

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy
  • Electrochemistry

Fingerprint Dive into the research topics of 'Graphenes prepared from multi-walled carbon nanotubes and stacked graphene nanofibers for detection of 2,4,6-trinitrotoluene (TNT) in seawater'. Together they form a unique fingerprint.

  • Cite this