Graphene, a two-dimensional (2D) nano-material, for chemical speciation in the field

D. Cebula; U. Dayal; M. J. W. Thiessen; C. Dismore; Vassili Karanassios

doi:10.1117/12.3013598

7 June 2024 Graphene, a two-dimensional (2D) nano-material, for chemical speciation in the field

D. Cebula, U. Dayal, M. J. W. Thiessen, C. Dismore, Vassili Karanassios

Proceedings Volume 13026, Next-Generation Spectroscopic Technologies XVI; 130260E (2024) https://doi.org/10.1117/12.3013598
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

Since the discovery of graphene (a two dimensional material) by Andre Geim and Konstantin Novoselov (both of the University of Manchester, UK) for which they were awarded the 2010 Nobel Prize in Physics, graphene has been receiving significant attention primarily as an electronic material. More recently, we have been using modified graphene to collect Cr-species (e.g., Cr³⁺ or Cr⁶⁺) from lake water samples and to support the collected species on laboratory modified graphene. The concentration of the species extracted from the water samples and collected on the modified graphene oxide can be measured in the field using a portable, in-house developed, battery-operated microplasma and a portable fiber-optic spectrometer. Details will be discussed in this presentation.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

D. Cebula, U. Dayal, M. J. W. Thiessen, C. Dismore, and Vassili Karanassios "Graphene, a two-dimensional (2D) nano-material, for chemical speciation in the field", Proc. SPIE 13026, Next-Generation Spectroscopic Technologies XVI, 130260E (7 June 2024); https://doi.org/10.1117/12.3013598

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