Ionic liquid–graphene composite for ultratrace explosive trinitrotoluene detection
Trinitrotoluene
Explosive detection
DOI:
10.1016/j.elecom.2010.06.028
Publication Date:
2010-07-02T04:38:26Z
AUTHORS (4)
ABSTRACT
Abstract A new ionic liquid (IL)–graphene composite prepared by combining IL and a three-dimensional graphene material with large specific surface area and pronounced mesoporosity was used for ultratrace trinitrotoluene detection, showing low background current, high sensitivity of 1.65 μA cm − 2 per ppb, low detection limit of 0.5 ppb and good reproducibility, which is much superior to that demonstrated by the IL–CNT and IL–graphite composites. The preparation of IL–graphene composite expands the scope of IL-based electrochemical devices.
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