Journal
BEILSTEIN JOURNAL OF NANOTECHNOLOGY
Volume 8, Issue -, Pages 982-988Publisher
BEILSTEIN-INSTITUT
DOI: 10.3762/bjnano.8.100
Keywords
benzene detection; polymer-nanostructured carbon composites; volatile organic compound (VOC) sensors
Funding
- RTU
- Latvian National Research Programme in Materials Science IMIS2
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By using a solvent-based method composites of ethylenevinyl acetate copolymer and carbon black (EVA-CB) were synthesized for sensing BTEX (benzene, toluene, ethylbenzene and xylene) vapours. The composites were characterized using atomic force microscopy (AFM) in an electroconductive mode. Gas sensing results show that EVA-CB can reproducibly detect BTEX and that the response increases linearly with vapour concentration. Compared to gas-sensing measurements of gasoline vapours, the responses with toluene and ethylbenzene are different and can be explained by varying side chains of the benzene ring.
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