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2013 | 123 | 2 | 461-463
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Electrical Characterization of Interdigitated Humidity Sensors Based on CNT Modified Calixarene Molecules

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In this study, we report on the optimization and characterization of chloroform soluble calix[4]arene derivative as a humidity sensor based on electrical properties. Due to the fact that calix[4]arene molecules are nonconductive, we modified the calix[4]arene molecules with carbon nanotubes with electrostatic bond in order to increase the conductance of calix[4]arene molecule (5,11,17,23-tetra-ter-butyl-25,27-dehydrazinamidcarbonilmetoxy-26,28-dehydroxy-kalix[4]aren). Using photolithography technique, we fabricated interdigitated gold electrodes with 3 micrometers separation to investigate the electrical properties of carbon nanotubes modified calix[4]arene molecule where we used dropcast method to form a thin film of carbon nanotubes modified calix[4]arene molecule on the gold electrodes. Our reproducible experimental results indicated that the chloroform soluble carbon nanotubes modified calix[4]arene films have great potential for humidity sensing applications at room temperature operations.
  • Department of Physics, Faculty of Science, Izmir Institute of Technology, Gulbahce Koyu Kampusu, 35430, Urla, Izmir, Turkey
  • Department of Physics, Faculty of Science, Izmir Institute of Technology, Gulbahce Koyu Kampusu, 35430, Urla, Izmir, Turkey
  • Material Science and Engineering, Faculty of Engineering and Architecture, Izmir Katip Celebi University, Cigli, İzmir, Turkey
  • Department of Chemistry, Selçuk University, Selçuklu/Konya, Turkey
  • Department of Physics, Ahi Evran University, 40100 Kırsehir, Turkey
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