In situ sonochemical hydrolysis and deposition of composite layers of ionic liquid entrapped in colloidal silica network and their application as sensors for various gases |
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| Authors: | David S Jacob Avner Rothschild Harry L Tuller Aharon Gedanken |
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| Institution: | 1. Department of Chemistry and Kanbar Laboratory for Nanomaterials at the Bar-Ilan University Center for Advanced Materials and Nanotechnology, Bar-Ilan University, 52900 Ramat-Gan, Israel;2. Crystal Physics & Electroceramics Laboratory, Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA |
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| Abstract: | An efficient one-step process for forming uniform solid-like layers of ionic liquid (IL) entrapped in colloidal silica network on interdigitated electrodes (IDE) using ultrasonic deposition is described in this communication. The electrical response of such layers deposited on insulating substrates fitted with interdigitated electrodes was measured upon exposure to different gases (H2, NO2, CO, and CH4) in air demonstrating reversible and sensitive response at 100 °C. |
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