CuO Nanoparticles from the Strongly Hydrated Ionic Liquid Precursor (ILP) Tetrabutylammonium Hydroxide: Evaluation of the Ethanol Sensing Activity
The sensing potential of CuO nanoparticles synthesized via precipitation from a water/ionic liquid precursor (ILP) mixture was investigated. The particles have a moderate surface area of 66 m2/g after synthesis, which decreases upon thermal treatment to below 5 m2/g. Transmission electron microscopy...
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| Veröffentlicht in: | ACS applied materials & interfaces 2012-02, Vol.4 (2), p.791-795 |
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| container_title | ACS applied materials & interfaces |
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| creator | Taubert, Andreas Stange, Franziska Li, Zhonghao Junginger, Mathias Günter, Christina Neumann, Mike Friedrich, Alwin |
| description | The sensing potential of CuO nanoparticles synthesized via precipitation from a water/ionic liquid precursor (ILP) mixture was investigated. The particles have a moderate surface area of 66 m2/g after synthesis, which decreases upon thermal treatment to below 5 m2/g. Transmission electron microscopy confirms crystal growth upon annealing, likely due to sintering effects. The as-synthesized particles can be used for ethanol sensing. The respective sensors show fast response and recovery times of below 10 s and responses greater than 2.3 at 100 ppm of ethanol at 200 °C, which is higher than any CuO-based ethanol sensor described so far. |
| doi_str_mv | 10.1021/am201427q |
| format | Article |
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Mater. Interfaces</addtitle><date>2012-02-22</date><risdate>2012</risdate><volume>4</volume><issue>2</issue><spage>791</spage><epage>795</epage><pages>791-795</pages><issn>1944-8244</issn><eissn>1944-8252</eissn><abstract>The sensing potential of CuO nanoparticles synthesized via precipitation from a water/ionic liquid precursor (ILP) mixture was investigated. The particles have a moderate surface area of 66 m2/g after synthesis, which decreases upon thermal treatment to below 5 m2/g. Transmission electron microscopy confirms crystal growth upon annealing, likely due to sintering effects. The as-synthesized particles can be used for ethanol sensing. 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| source | ACS Publications; MEDLINE |
| subjects | Copper - chemistry Electrochemical Techniques Ethanol - analysis Ionic Liquids - chemistry Nanoparticles - chemistry Nanoparticles - ultrastructure Quaternary Ammonium Compounds - chemistry Temperature |
| title | CuO Nanoparticles from the Strongly Hydrated Ionic Liquid Precursor (ILP) Tetrabutylammonium Hydroxide: Evaluation of the Ethanol Sensing Activity |
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