Self-assembled monolayers as selective filters for chemical sensors
The lateral electrical conductivity of gold layers with thickness in the nanometer range was found to decrease due to adsorption of mercury, water, iodine and sulphuric compounds onto the gold surface. A self-assembled monolayer of hexadecanethiol, deposited on the gold surface, blocked the effects...
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| Veröffentlicht in: | Nanotechnology 2002-04, Vol.13 (2), p.175-178 |
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| container_end_page | 178 |
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| container_issue | 2 |
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| container_title | Nanotechnology |
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| creator | Mirsky, Vladimir M Vasjari, Majlinda Novotny, Ivan Rehacek, Vlastimil Tvarozek, Vladimir Wolfbeis, Otto S |
| description | The lateral electrical conductivity of gold layers with thickness in the nanometer range was found to decrease due to adsorption of mercury, water, iodine and sulphuric compounds onto the gold surface. A self-assembled monolayer of hexadecanethiol, deposited on the gold surface, blocked the effects of water and volatile sulphuric compounds on the lateral conductivity of the gold layers, but does not block the effects of iodine and mercury. The results indicate a selective permeability of hexadecanethiol monolayers for mercury vapor, thus providing a method for development of ultrathin filters for chemical sensors. (Author) |
| doi_str_mv | 10.1088/0957-4484/13/2/309 |
| format | Article |
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| ispartof | Nanotechnology, 2002-04, Vol.13 (2), p.175-178 |
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| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Analytical chemistry Chemistry Exact sciences and technology General equipment and techniques General, instrumentation Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing |
| title | Self-assembled monolayers as selective filters for chemical sensors |
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