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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Matranga, Christopher Andio, Mark Ohodnicki, Paul R. Buric, Michael P. Wang, Congjun Baltrus, John Brown, Thomas D. |
| Copyright Year | 2013 |
| Abstract | Embedded sensors capable of operation in extreme environments including high temperatures, high pressures, and highly reducing, oxidizing and/or corrosive environments can make a significant impact on enhanced efficiencies and reduced greenhouse gas emissions of current and future fossil-based power generation systems. Relevant technologies can also be leveraged in a wide range of other applications with similar needs including nuclear power generation, industrial process monitoring and control, and aviation/aerospace. Here we describe a novel approach to embedded sensing under extreme temperature conditions by integration of Au-nanoparticle based plasmonic nanocomposite thin films with optical fibers in an evanescent wave absorption spectroscopy configuration. Such sensors can potentially enable simultaneous temperature and gas sensing at temperatures approaching 900–1000 °C in a manner compatible with embedded and distributed sensing approaches. The approach is demonstrated using the Au/SiO2 system deposited on silica-based optical fibers. Stability of optical fibers under relevant high temperature conditions and interactions with changing ambient gas atmospheres is an area requiring additional investigation and development but the simplicity of the sensor design makes it potentially cost-effective and may offer a potential for widespread deployment. |
| Starting Page | 9030 |
| Ending Page | 9039 |
| Page Count | 10 |
| File Format | HTM / HTML PDF |
| ISSN | 20403364 |
| Volume Number | 5 |
| Issue Number | 19 |
| Journal | Nanoscale |
| DOI | 10.1039/c3nr02891g |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Nuclear power Spectroscopy Greenhouse gas Nanocomposite Evanescent field |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology |
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