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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Young Jun Kim Cho, S.M. Hyeon-Bong Pyo Chang Auck Choi |
| Copyright Year | 2005 |
| Description | Author affiliation: Basic Res. Lab., Electron. & Telecommun. Res. Inst., Daejeon (Young Jun Kim; Cho, S.M.; Hyeon-Bong Pyo; Chang Auck Choi) |
| Abstract | Gold nanoparticles functionalized with methyl 3-mercaptopropionate (MMP) were synthesized and used as sensor materials to detect acetic acid in the sub-ppm range. The success of the MMP gold nanoparticles was confirmed by high resolution TEM and FTIR. The average diameter was characterized by TEM to be 3.1 nm. Transducer film was formed on a glass or a silicon substrate mounted with interdigitated gold electrodes. Highly porous morphology with sub-micron porosity was observed by SEM images of the nanoparticle film. The nanoparticle sensor was able to reproducibly detect around 50 ppb of acetic acid. Moreover linear relationship between response amplitude and analyte concentration was observed at least from 40 ppb to 2000 ppb |
| File Size | 918673 |
| File Format | |
| ISBN | 0780390563 |
| DOI | 10.1109/ICSENS.2005.1597832 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-10-30 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Gold Transducers Nanoparticles Sensor phenomena and characterization Semiconductor films Glass Silicon Substrates Electrodes Morphology |
| Content Type | Text |
| Resource Type | Article |
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