| WU Yun-ying,CHEN Tong-bin.The Application of Hydrophobic Thin Film to QCM Sensor[J],39(5):111-114 |
| The Application of Hydrophobic Thin Film to QCM Sensor |
| Received:April 06, 2010 Revised:October 10, 2010 |
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| DOI： |
| KeyWord:hydrophobic thin film QCM microwave plasma-enhanced CVD chemical sensors |
| Author | Institution |
| WU Yun-ying |
Department of Chemisty, Hanshan Normal University, Chaozhou , China |
| CHEN Tong-bin |
Department of Chemisty, Hanshan Normal University, Chaozhou , China |
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| Abstract: |
| The hydrophobic nano-film(trimethylmethoxysilane) was prepared on quartz crystal microbalance (QCM)sensors by means of microwave plasma chemical vapor deposition. The choice performance and sensibilisty for test organic substance were studied. The results show that: modified QCM electrode surface selectively adsorbs organic compounds to inhibit the absorption of water molecules. By controlling the film forming conditions, increased the film surface area to increase the organic matter adsorption to enhance the sensitivity of detection for organic molecules. The sensor can be used to detect of harmful organisms in high-humidity environment. |
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