硅表面可否用于电子舌应用？
Might silicon surface be used for electronic tongue application?
机构信息
Institute of High Technologies, Taras Shevchenko National University of Kyiv , 60 Volodimirska Street, 01033 Kiev, Ukraine.
出版信息
ACS Appl Mater Interfaces. 2014;6(21):18440-4. doi: 10.1021/am5058162. Epub 2014 Oct 24.
An electronic tongue concept based on 2D mapping of photogenerated charge carrier lifetimes in silicon put in contact with different liquids is reported. Such method based on intrinsic sensitivity of the silicon surface states to the surrounding studied liquids allows creation of their characteristic electronic fingerprints. To increase recognition reliability, a set of characteristic fingerprints for a given liquid/silicon interface is proposed to be recorded at different bias voltages. The applicative potential of our sensing concept was demonstrated for different spirits and water samples.
本文报道了一种基于二维硅中光生载流子寿命映射的电子舌概念，该硅与不同液体接触。这种基于硅表面态对所研究液体固有敏感性的方法可以创建其特征电子指纹。为了提高识别可靠性，建议在不同偏压下记录给定液体/硅界面的一组特征指纹。我们的传感概念的应用潜力已在不同的烈酒和水样中得到了证明。
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