期刊
LUMINESCENCE
卷 23, 期 6, 页码 376-380出版社
WILEY-BLACKWELL
DOI: 10.1002/bio.1047
关键词
chemiluminescence; nanosized Y2O3; benzaldehyde; sensor
资金
- National Natural Science Foundation of China [60578026, 20345005]
A chemiluminescence sensor has been proposed for sensitive determination of benzaldehyde, with nanosized Y2O3 as the sensing material. Under optimized conditions, the linear range of the CL intensity vs. the concentration of benzaldehyde vapour is 1.8 ng/mL-10.8 mu g/mL (r(2) = 0.9996), with a detection limit of 0.90 ng/mL (signal:noise ratio = 3:1). The sensor also exhibits high selectivity to benzaldehyde because no or weak CL signals have been detected when foreign substances are introduced into the sensor. In addition, the sensor also shows good stability and longer lifetime within 100 h. The results indicate that the proposed sensor, which has high sensitivity and selectivity, shows great potential for the detection of benzaldehyde. Copyright (c) 2008 John Wiley & Sons, Ltd.
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