期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 239, 期 -, 页码 578-585出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.08.071
关键词
SnO2-ZnO; Core-shell nanowire; Pd-Functionalization; Benzene (C-6 H-6); Gas sensor
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2016R1A6A1A03013422]
We have realized an excellent selective sensing to benzene (C6H6) by means of using SnO2-ZnO core shell nanowires functionalized with Pd nanoparticles. We obtained a response of 71 for 100 ppb of C6H6, which is the highest response reported thus far. The synergistic effects of variation of SnO2/ZnO potential barriers and chemical sensitization of Pd are responsible for the highest C6H6-sensing performance. These results highlight the potential for using Pd functionalized nanowires as a sensing platform in detecting trace concentrations of benzene, which is applicable in the future sensor, including the disease diagnosis and the environmental monitoring. (C) 2016 Elsevier B.V. All rights reserved.
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