Digest Journal of Nanomaterials and Biostructures | |
DEVELOPMENT OF NANO-POROUS SILICON PHOTONIC SENSORS FORPESTICIDE MONITORING | |
H. Bui1  | |
关键词: Porous silicon multilayer; Photonic sensor; Pesticides; Atrazine degradation; Electrochemical etching; | |
DOI : | |
学科分类:生物技术 | |
来源: Institute of Materials Physics | |
【 摘 要 】
We present the results of research and development of photonic sensors based on nanoporoussilicon (pSi), which are used for determination of low concentration of atrazine andalpha (α); beta (β) isomer endosulfan concentration in aquatic environment. The limit ofdetection (LOD) of sensors is of 1.4 pg.mL-1, 0.32 μg.mL-1 and 0.21 μg.mL-1 for atrazineand α- and β-endosulfan, respectively. Experiment shows that atrazine’s half-life in theaqueous phase ranges from 60 to 150 days in the humic acid and/or water, respectively.These pSi-sensors can contribute to the detection of persistent pesticides in the aqueousmedium with short measuring time and high sensitivity for improving agricultural andfood productions with sustainable environmental protection.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201910283300694ZK.pdf | 507KB | download |