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Reference type: Journal
Authors: Jia XL, Chen DJ, Bin L, Lu H, Zhang R, Zheng YD
Article Title: Highly selective and sensitive phosphate anion sensors based on AlGaN/GaN high electron mobility transistors functionalized by ion imprinted polymer.
Publication date: 2016
Journal: Scientific Reports
Volume: 6
Page numbers: ArticleNo27728.
DOI: 10.1038/srep27728

Abstract: A novel ion-imprinted electrochemical sensor based on AlGaN/GaN high electron mobility transistors (HEMTs) was developed to detect trace amounts of phosphate anion. This sensor combined the advantages of the ion sensitivity of AlGaN/GaN HEMTs and specific recognition of ion imprinted polymers. The current response showed that the fabricated sensor is highly sensitive and selective to phosphate anions. The current change exhibited approximate linear dependence for phosphate concentration from 0.02 mg L-1 to 2 mg L-1, the sensitivity and detection limit of the sensor is 3.191 μA/mg L-1 and 1.97 μg L-1, respectively. The results indicated that this AlGaN/GaN HEMT-based electrochemical sensor has the potential applications on phosphate anion detection
Template and target information: phosphate anion


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