期刊
BIOSENSORS & BIOELECTRONICS
卷 80, 期 -, 页码 34-38出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.01.043
关键词
Few-layered black phosphorus; Hydrogen peroxide sensing; Supercritical carbon dioxide; Rapid synthesis
类别
资金
- National Basic Research Program of China (973 Program) [2013CB932903]
- National Science Foundations of China, Qing Lan Project [61205057, 11574136]
- '1311 Talent Plan' Foundation of Nanjing University of Posts and Telecommunications, Six talent peaks project in Jiangsu Province [JY-014]
- Open Research Fund of State Key Laboratory of Bioelectronics, Southeast University and Jiangsu Provincial Key RD Program [BE2015700]
Solutions with large-scale dispersions of 2D black phosphorus (BP), often referred to as phosphorene, are obtained through solvent exfoliation. But, rapid phosphorene synthesis remains a challenge. Furthermore, although the chemical sensing capability of BP-based sensors has been theoretically predicted, its experimental verification remains lacking. In this study, we demonstrate the use of supercritical carbon dioxide-assisted rapid synthesis (5 h) of few-layer BP. In addition, we construct a non-enzymatic hydrogen peroxide (H2O2) sensor based on few-layer BP for the first time to utilize BP degradation under ambient conditions. The proposed H2O2 sensor exhibits a considerably lower detection limit of 1 x 10(-7) M compared with the general detection limit of 1 x 10(-7) M-5 x 10(-5) M via electrochemical methods. Overall, the results of this study will not only expand the coverage of BP research but will also identify the important sensing characteristics of BP. (C) 2016 Elsevier B.V. All rights reserved.
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