Passivation of black phosphorus as organic-phase enzyme platform for bisphenol A determination
文献类型： 外文期刊
作者： Wu, Lidong 1 ; Meng, Qingyi 2 ; Xu, Zhiyuan 2 ; Cao, Qiang 1 ; Xiao, Yushi 1 ; Liu, Huan 1 ; Han, Gang 1 ; Wei, Shuhua 2 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Control Qual & Safety Aquat Prod, Beijing 100141, Peoples R China
2.North China Univ Technol, Coll Informat, Beijing 100043, Peoples R China
3.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China
关键词： Black phosphorus; Passivation; Tyrosinase; Organic phase biosensor; Interdigital electrode
期刊名称：ANALYTICA CHIMICA ACTA （ 影响因子：6.558； 五年影响因子：6.228 ）
ISSN： 0003-2670
年卷期： 2020 年 1095 卷
页码：
收录情况： SCI
摘要： Black phosphorus (BP) has a high charge-carrier mobility (similar to 1000 cm(2)V(-1)s(-1)), but the bare BP degrades rapidly in the presence of oxygen and water which limits the application of the BP. In this study, a simple, non-covalent passivation strategy is developed by modifying of the BP with hexamethylendiamine (HA). The functionalized BP exhibits good stability over 4 weeks. The organic phase interdigital electrode which is constructed by stable HA/BP and tyrosinase displays lowest noise signal (0.025 nA) and relatively low detection limit (10 nmol L-1) for bisphenol A. This work provides a new strategy for construction of novel biofuel cell, bioelectronics and biosensors. (C) 2019 Elsevier B.V. All rights reserved.
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