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A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays

文献类型：期刊论文

作者Yang, Zhiqing1,2,3; Wang, Yi1,2; Zhang, Dun1,2
刊名SENSORS AND ACTUATORS B-CHEMICAL
出版日期2018-05-15
卷号261页码:515-521
关键词Biosynthesis ZnO nanorod arrays Sulfate-reducing bacteria Photoelectrochemical sensing platforms
ISSN号0925-4005
DOI10.1016/j.snb.2018.01.190
通讯作者Wang, Yi(wangyi@qdio.ac.cn) ; Zhang, Dun(zhangdun@qdio.ac.cn)
英文摘要New approach for fabrication of photoelectrochemical sensing platform has been demonstrated for sulfate-reducing bacteria (SRB) detection based on biosynthesis of CdS quantum dots (QDs) sensitizing ZnO nanorod arrays. ZnO nanorod arrays were synthesized on the FTO substrate via galvanic-cell-based approach and then silanized by (3-Aminopropyl)triethoxysilane (APTES) with amino groups to introduce Cd2+. By taking advantage of the characteristic bacterial metabolite (H2S) reaction with Cd2+, CdS QDs can be biosynthesized on the surface of ZnO nanorod and significant enhancement of photocurrent due to the formation of CdS/ZnO heterostructures. The fabricated PEC sensing platform showed detection sensitivity of 32 cfu/mL for SRB. The current work can provide new strategies to construct advanced PEC sensing platforms for detections of physiologic messenger molecules (H2S). (C) 2018 Elsevier B.V. All rights reserved.
资助项目Natured Science Foundation of China[41476068] ; Natured Science Foundation of China[41776090] ; National Key Research and Development Program of China[2016YFC1400605] ; National Key Basic Research Program of China[2014CB643304] ; Science & Technology Basic Research Program of Qingdao[16-5-1-19-jch] ; Qingdao National Laboratory for Marine Science and Technology
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
语种英语
WOS记录号WOS:000426437400062
出版者ELSEVIER SCIENCE SA
源URL[http://ir.qdio.ac.cn/handle/337002/158409]  
专题海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者Wang, Yi; Zhang, Dun
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, 1 Wenhai Rd, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Zhiqing,Wang, Yi,Zhang, Dun. A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays[J]. SENSORS AND ACTUATORS B-CHEMICAL,2018,261:515-521.
APA Yang, Zhiqing,Wang, Yi,&Zhang, Dun.(2018).A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays.SENSORS AND ACTUATORS B-CHEMICAL,261,515-521.
MLA Yang, Zhiqing,et al."A novel signal-on photoelectrochemical sensing platform based on biosynthesis of CdS quantum dots sensitizing ZnO nanorod arrays".SENSORS AND ACTUATORS B-CHEMICAL 261(2018):515-521.

入库方式： OAI收割

来源：海洋研究所

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