| Constructing a TiO2/PDA core/shell nanorod array electrode as a highly sensitive and stable photoelectrochemical glucose biosensor | |
| Xu, Wei1; Yang, Wenke1; Guo, Hongkai1; Ge, Lianyuan1; Tu, Jinchun1; Zhen, Chao2 | |
| Corresponding Author | Tu, Jinchun(tujinchun@hainu.edu.cn) ; Zhen, Chao(czhen@imr.ac.cn) |
| 2020-03-10 | |
| Source Publication | RSC ADVANCES
 |
| Volume | 10Issue:17Pages:10017-10022 |
| Abstract | Developing stable PEC glucose biosensors with high sensitivity and low detection limit is highly desirable in the biosensor field. Herein, a highly stable and sensitive enzymatic glucose photoelectrochemical biosensor is rationally designed and fabricated by constructing TiO2/PDA core/shell nanorod arrays. The TiO2 nanorod as the core has the advantages of increasing charge transportation towards interfaces and enhancing the absorption of incident sunlight due to its single-crystal nature and one dimensional array structure. The PDA shell not only induces a rapid charge transfer across the interfaces but also stabilizes the biosensor performance by avoiding the decomposition of enzymes induced by the strong oxidizing holes from the TiO2 core. A remarkable performance with an ultrahigh sensitivity of 57.72 mu A mM(-1) cm(-2), a linear range of 0.2-1.0 mM, a glucose detection limit of 0.0285 mM (S/N = 3) and a high sensitivity of 8.75 mu A mM(-1) cm(-2) in a dynamic range of 1.0-6.0 mM were obtained for the glucose detection. This study might provide a strategy for constructing inorganic/organic core/shell structures with a satisfactory PEC performance. |
| Funding Organization | Key Research and Development Project of the Hainan Province ; National Natural Science Foundation of China |
| DOI | 10.1039/c9ra10445c |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Key Research and Development Project of the Hainan Province[ZDYF2018106] ; National Natural Science Foundation of China[51762012] |
| WOS Research Area | Chemistry |
| WOS Subject | Chemistry, Multidisciplinary |
| WOS ID | WOS:000520511800029 |
| Publisher | ROYAL SOC CHEMISTRY |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/137957 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Tu, Jinchun; Zhen, Chao |
| Affiliation | 1.Hainan Univ, Coll Mat & Chem Engn, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China 2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua RD, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Xu, Wei,Yang, Wenke,Guo, Hongkai,et al. Constructing a TiO2/PDA core/shell nanorod array electrode as a highly sensitive and stable photoelectrochemical glucose biosensor[J]. RSC ADVANCES,2020,10(17):10017-10022. |
| APA | Xu, Wei,Yang, Wenke,Guo, Hongkai,Ge, Lianyuan,Tu, Jinchun,&Zhen, Chao.(2020).Constructing a TiO2/PDA core/shell nanorod array electrode as a highly sensitive and stable photoelectrochemical glucose biosensor.RSC ADVANCES,10(17),10017-10022. |
| MLA | Xu, Wei,et al."Constructing a TiO2/PDA core/shell nanorod array electrode as a highly sensitive and stable photoelectrochemical glucose biosensor".RSC ADVANCES 10.17(2020):10017-10022. |
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