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Nanostructured boron-doped diamond electrode for seawater salinity detection
Shi, Dan1,2; Huang, Nan1; Liu, Lusheng1; Yang, Bing1; Zhai, Zhaofeng1,2; Wang, Yibao3; Yuan, Ziyao1,2; Li, Hong4; Gai, Zhigang3; Jiang, Xin1
Corresponding AuthorHuang, Nan(nhuang@imr.ac.cn) ; Gai, Zhigang(zhiganggai@126.com) ; Jiang, Xin(xjiang@imr.ac.cn)
2020-05-15
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume512Pages:8
AbstractElectrodes with high response and stability are urgently required to reach a steady and accurate measurement of seawater salinity. Herein, boron-doped diamond (BDD) is for the first time considered as a promising alternative to commercial platinum black in seawater salinity detection due to their considerable conductivity and outstanding stability. However, the intrinsical low double layer capacitance (DLC) of planar BDD film (BDDF) electrodes affect their response in the detection. To solve these problems, boron-doped diamond nanorod forest (BDDNF) electrodes are fabricated via hot filament chemical vapor deposition. Noted, four orders of magnitude larger of DLC (2820 mu F/cm(2)) than BDDF (0.35 mu F/cm(2)) is achieved on BDDNF due to a much enhanced electroactive surface area which is calculated to be 1.47 times larger than BDDF. Benefited from the enhanced DLC and accelerating diffusion resulted by the nanostructure, the response of BDDNF exhibits an enhancement by a factor of 1.5 compared to BDDF at the salinity of 40 %o. Moreover, in striking contrast to commercial platinum black electrode, the obtained BDDNF electrodes exhibit outstanding stability thanks to the increased amount of carbon oxygen functional groups on BDDNF surface. This work greatly promises the potential applications of BDDNF electrodes in seawater salinity detection.
KeywordBoron-doped diamond Double-layer capacitor Nanorod forest Salinity Seawater Conductivity electrode
Funding OrganizationJoint Research Fund Liaoning-Shenyang National Laboratory for Materials Science ; GDAS' Special Project of Science and Technology Development
DOI10.1016/j.apsusc.2020.145652
Indexed BySCI
Language英语
Funding ProjectJoint Research Fund Liaoning-Shenyang National Laboratory for Materials Science[2018510009] ; GDAS' Special Project of Science and Technology Development[2018GDASCX-0402]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000522731700053
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137867
Collection中国科学院金属研究所
Corresponding AuthorHuang, Nan; Gai, Zhigang; Jiang, Xin
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Qilu Univ Technol, Shandong Acad Sci, Inst Oceanog Instrumentat, 37 Miaoling Rd, Qingdao 266001, Peoples R China
4.Guangdong Inst New Mat, Changxing Rd 363, Guangzhou 510650, Peoples R China
Recommended Citation
GB/T 7714
Shi, Dan,Huang, Nan,Liu, Lusheng,et al. Nanostructured boron-doped diamond electrode for seawater salinity detection[J]. APPLIED SURFACE SCIENCE,2020,512:8.
APA Shi, Dan.,Huang, Nan.,Liu, Lusheng.,Yang, Bing.,Zhai, Zhaofeng.,...&Jiang, Xin.(2020).Nanostructured boron-doped diamond electrode for seawater salinity detection.APPLIED SURFACE SCIENCE,512,8.
MLA Shi, Dan,et al."Nanostructured boron-doped diamond electrode for seawater salinity detection".APPLIED SURFACE SCIENCE 512(2020):8.
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