Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 성기훈 | - |
dc.date.accessioned | 2019-11-30T16:17:30Z | - |
dc.date.available | 2019-11-30T16:17:30Z | - |
dc.date.issued | 2017-09 | - |
dc.identifier.citation | ANALYTICAL SCIENCES, v. 33, no. 9, page. 993-998 | en_US |
dc.identifier.issn | 0910-6340 | - |
dc.identifier.issn | 1348-2246 | - |
dc.identifier.uri | https://www.jstage.jst.go.jp/article/analsci/33/9/33_993/_article | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/115573 | - |
dc.description.abstract | In the present study, we developed an electrochemical sensor for highly sensitive detection of hydroxylamine using Au-Pt alloy nanoparticles. Au-Pt alloy nanoparticles were electrochemically deposited on a working electrode made of single walled carbon nanotubes. The framework composition in the Au-Pt alloy nanoparticle was easily controlled by adjusting the Au3+:Pt4+ composition ratio in the precursor solution. Morphological and chemical characterizations of the resulting Au-Pt alloy nanoparticles were performed using field emission scanning electron microscopy, X-ray diffraction, and energy dispersion X-ray spectroscopy. When the Au3+:Pt4+ ratio in the precursor solution was 1:5, the ratio of Au:Pt atom in alloy nanoparticle was about 6:4. Au60Pt40 alloy nanoparticles were found to have the optimum synthetic ratio for hydroxylamine detection. The electrocatalytic performance of Au-Pt alloy nanoparticles in the presence of hydroxylamine was also characterized using cyclic voltammetry, differential pulse voltammetry, and chronoamperometry. In the chronoamperometric detection of hydroxylamine, the sensor exhibited a detection limit of 0.80 mu M (S/N = 3) and a high sensitivity of 184 mu A mM(-1) cm(-2). Moreover, the amperometric response of the sensor in 1 mM hydroxylamine was stable for a long time (450 s). Long-term stability tests showed that the current responses to hydroxylamine were 96, 91 and 85% of the initial signal value after storage for 5, 10, and 20 days, respectively. | en_US |
dc.description.sponsorship | This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (2008-0061891). | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | JAPAN SOC ANALYTICAL CHEMISTRY | en_US |
dc.subject | Au-Pt alloy nanoparticles | en_US |
dc.subject | single-walled carbon nanotube | en_US |
dc.subject | hydroxylamine | en_US |
dc.subject | electrochemical sensor | en_US |
dc.subject | electrocatalysis | en_US |
dc.title | Electrochemical Detection of Hydroxylamine via Au-Pt Alloy Nanoparticle-modified Single-walled Carbon Nanotube Electrodes | en_US |
dc.type | Article | en_US |
dc.relation.volume | 33 | - |
dc.identifier.doi | 10.2116/analsci.33.993 | - |
dc.relation.page | 993-998 | - |
dc.relation.journal | ANALYTICAL SCIENCES | - |
dc.contributor.googleauthor | Geng, Yanfang | - |
dc.contributor.googleauthor | Ko, Euna | - |
dc.contributor.googleauthor | Van-Khue Tran | - |
dc.contributor.googleauthor | Chung, Woo Sung | - |
dc.contributor.googleauthor | Park, Chan Ho | - |
dc.contributor.googleauthor | Kim, Min Ki | - |
dc.contributor.googleauthor | Jin, Ga Hyun | - |
dc.contributor.googleauthor | Seong, Gi Hun | - |
dc.relation.code | 2017002055 | - |
dc.sector.campus | S | - |
dc.sector.daehak | GRADUATE SCHOOL[S] | - |
dc.sector.department | DEPARTMENT OF BIONANOTECHNOLOGY | - |
dc.identifier.pid | ghseong | - |
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