Highly Sensitive Hydrazine Chemical Sensor Based on CNT-PdPt Nanocomposites
Joint Authors
Kim, Sung Phil
Lee, Seul Gi
Choi, Hyun Chul
Choi, Myong Yong
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-10-20
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
Bimetallic PdPt nanoparticles were prepared using the chemical reduction method.
The PdPt nanoparticles were successfully deposited on thiolated carbon nanotubes (CNTs) to form a CNT-PdPt nanocomposite as an electron mediator for the fabrication of a hydrazine sensor.
The PdPt nanoparticles had an average particle size of 2.3 nm and were well dispersed on the surfaces of the CNTs in the prepared CNT-PdPt nanocomposite, as demonstrated using transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD).
Based on X-ray photoelectron spectroscopy (XPS) results, the estimated proportions of Pd and Pt in the CNT-PdPt nanocomposite were approximately 3.0% and 3.2%, respectively.
A fabricated chemical sensor based on CNT-PdPt was found to exhibit better amperometric activity with respect to the hydrazine oxidation reaction than CNT-Pd, CNT-Pt, and commercial Pd/C and Pt/C catalysts.
This sensor exhibited a linear range of 0.55–1,200 μM and a detection limit of 0.28 μM (S/N = 3) with a fast response time (within 5 s).
Furthermore, the sensor could be used repeatedly for the consecutive detection of hydrazine with good reusability and storage stability.
These properties demonstrate that the CNT-PdPt nanocomposite is a promising electron mediator for the fabrication of amperometric hydrazine sensors.
American Psychological Association (APA)
Kim, Sung Phil& Lee, Seul Gi& Choi, Myong Yong& Choi, Hyun Chul. 2015. Highly Sensitive Hydrazine Chemical Sensor Based on CNT-PdPt Nanocomposites. Journal of Nanomaterials،Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1068730
Modern Language Association (MLA)
Kim, Sung Phil…[et al.]. Highly Sensitive Hydrazine Chemical Sensor Based on CNT-PdPt Nanocomposites. Journal of Nanomaterials No. 2015 (2015), pp.1-10.
https://search.emarefa.net/detail/BIM-1068730
American Medical Association (AMA)
Kim, Sung Phil& Lee, Seul Gi& Choi, Myong Yong& Choi, Hyun Chul. Highly Sensitive Hydrazine Chemical Sensor Based on CNT-PdPt Nanocomposites. Journal of Nanomaterials. 2015. Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1068730
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1068730