Fabrication of Electrochemical Electrodes Based on Platinum and \(\text{ZnO}\) Nanofibers for Biosensing Applications

Dang Thi Thanh Le, Nguyen Van Hoang, Nguyen Van Hieu, Vu Quang Khue, Tran Quang Huy
Author affiliations

Authors

  • Dang Thi Thanh Le International Training Institute for Materials Science (ITIMS) - Hanoi University of Science and Technology (HUST)
  • Nguyen Van Hoang International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No.1, Dai Co Viet Str., Hanoi, Vietnam
  • Nguyen Van Hieu International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No.1, Dai Co Viet Str., Hanoi, Vietnam
  • Vu Quang Khue Advanced Institute for Science and Technology (AIST), Hanoi University of Science and Technology (HUST), No.1, Dai Co Viet Str., Hanoi, Vietnam
  • Tran Quang Huy

DOI:

https://doi.org/10.15625/0868-3166/27/3/10517

Keywords:

biosensing, nanofibers, electrochemical Pt electrodes, ZnO

Abstract

Platinum (Pt) electrodes were designed in imitation of screen-printed electrodes, and prepared by microelectronic techniques. These electrodes were then modified with zinc oxide (ZnO) nanofibers for biosensing applications. ZnO nanofibers with average length \( \sim 20-30\; \mu\) m and diameter \(\sim 150\) nm in hexagonal crystalline structure are prepared using electrospinning method. Their surface characteristics were analyzed by field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction. Electrochemical properties of modified Pt electrodes were investigated in comparison with commercial carbon screen-printed electrodes. The results showed that the cyclic voltammogram of modified Pt electrodes was stable, but has much lower resistance compared to that of carbon screen-printed electrodes.

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Published

18-11-2017

How to Cite

[1]
D. T. T. Le, N. V. Hoang, N. V. Hieu, V. Q. Khue, and T. Q. Huy, “Fabrication of Electrochemical Electrodes Based on Platinum and \(\text{ZnO}\) Nanofibers for Biosensing Applications”, Comm. Phys., vol. 27, no. 3, p. 221, Nov. 2017.

Issue

Vol. 27 No. 3 (2017)

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Papers

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Received 14-07-2017
Accepted 12-10-2017
Published 18-11-2017