A rapid responding ultraviolet sensor based on multi-parallel aligned ZnO nanowires field effect transistor

Teck Yaw Tiong, Chang Fu Dee, Azrul Azlan Hamzah, Boon Tong Goh, Yuan Yee Wong, Lia Ooi, Burhanuddin Yeop Majlis, Muhamad Mat Salleh, Ishaq Ahmad

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

One-dimensional zinc oxide nanowires (ZnO NWs) have been reported to be suitable for UV sensing, but their applications are limited due to restricted surface area which restrains the performance especially in term of response and recovery. In this paper, we fabricate a UV sensor using multi-parallel aligned ZnO NWs based FET in order to overcome the mentioned drawbacks. The sensing characteristics of multi-parallel aligned ZnO NWs based FET toward 0.44 mW/cm2 UV illumination has been examined under depletion and enhancement modes, at ambient conditions. The fabricated UV sensor was found to possess the ability to differentiate UV with different intensity, improved sensitivity (in depletion mode), short response and recovery time (< 1 s), and with high stability. Our paper reports a simple and effective approach for UV sensor fabrication with high responsivity, sensitivity and reproducibility.

Original languageEnglish
Pages (from-to)139-145
Number of pages7
JournalSensors and Actuators, A: Physical
Volume260
DOIs
Publication statusPublished - 15 Jun 2017

Fingerprint

Zinc Oxide
Field effect transistors
Zinc oxide
zinc oxides
Nanowires
nanowires
field effect transistors
sensors
Sensors
depletion
recovery
Recovery
sensitivity
Lighting
illumination
Fabrication
fabrication
augmentation

Keywords

  • Dielectrophoresis
  • Electrodeposition
  • FET
  • Interdigitated electrodes
  • Ultraviolet sensor
  • ZnO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

A rapid responding ultraviolet sensor based on multi-parallel aligned ZnO nanowires field effect transistor. / Tiong, Teck Yaw; Dee, Chang Fu; Hamzah, Azrul Azlan; Goh, Boon Tong; Wong, Yuan Yee; Ooi, Lia; Yeop Majlis, Burhanuddin; Mat Salleh, Muhamad; Ahmad, Ishaq.

In: Sensors and Actuators, A: Physical, Vol. 260, 15.06.2017, p. 139-145.

Research output: Contribution to journalArticle

Tiong, Teck Yaw ; Dee, Chang Fu ; Hamzah, Azrul Azlan ; Goh, Boon Tong ; Wong, Yuan Yee ; Ooi, Lia ; Yeop Majlis, Burhanuddin ; Mat Salleh, Muhamad ; Ahmad, Ishaq. / A rapid responding ultraviolet sensor based on multi-parallel aligned ZnO nanowires field effect transistor. In: Sensors and Actuators, A: Physical. 2017 ; Vol. 260. pp. 139-145.
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AU - Wong, Yuan Yee

AU - Ooi, Lia

AU - Yeop Majlis, Burhanuddin

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