Hydrothermally synthesized zinc oxide nanoparticle based photodetector for blue spectrum detection Repository

Hydrothermally synthesized zinc oxide nanoparticle based photodetector for blue spectrum detection

Harith Ahmad and Tajdidzadeh, M. and Kishan Thambiratnam and Moh. Yasin (2018) Hydrothermally synthesized zinc oxide nanoparticle based photodetector for blue spectrum detection. Optik, 172. pp. 35-42.

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Abstract

A photodetector, based on zinc oxide nanoparticles (ZnO-NPs) is designed and fabricated using the drop casting method. Two glass slides coated with Indium tin oxide (ITO) thin films approximately 2.5 Î¼m thick are used as source and drain electrodes, together with Schottky contacts fabricated with ZnO-NPs for the efficient transfer of photo-generated charge carriers. The proposed photodetectors showed significant sensitivity under white light emitting diode (LED) illumination at 468 nm, which is near the blue light spectrum. The currentâ��voltage (Iâ��V) characteristics of the proposed photodetectors indicate the generation of electron-hole pairs under white LED illumination at 265 Î¼W, and stable photocurrent is achieved at high direct current (DC) bias voltages. Photodector response and recovery times of approximately 66.52 and 134.36 Î¼s respectively are obtained at LED frequency modulation of 100 Hz at a bias voltage of 5 V. This represents an enhancement of the capabilities of ZnO-NPs, which is typically used for detection in the UV region only. Â© 2018 Elsevier GmbH

Item Type:

Article

Additional Information:

cited By 4

Uncontrolled Keywords:

Bias voltage; Hydrothermal synthesis; II-VI semiconductors; Indium compounds; ITO glass; Light emitting diodes; Nanoparticles; Photodetectors; Photons; Tin oxides; Zinc castings; Zinc oxide, Blue light; Electron hole pairs; High direct-current; Hydrothermally synthesized; Indium tin oxide thin films; Schottky contacts; Source and drain electrodes; White light emitting diodes, ZnO nanoparticles

Divisions:

Artikel Ilmiah > SCOPUS INDEXED JOURNAL

Creators:

Creators	NIM
Harith Ahmad	UNSPECIFIED
Tajdidzadeh, M.	UNSPECIFIED
Kishan Thambiratnam	UNSPECIFIED
Moh. Yasin	UNSPECIFIED

Depositing User:

Ika Rudianto

Last Modified:

31 Dec 2020 14:24

URI:

http://repository.unair.ac.id/id/eprint/102363

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