ISSN 0914-4935

Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials,
Volume 30, Number 4(2) (2018)

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pp. 939-946
S&M1552
https://doi.org/10.18494/SAM.2018.1809
Published: April 27, 2018

Resistance Study of Er-doped Zinc Oxide Diode by Spray Pyrolysis [PDF]

Tzu-Hsiang Lin, Wen-How Lan, Ming-Chang Shih, Mu-Chun Wang, Kuo-Jen Chang, Jia-Ching Lin, Shao-Yi Lee, Wen-Jen Lin, and Chien-Jung Huang

(Received November 17, 2017; Accepted January 18, 2018)

Keywords: resistance, zinc oxide, erbium

Undoped and erbium-doped zinc oxide followed by indium-doped zinc oxide layers on p-type Si substrate were prepared by spray pyrolysis with zinc acetate, erbium acetate, and indium nitrate precursors. The surface morphology and crystalline quality were investigated. Using a front- and back-side metallization process, diodes were fabricated. The current–voltage characteristics of these diodes were analyzed. The structural resistance, which is an important issue in gas sensing application, shows an increase–decrease behavior with the increase of erbium contents in zinc oxide. With a reverse bias in excess of 6 V, two distinct green light emissions with 536 and 555 nm wavelength and one red light emission at around 664 nm of the 5% erbium-doped zinc oxide diode can be observed. The structural resistance character, as well as the ideality factor of these diodes were analyzed and discussed.

Corresponding author: Wen-How Lan and Mu-Chun Wang


Cite this article
Tzu-Hsiang Lin, Wen-How Lan, Ming-Chang Shih, Mu-Chun Wang, Kuo-Jen Chang, Jia-Ching Lin, Shao-Yi Lee, Wen-Jen Lin, and Chien-Jung Huang, Resistance Study of Er-doped Zinc Oxide Diode by Spray Pyrolysis, Sens. Mater., Vol. 30, No. 4, 2018, p. 939-946.


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