Optical Characterization of Zinc Selenide Compound Prepared through Hydrothermal Method

Fakhrurrazi Ashari; Josephine Liew Ying Chyi; Zainal Abdib Talib; W. Wahmood Wan Yunus; Leong Yong Jian; Lee Han Kee

doi:10.4028/www.scientific.net/MSF.846.237

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HomeMaterials Science ForumMaterials Science Forum Vol. 846Optical Characterization of Zinc Selenide Compound...

Optical Characterization of Zinc Selenide Compound Prepared through Hydrothermal Method

Abstract:

ZnSe which show a potential application in electronic devices such as photovoltaic devices, light emitting devices and photodetector have been synthesized through a hydrothermal method using ZnCl₂ and Se powder as the source. In a typical synthesis, Zn²⁺ and Se^2- ion have been prepared separately and charged into a Teflon-lined stainless steel autoclave. The hydrothermal reaction was conducted at 180 °C for 32 hours. Structural properties of ZnSe are studied by X-ray diffraction (XRD) while the optical properties of ZnSe compound are characterized through ultraviolet–visible spectroscopy (UV-Vis). From the XRD result, pure ZnSe with main XRD peak at 2θ = 27.29°, 45.30°, 53.62°, 65.88°, 72.68° has been observed. The result have been supported by the optical results where absoprtion peak at 460 nm with optical band gap energy (Eg) at 2.5 eV.

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Materials Science Forum (Volume 846)

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237-244

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.846.237

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March 2016

Authors:

Fakhrurrazi Ashari, Josephine Liew Ying Chyi*, Zainal Abdib Talib, W. Wahmood Wan Yunus, Leong Yong Jian, Lee Han Kee

Keywords:

Hydrothermal, Optical Band Gap, XRD, ZnSe Compound

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