Photoemission and Energy Gap of CdS Synthesized by Solid State Microwave-Plasma

Wonchai Promnopas; Titipun Thongtem; Somchai Thongtem

doi:10.4028/www.scientific.net/MSF.695.17

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A Study on the Characteristics of the Polycrystalline Silicon Annealed by the SHG Nd:YAG Laser
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Photoemission and Energy Gap of CdS Synthesized by Solid State Microwave-Plasma
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HomeMaterials Science ForumMaterials Science Forum Vol. 695Photoemission and Energy Gap of CdS Synthesized by...

Photoemission and Energy Gap of CdS Synthesized by Solid State Microwave-Plasma

Abstract:

Purified cadmium sulfide crystals were successfully synthesized from 1:2 molar ratio of Cd and S powders by a 900 W microwave plasma for 120 min and 140 min. In the present research, XRD and SAED patterns including SEM, TEM, and FIB images were used to indicate phase and morphology of the products, with their Raman peaks at 303 and 605 cm^-1. Photoemission was determined to be 537 nm, and direct energy gap (E_g) to be 2.48-2.51 eV.

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Materials Science Forum (Volume 695)

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17-20

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https://doi.org/10.4028/www.scientific.net/MSF.695.17

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Online since:

July 2011

Authors:

Wonchai Promnopas, Titipun Thongtem, Somchai Thongtem

Keywords:

CdS, Energy Gap, Photoemission, Solid State Microwave-Plasma

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