Influence Of Temperature On Physical Properties Of Copper(I) Iodide

T. Prakash

Adv. Mater. Lett., 2011, 2 (2), pp 131-135

DOI: 10.5185/amlett.2011.1208

Publication Date (Web): Apr 08, 2012

Abstract


Copper (I) iodide (CuI) has been synthesized by wet chemical route at room temperature using freshly prepared copper oxide (CuO) as a precursor. The as-prepared CuI exists in g - phase and it undergoes two structural phase transition between room temperature and its melting point. Differential scanning calorimetry measurement in both heating and cooling cycles confirms its structural reversible phase transitions from g b phase then from b to a phase. In order to understand the underlying physical properties before and after transitions induced by temperature was studied by X-ray diffraction, scanning electron microscopy, fluorescence, fourier transformed infrared spectroscopy and thermal analysis using TGA, DTA and DSC.

Keywords

Transparent p-type semiconductors, phase transition

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