Open AccessStudy the Structural, Morphological and Optical Properties of Copper Sulfide Prepared by Two-Phase Colloidal Method
Author(s) -
Selma M. H. Al-Jawad,
Ali A. Taha,
Mustafa M. Muhsen
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1795/1/012046
Subject(s) - covellite , copper sulfide , diffractometer , copper , field emission microscopy , materials science , nanoparticle , phase (matter) , hexagonal phase , sulfide , analytical chemistry (journal) , scanning electron microscope , colloid , crystallography , chemical engineering , hexagonal crystal system , diffraction , nanotechnology , chemistry , optics , metallurgy , chalcopyrite , chromatography , composite material , physics , organic chemistry , engineering
In this paper, copper sulfide nanoparticles were synthesized by two-phase colloidal method with different reaction temperatures (140, 160, 180 and 200°C). The structural, morphological and optical properties of prepared CuS were analyzed by the X-Ray Diffractometer (XRD), Field Emission Scanning Electron Microscope (FESEM) and UV-VIS Spectrophotometer. The XRD peaks refer to the covellite copper sulfide with hexagonal structure. FESEM showed the rod formation at lower temperatures (140 and 160°C), whereas higher temperatures (180 and 200°C) form nanocrystals within spheres structures. UV-VIS showed that CuS nanoparticles have two absorption peaks, one at UV-VIS region and the second at NIR region and its energy gap decrease with increasing of reaction temperature.