Colloidal chemistry-based synthesis of quantized CuInS2/Se-2 nanoparticles
Jovanović, Dragana J.
Ahrenkiel, Scott Phillip
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Ternary chalcogenide nanoparticles, CuInS2 and CuInSe2, were synthesized in a high-temperature boiling non-polar organic solvent. X-Ray diffraction analysis revealed that both materials had a tetragonal (chalcopyrite) crystal structure. The morphology of the obtained materials was revealed by transmission electron microscopy. Agglomerated spherical CuInS2 nanoparticles with broad size distribution in the range from 2 to 20 nm were obtained. In the case of CuInSe2, isolated particles with a spherical or prismatic shape in the size range from 10 to 25 nm were obtained, as well as agglomerates consisting of much smaller particles with a diameter of about 2-5 nm. The particles with the smallest diameters of both materials exhibited quantum size effects.
Кључне речи:I-III-VI2 semiconductors / quantization / X-ray diffraction / optical properties
Извор:Journal of the Serbian Chemical Society, 2012, 77, 6, 789-797
- Утицај величине, облика и структуре наночестица на њихова својства и својства нанокомпозита (RS-172056)
ISSN: 0352-5139 (print)