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Journal of Materials Science: Materials in Electronics

Erschienen in:

01.07.2014

Preparation of colloidal cadmium selenide nanoparticles by pulsed laser ablation in methanol and toluene

verfasst von: Ahmed N. Abd, Nadir F. Habubi, Raid A. Ismail

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 7/2014

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Abstract

Colloidal spherical nanoparticles (NPs) of cadmium selenide (CdSe) have been prepared by laser ablation of cadmium target in methanol and toluene solutions. The properties of CdSe nanoparticles ablated in methanol and toluene were investigated and compared. The morphology and structure of synthesised CdSe NPs were analyzed by X-ray diffraction (XRD), scanning electron microscopy and transmission electron microscope (TEM). XRD investigation revealed that the nanoparticles are crystalline and have hexagonal structure. Optical absorption showed that the value of optical energy gap of ablated CdSe nanoparticles depends on the solution type. TEM measurements showed that CdSe NPs with diameters ranging from 25 to 35 nm were synthesised in methanol while, the nanoparticles ablated in toluene have diameters in the range of (40–50) nm.

Vorheriger Artikel Enhancement in the photocatalytic activity of Ag loaded N-doped TiO2 nanocomposite under sunlight

Nächster Artikel Lead-free vanadium-substituted (K0.485Na0.5Li0.015)(Nb0.9Ta0.1)O3 piezoceramics synthesized from nanopowders

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Titel: Preparation of colloidal cadmium selenide nanoparticles by pulsed laser ablation in methanol and toluene
verfasst von: Ahmed N. Abd
Nadir F. Habubi
Raid A. Ismail
Publikationsdatum: 01.07.2014
Verlag: Springer US
Erschienen in: Journal of Materials Science: Materials in Electronics / Ausgabe 7/2014
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI: https://doi.org/10.1007/s10854-014-2002-3

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