Characterization of mechanochemically synthesized lead selenide
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Marcela Achimovičová
,
Nina Daneu
Abstract
Mechanochemical synthesis of lead selenide PbSe nanocrystals was performed by high-energy milling of lead and selenium powders in a planetary ball mill. The structure properties of synthesized lead selenide were characterized by XRD analysis that confirmed crystalline nature of PbSe nanocrystals. Calculated average size of PbSe crystallites was 37 nm. The methods of particle size distribution analysis, specific surface area measurement, SEM and TEM were used for the characterization of surface and morphology of PbSe nanocrystals. SEM analysis revealed agglomerates of PbSe particles. However, HRTEM analysis confirmed perfect stoichiometric PbSe cubes with NaCl structure as well. UV-VIS-NIR spectrophotometry was used to confirm the blue shift of the small particles occurring in the powder product obtained by the mechanochemical synthesis.
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© 2009 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Magnetic nano- and microparticles in biotechnology
- Application of gas chromatography-mass spectrometry in research of traditional Chinese medicine
- Copper determination using ICP-MS with hexapole collision cell
- Reactivation of a palladium catalyst during glucose oxidation by molecular oxygen
- Robust stabilization of a chemical reactor
- Influence of production progress on the heavy metal content in flax fibers
- In vitro antifungal and antibacterial properties of thiodiamine transition metal complexes
- Synthesis, characterization, and antimicrobial activity of new benzoylthiourea ligands
- Investigation of DNA cleavage activities of new oxime-type ligand complexes and molecular modeling of complex-DNA interactions
- Characterization of mechanochemically synthesized lead selenide
- Hydroxyapatite modified with silica used for sorption of copper(II)
- Corrosion resistance of zinc electrodeposited from acidic and alkaline electrolytes using pulse current
- Ternary composites of multi-wall carbon nanotubes, polyaniline, and noble-metal nanoparticles for potential applications in electrocatalysis
- Synthesis of 2-[3-(trifluoromethyl)phenyl]furo[3,2-c]pyridine derivatives
- Key side products due to reactivity of dimethylmaleoyl moiety as amine protective group
- Comparative DFT study on the α-glycosidic bond in reactive species of galactosyl diphosphates
- Gas chromatographic retention times prediction for components of petroleum condensate fraction
- Gas chromatography with surface ionization detection of nitro pesticides
- Clean fuel-oriented investigation of thiophene oxidation by hydrogen peroxide using polyoxometalate as catalyst
- Aqueous foam stabilized by polyoxyethylene dodecyl ether
