Matjaž Kristl (Avtor), Brina Dojer (Avtor), Sašo Gyergyek (Avtor), Janja Kristl (Avtor)

Povzetek

Nickel and cobalt sulfides are promising materials in different cutting-edge research areas like solar cells, supercapacitors, catalysts, and electrode materials. Nickel and cobalt sulfides with various stoichiometries have been synthesized sonochemically from $Ni(CH_3COO)_2$ ∙ $4H_2O$, $Co(CH_3COO)_2$ ∙ $2H_2O$ and different sulfur precursors using a direct immersion ultrasonic probe. The products were characterized by X-ray powder diffraction, transmission electron microscopy (TEM) including EDX analysis, IR and UV–Vis spectroscopy and elemental analysis. Following products have been obtained: $NiS$, $Ni_3S_4$, $CoS_{1.097}$ and $Co_9S_8$, with average crystallite sizes in the range 7−30 nm. Effects of different reaction conditions on the size, morphology and optical band-gap energy were evaluated. Optical band-gap energies in the range 3.3 eV−3.8 eV were observed for the obtained nanoparticles.

Ključne besede

materiali;anorganska kemija;nanotehnologija;material science;inorganic chemistry;nanotechnology;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.01 - Izvirni znanstveni članek
Organizacija: UM FKKT - Fakulteta za kemijo in kemijsko tehnologijo
UDK: 54
COBISS: 20516118 Povezava se bo odprla v novem oknu
ISSN: 2405-8440
Matična publikacija: Heliyon
Št. ogledov: 1081
Št. prenosov: 342
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Slovenski jezik
Sekundarne ključne besede: materiali;anorganska kemija;nanotehnologija;
URN: URN:SI:UM:
Vrsta dela (COBISS): Znanstveno delo
Strani: str. 1-19
Letnik: ǂVol. ǂ3
Zvezek: ǂiss. ǂ3
Čas izdaje: March 2017
DOI: 1016/j.heliyon.2017.e00273
ID: 10847765