Photoluminescence and photoconductivity of ZnS:Mn(2+) nanoparticles synthesized via co-precipitation method.
Spectrochim Acta A Mol Biomol Spectrosc
; 76(5): 523-30, 2010 Sep 01.
Article
en En
| MEDLINE
| ID: mdl-20452818
ABSTRACT
Mn(2+) doped ZnS nanoparticles are characterized using UV-vis, photoluminescence and photoconductivity studies. The size of Mn(2+) doped ZnS NPs is estimated to be 2-4nm by X-ray diffraction. UV-vis spectra show a blue shift in absorption edge as compared to bulk counterpart. Photoluminescence spectra indicate that orange luminescence varies with Mn(2+) concentration. The Mn(2+) doped ZnS nanoparticles are found to be photosensitive. The doping of Mn(2+) ions improves the photosensitivity of the ZnS nanoparticles system. The time-resolved rise and decay of photocurrent indicate anomalous behavior during steady state illumination.
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Fotoquímica
/
Sulfuros
/
Compuestos de Zinc
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Nanopartículas del Metal
/
Manganeso
Idioma:
En
Revista:
Spectrochim Acta A Mol Biomol Spectrosc
Asunto de la revista:
BIOLOGIA MOLECULAR
Año:
2010
Tipo del documento:
Article