Optical and electrical properties of p-type AgInSnxS 2-x (x = 0-0.04) thin films prepared by spray pyrolysis

M. L. Albor-Aguilera, J. J. Cayente-Romero, J. M. Peza-Tapia, L. R. De León-Gutiérrez, M. Ortega-López

Producción científica: Contribución a una revistaArtículo de la conferenciarevisión exhaustiva

11 Citas (Scopus)

Resumen

AgInSnxS2-x (x = 0-0.2) polycrystalline thin films were prepared by the spray pyrolysis technique. The samples were deposited on glass substrates at temperatures of 375 and 400 °C from alcoholic solutions comprising silver acetate, indium chloride, thiourea and tin chloride. All deposited films crystallized in the chalcopyrite structure of AgInS 2. A p-type conductivity was detected in the Sn-doped samples deposited at 375 °C, otherwise they are n-type. The optical properties of AgInSnxS2-x (x < 0.2) resemble those of chalcopyrite AgInS2. Low-temperature PL measurements revealed that Sn occupying an S-site could be the responsible defect for the p-type conductivity observed in AgInSnxS2-x (x < 2) thin films.

Idioma originalInglés
Páginas (desde-hasta)168-172
Número de páginas5
PublicaciónThin Solid Films
Volumen490
N.º2
DOI
EstadoPublicada - 1 nov. 2005
EventoIMRC 2004 -
Duración: 22 ago. 200426 ago. 2004

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