F-doped CdO thin films deposited by spray pyrolysis

R. Ferro, J. A. Rodríguez, O. Vigil, A. Morales-Acevedo, G. Contreras-Puente

Research output: Contribution to journalArticlepeer-review

77 Scopus citations

Abstract

Thin films of CdO were prepared by spray pyrolysis using cadmium acetate as the Cd source. The films were intentionally doped with fluorine by adding NH4F in the solution. The substrate temperature was varied in the range from 170 to 290 °C while keeping the other deposition parameters constant, except the NH4F concentration in the solution, which was varied up to 8 wt%. The structural, optical, and electrical properties of the films were studied in order to obtain, under our experimental conditions, optimal values for the NH4F concentration and substrate temperature. We show that the best deposition conditions for a photovoltaic application of the films are substrate temperature Ts = 210 °C and NH4F concentration around 4%.

Original languageEnglish
Pages (from-to)477-483
Number of pages7
JournalPhysica Status Solidi (A) Applied Research
Volume177
Issue number2
DOIs
StatePublished - Feb 2000

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