Optical and electrical study of CdZnTe surfaces passivated by KOH and NH4F solutions

• Published in: Applied surface science Vol. 389; pp. 1214 - 1219
• Main Authors: Zázvorka, J., Franc, J., Statelov, M., Pekárek, J., Veis, M., Moravec, P., Mašek, K.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.12.2016
• Subjects: CdTe; Ellipsometry; Leakage current; Passivation; Surface oxide; Leakage current; Surface oxide; CdTe; Passivation; Ellipsometry

•Surface of CdZnTe samples was passivated after chemical etching.•KOH and NH4F solutions were used as passivation agents.•Growth of surface oxide after passivation is observed.•Surface oxide thickness was evaluated over time after chemical treatment.•Oxidation of the sample correlates with decreased...