New window materials used as heterojunction partners on CdTe solar cells

G. Contreras-Puente, O. Vigil, M. Ortega-López, A. Morales-Acevedo, J. Vidal, M. L. Albor-Aguilera

Research output: Contribution to journalConference articlepeer-review

36 Scopus citations

Abstract

We present in this work the processing and characterization of two semiconductor thin films (ZnS and ZnxCd1-xO) grown by chemical bath deposition (CBD), and used as heterojunction partners on CSVT-CdTe films. The photovoltaic properties of the ZnxCd1-xO/CdTe heterojunction are reported here for the first time. The analysis of the basic properties of the films was carried out by standard optical and electrical characterization techniques. The heterojunction systems were studied by means of I-V characteristics spectral response and quasi-static C-V measurements. Short-circuit currents of 8.9 and 22 mA/cm2, open-circuit voltages of 0.489 V and 0.324 V, fill factors of 0.29 and 0.42 and conversion efficiencies of 1.26 and 3.12% were obtained for SnO2/Zn0.9Cd0.1/CdTe and SnO2/ZnS/CdTe, respectively, under normalized 100 mW/cm2 illumination (AM1).

Original languageEnglish
Pages (from-to)378-382
Number of pages5
JournalThin Solid Films
Volume361
DOIs
StatePublished - 21 Feb 2000
EventThe 1999 E-MRS Spring Conference, Symposium O: Chalcogenide Semicondutors for Photovoltaics - Strasbourg, France
Duration: 1 Jun 19994 Jun 1999

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