Advanced hybrid buffer layers for Cu2ZnSnSe4 solar cells

Y. Sanchez, H. Xie, M. Espindola-Rodriguez, S. Giraldo, M. Placidi, S. Lopez-Marino, V. Izquierdo-Roca, O. Vigil-Galan, E. Saucedo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Hybrid buffer layers configurations are investigated for their application in Cu2ZnSnSe4 based solar cells. For this purpose, In2S3/CdS, ZnS/CdS, CdS/In2S3 and CdS/ZnS were deposited by chemical bath deposition and fully characterized. Additionally, the impact of CdS grown with different precursors (CdSO4 and Cd(NO3)2) were also tested. Solar cells with 7.3% efficiency were obtained using In2S3/CdS and 8.9% using ZnS/CdS hybrid configurations, with efficiencies comparable or higher than the reference devices. These promising results point towards the need of exploring alternative hybrid buffers for CZTSe-based solar cells not only to maintain high efficiencies, but also to reduce the Cd content.

Translated title of the contributionCapas intermedias híbridas avanzadas para células solares Cu 2 ZnSnSe 4
Original languageEnglish
Title of host publication2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1511-1515
Number of pages5
ISBN (Electronic)978-150902724-8
DOIs
StatePublished - 18 Nov 2016
Event43rd IEEE Photovoltaic Specialists Conference, PVSC 2016 - Portland, United States
Duration: 5 Jun 201610 Jun 2016

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
Volume2016-November
ISSN (Print)0160-8371

Conference

Conference43rd IEEE Photovoltaic Specialists Conference, PVSC 2016
Country/TerritoryUnited States
CityPortland
Period5/06/1610/06/16

Keywords

  • cadmium compounds
  • chemical processes
  • energy conversion
  • photovoltaic cells
  • thin film devices

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