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Advanced Energy Materials· 2013Q1

Device Characteristics of CZTSSe Thin‐Film Solar Cells with 12.6% Efficiency

Wei Wang, Mark T. Winkler, Oki Gunawan, Tayfun Gokmen et al.

Short summary

A 12.6% efficient Cu2ZnSnSxSe4–x (CZTSSe) solar cell achieved higher short-circuit current density (Jsc) and open circuit voltage (Voc) than previous devices due to improved bulk CZTSSe quality and optical architecture.

AI-generated from the title and abstract; the full text is not read.

Key points

  • A champion CZTSSe solar cell achieved a power conversion efficiency of 12.6%.
  • Improvements in Jsc and Voc were observed compared to previous CZTSSe devices.
  • Enhanced bulk CZTSSe quality and improved optical architecture contributed to higher efficiency.
  • The reduction in Voc deficit suggests pathways for future efficiency increases.

AI-generated from the title and abstract; the full text is not read.

Abstract

A 12.6% Cu2ZnSnSxSe4–x (CZTSSe) solar cell is presented with detailed device characteristics. Both short-circuit current density (Jsc) and open circuit voltage (Voc) increase in the 12.6% champion, relative to previous devices, due to better bulk CZTSSe quality and improved optical architecture. The reduction in Voc deficit shows opportunities to push CZTSSe solar cells to higher efficiency.

The authors' abstract, as published at the source. Advanced Energy Materials, 2013 · DOI ↗

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Field: Electrical and Electronic Engineering

Electrical and Electronic EngineeringEngineering