4.6 Article

Solution-deposited pure selenide CIGSe solar cells from elemental Cu, In, Ga, and Se

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 38, Pages 19263-19267

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta05300e

Keywords

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Funding

  1. National Natural Science Foundation of China [21203053, 21271064, 61306016]
  2. NSFC-HN [U1204214]
  3. Program for Changjiang Scholars and Innovative Research Team in University of Henan University [PCS IRT1126]

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A novel, robust and low-toxicity solution route to deposit CIGSe thin films for solar cell applications is proposed. The solvent mixture of 1,2-ethanedithiol and 1,2-ethylenediamine is employed for the first time to simultaneously dissolve elemental Cu, In, Ga, and Se, forming the CIGSe precursor solution. With this solution-processed CIGSe thin film solar cell, a power conversion efficiency of 9.5% has been achieved.

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