research product . 2016

Solution-processed In2S3 buffer layer for chalcopyrite thin film solar cells

Wang, Lan; Lin, Xianzhong; Ennaoui, Ahmed; Wolf, Christian; Lux-Steiner, Martha Ch.; Klenk, Reiner;
Open Access English
  • Published: 01 Jan 2016
  • Country: Germany
Abstract
We report a route to deposit In2S3 thin films from air-stable, low-cost molecular precursor inks for Cd-free buffer layers in chalcopyrite-based thin film solar cells. Different precursor compositions and processing conditions were studied to define a reproducible and robust process. By adjusting the ink properties, this method can be applied in different printing and coating techniques. Here we report on two techniques, namely spin-coating and inkjet printing. Active area efficiencies of 12.8% and 12.2% have been achieved for In2S3-buffered solar cells respectively, matching the performance of CdS- buffered cells prepared with the same batch of absorbers.
Subjects
free text keywords: :530 Physik [500 Naturwissenschaften und Mathematik], 500 Naturwissenschaften und Mathematik::530 Physik
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research product . 2016

Solution-processed In2S3 buffer layer for chalcopyrite thin film solar cells

Wang, Lan; Lin, Xianzhong; Ennaoui, Ahmed; Wolf, Christian; Lux-Steiner, Martha Ch.; Klenk, Reiner;