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Low-temperature solution-based processing to 7.24% efficient superstrate CuInS2 solar cells
, Article Solar Energy ; Volume 157 , 2017 , Pages 581-586 ; 0038092X (ISSN) ; Mahjoub, A. R ; Taghavinia, N ; Sharif University of Technology
Elsevier Ltd
2017
Abstract
The fabrication of high performance, solution-processed CIGS family solar cells is based on high-temperature crystallization processes in chalcogen-containing atmosphere and/or using dangerous solvents like hydrazine. The non-hydrazine sulfurization- and selenization-free reports typically suffer from poor grain structures. We report a facile strategy to overcome grain growth limitations at very low temperature processing (250 °C). Selenium free Superstrate configuration CuInS2 (CIS) solar cells are fabricated using a nanocrystals ink which avoiding from high temperature selenization or/and sulfurization is targeted. We investigated the effect of intentional M doping (M = Sb, Zn, Cd and Sn)...