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Title: An innovative approach for fabrication of Cu2ZnSnSe4 absorber layers using solutions of elemental metal powders
Authors: Cooper, Carl S.
Arnou, Panagiota
Wright, Lewis D.
Ulicna, Sona
Walls, Michael
Malkov, Andrei V.
Bowers, Jake W.
Keywords: Copper zinc tin selenide
Solution process
Issue Date: 2017
Publisher: © 2017 The Authors. Published by Elsevier B.V.
Citation: COOPER, C.S. ... et al., 2017. An innovative approach for fabrication of Cu2ZnSnSe4 absorber layers using solutions of elemental metal powders. Thin Solid Films, 633 (July), pp. 151–155.
Abstract: An innovative approach has been demonstrated for the deposition of Cu2ZnSnSe4 (CZTSe) absorber layers. Using a unique, safe solvent combination, moving away from hydrazine, elemental Cu, Zn, Sn and S/Se can be fully dissolved at ambient conditions, with the composition easily controlled. The preparation and the spray deposition of these solutions are performed in air, allowing a quick, easy and inexpensive process. Upon selenisation, large crystals are observed which are identified as the CZTSe kesterite phase using X-ray diffraction and Raman, the latter showing no distinctive signs of any binary or ternary secondary phases. Using this method, CZTSe absorber layers have been prepared for use in thin-film solar cells reaching efficiency of 3.2%. With further device optimisation, improved device performance will be achieved.
Description: Published by Elsevier. This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: The authors would like to acknowledge Loughborough Materials Characterisation Centre (LMCC) for the use of their facilities for FEGSEM images, as well as the EPSRC PVTEAM project (EP/L017792/1) for funding this work.
Version: Published
DOI: 10.1016/j.tsf.2016.12.026
URI: https://dspace.lboro.ac.uk/2134/23985
Publisher Link: http://dx.doi.org/10.1016/j.tsf.2016.12.026
ISSN: 0040-6090
Appears in Collections:Published Articles (Chemistry)

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