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Water based spray pyrolysis of metal-oxide solutions for Cu2ZnSn(S,Se)4 solar cells using low toxicity amine/thiol complexants
journal contribution
posted on 2018-12-06, 15:52 authored by Lewis Wright, Jamie Lowe, Martin BlissMartin Bliss, Vincent Tsai, Mustafa Togay, Tom BettsTom Betts, Michael WallsMichael Walls, Andrei MalkovAndrei Malkov, Jake BowersJake BowersCu ZnSnS(e) 2 4
deposited using solution processes has potential for terrawatt-scale deployment.
The champion highest efficiency
Cu ZnSn(S,Se) 2 4
cell published in literature is spin-coated
using the highly dangerous hydrazine which is an impractically scalable solvent and deposition
combination. As an alternative solvent amine-thiol mixtures have shown to complex with a wide
range of binary chalcogenides with much lower health risks than hydrazine. Herein we present two
further toxicity reductions, first by employing a less harmful amine-thiol pairing and second by
using water as a diluting solvent. We exclude extraneous elements from the precursor solution
such as halogens and with a sub-micron thickness crystalline absorber achieve an efficiency of
6.8 %. With the modified solution deposited by ultrasonic spray pyrolysis, this solution process is
scalable, abundant, and relatively non-toxic.
Funding
The authors would like to acknowledge the EPSRC for funding through the Centre for Doctoral Training in New and Sustainable Photovoltaics [grant number EP/L01551X/1] and The PVTEAM project [grant number EP/L017792/1] to support this work.
History
School
- Science
Department
- Chemistry
Published in
Thin Solid FilmsCitation
WRIGHT, L.D. ... et al., 2018. Water based spray pyrolysis of metal-oxide solutions for Cu2ZnSn(S,Se)4 solar cells using low toxicity amine/thiol complexants. Thin Solid Films, 669, pp. 588-594.Publisher
© the Authors. Published by ElsevierVersion
- VoR (Version of Record)
Publisher statement
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/Acceptance date
2018-11-21Publication date
2018-11-26Notes
This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/ISSN
0040-6090Publisher version
Language
- en