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|Title: ||Water based spray pyrolysis of metal-oxide solutions for Cu2ZnSn(S,Se)4 solar cells using low toxicity amine/thiol complexants|
|Authors: ||Wright, Lewis D.|
Betts, Thomas R.
Malkov, Andrei V.
Bowers, Jake W.
|Issue Date: ||2018|
|Publisher: ||© the Authors. Published by Elsevier|
|Citation: ||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.|
|Abstract: ||Cu 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.|
|Description: ||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/|
|Sponsor: ||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.|
|Publisher Link: ||https://doi.org/10.1016/j.tsf.2018.11.040|
|Appears in Collections:||Published Articles (Chemistry)|
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