Nonplanar Spray-Coated
Perovskite Solar Cells
Posted on 2022-08-16 - 08:09
Spray coating is an industrially mature technique used
to deposit
thin films that combines high throughput with the ability to coat
nonplanar surfaces. Here, we explore the use of ultrasonic spray coating
to fabricate perovskite solar cells (PSCs) over rigid, nonplanar surfaces
without problems caused by solution dewetting and subsequent “run-off”.
Encouragingly, we find that PSCs can be spray-coated using our processes
onto glass substrates held at angles of inclination up to 45°
away from the horizontal, with such devices having comparable power
conversion efficiencies (up to 18.3%) to those spray-cast onto horizontal
substrates. Having established that our process can be used to create
PSCs on surfaces that are not horizontal, we fabricate devices over
a convex glass substrate, with devices having a maximum power conversion
efficiency of 12.5%. To our best knowledge, this study represents
the first demonstration of a rigid, curved perovskite solar cell.
The integration of perovskite photovoltaics onto curved surfaces will
likely find direct applications in the aerospace and automotive sectors.
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Thornber, Timothy; Game, Onkar S.; Cassella, Elena J.; O’Kane, Mary E.; Bishop, James E.; Routledge, Thomas J.; et al. (2022). Nonplanar Spray-Coated
Perovskite Solar Cells. ACS Publications. Collection. https://doi.org/10.1021/acsami.2c05085
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AUTHORS (13)
TT
Timothy Thornber
OG
Onkar S. Game
EC
Elena J. Cassella
MO
Mary E. O’Kane
JB
James E. Bishop
TR
Thomas J. Routledge
TA
Tarek I. Alanazi
MT
Mustafa Togay
PI
Patrick J. M. Isherwood
LI
Luis C. Infante-Ortega
DH
Deborah B. Hammond
JW
John M. Walls
DL
David G. Lidzey