Dear All,
I know that spin coating using titanium isopropoxide can be done to prepare blocking layer for perovskite solar cell but I'm not sure to use static spin coating (adding droplets onto fto prior to spinning) or dynamic spin coating (adding amount of precusor solution at specific height while it is spinning). Can anyone explain to me how to prepare it? Thank you.
Ideally what we did is to use spray coating from diluted TiOx precursor solution. There are several versions of spray coating tools. One of them is an advanced ultrasonic spray machine with a heating stage. The simplest one you could do is to set up your own tool using a spray gun and hot plate. The hot plate has to be up to 550 degree C type. The spray gun sometimes is called as a spray brush employed by a artist. You can get a homogeneous films by practice using such a simple tool.
Hope it helps.
Xuhua Wang Xixia Liu
Abdelmajid Timoumi thanks for the answer, i'll try spin coating then annealing since i dont have that hotplate capable of reaching 550 oC- Badges
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