Kwansik Park

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Questions related from Kwansik Park

How can i obtain clear CsSnI3 solution with SnF2?

I obtained clear solution with CsI, SnI2 in DMF:DMSO=4:1 ratio but when I tried dissolving CsI, SnI2 with small amount of SnF2 in DMF:DMSO=4:1 ratio I couldn't obtain a clear solution. Could...

03 December 2021 8,081 1 View

Why are there cuboid&needle like particles in MAPbI3 sequential sip-dip coating?

Hello I'm trying to fabricate PEN/ITO/PEDOT: PSS/MAPbI3 thin film via the sequential spin-dip coating method but I constantly get microstructure with cubiod&needle-like particles rather than...

22 May 2021 3,435 3 View