Hanbo Jung

3 Questions 6 Answers 0 Followers

Questions related from Hanbo Jung

Why strange double peak is happened when I measure photoluminescence(PL) with 532nm laser?

I tried to measure PL (with 532 nm laser, power: 2mW, 700V) for CsSnBr3 thin film(500nm) which is 1.8 eV of band gap ( wavelength:690nm). Unfortunately, I observed double around peak...

01 April 2022 7,727 6 View

For perovskite film, how to increase between glass substrates and DMF solution?

I'm fabricating CsSnBr3 perovskite thin film using spin-coating method. I used CsSnBr3 in DMF solution and chlorobenzene was added as a anti-solvent method After water, methanol and acetone...

10 September 2021 7,269 8 View

Are thin films sealed into glass petri dish suitable for performing XRD patterns?

For protecting my thin films(CsSnBr3) exposure to air, which contain Sn ion and vulnerable to air. So, I consider sealing it into glass petri dish which is amorphous and neglected by XRD peaks. Is...

21 July 2021 1,359 4 View