Spectroscopy — Effect of solvent on the perovskite thin film morphology and crystallinity

Measurement evidence

Spectroscopy

Effect of solvent on the perovskite thin film morphology and crystallinity · Wang D., Zhu H.-M., Zhou Z.-M. et al. · Wuli Xuebao/Acta Physica Sinica · 2015 · 038403

2 measurement groups · 3 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

UV-visible absorption using Hitachi U-4100

unannealed DMF-derived PbI2-MAI-DMF layered MOF film · Thin Film

DMF-derived unannealed and 100 C annealed films compared; samples prepared in glovebox, sealed, and tested within 10 min.

Atmosphere
sealed after glovebox preparation; RH below 40%
Geometry
thin film on mesoporous TiO2
Context
DMF-derived unannealed MOF-like intermediate compared with annealed perovskite
Measurement source
038403-6 · 3.2 · Figure 5(b)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
DMF annealed-film UV absorption onsetabsorption obviously strengthens from 770 nm after heatingText
Exact Reported
038403-5 · 3.2 · Figure 5(b)
unannealed DMF UV perovskite signatureno obvious 770 nm step; no or very little perovskite structureText
Qualitative
038403-6 · 3.2 · Figure 5(b)

UV-visible absorption using Hitachi U-4100

GBL-derived MAPbI3 film on mesoporous TiO2 · Thin Film

GBL-derived annealed film; samples prepared in glovebox, sealed, and tested within 10 min.

Atmosphere
sealed after glovebox preparation; RH below 40%
Geometry
thin film on mesoporous TiO2
Context
GBL-derived MAPbI3 film
Measurement source
038403-6 · 3.2 · Figure 5(d)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
GBL UV evidence for perovskiteMarked as a best value within this paperUV spectrum also proves the existence of perovskiteText
Qualitative
038403-6 · 3.2 · Figure 5(d)