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

Measurement evidence

Microscopy Morphology

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

4 measurement groups · 8 results

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

HRTEM

DMF-derived MAPbI3 film on copper grid · Thin Film

High-resolution imaging of film prepared directly on copper grid to minimise water-vapour effects.

Context
DMF-derived MAPbI3 thin film
Measurement source
038403-4 · 3.1 · Figure 2(a)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
HRTEM defect observationordered crystallographic orientation but clear dislocation defectsText
Qualitative
038403-4 · 3.1 · Figure 2(a)

HRTEM

GBL-derived MAPbI3 film on copper grid · Thin Film

High-resolution imaging of film prepared directly on copper grid to minimise water-vapour effects.

Context
GBL-derived MAPbI3 thin film
Measurement source
038403-4 · 3.1 · Figure 2(b)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
HRTEM defect observationMarked as a best value within this paperhigh crystallinity and no obvious defects in the field of viewText
Qualitative
038403-4 · 3.1 · Figure 2(b)

SEM using Hitachi S-4800

DMF-derived MAPbI3 film on mesoporous TiO2 · Thin Film

Surface and cross-section imaging of DMF-derived film on mesoporous TiO2.

Context
DMF-derived MAPbI3/TiO2 film
Measurement source
038403-2 · 2.4 · Figure 1(a-c)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
DMF strip-like crystal length3-5 umrange 3-5 umText
Range
038403-2 · 3.1 · Figure 1(a,b)
DMF strip-like crystal width0.5-1 umrange 0.5-1 umText
Range
038403-2 · 3.1 · Figure 1(a,b)
mesoporous TiO2 filling qualitypoor filling; many exposed mesoporous TiO2 regions and obvious gapsText
Qualitative
038403-3 · 3.1 · Figure 1(c)
DMF ribbon-like crystal thicknessabout 200 nmaboutText
Approximate
038403-3 · 3.1 · Figure 1(c)

SEM using Hitachi S-4800

GBL-derived MAPbI3 film on mesoporous TiO2 · Thin Film

Surface and cross-section imaging of GBL-derived film on mesoporous TiO2.

Context
GBL-derived MAPbI3/TiO2 film
Measurement source
038403-4 · 3.1 · Figure 1(d-f)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
GBL capping layer thicknessMarked as a best value within this paperabout 200 nmaboutText
Approximate
038403-4 · 3.1 · Figure 1(f)
mesoporous TiO2 filling qualityMarked as a best value within this paperdense filling and good contact between perovskite and TiO2 particlesText
Qualitative
038403-4 · 3.1 · Figure 1(f)