Diffraction Structure — Mithrene is a self-assembling robustly blue luminescent metal-organic chalcogenolate assembly for 2d optoelectronic applications

Measurement evidence

Diffraction Structure

Mithrene is a self-assembling robustly blue luminescent metal-organic chalcogenolate assembly for 2d optoelectronic applications · Schriber E.A., Popple D.C., Yeung M. et al. · ACS Applied Nano Materials · 2018 · 3498-3508

2 measurement groups · 7 results

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

Grazing-incidence wide-angle X-ray scattering (GIWAXS) and XRD comparison

Mithrene concentration and growth-time screening samples · Thin Film

ALS beamline 7.3.3; 10 keV beamline energy, 1.24 Angstrom wavelength, 0.5 mm beam, 280 mm sample-detector distance, helium atmosphere, silver behenate calibration, Ewald corrections with Xi-cam I.

Atmosphere
helium
Geometry
Grazing-incidence static stage; sparse films and bulked powder on silicon.
Context
Pristine mithrene crystals with varied morphology; amorphous MOCP may contribute low-q halos.
Measurement source
main pp.5-8, article pp.3502-3505 · Crystal Structure Is Conserved across All Morphologies; Characterization · Figures 8-10 and Figures S9-S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Preferred orientationMithrene crystallites primarily adopt face-on orientation with the {001} face parallel to the substrate.Text
Qualitative
main p.6, article p.3503 · Crystal Structure Is Conserved across All Morphologies · Figures 9-10
GIWAXS beamline energy10 keVText
Exact Reported
main p.8, article p.3505 · Characterization
Indexed lamellar Bragg reflections{002}, {004}, {006}, {008}, and {0010} indexed reflections correspond to lamellar stacking.Text
Qualitative
main p.5, article p.3502 · Crystal Structure Is Conserved across All Morphologies · Figure 8
GIWAXS indexing wavelength1.24 AngstromText
Exact Reported
main p.8, article p.3505 · Characterization
Multiple crystalline phases not detectedNo evidence for multiple crystalline phases in bulk powder comparison.Caption
Qualitative
main p.6, article p.3503 · Figure caption · Figure 8a
Crystal lattice conserved across morphologyMarked as a best value within this paperNo significant shifts in scattering peak q position; no phase changes occurred in any concentration examined.Text
Qualitative
main p.6, article p.3503 · Crystal Structure Is Conserved across All Morphologies · Figures 8-10

Calculated/theoretical powder XRD reference patterns

Bulked mithrene powder from about 50 reactions · Powder

Calculated powder XRD patterns adjusted to monochromatic 1.24 Angstrom synchrotron wavelength, with 2theta and q axes.

Context
Reference pattern for crystalline mithrene structure assignment.
Measurement source
SI pp.S-2-S-3 · Supporting Information · Figures S1-S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Calculated PXRD reference patterns suppliedCalculated powder XRD patterns are supplied for 2theta and q axes at 1.24 Angstrom wavelength.Caption
Exact Reported
SI pp.S-2-S-3 · Supporting Information · Figures S1-S2