Diffraction Structure — High performance metal–organic-framework coatings obtained via thermal gradient synthesis

Measurement evidence

Diffraction Structure

High performance metal–organic-framework coatings obtained via thermal gradient synthesis · Jeremias F., Henninger S.K., Janiak C. · Chemical Communications · 2012 · 9708-9710

2 measurement groups · 9 results

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

PXRD / powder diffractogram

HKUST-1 coating on 5 cm x 5 cm copper sheet · Thin Film

Powder diffraction patterns measured using Bruker D8 Advance with Cu-Kalpha radiation and LYNXEYE detector, Bragg-Brentano geometry, 4 s/0.01 deg per step.

Atmosphere
ambient during PXRD not specified
Geometry
coated sheet / separated layers compared with HKUST-1 simulation
Context
whole coating and separated bottom layer
Measurement source
9709 · Results · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
bottom-layer crystalline Cu2O assignmentCu2O presentQualitative
Qualitative
9709 · Results · Figure 3
bottom-layer crystalline rouaite assignmentCu2(NO3)(OH)3 (rouaite) presentQualitative
Qualitative
9709 · Results · Figure 3
major crystalline phaseMarked as a best value within this paperHKUST-1 major crystalline phase confirmedQualitative
Qualitative
9709 · Results · Figure 3

Water-vapour cycling followed by PXRD

HKUST-1 coating after 500 water-vapour ad/desorption cycles · Thin Film

Vacuum chamber with water vapour of 12 mbar; temperatures alternated between 15 and 120 deg C for 90 s each over 500 cycles; PXRD before/after cycling.

Temperature
288 K and 393 K alternating
Atmosphere
12 mbar water vapour
Geometry
coated sheet
Context
degraded coating after water-vapour cycling
Measurement source
6 · Water vapour cycling · Figure S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
mechanical adhesion after water-vapour cyclingMarked as a best value within this papermechanical adhesion remained unchangedQualitative
Qualitative
9710 · Results
HKUST-1 structural retention after cyclingalmost complete loss of the structureQualitative
Qualitative
6 · Water vapour cycling · Figure S7
water-vapour cycling count500 cyclesText
Exact Reported
9710 · Results · Figure S7
relative vapour pressure at 15 deg Cp/p0 = 0.73Text
Exact Reported
6 · Water vapour cycling
relative vapour pressure at 120 deg Cp/p0 = 6.1 x 10^-3Text
Exact Reported
6 · Water vapour cycling
water vapour pressure12 mbarText
Exact Reported
6 · Water vapour cycling