Sensing Application — Proton Conductive Metal-Organic Framework Encapsulating Emissive Hexacyanidochromate(III) Ions for Ratiometric and Lifetime-Based Detection of Humidity and Temperature

Measurement evidence

Sensing Application

Proton Conductive Metal-Organic Framework Encapsulating Emissive Hexacyanidochromate(III) Ions for Ratiometric and Lifetime-Based Detection of Humidity and Temperature · Niemiec M., Zakrzewski J.J., Reczynski M. et al. · Advanced Optical Materials · 2025 · 2403564

2 measurement groups · 19 results

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

Humidity-variable photoluminescence coupled to DVS

air-stable 1a bulk polycrystalline powder · Powder

Emission spectra/lifetime of 1a under 0-90% RH at 298 K, excitation 375 nm; DVS-coupled spectrofluorometer.

Temperature
298
Atmosphere
0-90% RH
Geometry
powder in DVS/optical fibre setup
Context
humidity sensor context
Measurement source
p.7 · 2.4 Dependence of Luminescence on Humidity · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
1a luminescent humidity sensing RH rangeMarked as a best value within this paper0-90% RHSI Table
Range
S43 · Table S18 · Table S18
humidity-cycle resistance for DeltaRH parameterminimum 99.4% over listed 5-90% RH cycling pointsSI Table
Exact Reported
S33 · Table S13 · Table S13
humidity-cycle resistance for tau^-1 parameterminimum 98.5% over listed 5-90% RH cycling pointsSI Table
Exact Reported
S33 · Table S13 · Table S13
humidity optical response timeless than 20 min after humidity change for 5-90% RH rangeText
Approximate
p.8 · 2.4 Dependence of Luminescence on Humidity · Figure S18
comparison-table classification for 1a humidity sensorratiometric and lifetime humidity detection; CrIII emission decreases with RH increase; operating range 0-90%SI Table
Range
S43 · Table S18 · Table S18
1a CrIII emission lifetime at 90% RHabout 1.01 ms at 90% RHText
Approximate
p.7 · 2.4 Dependence of Luminescence on Humidity · Figure 5
tauCr^-1-RH polynomial A coefficient, sorption1.15(4)*10^-2 ms^-10.04e-2SI Table
Exact Reported
S32 · Table S12 · Table S12
tauCr^-1-RH polynomial B1 coefficient, sorption1.12(2)*10^-2 ms^-1 %^-10.02e-2SI Table
Exact Reported
S32 · Table S12 · Table S12

Temperature-variable photoluminescence thermometry

dehydrated 1deh bulk powder · Powder

Emission spectra of 1deh under 375 nm excitation from 10-290 K; ratiometric DeltaT and DeltaT* thermometry.

Temperature
10-290
Atmosphere
sealed under Ar / 0% RH after dehydration
Geometry
powder between quartz plates
Context
temperature sensor context
Measurement source
p.9 · 2.5 Dependence of Luminescence on Temperature · Figure 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
1deh CrIII lifetime at 10 K26.23(9) ms0.09SI Table
Exact Reported
S40 · Table S15 · Table S15
1deh CrIII lifetime at 290 K17.56(5) ms0.05SI Table
Exact Reported
S40 · Table S15 · Table S15
comparison-table classification for 1deh thermometerMarked as a best value within this paperT operating range 56-247 K; max Sr 3.74% K^-1SI Table
Exact Reported
S44 · Table S19 · Table S19
DeltaT* high-performance thermometry range62-220 K for Sr > 1% K^-1Text
Range
p.10 · 2.5 Dependence of Luminescence on Temperature · Figure S20
maximum relative sensitivity for DeltaT*2.67% K^-1 at 103 KText
Exact Reported
p.10 · 2.5 Dependence of Luminescence on Temperature · Figure S20
DeltaT high-performance thermometry rangeMarked as a best value within this paper56-247 K for Sr > 1% K^-1Text
Range
p.9 · 2.5 Dependence of Luminescence on Temperature · Figure 6
temperature-cycle resistance for DeltaTminimum 99.4% over 9 cyclesSI Table
Exact Reported
S41 · Table S17 · Table S17
temperature-cycle resistance for DeltaT*minimum 99.6% over 9 cyclesSI Table
Exact Reported
S41 · Table S17 · Table S17
maximum relative sensitivity for DeltaTMarked as a best value within this paper3.74% K^-1 at 102 KText
Exact Reported
p.9 · 2.5 Dependence of Luminescence on Temperature · Figure 6
temperature of maximum DeltaT relative sensitivity102 KText
Exact Reported
p.9 · 2.5 Dependence of Luminescence on Temperature · Figure 6
DeltaT temperature uncertainty windowdeltaT below 1 K in 50-290 K rangeText
Range
p.9 · 2.5 Dependence of Luminescence on Temperature · Figure 6