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.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| 1a luminescent humidity sensing RH rangeMarked as a best value within this paper | 0-90% RH | — | — | SI Table Range | S43 · Table S18 · Table S18 |
| humidity-cycle resistance for DeltaRH parameter | minimum 99.4% over listed 5-90% RH cycling points | — | — | SI Table Exact Reported | S33 · Table S13 · Table S13 |
| humidity-cycle resistance for tau^-1 parameter | minimum 98.5% over listed 5-90% RH cycling points | — | — | SI Table Exact Reported | S33 · Table S13 · Table S13 |
| humidity optical response time | less than 20 min after humidity change for 5-90% RH range | — | — | Text Approximate | p.8 · 2.4 Dependence of Luminescence on Humidity · Figure S18 |
| comparison-table classification for 1a humidity sensor | ratiometric 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% RH | about 1.01 ms at 90% RH | — | — | Text Approximate | p.7 · 2.4 Dependence of Luminescence on Humidity · Figure 5 |
| tauCr^-1-RH polynomial A coefficient, sorption | 1.15(4)*10^-2 ms^-1 | — | 0.04e-2 | SI Table Exact Reported | S32 · Table S12 · Table S12 |
| tauCr^-1-RH polynomial B1 coefficient, sorption | 1.12(2)*10^-2 ms^-1 %^-1 | — | 0.02e-2 | SI Table Exact Reported | S32 · Table S12 · Table S12 |