Spectroscopy — Metal-halide porous framework superlattices

Measurement evidence

Spectroscopy

Metal-halide porous framework superlattices · Zhang W., Jiang H., Liu Y. et al. · Nature · 2025 · 418-424

13 measurement groups · 23 results

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

circularly polarized luminescence

R-MBA/PbI2@PCN-606 amine-modified crystals · Single Crystal

linearly polarized 405-nm laser; power density 10 W cm-2 for Fig. 4h; 78 K

Temperature
78
Geometry
single crystal
Context
chiral amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4h
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
R-MBA/PbI2@PCN-606 CPL degree PP = 27.7Figure Axis
Rounded Reported
423 · Fig. 4h and text · Fig. 4h

circularly polarized luminescence

S-MBA/PbI2@PCN-606 amine-modified crystals · Single Crystal

linearly polarized 405-nm laser; power density 10 W cm-2 for Fig. 4h; 78 K

Temperature
78
Geometry
single crystal
Context
chiral amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4h
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
S-MBA/PbI2@PCN-606 CPL degree PMarked as a best value within this paperP = -29.3Figure Axis
Rounded Reported
423 · Fig. 4h and text · Fig. 4h

circularly polarized luminescence

S-NEA/PbI2@PCN-606 amine-modified crystals · Single Crystal

linearly polarized 405-nm laser; power density 10 W cm-2 for Fig. 4h; 78 K

Temperature
78
Geometry
single crystal
Context
chiral amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4h
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
R/S-NEA/PbI2@PCN-606 CPL degree Pabout 28%Text
Approximate
423 · Fig. 4h and text · Fig. 4h

FTIR

S-MBA/PbI2@PCN-606 amine-modified crystals · Single Crystal

KBr pellet FTIR; 400-4000 cm-1

Temperature
298
Geometry
powder/single crystals
Context
amine-modified versus pristine and PbI2@PCN-606
Measurement source
423 · Fig. 4 caption · Fig. 4e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FTIR C-N-H bending peak700 cm-1Figure Axis
Rounded Reported
422-423 · Physical properties/Fig. 4e · Fig. 4e
FTIR N-H bending peak1630 cm-1Figure Axis
Rounded Reported
422-423 · Physical properties/Fig. 4e · Fig. 4e

steady-state photoluminescence

S-MBA/PbI2@NU-1000 amine-modified crystals · Single Crystal

S-MBA/PbI2@MOF measured at 78 K; source data Fig. 4f

Temperature
78
Geometry
single crystal
Context
amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
S-MBA/PbI2@MOF PL peak wavelength505 nm at normalized maximum in source dataSI Table
Exact Reported
source-data sheet Fig 4f · Fig. 4f source data · Fig. 4f

steady-state photoluminescence

S-MBA/PbI2@PCN-606 amine-modified crystals · Single Crystal

S-MBA/PbI2@MOF measured at 78 K; source data Fig. 4f

Temperature
78
Geometry
single crystal
Context
amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
S-MBA/PbI2@MOF PL peak wavelengthMarked as a best value within this paper602.5 nm at normalized maximum in source dataSI Table
Exact Reported
source-data sheet Fig 4f · Fig. 4f source data · Fig. 4f
time to normalized PL maximumAH: 0.1 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
time to normalized PL maximumMBA: 8 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
time to normalized PL maximumNEA: 10 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
time to normalized PL maximumPA: 2.5 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
time to normalized PL maximumPDA/BDA label in source data: 3.5 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
time to normalized PL maximumPEA: 9 daysSI Table
Exact Reported
source-data sheet Fig 4b · Fig. 4b source data · Fig. 4b
room-temperature PLQY range for amine-treated PbI2@MOFabout 1-15%Text
Range
422 · Physical properties

steady-state photoluminescence

S-MBA/PbI2@PCN-609 amine-modified crystals · Single Crystal

S-MBA/PbI2@MOF measured at 78 K; source data Fig. 4f

Temperature
78
Geometry
single crystal
Context
amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
S-MBA/PbI2@MOF PL peak wavelength580 nm at normalized maximum in source dataSI Table
Exact Reported
source-data sheet Fig 4f · Fig. 4f source data · Fig. 4f

steady-state photoluminescence

S-MBA/PbI2@PCN-700 amine-modified crystals · Single Crystal

S-MBA/PbI2@MOF measured at 78 K; source data Fig. 4f

Temperature
78
Geometry
single crystal
Context
amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
S-MBA/PbI2@MOF PL peak wavelength477.5 nm at normalized maximum in source dataSI Table
Exact Reported
source-data sheet Fig 4f · Fig. 4f source data · Fig. 4f

ultrafast transient absorption

PbI2@NU-1000 single crystals · Single Crystal

Pump 320 nm; probe 450-650 nm; sample dispersed in acetonitrile

Temperature
298
Atmosphere
ambient
Geometry
cuvette
Context
guest-loaded superlattice
Measurement source
425 · Ultrafast transient absorption spectroscopic characterizations
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average recovery lifetime132 +- 12 ps+- 12 psText
Exact Reported
422 · Physical properties

ultrafast transient absorption

PbI2@PCN-606 single crystals · Single Crystal

Pump 320 nm; probe 450-650 nm; sample dispersed in acetonitrile

Temperature
298
Atmosphere
ambient
Geometry
cuvette
Context
guest-loaded superlattice
Measurement source
425 · Ultrafast transient absorption spectroscopic characterizations
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average recovery lifetimeMarked as a best value within this paper1619 +- 509 ps+- 509 psText
Exact Reported
422 · Physical properties

ultrafast transient absorption

PbI2@PCN-609 single crystals · Single Crystal

Pump 320 nm; probe 450-650 nm; sample dispersed in acetonitrile

Temperature
298
Atmosphere
ambient
Geometry
cuvette
Context
guest-loaded superlattice
Measurement source
425 · Ultrafast transient absorption spectroscopic characterizations
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average recovery lifetime1317 +- 244 ps+- 244 psText
Exact Reported
422 · Physical properties

ultrafast transient absorption

PbI2@PCN-700 single crystals · Single Crystal

Pump 320 nm; probe 450-650 nm; sample dispersed in acetonitrile

Temperature
298
Atmosphere
ambient
Geometry
cuvette
Context
guest-loaded superlattice
Measurement source
425 · Ultrafast transient absorption spectroscopic characterizations
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average recovery lifetime368 +- 14 ps+- 14 psText
Exact Reported
422 · Physical properties

UV-visible diffuse reflectance / Tauc analysis

S-MBA/PbI2@PCN-606 amine-modified crystals · Single Crystal

solid-state UV-vis; Kubelka-Munk direct bandgap linear fit

Temperature
298
Geometry
single crystal
Context
amine-modified superlattice
Measurement source
423 · Fig. 4 caption · Fig. 4d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
PbI2@PCN-606 direct bandgap1.95 eVFigure Axis
Rounded Reported
423 · Fig. 4d · Fig. 4d
PCN-606 direct bandgap2.99 eVFigure Axis
Rounded Reported
423 · Fig. 4d · Fig. 4d
S-MBA/PbI2@PCN-606 direct bandgap1.75 eVFigure Axis
Rounded Reported
423 · Fig. 4d · Fig. 4d