Spectroscopy — Direct Observation of Confined I−⋅⋅⋅I2⋅⋅⋅I− Interactions in a Metal–Organic Framework: Iodine Capture and Sensing

Measurement evidence

Spectroscopy

Direct Observation of Confined I−⋅⋅⋅I2⋅⋅⋅I− Interactions in a Metal–Organic Framework: Iodine Capture and Sensing · Hu Y.-Q., Li M.-Q., Wang Y. et al. · Chemistry - A European Journal · 2017 · 8409-8413

1 measurement group · 4 results

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

Solid-state UV-Vis diffusion reflectance and Tauc/Davis-Mott band-gap fitting.

UV-visible and optical absorption spectroscopy

I2@1 iodine-loaded crystals · Single Crystal

UV-Vis-NIR spectra measured using BaSO4 reflectance reference; absorption spectra calculated by Kubelka-Munk function; 1 and I2@1 compared.

Atmosphere: solid state
Geometry: powder/solid diffuse-reflectance optical measurement
Context: Pristine host and iodine-loaded host comparison.
Measurement source: p004 / SI p.3 · Optical absorption measurement · Figure 2c; Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Absorption peak of 1	peaks at ca. 350 nm	—	—	Text Approximate	p002 / article p.8410 · Main text · Figure S8
Optical band gap of compound 1	3.20 eV	—	—	Text Exact Reported	p003 / article p.8411 · Main text · Figure 2c
Optical band gap of I2@1Marked as a best value within this paper	1.70 eV	—	—	Text Exact Reported	p003 / article p.8411 · Main text · Figure 2c
I2@1 broad visible absorption	broad absorption over the visible light window	—	—	Qualitative Qualitative	p003 / article p.8411 · Main text · Figure S8