Electrical Transport — Fluorescent metal-organic frameworks for selective sensing of toxic cations (Tl3+, Hg2+) and highly oxidizing anions ((CrO4)2−, (Cr2O7)2−, (MnO4)−)

Measurement evidence

Electrical Transport

Fluorescent metal-organic frameworks for selective sensing of toxic cations (Tl3+, Hg2+) and highly oxidizing anions ((CrO4)2−, (Cr2O7)2−, (MnO4)−) · Jana A.K., Natarajan S. · ChemPlusChem · 2017 · 1153-1163

2 measurement groups · 9 results

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

Direct-current electrical conductivity on pressed pellet with silver-paint contacts

compound I powdered single-crystal pellet with silver paint contacts · Pellet

Conductivity measured over 200-300 K; single crystals powdered and pressed into 0.4 cm diameter pellets with 0.034-0.045 cm thickness.

Temperature
200-300; 300 K value reported
Atmosphere
not specified
Geometry
pressed pellet, two silver-paint contacts on opposite sides
Context
pristine MOF pellet
Measurement source
p004 / article p.1156 · Electrical Properties · Figure S13 referenced
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy0.27 eVText
Rounded Reported
p004 / article p.1156 · Electrical Properties
DC conductivity at approximately 200 K read from Figure S13approximately 3.1 x 10^-10 S m^-1 at 1000/T approximately 5.0 K^-1Figure Axis
Approximate
SI p.14 · Electrical properties · Figure S13a
DC conductivity at 300 Kin the range of 10^-10 S m^-1Text
Approximate
p004 / article p.1156 · Electrical Properties
DC conductivity at approximately 300 K read from Figure S13approximately 8.5 x 10^-10 S m^-1 at 1000/T approximately 3.33 K^-1Figure Axis
Approximate
SI p.14 · Electrical properties · Figure S13a
Temperature dependence of conductivityconductivity increases exponentially with decreasing temperatureQualitative
Qualitative
p004 / article p.1156 · Electrical Properties · Figure S13 referenced

Direct-current electrical conductivity on pressed pellet with silver-paint contacts

compound II powdered single-crystal pellet with silver paint contacts · Pellet

Conductivity measured over 200-300 K; single crystals powdered and pressed into 0.4 cm diameter pellets with 0.034-0.045 cm thickness.

Temperature
200-300; 300 K value reported
Atmosphere
not specified
Geometry
pressed pellet, two silver-paint contacts on opposite sides
Context
pristine MOF pellet
Measurement source
p004 / article p.1156 · Electrical Properties · Figure S13 referenced
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energyMarked as a best value within this paper0.24 eVText
Rounded Reported
p004 / article p.1156 · Electrical Properties
DC conductivity at approximately 200 K read from Figure S13approximately 4.5 x 10^-9 S m^-1 at 1000/T approximately 5.0 K^-1Figure Axis
Approximate
SI p.14 · Electrical properties · Figure S13b
DC conductivity at 300 KMarked as a best value within this paperin the range of 10^-8 S m^-1Text
Approximate
p004 / article p.1156 · Electrical Properties
DC conductivity at approximately 300 K read from Figure S13approximately 1.25 x 10^-8 S m^-1 at 1000/T approximately 3.33 K^-1Figure Axis
Approximate
SI p.14 · Electrical properties · Figure S13b