Electrical Transport — Bromine Vapor Induced Continuous p- to n-Type Conversion of a Semiconductive Metal-Organic Framework Cu[Cu(pdt)2]

Measurement evidence

Electrical Transport

Bromine Vapor Induced Continuous p- to n-Type Conversion of a Semiconductive Metal-Organic Framework Cu[Cu(pdt)2] · Gupta S., Tanaka H., Sato T. et al. · Inorganic Chemistry · 2022 · 4414-4420

3 measurement groups · 10 results

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

Two-electrode current-voltage characteristics of compressed pellets

Brx@Cu[Cu(pdt)2] bromine-doped series · Powder

Agilent E5291A SMU in E5260A mainframe; conductivities from J-E slope at E = 0.

Temperature
293
Geometry
compressed pellets, 3 mm diameter, surface area 0.07 cm2, typical thickness 0.05 cm
Context
pristine and Br-doped pellets
Measurement source
4 · Electrical Conductivity · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Nonlinear J-E curves near x = 0.5highly nonlinear around x = 0.5Text
Qualitative
4 · Electrical Conductivity · Figure 5a
Conductivity increase after bromine dopingorder of magnitude higher; 10-fold increaseText
Rounded Reported
4-5 · Electrical Conductivity; Conclusions · Figure 5
Electrical conductivity x = 01.4 x 10-4 S cm-1Text
Rounded Reported
4 · Electrical Conductivity · Figure 5
Electrical conductivity x = 0.10~0.00055 S cm-1 from Figure 5bFigure Axis
Approximate
4 · Electrical Conductivity · Figure 5b
Electrical conductivity x = 0.44~0.0014 S cm-1 from Figure 5bFigure Axis
Approximate
4 · Electrical Conductivity · Figure 5b
Electrical conductivity x = 0.62~0.00075 S cm-1 from Figure 5bFigure Axis
Approximate
4 · Electrical Conductivity · Figure 5b
Electrical conductivity x = 0.94~0.00054 S cm-1 from Figure 5bFigure Axis
Approximate
4 · Electrical Conductivity · Figure 5b

In situ resistance time-course under Br2 vapour exposure

Cu[Cu(pdt)2] single crystal for in situ Br2 exposure · Single Crystal

Cu[Cu(pdt)2] single crystal exposed to Br2 vapour; resistance monitored to 2000 s.

Atmosphere
Br2 vapour exposure
Geometry
single crystal contacted in flask apparatus with digital multimeter
Context
pristine crystal during bromination
Measurement source
S6 · Supporting Information · Figure S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Resistance decrease after in situ Br2 exposurebecame 1/40 after 2000 sText
Rounded Reported
4 · Electrical Conductivity · Figure S5
Time for reported resistance ratio2000 sText
Rounded Reported
4 · Electrical Conductivity · Figure S5

Two-probe temperature-dependent conductivity

Br0.44@Cu[Cu(pdt)2] · Pellet

Quantum Design PPMS under constant voltage 95 mV; Arrhenius plot for Br0.44@Cu[Cu(pdt)2].

Temperature
variable
Geometry
two-probe pellet/sample geometry not further specified
Context
Br0.44 doped sample
Measurement source
4 · Electrical Conductivity · Figure S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Activation energy for Br0.44@Cu[Cu(pdt)2]0.22 eVText
Exact Reported
4 · Electrical Conductivity · Figure S4