Spectroscopy — Enhancement of Electrical Conductivity due to Structural Distortion from Linear to Nonlinear Dicarboxylato-Bridged Zn(II) 1D-Coordination Polymers

Measurement evidence

Spectroscopy

Enhancement of Electrical Conductivity due to Structural Distortion from Linear to Nonlinear Dicarboxylato-Bridged Zn(II) 1D-Coordination Polymers · Naskar K., Sil S., Sahu N. et al. · Crystal Growth and Design · 2019 · 2632-2641

4 measurement groups · 14 results

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

FT-IR spectroscopy

Compound 1 bulk crystals/powder · Single Crystal

KBr pellet; 4000-500 cm^-1 range.

Geometry
KBr pellet
Context
pristine compound 1 bulk sample
Measurement source
p002; SI page S2 · FT-IR spectroscopy · Figure S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
IR C=N stretch1609 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR asymmetric COO stretch1556 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR symmetric COO stretch1319 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR water stretch3252 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1

UV-Vis absorption and Tauc/Kubelka-Munk band-gap analysis

Compound 1 ITO/compound/Al Schottky thin-film device · Thin Film

Solid-state electronic absorption spectra on PerkinElmer LAMBDA 25; optical characterisation with Shimadzu 2401 PC UV-vis over 250-800 nm; Tauc and Kubelka-Munk analyses reported.

Geometry
thin film
Context
pristine compound 1 thin film
Measurement source
p008-p010; SI pages S8-S10 · Materials and physical method; Optical bandgap from Kubelka-Munk · Figure S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
UV absorption peak337 nmText
Exact Reported
p004; article page 2635 · Optical Characterization · Figure 4
band gap from Kubelka-Munk equation3.61 eVText
Rounded Reported
p010; SI page S10 · Optical bandgap from Kubelka-Munk · Figure S7
direct optical band gap from Tauc plotMarked as a best value within this paper3.67 eVText
Rounded Reported
p004-p005; article pages 2635-2636 · Optical Characterization · Figure 4

FT-IR spectroscopy

Compound 2 bulk crystals/powder · Single Crystal

KBr pellet; 4000-500 cm^-1 range.

Geometry
KBr pellet
Context
pristine compound 2 bulk sample
Measurement source
p002; SI page S2 · FT-IR spectroscopy · Figure S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
IR C=N stretch1622 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR asymmetric COO stretch1551 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR symmetric COO stretch1397 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1
IR water stretch3176 cm^-1Text
Exact Reported
p002; article page 2633 · Experimental Section - Synthesis · Figure S1

UV-Vis absorption and Tauc/Kubelka-Munk band-gap analysis

Compound 2 ITO/compound/Al Schottky thin-film device · Thin Film

Solid-state electronic absorption spectra on PerkinElmer LAMBDA 25; optical characterisation with Shimadzu 2401 PC UV-vis over 250-800 nm; Tauc and Kubelka-Munk analyses reported.

Geometry
thin film
Context
pristine compound 2 thin film
Measurement source
p008-p010; SI pages S8-S10 · Materials and physical method; Optical bandgap from Kubelka-Munk · Figure S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
UV absorption peak315 nmText
Exact Reported
p004; article page 2635 · Optical Characterization · Figure 4
band gap from Kubelka-Munk equation3.92 eVText
Rounded Reported
p010; SI page S10 · Optical bandgap from Kubelka-Munk · Figure S7
direct optical band gap from Tauc plotMarked as a best value within this paper3.93 eVText
Rounded Reported
p004-p005; article pages 2635-2636 · Optical Characterization · Figure 4