Spectroscopy — 2D metal-organic frameworks for ultraflexible electrochemical transistors with high transconductance and fast response speeds

Measurement evidence

Spectroscopy

2D metal-organic frameworks for ultraflexible electrochemical transistors with high transconductance and fast response speeds · Song J., Liu H., Zhao Z. et al. · Science Advances · 2023 · eadd9627

2 measurement groups · 7 results

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

Contact-angle measurement and UV-vis-NIR optical absorption/Tauc analysis

Pristine Cu3(HHTP)2 thin film · Thin Film

Water droplet contact angle; optical bandgap from Cu3(HHTP)2 film on glass.

Atmosphere
ambient
Geometry
thin film on glass for optical spectrum
Context
pristine_framework
Measurement source
main p.2 · Microfabrication of MOFECTs · figs. S6-S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Water contact angle66.92 degText
Exact Reported
main p.2 · Microfabrication of MOFECTs · fig. S6
Optical bandgapabout 0.22 eVText
Approximate
main p.2 · Microfabrication of MOFECTs · fig. S7

Ex situ X-ray photoelectron spectroscopy

Electrochemically doped Cu3(HHTP)2 films for ex situ XPS · Thin Film

Pristine, n-type doped and p-type doped Cu3(HHTP)2 films; 0.05 M CaCl2; 0.05 V or -0.5 V versus Ag/AgCl for 60 s.

Geometry
Cu3(HHTP)2 film on ITO
Context
doped and pristine comparison
Measurement source
main p.4 · Figures of merit of MOFECTs · fig. S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu+ 2p binding energy~932.8 eVText
Approximate
main p.4 · Figures of merit of MOFECTs · fig. S12B
Cu2+ 2p binding energy~934.6 eVText
Approximate
main p.4 · Figures of merit of MOFECTs · fig. S12B
No pronounced redox during operational ion dopingNo pronounced redox process occurs in the 2D MOF after ion doping within the operational voltage region.Text
Qualitative
main p.4 · Figures of merit of MOFECTs · fig. S12
O 1s XPS higher binding-energy component~532.5 eVText
Approximate
main p.4 · Figures of merit of MOFECTs · fig. S12C
O 1s XPS lower binding-energy component~531.2 eVText
Approximate
main p.4 · Figures of merit of MOFECTs · fig. S12C