Spectroscopy — Metal–Organic Frameworks Coordination-Oriented Polymer Dielectrics for Neuromorphic Vision Sensors

Measurement evidence

Spectroscopy

Metal–Organic Frameworks Coordination-Oriented Polymer Dielectrics for Neuromorphic Vision Sensors · Zhu D., Du J., Peng Z. et al. · SmartMat · 2025 · e1322

2 measurement groups · 4 results

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

Sum frequency generation vibrational spectroscopy (SFG-VS)

PM1-based NeuVS OFET · Electrode

ssp configuration at dielectric surfaces and dielectric/C10-DNTT interfaces; visible wavelength fixed at 532 nm; IR tunable between 1000 and 4300 cm-1.

Geometry: PAA, PM1, PM2 surfaces and dielectric/C10-DNTT interfaces
Context: PAA control vs PM1/PM2 composites
Measurement source: 2,6-7 · 2.2 Device Characterization; 3.2 · Figure 3A,B

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SFG CH vibration region	2800-3000 cm-1	—	—	Text Range	6 · 3.2 · Figure 3A
SFG IR tunable range	1000 to 4300 cm-1	—	—	Text Range	2 · 2.2 Device Characterization · SFG method
SFG MOF organic moiety bands	around 2720 and 2780 cm-1	—	around	Text Approximate	6 · 3.2 · Figure 3A

TOF-SIMS

PM1 (PAA-MOF-1) dielectric film · Thin Film

3D distribution and depth information of species in PAA, PM1, and PM2 films.

Geometry: dielectric films
Context: PAA control compared with PM1 and PM2 composites
Measurement source: 2,4 · 2.2 Device Characterization; 3.1 · Figure 1B-D

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zr distribution trend across PAA, PM1, PM2	Zr contents in films gradually increase with increasing MOF amount	—	—	Qualitative Qualitative	4 · 3.1 · Figure 1B-D