Electrical Transport — Piezoelectric-mediated two-dimensional copper-based metal–organic framework for synergistic sonodynamic and cuproptosis-driven tumor therapy

5 measurement groups · 21 results

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

XPS valence band spectroscopy, diffuse reflectance spectroscopy, and Mott-Schottky analysis

X-ray photoelectron spectroscopy Mott-Schottky analysis

CM-coated FTO working electrode · Electrode

Valence band potential, optical band gap and flat-band potential measured/deduced; Mott-Schottky in 0.5 M sodium sulfate at 1000 Hz.

Temperature: 298
Geometry: CM-coated FTO working electrode; Ag/AgCl reference; Pt counter electrode
Context: PVP-coated Cu-2MI composite electrode
Measurement source: p003; SI S12-S13 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2e-f; Fig. S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CM optical band gapMarked as a best value within this paper	2.75 eV	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2f
CM flat-band potential versus Ag/AgCl	-1.38 eV relative to Ag/AgCl	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. S8
CM flat-band potential versus NHE	-0.77 eV versus NHE	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. S8
CM semiconductor typeMarked as a best value within this paper	n-type semiconductor	—	—	Text Qualitative	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. S8
CM valence band potentialMarked as a best value within this paper	1.98 eV	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2e
Mott-Schottky measurement frequency	1000 Hz	—	—	Text Exact Reported	S3 · 4. Semiconductor Performance Testing · Fig. S8

Piezoresponse force microscopy (PFM)

CM nanosheets · Nanosheet

PFM topography, amplitude, phase, and phase-displacement response; 10 V bias and phase signal scanned from -10 to 10 V.

Geometry: AFM/PFM nanosheet measurement
Context: PVP-coated Cu-2MI composite
Measurement source: p003-p005; SI S12 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2a-d; Fig. S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PFM amplitude image colourbar maximum	20.1 mV	—	—	Figure Axis Rounded Reported	S12 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. S7a
PFM amplitude image colourbar minimum	-2.8 mV	—	—	Figure Axis Rounded Reported	S12 · Supplementary figures · Fig. S7a
PFM applied bias for phase hysteresis	10 V bias	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2d
PFM phase map colourbar maximum	141.039	—	—	Figure Axis Exact Reported	S12 · Supplementary figures · Fig. S7b
PFM phase map colourbar minimum	33.200	—	—	Figure Axis Exact Reported	S12 · Supplementary figures · Fig. S7b
PFM phase hysteresis loopMarked as a best value within this paper	180 degree phase hysteresis loop observed	—	—	Text Rounded Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2d
PFM scan voltage upper bound	10 V	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2d
PFM scan voltage lower bound	-10 V	—	—	Text Exact Reported	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2d

Electrochemical impedance spectroscopy (EIS)

Impedance spectroscopy

CM-coated FTO working electrode · Electrode

Room-temperature EIS in 10 mL solution containing 5 x 10^-3 M [Fe(CN)6]3-/4- and 0.1 M KCl; 100 kHz to 0.1 Hz; voltage amplitude 0.005 V; compared CM and ZIF-8.

Temperature: 298
Geometry: CM or ZIF-8 coated FTO working electrode; Ag/AgCl reference; Pt counter electrode
Context: PVP-coated Cu-2MI composite compared with ZIF-8 benchmark
Measurement source: SI S3; main p005 · 4. Semiconductor Performance Testing · Fig. 2g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CM Nyquist semicircle x-axis extent	about 7000 ohm	—	—	Visual Estimate Approximate	p005 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2g
CM EIS resistance-arc reduction relative to ZIF-8Marked as a best value within this paper	reduction of approximately 55%	—	—	Text Approximate	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2g
EIS voltage amplitude	0.005 V	—	—	Text Exact Reported	S3 · 4. Semiconductor Performance Testing · Fig. 2g
ZIF-8 Nyquist semicircle x-axis extent	about 16000 ohm	—	—	Visual Estimate Approximate	p005 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2g

Transient photocurrent response

Photoresponse and photoelectrochemistry

CM-coated FTO working electrode · Electrode

Photocurrent in PBS (0.1 M, pH 7.4) under xenon lamp illumination; compared CM and ZIF-8.

Geometry: CM or ZIF-8 coated FTO working electrode; Ag/AgCl reference; Pt counter electrode
Context: PVP-coated Cu-2MI composite compared with ZIF-8 benchmark
Measurement source: SI S3; main p005 · 4. Semiconductor Performance Testing · Fig. 2h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CM transient photocurrent relative to ZIF-8Marked as a best value within this paper	approximately twice that of ZIF-8	—	—	Text Approximate	p003 · 2.2 Piezoelectric properties and sonocatalytic mechanism · Fig. 2h

EIS and transient photocurrent benchmark measurements

Photoresponse and photoelectrochemistry Impedance spectroscopy

ZIF-8-coated FTO working electrode · Electrode

ZIF-8-coated FTO measured under the same electrochemical workstation conditions as CM: EIS in ferri/ferrocyanide/KCl electrolyte and photocurrent in PBS under xenon lamp illumination.

Temperature: 298
Geometry: ZIF-8 coated FTO working electrode; Ag/AgCl reference; Pt counter electrode
Context: ZIF-8 benchmark electrode for comparison with CM
Measurement source: S3 · 4. Semiconductor Performance Testing · Fig. 2g-h; Fig. S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZIF-8-DPBF absorbance peak near 420 nm after 120 s ultrasound	about 0.95 a.u.	—	visual estimate from SI plot	Visual Estimate Approximate	S13 · Supplementary figures · Fig. S10b
ZIF-8-DPBF absorbance peak near 420 nm at 0 s	about 1.15 a.u.	—	visual estimate from SI plot	Visual Estimate Approximate	S13 · Supplementary figures · Fig. S10b