Electrical Transport — Synthesis, identification and application of metal organic framework for removal of industrial cationic dyes

3 measurement groups · 12 results

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

ZIF-7 sample for AC measurements · Unknown

sigma_ac calculated as function of temperature and frequency; 310-480 K and 50 Hz-1.2 MHz.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Maximum reported AC conductivityMarked as a best value within this paper	2.6 x 10-4 ohm-1 m-1	0.00026 S/m	—	Text Rounded Reported	13 · 3.3. AC measurements analysis · Fig. 22
Minimum reported AC conductivity	3.5 x 10-6 ohm-1 m-1	0.0000035 S/m	—	Text Rounded Reported	13 · 3.3. AC measurements analysis · Fig. 22
Visual maximum sigma_ac in Fig. 22	about 2.6 x 10-4 S m-1 at high frequency and low temperature	0.00026 S/m	visual estimate from Fig. 22; consistent with text range	Figure Axis Approximate	14 · 3.3. AC measurements analysis · Fig. 22

ZIF-7 sample for AC measurements · Unknown

Temperature range 310-480 K; frequency range 50 Hz-1.2 MHz; real and imaginary dielectric constants calculated from Cp, tan delta, A and d.

Temperature: 310-480
Geometry: Geometry not reported; equations use sample cross-sectional area A and thickness d.
Context: pristine ZIF-7
Measurement source: 13-14 · 3.3. AC measurements analysis · Fig. 21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Maximum AC measurement frequency	1.2 MHz	1200000 Hz	—	Text Exact Reported	13 · 3.3. AC measurements analysis · Fig. 21
Minimum AC measurement frequency	50 Hz	50 Hz	—	Text Exact Reported	13 · 3.3. AC measurements analysis · Fig. 21
Maximum AC dielectric measurement temperature	480 K	480 K	—	Text Exact Reported	13 · 3.3. AC measurements analysis · Fig. 21
Minimum AC dielectric measurement temperature	310 K	310 K	—	Text Exact Reported	13 · 3.3. AC measurements analysis · Fig. 21
Approximate maximum imaginary dielectric constant	epsilon_i about 24 at low frequency near 310-320 K	24	visual estimate from Fig. 21b	Visual Estimate Approximate	14 · 3.3. AC measurements analysis · Fig. 21b
Approximate maximum real dielectric constant	epsilon_r peak about 87 near 340 K at 50 Hz	87	visual estimate from Fig. 21a	Visual Estimate Approximate	14 · 3.3. AC measurements analysis · Fig. 21a

ZIF-7 sample for AC measurements · Unknown

log sigma_ac vs log omega analysed over 340-480 K and 50 Hz-1.2 MHz using sigma_ac = A*omega^S.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Approximate maximum frequency exponent S	S maximum about 0.88 at 480 K	0.88	visual estimate from Fig. 23b	Figure Axis Approximate	14 · 3.3. AC measurements analysis · Fig. 23b
Approximate minimum frequency exponent S	S minimum about 0.70 near 380 K	0.7	visual estimate from Fig. 23b	Figure Axis Approximate	14 · 3.3. AC measurements analysis · Fig. 23b
Assigned AC conduction mechanismMarked as a best value within this paper	overlapping large-polaron tunneling (OLPT) model	—	—	Text Qualitative	14 · 3.3. AC measurements analysis · Fig. 23