Thermoelectric — Thin film thermoelectric metal-organic framework with high seebeck coefficient and low thermal conductivity

4 measurement groups · 12 results

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

Power factor calculated from Seebeck coefficient and electrical conductivity

Electrical conductivity Seebeck and thermopower measurements

TCNQ-infiltrated Cu3(BTC)2 thin-film region A on quartz · Thin Film

Power factor p = S^2 sigma evaluated over the 10-40 deg C temperature range.

Temperature: 283-313 K
Geometry: Thin-film Au-pad device
Context: Guest-loaded conducting region
Measurement source: main p.4, article p.3456 · Figure 2 caption · Figure 2f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Power factor over plotted temperature range	about 0.034-0.104 uW m-2 K-1 over about 283-313 K from Figure 2f	—	—	Figure Axis Range	main p.4, article p.3456 · Figure 2 · Figure 2f
Power factor at room temperatureMarked as a best value within this paper	0.057 uW m-2 K-1 at room temperature	—	—	Text Rounded Reported	main p.2, article p.3454 · Results · Figure 2f

Seebeck coefficient from thermovoltage versus temperature difference

Seebeck and thermopower measurements

TCNQ-infiltrated Cu3(BTC)2 thin-film region A on quartz · Thin Film

Two Peltier heaters/coolers established a thermal gradient; local temperature measured by IR camera; thermovoltage measured by voltage meter.

Temperature: about 283-313 K; thermovoltage plot at average temperature 40 deg C
Geometry: Thin-film device on quartz with Au pads; temperature collected 200 um above and below Au pads
Context: Guest-loaded conducting region
Measurement source: main p.6, article p.3458 · Electrical and Thermoelectric Measurements · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Majority carrier type	holes are the majority carrier type	—	—	Qualitative Qualitative	main p.2, article p.3454 · Results · Figure 2d
Seebeck coefficient at room temperatureMarked as a best value within this paper	375 uV K-1 at room temperature	—	—	Text Rounded Reported	main p.2, article p.3454 · Results · Figure 2d
Seebeck coefficient over plotted temperature range	about 320-440 uV K-1 over about 283-313 K from Figure 2d	—	—	Figure Axis Range	main p.4, article p.3456 · Figure 2 · Figure 2d

Time-dependent thermoreflectance (TDTR)

Thermal transport measurements

TCNQ@Cu3(BTC)2 TDTR film on p-Si/SiO2 · Thin Film

TDTR with 80 MHz Ti:Sapphire oscillator, pump modulation at 1.034 MHz and 8.8 MHz; Al transducer dots; model accounts for Al, TCNQ@Cu3(BTC)2, SiO2 and Si.

Temperature: about 283-313 K
Geometry: 200 nm TCNQ@Cu3(BTC)2 on p-Si/100 nm SiO2 with 220 nm Al transducer dots
Context: Guest-loaded target sample
Measurement source: SI pp.3-5 · TDTR measurements of thermal conductivity and heat capacity · Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Al TDTR transducer thickness	220 nm	—	—	Text Rounded Reported	SI p.4 · TDTR measurements of thermal conductivity and heat capacity
Volumetric heat capacity of TCNQ@Cu3(BTC)2 filmMarked as a best value within this paper	C_MOF = 1.20 +/- 0.13 MJ m-3 K-1	—	+/- 0.13 MJ m-3 K-1	Text Rounded Reported	SI p.5 · TDTR measurements of thermal conductivity and heat capacity
TDTR probe spot 1/e2 radius	11 um	—	—	Text Exact Reported	SI p.3 · TDTR measurements of thermal conductivity and heat capacity
TDTR pump spot 1/e2 radius	27.5 um	—	—	Text Exact Reported	SI p.3 · TDTR measurements of thermal conductivity and heat capacity
Room-temperature thermal conductivityMarked as a best value within this paper	0.27 +/- 0.04 W m-1 K-1	—	+/- 0.04 W m-1 K-1	Text Rounded Reported	main p.3, article p.3455 · Results · Figure 4a

ZT calculated from measured S, sigma and kappa using ZT = S^2 sigma T / kappa

TCNQ-infiltrated Cu3(BTC)2 thin-film region A on quartz · Thin Film

Experimental S and sigma from quartz device combined with measured thermal conductivity.

Temperature: 298 and 313 K
Geometry: Calculated for TCNQ@Cu3(BTC)2 film
Context: Guest-loaded target sample
Measurement source: main p.4, article p.3456 · Results · Figure 5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZT at 298 KMarked as a best value within this paper	ZT about 7 x 10^-5 at 298 K	—	—	Text Approximate	main p.4, article p.3456 · Results · Figure 5
ZT at 313 KMarked as a best value within this paper	ZT about 1.5 x 10^-4 at 313 K	—	—	Text Approximate	main p.4, article p.3456 · Results · Figure 5