Sensing Application — 2D Metal–Organic Framework Cu3(HHTT)2 Films for Broadband Photodetectors from Ultraviolet to Mid-Infrared

4 measurement groups · 15 results

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

Flexible photodetector bending stability

Photoresponse and photoelectrochemistry

Flexible Cu3(HHTT)2 photodetector on PI · Thin Film

Photocurrent measured after bending against 8 mm radius for 600 cycles and then 5 mm radius for another 600 cycles.

Temperature: room temperature
Atmosphere: N2 glovebox
Geometry: Cu3(HHTT)2 on 50 um PI with Cr/Au electrodes
Context: pristine Cu3(HHTT)2 flexible device
Measurement source: p006-p007 · Results and Discussion · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Photocurrent after additional 600 cycles at 5 mm	only slight decrease after additional 600 times of bending with 5 mm radius	—	Error bars calculated from four devices	Text Qualitative	p006-p007 · Results and Discussion · Figure 4c
Photocurrent after 600 bending cycles at 8 mmMarked as a best value within this paper	photoresponses remain unchanged after 600 times of bending with 8 mm radius	—	Error bars calculated from four devices	Text Qualitative	p006-p007 · Results and Discussion · Figure 4c

Optical synapse response and ANN simulation

Optimised 12-cycle Cu3(HHTT)2 film on SiO2/Si · Thin Film

Synaptic photocurrent under 685 nm optical pulses; LTP/LTD used for three-layer ANN simulation with 256 x 512 x 9 network for Sandia file classification.

Temperature: room temperature
Atmosphere: N2 glovebox for device measurement; ANN simulated with CrossSim
Geometry: Cu3(HHTT)2 thin-film optical synapse
Context: pristine Cu3(HHTT)2 optical synapse
Measurement source: p007-p008 · Results and Discussion · Figure 5; Figure S18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ANN data-type classification accuracy after 40 epochsMarked as a best value within this paper	92.1% after 40 training epochs	—	—	Text Exact Reported	p008 · Results and Discussion · Figure 5f
ANN data-type classification accuracy after seven epochs	over 90% with seven training epochs	—	—	Text Approximate	p008 · Results and Discussion · Figure 5f
LTP/LTD on/off pulse timings	8 s/2 s and 2 s/8 s used to mimic LTP and LTD	—	—	Caption Exact Reported	p007 · Figure caption · Figure 5d
Optical synapse pulse condition for STP	685 nm, 840 uW cm-2	—	—	Caption Exact Reported	p007 · Results and Discussion · Figure 5b

Photodetector photoresponse and responsivity

Photoresponse and photoelectrochemistry

Optimised 12-cycle Cu3(HHTT)2 film on SiO2/Si · Thin Film

Optimised approximately 130 nm device measured in N2 glovebox under LED light sources from 370 to 3400 nm; intensity about 200 uW cm-2 for spectral response.

Temperature: room temperature
Atmosphere: N2 glovebox
Geometry: Cr/Au electrodes; channel length 5 um; channel width 800 um
Context: pristine Cu3(HHTT)2 photodetector
Measurement source: p005-p006 · Results and Discussion · Figure 3c,d; Figure S14; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Maximum responsivityMarked as a best value within this paper	3.2 mA W-1 under 685 nm illumination	—	—	Text Exact Reported	p005 · Results and Discussion · Figure 3c
Broadband spectral response rangeMarked as a best value within this paper	370-3400 nm	—	—	SI Table Exact Reported	p007 · Tables · Table S3
Approximate responsivity at 3400 nm	approximately 0.18 mA W-1 at 3400 nm from Figure 3d	—	—	Figure Axis Approximate	p006 · Results and Discussion · Figure 3d

Transient photodetector response

Photoresponse and photoelectrochemistry

Optimised 12-cycle Cu3(HHTT)2 film on SiO2/Si · Thin Film

Transient response under LED and laser on-off illumination; decay fitted with double exponential function.

Temperature: room temperature
Atmosphere: N2 glovebox
Geometry: Cr/Au electrodes; channel length 5 um; channel width 800 um
Context: pristine Cu3(HHTT)2 photodetector
Measurement source: p006 · Results and Discussion · Figure 3e; Figure S15; Figure S16

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Laser transient decay timeMarked as a best value within this paper	t_d = 11.8 s under 650 nm, 83.5 mW cm-2 laser	—	—	Visual Estimate Approximate	p018 · Figures · Figure S16b
Laser transient rise timeMarked as a best value within this paper	t_r = 4.3 s under 650 nm, 83.5 mW cm-2 laser	—	—	Visual Estimate Approximate	p018 · Figures · Figure S16b
LED transient decay time	t_d = 128.8 s under 685 nm, 840 uW cm-2 LED	—	—	Visual Estimate Approximate	p018 · Figures · Figure S16a
LED transient rise time	t_r = 54.2 s under 685 nm, 840 uW cm-2 LED	—	—	Visual Estimate Approximate	p018 · Figures · Figure S16a
Fast relaxation time from double-exponential decay	tau_d1 = 0.662 s	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S16d
Slow relaxation time from double-exponential decay	tau_d2 = 7.25 s	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S16d