Electrical Transport — An optoelectronic synapse based on Cu-BHT MOF for multi-wavelength optical logic gates and neuromorphic vision system

6 measurement groups · 23 results

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

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

Ten consecutive 445 nm light pulses at 0.1 V bias; frequency 1 Hz, power 16.04 W/cm2, pulse width 500 ms for Fig. 2c.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EPSC measurement bias	0.1 V	0.1 V	—	Caption Exact Reported	p003 / 3 · Figure caption · Fig. 2c
EPSC 445 nm light power	16.04 W/cm2	16.04 W/cm2	—	Caption Exact Reported	p003 / 3 · Figure caption · Fig. 2c

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

Ag/Cu-BHT/Ag device measured with Keithley 2636B; I-V curves in dark and under 445 or 520 nm laser illumination.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Approximate I-V current at +1 V	approximately 1000 nA at +1 V	1 uA	visual figure read	Visual Estimate Approximate	p004 / SI p4 · Supplementary figures · Fig. S6
I-V contact behaviour	ohmic contact confirmed	—	—	Text Qualitative	p004 / 4 · Results and discussion · Fig. S6

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

445 nm and 520 nm light-pulse inputs; DeltaEPSC output thresholds of 1.5 uA for AND/OR and 1 uA for Pavlovian salivation response.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
AND optical-logic input condition	445 nm and 520 nm simultaneously; 500 ms; 8.75 W/cm2	8.75 W/cm2	—	Text Exact Reported	p007 / 7 · Results and discussion · Fig. 5b
AND/OR logic DeltaEPSC threshold	1.5 uA	1.5 uA	—	Text Exact Reported	p007 / 7 · Results and discussion · Fig. 5a-c
OR optical-logic input intensity	11.25 W/cm2	11.25 W/cm2	—	Text Exact Reported	p007 / 7 · Results and discussion · Fig. 5c
Bell/conditioned stimulus conditions	520 nm, 6 pulses, 500 ms, 9.75 W/cm2, 1 Hz	9.75 W/cm2	—	Caption Exact Reported	p006 / 6 · Figure caption · Fig. 5d
Food/unconditioned stimulus conditions	445 nm, 6 pulses, 500 ms, 8.75 W/cm2, 1 Hz	8.75 W/cm2	—	Caption Exact Reported	p006 / 6 · Figure caption · Fig. 5d
Pavlovian salivation DeltaEPSC threshold	1 uA	1 uA	—	Text Exact Reported	p007 / 7 · Results and discussion · Fig. 5d

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

SNDP, SWDP, SRDP and SIDP measured by varying pulse number, pulse width, pulse frequency or light intensity under optical stimulation.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SIDP maximum DeltaEPSC rangeMarked as a best value within this paper	0.33 uA to 2.02 uA as light intensity varied from 2.64 to 17.27 W/cm2	—	—	Text Range	p005 / 5 · Results and discussion · Fig. 3f
SNDP ratio range with pulse number	128.2% to 136.4% for 6 to 26 pulses	—	—	Text Range	p005 / 5 · Results and discussion · Fig. S7a
SRDP maximum DeltaEPSC rangeMarked as a best value within this paper	2.09 uA to 3.04 uA as frequency increased from 0.5 Hz to 3.3 Hz	—	—	Text Range	p005 / 5 · Results and discussion · Fig. 3e
SRDP ratio range	125.68% to 183.25%	—	—	Text Range	p005 / 5 · Results and discussion · Fig. S7c
SWDP maximum DeltaEPSC rangeMarked as a best value within this paper	2.10 uA to 3.14 uA as pulse width increased from 300 ms to 800 ms	—	—	Text Range	p005 / 5 · Results and discussion · Fig. 3d

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

Pair of 445 nm pulses, 0.1 s interval, 500 ms pulse width, 20.03 W/cm2 light intensity; PPF index varied with pulse interval 0.1-9 s.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
First-pulse DeltaEPSC amplitude A1	A1 = 1.975 uA	1.975 uA	—	Text Exact Reported	p005 / 5 · Results and discussion · Fig. 3a
Second-pulse DeltaEPSC amplitude A2Marked as a best value within this paper	A2 = 2.365 uA	2.365 uA	—	Text Exact Reported	p004 / 4 · Results and discussion · Fig. 3a
PPF index at 0.1 s intervalMarked as a best value within this paper	119.75%	1.1975 fraction	—	Text Exact Reported	p005 / 5 · Results and discussion · Fig. 3b
PPF relaxation time tau1	0.57 s	0.57 s	—	Text Exact Reported	p005 / 5 · Results and discussion · Eq. 2
PPF relaxation time tau2	3.0 s	3 s	—	Text Exact Reported	p005 / 5 · Results and discussion · Eq. 2

Ag/Cu-BHT/Ag planar optoelectronic synaptic device · Electrode

Single-pulse response repeated 30 times; ambient storage for 60 days; 405 and 520 nm pulse tests at 0.1 V, 1 Hz, 500 ms.

Atmosphere: ambient
Geometry: planar Ag/Cu-BHT/Ag
Context: pristine Cu-BHT film device
Measurement source: p005-p006 / SI p5-p6 · Supplementary figures · Fig. S8; Fig. S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Operational light-stimulus wavelengths	405 nm, 445 nm and 520 nm	—	—	Text Exact Reported	p007 / 7 · Conclusion · Fig. S9
Performance retained after ambient storage	93.8% after 60 days	0.938 fraction	—	Text Exact Reported	p005 / 5 · Results and discussion · Fig. S8b
Repeated single-pulse stability	consistent over 30 cycles	30 cycles	—	Text Exact Reported	p005 / 5 · Results and discussion · Fig. S8a