Sensing Application — Boosting the Optoelectronic Performance by Regulating Exciton Behaviors in a Porous Semiconductive Metal-Organic Framework

Measurement evidence

Sensing Application

Boosting the Optoelectronic Performance by Regulating Exciton Behaviors in a Porous Semiconductive Metal-Organic Framework · Liang C., Cheng L., Zhang S. et al. · Journal of the American Chemical Society · 2022 · 2189-2196

8 measurement groups · 10 results

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

Signal-to-noise on/off ratio versus dose rate

RhB+@TbTATAB pelleted wafer detector · Pellet

Detection limit defined by IUPAC as equivalent dose rate when signal current is 3 times greater than noise; measured at 10 V bias.

Geometry
Ag/RhB+@TbTATAB/Ag pellet detector
Context
Target detector.
Measurement source
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Detection limit of RhB+@TbTATAB X-ray detectorMarked as a best value within this paper4.42 uGyair s-1 at 10 VText
Exact Reported
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5d

Temporal photocurrent response under X-ray exposure

mechanical mixture pelleted wafer detector · Pellet

X-ray exposure 17.52 mGyair s-1; 10 V bias.

Geometry
Ag/mechanical-mixture/Ag pellet
Context
Physical mixture control.
Measurement source
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Photocurrent on/off ratio of mechanical mixture detectorOn/Off = 1.1 (figure label)Figure Axis
Rounded Reported
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a

Temporal photocurrent response under X-ray exposure

RhB+@TbTATAB pelleted wafer detector · Pellet

X-ray exposure 17.52 mGyair s-1; 10 V bias for on/off ratio.

Geometry
Ag/RhB+@TbTATAB/Ag pellet
Context
Target detector compared against parent and mechanical mixture controls.
Measurement source
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Photocurrent on/off ratio of RhB+@TbTATAB detectorMarked as a best value within this paper79.5Text
Exact Reported
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a

Temporal photocurrent response under X-ray exposure

TbTATAB pelleted wafer detector · Pellet

X-ray exposure 17.52 mGyair s-1; 10 V bias for on/off ratio.

Geometry
Ag/TbTATAB/Ag pellet
Context
Pristine parent detector control.
Measurement source
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Photocurrent on/off ratio of TbTATAB detector1.2Text
Exact Reported
p005 / article p2193 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5a

X-ray-generated photocurrent versus X-ray dose rate

RhB+@TbTATAB pelleted wafer detector · Pellet

Sensitivity S = dJ/dD; measurements at 50 V and optimised at 100 V.

Geometry
Ag/RhB+@TbTATAB/Ag pellet detector
Context
Target detector.
Measurement source
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5c; Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
X-ray sensitivity of RhB+@TbTATAB detector at 50 V39.0 uC Gyair-1 cm-2 at 50 VText
Exact Reported
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5c
Optimised X-ray sensitivity of RhB+@TbTATAB detectorMarked as a best value within this paper51.9 uC Gyair-1 cm-2Text
Exact Reported
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5c; Table S2

X-ray-generated photocurrent versus X-ray dose rate

TbTATAB pelleted wafer detector · Pellet

Same test conditions as RhB+@TbTATAB at 50 V.

Geometry
Ag/TbTATAB/Ag pellet detector
Context
Pristine parent detector control.
Measurement source
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
X-ray sensitivity of TbTATAB detector at 50 V0.88 uC Gyair-1 cm-2Text
Exact Reported
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure 5c

Photocurrent stability under accumulated X-ray dose

RhB+@TbTATAB pelleted wafer detector · Pellet

Exposed to highest dose rate under working conditions without encapsulation; accumulated dose to 94.8 Gyair.

Atmosphere
no encapsulation
Geometry
pellet detector
Context
Target detector.
Measurement source
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure S29
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Accumulated dose for stability test94.8 GyairText
Exact Reported
p006 / article p2194 · Modified Photoconductivity and X-ray Photoelectric Performance · Figure S29

Benchmark table of X-ray detector sensitivity and mobility-lifetime product

RhB+@TbTATAB pelleted wafer detector · Pellet

Table S2 compares this work against perovskite, MOF, and commercial X-ray detector literature.

Context
Target detector benchmark.
Measurement source
p017-p018 / SI S15-S16 · Supplementary Tables · Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Table S2 mobility-lifetime product for RhB+@TbTATABMarked as a best value within this paper1.12 x 10-3 cm2 V-1SI Table
Exact Reported
p017 / SI S15 · Supplementary Tables · Table S2
Table S2 sensitivity for RhB+@TbTATABMarked as a best value within this paper51.9 uC Gyair-1 cm-2SI Table
Exact Reported
p017 / SI S15 · Supplementary Tables · Table S2