Electrical Transport — Regulating Crystallization and Lead Leakage of Perovskite Solar Cell Via Novel Polyoxometalate-Based Metal–Organic Framework

Measurement evidence

Electrical Transport

Regulating Crystallization and Lead Leakage of Perovskite Solar Cell Via Novel Polyoxometalate-Based Metal–Organic Framework · Dong Y., Zhang J., Wang W. et al. · Small · 2023 · 2301824

4 measurement groups · 17 results

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

AFM/KPFM under visible-light irradiation

POMOF heated at 300 degC · Powder

POMOF morphology and surface-potential distribution after 10 min visible-light illumination.

Context
pristine POMOF
Measurement source
p002-p003 · 2.1 Structure and Properties of POMOF · Figure 1b-d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
KPFM potential change after illumination45 mV after visible-light illumination for 10 minText
Rounded Reported
p002 · 2.1 Structure and Properties of POMOF · Figure 1c,d
AFM particle sizeabout 290 nmText
Approximate
p002 · 2.1 Structure and Properties of POMOF · Figure 1b

SCLC dark J-V, electron-only device

POMOF-functionalised perovskite film · Thin Film

Trap-filled-limited voltage and trap density; electron-only FTO/TiO2/perovskite/PCBM/Ag.

Atmosphere
dark
Geometry
FTO/TiO2/perovskite/PCBM/Ag
Context
composite film vs pristine control
Measurement source
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
trap density electron-only, control film1.56 x 10^16 cm-3Text
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4a
trap density electron-only, POMOF film1.14 x 10^16 cm-3Text
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4a
VTFL electron-only, control film0.83 VText
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4a
VTFL electron-only, POMOF film0.61 VText
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4a

SCLC dark J-V, hole-only device

POMOF-functionalised perovskite film · Thin Film

Trap-filled-limited voltage and trap density; hole-only FTO/PEDOT:PSS/perovskite/Spiro-OMeTAD/Au.

Atmosphere
dark
Geometry
FTO/PEDOT:PSS/perovskite/Spiro-OMeTAD/Au
Context
composite film vs pristine control
Measurement source
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
trap density hole-only, control film1.52 x 10^16 cm-3Text
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4b
trap density hole-only, POMOF film1.19 x 10^16 cm-3Text
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4b
VTFL hole-only, control film0.81 VText
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4b
VTFL hole-only, POMOF film0.64 VText
Exact Reported
p006 · 2.4 Effect of POMOF on Charge Transport Dynamics · Figure 4b

SEM, AFM, KPFM and C-AFM

POMOF-functionalised perovskite film · Thin Film

Top-view SEM/AFM and KPFM/C-AFM compare control and POMOF-functionalised perovskite films.

Context
composite film vs pristine control
Measurement source
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure 3; Figures S13-S15
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C-AFM conductivity comparisonPOMOF-functionalised perovskite film exhibits much higher conductivity than controlText
Qualitative
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure S15
average grain size, control261 nmText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure 3g; Figure S13
average grain size, POMOF film375 nmText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure 3i; Figure S13
surface contact potential, control-701 mVText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure 3h,j
surface contact potential, POMOF film-782 mVText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure 3h,j
RMS roughness, control15.7 nmText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure S14
RMS roughness, POMOF film20.5 nmText
Exact Reported
p005 · 2.3 Regulation of Perovskite Crystallization With POMOF · Figure S14