SOLUTIONS FOR PHOTOVOLTAIC MATERIALS · SOLUTIONS FOR PHOTOVOLTAIC MATERIALS (eV) ADVANTAGES...
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SOLUTIONS FOR PHOTOVOLTAIC MATERIALS ADVANTAGES ABSOLUTE PHOTOMETRIC CALIBRATION (PL/EL) SIMULTANEOUS ACQUISITION OF SPATIAL AND SPECTRAL PROPERTIES FAST ACQUISITION © 2013 Photon etc. Inc. All rights reserved. www.photonetc.com 5795 DE GASPE AVENUE, #222 MONTREAL, QUEBEC, H2S 2X3 CANADA IMA™ Microscopy Hyperspectral Imaging Down to micrometric resolution Lateral carriers transport evaluation Illumination similar to operational conditions for PV Spatial uniformity investigation Quasi-Fermi level splitting measurement Open circuit voltage (V OC ) map External quantum efficiency (EQE) map Defect formation and propagation monitoring LLTF Contrast™ Tunable Laser Source 400-1300 nm Pulsed laser source in the visible Lifetime measurements (QC) Local IV measurement at micron scale Spectrally resolved Light Beam Induced Current (LBIC) Graph images courtesy of A. Delamarre, L. Lombez, J.F. Guillemoles at IRDEP, France. Solar Panels Image courtesy of Jeremy Levine Design. 400 600 800 1000 2500 (nm) Quasi-Fermi level splitting obtained from EL intensity of CIGS microcell 140 0,83 0,82 0,81 0,80 0,79 Absolute PL spectra obtained from 3 different spatial locations on CIGS solar cells absorbers WAVELENGTH (nm) 0,9 Photoluminescence photons/m 2 .J.s) 1,0 1,1 1,2 1,3 10 39 10 38 10 37 B C x (μm) 0 25 50 75 125 y (μm) 150 125 100 25 0,70 0,60 0,72 0,75 0,69 0,73 Δμ eff (eV) Local excitation; global PL detection on III-V semiconductors 120 100 80 60 40 20 20 40 60 80 100 120 180 y (μm) 140 140 160 x (μm) Δμ eff (eV) A 0,68 0,66 0,65 0,63 0,61 100 0 175 50 75
Transcript of SOLUTIONS FOR PHOTOVOLTAIC MATERIALS · SOLUTIONS FOR PHOTOVOLTAIC MATERIALS (eV) ADVANTAGES...
SOLUTIONS FOR PHOTOVOLTAIC MATERIALS
ADVANTAGESABSOLUTE PHOTOMETRIC CALIBRATION (PL/EL)
SIMULTANEOUS ACQUISITION OF SPATIAL AND SPECTRAL PROPERTIES
FAST ACQUISITION
© 2013 Photon etc. Inc. All rights reserved.www.photonetc.com
5795 DE GASPE AVENUE, #222
MONTREAL, QUEBEC, H2S 2X3
CANADA
IMA™Microscopy Hyperspectral Imaging
Down to micrometric resolution
Lateral carriers transport evaluation
Illumination similar to operational conditions for PV
Spatial uniformity investigation
Quasi-Fermi level splitting measurement
Open circuit voltage (VOC) map
External quantum efficiency (EQE) map
Defect formation and propagation monitoring
LLTF Contrast™Tunable Laser Source 400-1300 nm
Pulsed laser source in the visible
Lifetime measurements (QC)
Local IV measurement at micron scale
Spectrally resolved Light Beam Induced
Current (LBIC)Graph images courtesy of A. Delamarre, L. Lombez,
J.F. Guillemoles at IRDEP, France.
Solar Panels Image courtesy of Jeremy Levine Design.
400 600 800 1000 2500 (nm)
Quasi-Fermi level splitting obtained from EL intensityof CIGS microcell
1400,83
0,82
0,81
0,80
0,79
Absolute PL spectra obtained from 3 different spatiallocations on CIGS solar cells absorbers
WAVELENGTH (nm)
0,9
Pho
tolu
min
esce
nce
phot
ons/
m2 .
J.s)
1,0 1,1 1,2 1,3
1039
1038
1037
BC
x (μm)
0
25
50
75
125
y (μ
m)
15012510025
0,70
0,60
0,72
0,75
0,69
0,73
Δμ e�
(eV
)
Local excitation; global PL detection on III-V semiconductors
120
100
80
60
40
20
20 40 60 80 100 120 180
y (μ
m)
140
140 160
x (μm)
Δμ e�
(eV
)
A
0,68
0,66
0,65
0,63
0,61
100
0 17550 75
