SLIDE 1
PVMD
Delft University of Technology
Learning objectives
- Characterising optical properties
PVMD Delft University of Technology Learning objectives - - PowerPoint PPT Presentation
PVMD Delft University of Technology Learning objectives - - PowerPoint PPT Presentation
Reflectance and Transmittance measurements Ren van Swaaij PVMD Delft University of Technology Learning objectives Characterising optical properties Learning objectives Characterising optical properties Typical measurement setup
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SLIDE 3
Learning objectives
- Characterising optical properties
- Typical measurement setup
SLIDE 4
Learning objectives
- Characterising optical properties
- Typical measurement setup
- Integrating sphere setup
SLIDE 5
Optical characterisation
Solar cell
SLIDE 6
Optical characterisation
Solar cell
R
SLIDE 7
Optical characterisation
Solar cell
R
SLIDE 8
Optical characterisation
Solar cell
R A
SLIDE 9
Optical characterisation
Solar cell
R A T
SLIDE 10
Optical characterisation
Solar cell
R A T
SLIDE 11
Optical characterisation
Solar cell
R A
Metal back contact
SLIDE 12
Measurement setup
- Many optical elements!
Source figure: PerkinElmer 2017
SLIDE 13
Measurement setup
- Many optical elements!
- Tungsten-halogen and
Deuterium lamp
- 175 – 3300 nm range
Source figure: PerkinElmer 2017
SLIDE 14
Measurement setup
- Many optical elements!
- Tungsten-halogen and
Deuterium lamp
- 175 – 3300 nm range
- Precise monochromator
Source figure: PerkinElmer 2017
SLIDE 15
Reflectance setup
Sample Reference Detectors Sample beam
- Integrating sphere
SLIDE 16
Reflectance setup
Sample Reference Detectors Sample beam
- Integrating sphere
- Spectralon
Source figure: labsphere 2017
SLIDE 17
Reflectance setup
Sample Reference Detectors Sample beam
- Integrating sphere
- Spectralon
- Two detectors
SLIDE 18
Reflectance setup
Sample Reference Sample beam Port plug
- Integrating sphere
- Spectralon
- Two detectors
- Port plug
SLIDE 19
Reflectance setup
Sample Reference Sample beam
- Integrating sphere
- Spectralon
- Two detectors
- Port plug
Port plug
SLIDE 20
Reflectance setup
Sample Reference Sample beam
- Integrating sphere
- Spectralon
- Two detectors
- Port plug
- Sample at an angle
Port plug
SLIDE 21
Reflectance setup
Sample Reference Sample beam Reference beam
- Integrating sphere
- Spectralon
- Two detectors
- Port plug
- Sample at an angle
- Reference beam
Port plug
SLIDE 22
IQE and spectral reflectance
Courtesy: G. Yang
SLIDE 23
IQE and spectral reflectance
100 80 60 40 20
Reflectance [%]
Courtesy: G. Yang
SLIDE 24
IQE and spectral reflectance
100 80 60 40 20
Reflectance [%]
Courtesy: G. Yang
SLIDE 25
IQE and spectral reflectance
100 80 60 40 20
Reflectance [%]
Courtesy: G. Yang
SLIDE 26
IQE and spectral reflectance
100 80 60 40 20
Reflectance [%]
, IQE
Courtesy: G. Yang
SLIDE 27
IQE and spectral reflectance
100 80 60 40 20
Reflectance [%]
, IQE
Courtesy: G. Yang
SLIDE 28
Transmittance setup
Reference Sample beam Sample
- Sample placed at beam
- pening
SLIDE 29
Transmittance setup
Reference Sample beam Sample Spectralon
- Sample placed at beam
- pening
- Spectralon at reflectance
port
SLIDE 30
Transmittance setup
Reference Sample beam Reference beam Sample
- Sample placed at beam
- pening
- Spectralon at reflectance
port
- Reference beam
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Summary
- Reflectance and transmittance are measured, absorptance is
calculated
SLIDE 33
Summary
- Reflectance and transmittance are measured, absorptance is
calculated
- Reflectance spectrum used to obtain IQE
SLIDE 34
Summary
- Reflectance and transmittance are measured, absorptance is
calculated
- Reflectance spectrum used to obtain IQE
- Integrating sphere with Spectralon as perfect scattering