Solar simulator cum IPCE

Solar Simulator AAA cum Bias light (set of xenon lamp with AM1.5G filter), max illumination area 2 X
2cm (0.1 to 1 sun intensity)
 Uniformity +/-2%
 Temporal stability +/-2%
Spectral mismatch +/-25%

Photovoltaic Spectrometer IPCE/EQE/IQE, 4 X 4mm or 6.5 X 6.5mm illumination area,
applications include
 Photocurrent,
 Sample retlectance,
 Sample transmittance.
 External quantum efficiency,
 Internal quantum efficiency,
 Short-circuit current density.
 Controller
 Spectral range: 200 nm – 1650 nm,
 Adjustable white light beam intensity:0.01 – 0.1 W/cm2,
 Illumination homogeneity: 10 %,
 XY table range: 20 x 20 cm,
 Sample bias range: ± 2 V.
 Monochromator 200-1650nm
 Spectral range: 200 nm – 2.4 µm (grating dependent!)
 Focal length: 200 mm
 Aperture ratio: f/4
 Number and configuration of slits: customizable
 Slit adjustment: motorized
 Maximum slit width: 5 mm
 Maximum number of gratings: 4
 Grating selection mechanism: motorized
 Dispersion: 4 nm/mm for 1200 gr/mm grating

 Wavelength setup: digital
 Internal shutter setup: digital
 External connectivity: serial port RS485
 Power supply: 230 V / 50 Hz or 120 V / 60 Hz
 Size: 260x273x120 mm (l. x w. x h.)
 Weight: about 8 kg

 Set of xenon lamp150W w Xenon lamp controller & cooling
 Nominal electric power: 150 W
 Output beam: horizontal or vertical
 Reflector type: elliptical (for convergent beam)
or parabolic (for collimated beam)
 Reflecting system efficiency: up to 70 %
 Maximal electric current: 8.5 A
 Normal working current: 7.5 A
 Current resolution: 0.1 A
 Stabilization of current: better than 0.1 %
 Stabilization of light intensity: available
 Set of halogen lamp, 150W w controller
 power output: 150 W
 digital control of light’s power
 reflector type- elliptic or parabolic
 air cooling
 power supply: 230 V

 I-V measurement system
 Current ranges: 10 nA, 100 nA, 1 µA, 10 µA, 100 µA, 1 mA, 10 mA
 Current resolution from 1 pA to 100 nA (range dependent)
 Potential range from -5V to 5V
 Probe frequency: 1 kHz
 current-voltage (IV) characteristics
 cyclic voltammetry (CV)
 chonomaperometry (CA)
 open circuit potential (OCP)
 Integrating sphere
 Integrating sphere diameter: 76.2 mm (3 in)
 Input port diameter: 13.6 mm
 Sample port diameter: 13.6 mm
 Detection port diameter: 6 mm
 Coating type: barium sulfate
 Reflectance: > 97% in 350-850 nm,
> 92% in 250-1300 nm
 Sphere multiplier: 30.5 @ 550 nm

 IPCE photodiodes detectors Si & InGaAs reference detectors, traceable to standards

 Cell contacts manual press pin type, coarse and fine movement
 Vacuum Pump to hold sample
 Sample chamber with Motorised stage, Sample chamber specification (l:75cm x w:55cm x
h:41cm; Faraday's cage with inner backlight)
 FotoGUI Software, includes
 Determination of device spectral response (SR, [A/W])
 Determination of the device's external quantum efficiency (EQE, [%]).
 Determination of total reflectance (R [%]) and transmittance (T [%]) to convert EQE to
intrinsic quantum efficiency (IQE, [%]) for cells with polished and textured surfaces.
 Source code available (user may adapt the software)
i7 computer with 24 inch screen