Sun JV

In the JV routine, a voltage sweep is applied on the device in forward and/or reverse direction. The scan can be automatically repeated at different light intensities and/or scan rates. The device can be preconditioned before starting any measurement to allow for the device to relax to a steady state.

The JV routine follows the following order of operations:

1. Start
2. Turn on illumination (if set)
3. Measure Voc (with optional precondition)
4. Start scan
5. Calculate JV parameters
6. Check next sweep parameter
7. Stop

Settings

The following settings are available for the JV routine

Scan Range

Parameter	Description	Value	Unit
Start	Start of the scan	-0.2	V
End	End of the scan	1.2	V
Step	Voltage step between points	0.02	V
Scan rate	How fast the voltages are applied	0.2	V/s
Scan order	Order of the scans	Forward then Reverse Reverse then Forward Forward Only Reverse Only
Auto Voc	Stop the scan at Voc	true
Exceed Voc	Overshoot the Voc detection	10	%

Auto Voc

When Auto Voc is enabled, the scan automatically stops once the current crosses zero. The Exceed Voc parameter defines the percentage overshoot applied beyond the detected Voc before stopping.

Precondition

Parameter	Description	Value	Unit
Voc Condition	Wait before measuring Voc	None Wait for stable Wait fixed time
Hold Initial	Hold the first point before starting the scan	1	s
Custom Initial	Set a voltage different from the scan start	false
Custom Voltage	The voltage to hold before the scan	-1

Illumination

Parameter	Description	Value	Unit
Source	Light source	None External 12 LED Fast LED LED Ring
Irradiance	Total irradiance at 100%	100	mW/cm²
Level	Output Level of the light	100	%

Parameter Sweep

The Parameter Sweep module allows automated execution of multiple measurements by varying selected parameters.

This module is shared across multiple routines.

See: Parameter Sweep Module