Reply To: Surface recombination boundary condition in charge?

[Guilin Sun]

No. Usually the surface recombiation is set in the material property.

https://optics.ansys.com/hc/en-us/articles/360034404814-addsurfacerecombinationbc-Script-command 

I case you need to set, please unceck "apply to majority carriers" and the parameter values should be proper.

Simulation Objects - Boundary Conditions

2D silicon square grating solar cell