No. Usually the surface recombiation is set in the material property.
https://optics.ansys.com/hc/en-us/articles/360034404814-addsurfacerecombinationbc-Script-commandÂ
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
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