I'm a very interested amateur. Is there a residential scale tech besides silicon pv? I was not aware of anything, but that would be great news to me. I should

I'm a very interested amateur. Is there a residential scale tech besides silicon pv? I was not aware of anything, but that would be great news to me. I should not that I didn't say it Shockley-Quiesser was a hard cap. I said it was the theoretical limit of a p-n junction cell. I said, "hard cap is insolation".