Ndị na-eme nchọpụta nke Mahadum North Carolina na Chapel Hill na-eduzi emepụtala nnukwu mpaghara perovskite-silicon tandem cell cell. Ha na-ekwu na iz nwere ike nweta nrụpụta ngbanwe ike steeti kwụ ọtọ nke 25.1%. Ha kwuru na ha gbalịrị imeri shunting, nke bụ ihe a na-ahụkarị mgbe ị na-ebuli teknụzụ anyanwụ nke perovskite site na obere sel na ngwaọrụ mpaghara.