crossrefEnergy and AI2026-07-01Cross-Laboratory Generalization Failure in Perovskite Solar Cell Machine Learning: A Diagnostic Protocol and Evaluation ThresholdMinseong Kim, Jinho Lee, Hye W. Chun, Eun Seo Shin, Hyosung Choi, Dong-Won Kang, et al.Source pageCiteBibTeXAPAMLAChicagoIEEEVancouver