Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC04233J, Communication Wenrui Zhang, Junlin Ma, Jianxin Zhang, Hao Mo, Hongting Ma, Hui Tian, Shen Li, Hongnv Yu, Xuhan Liu, Yan Su, Nan Zhu A flexible bismuth (Bi)-based smartsensor capable of simultaneously detecting Cd2+, Tl+, and Pb2+ is first proposed. Fabricated via template-assisted electrodeposition method, this novel sensor demonstrates excellent selectivity in distinguishing these...