Stable sandwich-type electrochemical lead ions sensor based on bismuth-metal organic framework and Mxene

Saleem Ullah Saleem, Yanhua Liu, Jing Sui （Beijing Normal University）， my correct affiliation is beijing normal university, not Qingdao University of Science and Technology, please correct the current affiliation. Thank you, Geoffrey I. N. Waterhouse, Zhiming Zhang, Liang Yu