Fig. 1: Synthesis and characterization of ultrathin PBOC layers.

a Schematic illustration of ultrathin PBOC layers synthesis from PBCOC via desalination strategy. b PXRD of PBCOC and PBOC. c AFM image of the as-synthesized ultrathin PBOC layers.
a Schematic illustration of ultrathin PBOC layers synthesis from PBCOC via desalination strategy. b PXRD of PBCOC and PBOC. c AFM image of the as-synthesized ultrathin PBOC layers.