Figure 4

SEM micrographs of bottom surfaces of Crosslinked PAN support (a–c), 4A-TPC@Crosslinked PAN membrane (d–f) and 4A-3P-TPC@Crosslinked PAN membrane (g–i) at different magnifications.

SEM micrographs of bottom surfaces of Crosslinked PAN support (a–c), 4A-TPC@Crosslinked PAN membrane (d–f) and 4A-3P-TPC@Crosslinked PAN membrane (g–i) at different magnifications.