Fig. 2

PXRD patterns. a I (calc) with Miller indices, b I, c K12[Bi(H2O)P5W30O110]·26H2O, and d the composite of POM with allylamine monomer

PXRD patterns. a I (calc) with Miller indices, b I, c K12[Bi(H2O)P5W30O110]·26H2O, and d the composite of POM with allylamine monomer