Research Article

Facile Preparation of Phosphotungstic Acid-Impregnated Yeast Hybrid Microspheres and Their Photocatalytic Performance for Decolorization of Azo Dye

Figure 5

FT-IR spectra of (a) pristine yeast, (b) yeast treated by H2SO4 solution, (c) HPW@yeast microspheres, and (d) HPW.
406158.fig.005a
(a)
406158.fig.005b
(b)