Figure 2.

FT-IR spectra of silica/PAI composite with the amount of silica to PAI a 2 wt%; b 4 wt%; c 6 wt%; d 8 wt%; e 10 wt%

Ma et al. Nanoscale Research Letters 2010 5:1846-1851   doi:10.1007/s11671-010-9726-7