Figure 5.

FT-IR spectra of pure PVP and Ag/PVP with different MWs. (a) MW = 8,000. (b) MW = 29,000. (c) MW = 40,000. (d) MW = 1,300,000.

Song et al. Nanoscale Research Letters 2014 9:17   doi:10.1186/1556-276X-9-17
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