Figure 6.

UV–vis diffuse reflectance spectra of (spectrum a) pure anatase and (spectrum b) rGO-TiO2 . Inset: plot of transformed KM function [F(R).hv]1/2 vs. hv for pure anatase and rGO-TiO2.

Tan et al. Nanoscale Research Letters 2013 8:465   doi:10.1186/1556-276X-8-465
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