Figure 2.

Absorption of TiO2 electrode and emission spectra of G2 and G4. (a) Absorption spectra of pristine TiO2 electrode. TiO2 electrode doped with 5 wt.% of G2, and TiO2 electrode doped with 5 wt.% of G4. (b) Emission spectra of G2 and G4.

Hong et al. Nanoscale Research Letters 2013 8:219   doi:10.1186/1556-276X-8-219
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