Fig. 9

(a) UV absorption spectra for DMF-MBI, (b) Band gap for DMF-MBI, (c) UV absorption spectra for DMSO-MBI, (d) Band gap for DMSO-MBI thin film on FTO substrate.

(a) UV absorption spectra for DMF-MBI, (b) Band gap for DMF-MBI, (c) UV absorption spectra for DMSO-MBI, (d) Band gap for DMSO-MBI thin film on FTO substrate.