Abstract
A novel hybrid solar cell fabricated from TiO2 and in situ polymerized poly (thienylene methane) (PTBBQ) onto the surface of TiO2 was described. 1HNMR, FTIR, UV–Vis absorption, thermal and electrochemical properties of PTBBQ were investigated, and the surface morphology of TiO2/in situ polymerized PTBBQ film was studied via AFM contact mode. Device I/V characterizations with and without in situ polymerized PTBBQ were measured. Efficiency improvements were observed in the in situ polymerized PTBBQ/TiO2 system, and such device showed a short-circuit current density of 1.15 mA/cm2, an open-circuit voltage of 0.50 V, a fill factor of 0.50, and a energy conversion efficiency of 0.29% at A.M. 1.5 solar illumination (100 mW/cm2).
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