Abstract
In order to obtain thick, crack-free TiO 2 film photoelectrodes, the screen-printed method was employed by using ethylene glycol and ethylene glycol monomethylether (EGME) as binder. The surface morphology of TiO 2 film observed by scanning electron microscope (SEM) is porous and coarse. SEM results also show that TiO 2 films with binder are crack-free in the microstructure. Optical absorption spectra show that films with binder have stronger ability to adsorb dye molecules than that without binder. I– V curves show that films with binder have better photoelectrochemical (PEC) property than films without binder. Moreover, EGME improves the PEC property of the sample stronger than ethylene glycol.
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