In this Paper, we have developed1 a low temperature process to make two type of Paste by using TIO2 nanoprticles(P25). The interconnections between substrate and TiO2 films or link between particles of free-binder Paste (FP1, FPZ, FP3) is very poor. Therefore, the Titanium(IV) isopropoxide was added to the TP paste to improve the interconnection. Electron transport time (Tt) and recombination time (Tr) are analyzed by IMPS (intensity-modulated photocurrent spectroscopy) and INIVS (Intensity-modulated photovltage spectroscopy). In the results, Tt of TP paste based DSSCs (about 4.3×10-3) is faster than other samples. Tt is Ionger from 2.7×10-2 s of FP2 to 3.0×10-2 s of TP. A solar conversion efficiency (DSSCs) of TP 15 3.54% for an incident solar energy of 100 mw cm-2(meanwhile, 2. 70% for DSSCs With FP2). The c아1versioIl efficiency is increased by 1.3 times.
