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  • Title: Synthesis of poly(3-hexylthiophene) grafted TiO2 nanotube composite.
    Author: Lu MD, Yang SM.
    Journal: J Colloid Interface Sci; 2009 May 01; 333(1):128-34. PubMed ID: 19246046.
    Abstract:
    A composite of poly(3-hexylthiophene) (P3HT) grafted on TiO(2) nanotubes was synthesized. It was characterized using XRD, TEM, TGA, FTIR and XPS. Cyclic voltammetry (CV) was used to elucidate the electrochemical behavior and evaluate the HOMO and LUMO energy levels. Photoluminescence (PL) measurements show that the emission intensity of P3HT mixed with TiO(2) nanotubes was one third of that of random P3HT, while that of P3HT grafted onto TiO(2) nanotubes was 10% of random P3HT. The results show that the P3HT grafted onto TiO(2) nanotubes is more efficient in photoinduced charge transfer than a physical mixture of P3HT and TiO(2) nanotubes, indicating this composite has potential for the fabricating hybrid organic-inorganic solid state solar cells.
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