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Published on: August 23, 2012
Stepwise Self-Assembly of P3HT/CdSe Hybrid Nanowires with Enhanced Photoconductivity
Jingjing Xu1, Jianchen Hu, Xinfeng Liu
1National Center for Nanoscience and Technology, China, Beijing 100190, P. R. China; Graduate School of Chinese Academy of Sciences, Beijing, 100039, P. R. China.
Abstract:
A facile approach to prepare poly(3-hexylthiophene) (P3HT)/cadmium selenide quantum dot (CdSe QD) hybrid coaxial nanowires by a stepwise self-assembly process is reported. P3HT nanowires of ≈20 nm diameter are first prepared by self-assembly in a poor solvent such as cyclohexanone, and then as-prepared CdSe QDs are deposited compactly onto the P3HT nanowires by non-covalent interactions between P3HT and CdSe. When illuminated with white light, the hybrid nanowires show enhanced photoconductivity compared with the pristine P3HT nanowires and the blended nanocomposites.
