Semiconductor nanocomposites of emissive flexible random copolymers and CdTe nanocrystals : preparation, characterization, and optoelectronic properties

• Main Authors: Qi, Xiaoying, Pu, Kan-Yi, Fang, Chun, Wen, Gui-An, Zhang, Hua, Boey, Freddy Yin Chiang, Fan, Qu-Li, Wang, Lianhui, Huang, Wei
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2012
• Subjects: DRNTU::Engineering::Materials
• Online Access: https://hdl.handle.net/10356/93967; http://hdl.handle.net/10220/8566
• Institution: Nanyang Technological University

Synthesis and characterization of a series of new emissive flexible copolymers composed of two kinds of special side-chain functional groups is demonstrated. One of the side-chain groups provides emissive properties, while the other serves as the ligand unit. The copolymers are used to prepare a new kind of CdTe nanocrystal-based semiconductor nanocomposite. Their structures and morphologies are characterized and their optoelectronic properties are studied. The results reveal that an energy-transfer process from the emissive random copolymers to the CdTe nanocrystals occurs, while a photoinduced charge transfer is estimated to be thermodynamically forbidden.