Abstract
We report the preparation of highly charged nanocomposites comprised of water-soluble, anionic fullerene and cationic poly-phenylenevinylene (PPV) derivatives. The nanocomposites display high fluorescence quenching efficiency (99%) presumably due to enhanced miscibility between cationic PPV and anionic C60 via electrostatic interactions. We show that complexation between the cationic PPV and anionic C60 derivatives leads to formation of nanocomposites with optical and electronic properties distinct from individual components without preferential electrostatic interactions. Photo-induced charge transfer quenches fluorescence from the PPV component is consistent with the frontier energy offsets of PPV and C60, and cyclic voltammetry and UV-Vis spectroscopy measurements. This result confirms high miscibility between donor and acceptor and resonance Raman spectra indicate a conformational changes of the PPV backbone upon complex formation.
Original language | English |
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Pages (from-to) | 855-859 |
Number of pages | 5 |
Journal | Polymer |
Volume | 55 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2014 Feb 12 |
Externally published | Yes |
Bibliographical note
Funding Information:This research was supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, Biomolecular Materials program. We also like to acknowledge partial support by the Laboratory Directed Research and Development (LDRD) program under the auspices of DOE. JKG acknowledges support in the form of a grant from the National Science Foundation ( CHE-0955242 ).
Keywords
- Efficient charge transfer
- Nanocomposite
- Poly(phenylene vinylene)
ASJC Scopus subject areas
- Organic Chemistry
- Polymers and Plastics
- Materials Chemistry