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Title: Synthesis of C60-antenna nanostructure-based fullerosome vesicles for ultrafast nonlinear photonic applications
Authors: Wang, M.
Canteenwala, T.
Nalla, V. 
Tan, L.-S.
Ji, W. 
Chiang, L.Y.
Issue Date: 2013
Citation: Wang, M., Canteenwala, T., Nalla, V., Tan, L.-S., Ji, W., Chiang, L.Y. (2013). Synthesis of C60-antenna nanostructure-based fullerosome vesicles for ultrafast nonlinear photonic applications. ECS Transactions 45 (20) : 3-14. ScholarBank@NUS Repository.
Abstract: We designed and synthesized amphiphilic oligo(ethylene glycolated) C 60-(light-harvesting fluorene antenna) nanostructures C 60(>DPAF-EG12C1) by incorporating a donor-acceptor antenna component of C60-DPAF with highly hydrophilic oligo(ethylene glycol) (EGn) side-chains to increase the amphiphilicity of the molecule. The chain length of EGn arms was selected to match with the overall molecular radius and to achieve a balance between the hydrophobicity and hydrophilicity of resulting molecules Molecular self-assembly of C 60(>DPAF-EG12C1) forming bilayered fullerosome nanovesicles led to the observation of ultrafast femtosecond nonlinear optical (NLO) absorption characteristics. Two-photon absorption phenomena were found to be the dominating photophysical events showing a large molar concentration-insensitive 2PA cross-section value equivalent to 8500 GM in a form of vesicles, on average, at the estimated effective nanovesicle concentration as low as 5.5 × 10-8 MV (molecular molar concentration of 5.0 × 10-4 M) in H2O. © The Electrochemical Society.
Source Title: ECS Transactions
ISBN: 9781623320362
ISSN: 19385862
DOI: 10.1149/04520.0003ecst
Appears in Collections:Staff Publications

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