Synthesis of C60-diphenylaminofluorene dyad with large 2PA cross-sections and efficient intramolecular two-photon energy transfer |
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| Authors: | Chiang Long Y Padmawar Prashant A Canteenwala Taizoon Tan Loon-Seng He Guang S Kannan Ramamurthi Vaia Richard Lin Tzu-Chau Zheng Qingdong Prasad Paras N |
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| Institution: | Department of Chemistry, Institute of Nanoscience and Engineering, University of Massachusetts Lowell, Lowell, MA 01854, USA. Long_Chiang@uml.edu |
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| Abstract: | The first, highly two-photon active C60 derivative comprised of a A-sp3-D conjugate structure was synthesized showing effective two-photon absorption cross-sections (sigma 2' = 196 x 10(-48) cm4 sec-1 molecule-1) in the nanosecond regime among the best values for diphenylaminofluorene-based AFX chromophores. |
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