Citation: Fang Gao Nv Dan Hu, Hong Ru Li Sheng Tao Zhang. Novel triphenylamine-based two-photon absorption dyes including benzophenone parts[J]. Chinese Chemical Letters, ;2009, 20(11): 1279-1282. doi: 10.1016/j.cclet.2009.06.006 shu

Novel triphenylamine-based two-photon absorption dyes including benzophenone parts

College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China

Received Date: 12 March 2009

Fund Project: 20702065State Education Ministry as well (Nos. 20071108- 120872184). We would thank ‘‘Key Foundation of Chongqing Science and Technology Commission'' (No. CSTC 2008BA4020). H. Li thanks ‘‘A Foundation for the Author of National Excellent Doctoral Dissertation of PR China (No. 200735)'' for financial support. This paper is partly sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars20071108-5).The authors are grateful for the financial support from National Natural Science Foundation of China (Nos. 20776165

New two-photon absorption dyes including benzophenone parts, p-N,N-diphenylamino-p'-phenacylstilbene (C1), 4,4-di-(4-benzoylstyrene)yltriphenylamine (C2) and 4,4',4"-tri(4-benzoylstyrene)yltriphenylamine (C3), were synthesized and characterizedby ¹H NMR and elemental analysis. The ratio of the molar extinction coefficients of compounds was approximately equal to the ratio of the branch amount of the compounds, namely, C1:C2:C3 was 1:2:3. Extremely high fluorescence quantum yields were detected for these compounds. These molecules exhibited obvious two-photon upconcerted fluorescence as excited by 800 nm Ti:sapphire femtosecond laser.
- Synthesis,
- Spectroscopy,
- Two-photon absorption,
- Benzophenone
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