Abstract
Two carbazole-based polymerization initiators possessing blue fluorescence emission have been synthesized via Wittig reaction in the solid phase at room temperature. Two-photon excited fluorescence (TPEF) spectra for them were investigated under 800 nm fs laser pulse and two-photon absorption cross sections were determined by the Z-scan technique. Then two-photon initiating polymerization (TPIP) microfabrication experiments were successfully carried out. Three-dimensional lattice and artificial defects were gained, indicating that they were viable candidates for the two-photon polymerization initiator in practical application of microfabrication.
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Supported by the National Natural Science Foundation of China (Grant Nos. 50532030, 20771001 & 50703001), and Team for Scientific Innovation of Anhui Province (Grant No. 2006KJ007TD)
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Hu, R., Lü, L., Ruan, B. et al. Synthesis of two carbazole-based dyes and application of two-photon initiating polymerization. Sci. China Ser. B-Chem. 52, 1210–1215 (2009). https://doi.org/10.1007/s11426-009-0039-6
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DOI: https://doi.org/10.1007/s11426-009-0039-6