1217344-01-8Relevant academic research and scientific papers
Synthesis and two-photon absorption property characterizations of small dendritic chromophores containing functionalized quinoxaliniod heterocycles
Lin, Tzu-Chau,Lee, Ying-Hsuan,Liu, Che-Yu,Huang, Bor-Rong,Tsai, Ming-Yu,Huang, Yu-Jhen,Lin, Ja-Hon,Shen, Yu-Kai,Wu, Cheng-Yu
, p. 749 - 760 (2013/02/25)
A series of star-shaped multi-polar chromophores (compounds 1-3) containing functionalized quinoxaline and quinoxalinoid (indenoquinoxaline and pyridopyrazine) units has been synthesized and characterized for their two-photon absorption (2PA) properties both in the femtosecond and the nanosecond time domain. Under our experimental conditions, these model fluorophores are found to manifest strong and wide-dispersed two-photon absorption in the near-infrared region. It is demonstrated that molecular structures with multi-branched π frameworks incorporating properly functionalized quinoxalinoid units would possess large molecular nonlinear absorptivities within the studied spectral range. Effective optical-power attenuation and stabilization behaviors in the nanosecond time domain of a selected representative dye molecule (i.e., compound 2) from this model compound set were also investigated and the results indicate that such structural motif could be a useful approach for the molecular design toward strong two-photon-absorbing material systems for quick-responsive and broadband optical-suppressing-related applications, particularly to confront long laser pulses. Copyright
Synthesis and two-photon absorption properties of symmetrical chromophores derived from 2,3,5-trisubstituted quinoxaline units
Lin, Tzu-Chau,Chien, Wei,Liu, Che-Yu,Tsai, Ming-Yu,Huang, Yu-Jheng
, p. 4262 - 4269 (2013/07/26)
A set of symmetrically substituted multibranched chromophores composed of three quinoxaline-based congeners has been synthesized and experimentally shown to possess strong and widely dispersed two-photon absorptivities in the visible to near-IR region und
Synthesis and two-photon properties of a multi-polar chromophore based on tetra-quinoxalinylethylene scaffold
Lin, Tzu-Chau,Huang, Yu-Jhen,Huang, Bor-Rong,Lee, Ying-Hsuan
supporting information; experimental part, p. 6748 - 6753 (2012/02/04)
A new multi-branched fluorophore derived from tetra-quinoxalinylethylene as the core with diphenylaminofluorene units incorporated at the peripheral positions has been synthesized via Pd-catalyzed Suzuki coupling and experimentally shown to possess strong
Two-photon absorption and effective broadband optical power limiting properties of a multi-branched chromophore containing 2,3-diarylquinoxalinyl moieties as the electron-pulling units
Lin, Tzu-Chau,Huang, Yu-Jhen,Chen, Yong-Fu,Hu, Chia-Ling
experimental part, p. 1375 - 1382 (2010/04/04)
A novel multi-branched chromophore containing 2,3-diarylquinoxalinyl units as the electron-acceptors had been synthesized and its nonlinear optical properties were characterized in the femtosecond and nanosecond regime. The experimental results show that the studied fluorophore possesses strong and wide-dispersed two-photon absorption in near infrared (NIR) region. It is demonstrated that the incorporation of 2,3-disubstituted quinoxaline moieties as a part of π-conjugation in a dye molecule could be a useful approach toward large molecular two-photon absoptivities within the studied spectral region. Effective optical-power-attenuation behaviors in the nanosecond time domain of this compound were also investigated and the results indicate that such dye molecule can be a potential material as a broadband and quick-responsive optical limiter especially when against those laser lights with longer pulses.
