Synthesis and characterization of a highly two-photon active dendrimer derived from 2,3,8-trifunctionalized indenoquinoxaline units

Tzu Chau Lin, Che Yu Liu, May Hui Li, Yi You Liu, Sheng Yang Tseng, Yu Ting Wang, Ya Hsin Tseng, Hui Hsin Chu, Chih Wei Luo

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

A dendritic chromophore derived from 2,3,8-trifunctionalized indenoquinoxaline units was synthesized and experimentally shown to manifest very strong and widely-dispersed two-photon absorption (2PA) across the dynamic tuning range of a Ti:sapphire laser. The maximum 2PA of the studied chromophore was found to reach ≈31700 GM, indicating that 2,3,8-trifuctionalized indenoquinoxaline units are useful building moieties for the construction of highly active 2PA-dyes. In addition, this dendritic structure was also demonstrated to effectively regulate the optical power of femtosecond laser pulses at 800 nm.

Original languageEnglish
Pages (from-to)821-828
Number of pages8
JournalJournal of Materials Chemistry C
Volume2
Issue number5
DOIs
StatePublished - 7 Feb 2014

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