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Title: Tuning two-photon absorption cross-sections for triphenylamine derivatives
Authors: Fang, Zhen
Webster, Richard David
Samoc, Marek
Lai, Yee-Hing
Keywords: DRNTU::Science::Chemistry
Issue Date: 2013
Source: Fang, Z., Webster, R. D., Samoc, M., & Lai, Y.-H. (2013). Tuning two-photon absorption cross-sections for triphenylamine derivatives. RSC advances, 3(39), 17914-17917
Series/Report no.: RSC advances
Abstract: A methylene bridge link connecting the ortho-positions within the triphenylamine scaffold increases the molecular planarity significantly. The one-photon spectroscopies of bridged triphenylamine molecules show considerable extended conjugation relative to their triphenylamine counterparts, leading to enhanced two-photon absorption (TPA) cross-sections. Various substituents at the scaffold have been prepared and studied. Using a femtosecond laser source Z-scan method, the TPA cross-sections were characterized. The maximum magnitude of the TPA cross-section is [similar]4800 GM, which is four times that of its triphenylamine counterpart.
ISSN: 2046-2069
DOI: 10.1039/c3ra42789g
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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