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Exceptionally large two- and three-photon absorption cross-sections by OPV organometalation

Gao, Beibei; Mazur, Leszek M.; Morshedi, Mahbod; Barlow, Adam; Wang, Huan; Quintana, Cristóbal; Zhang, Chi; Samoc, Marek; Cifuentes, Marie P.; Humphrey, Mark

Description

Oligo(p-phenylenevinylene)s (OPVs) containing up to 8 PV units and end-functionalized by ruthenium alkynyl groups have been prepared and their nonlinear absorption properties assessed using the Z-scan technique and employing low repetition rate femtosecond pulses. Exceptionally large two-photon absorption (ca. 12 500 GM at 725 nm) and three-photon absorption cross sections (ca. 1.6 × 10⁻⁷⁶ cm⁶s² at 1100 nm) are found for the 8PV-containing example, highlighting the potential of an...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/148206
Source: Chemical Communications
DOI: 10.1039/C6CC02560A
Access Rights: Open Access
Open Access

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