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14 March 2023 Installation of hole transport functionality in iridium complexes for reverse saturable absorption (RSA) materials development
Ryan M. O'Donnell, Thomas N. Rohrabaugh Jr., Jack M. Harrison, Justin Yeung, Victor A. Jaffett, Chi Nguyen, William M. Shensky III
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Proceedings Volume PC12418, Organic Photonic Materials and Devices XXV; PC1241808 (2023) https://doi.org/10.1117/12.2653670
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Cyclometalated iridium complexes are a specific class of transition metal chromophores (TMCs) widely employed as phosphors in organic light emitting diodes (OLEDs), as photoredox catalysts, and increasingly as non-linear optical (NLO) materials. This research investigated the effect of derivatization on the parent complex [Ir(pbt)2(acac)], where pbt is 2-phenylbenzothiazole and acac is acetylacetonate. Specifically, hole transport groups, either triphenylamines or carbazoles, were installed at different positions along the pbt ligand framework. The chemical syntheses, electrochemistry, and photophysics of these complexes will be discussed in detail with reference to our previous work and the parent complex.
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Ryan M. O'Donnell, Thomas N. Rohrabaugh Jr., Jack M. Harrison, Justin Yeung, Victor A. Jaffett, Chi Nguyen, and William M. Shensky III "Installation of hole transport functionality in iridium complexes for reverse saturable absorption (RSA) materials development", Proc. SPIE PC12418, Organic Photonic Materials and Devices XXV, PC1241808 (14 March 2023); https://doi.org/10.1117/12.2653670
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KEYWORDS
Iridium
Saturable absorption
Nonlinear optics
Organic light emitting diodes
Chromophores
Luminescence
Near infrared
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