Abstract
In recent years, the interest in near-infrared (NIR) emitting molecules and materials has increased significantly, thanks to the expansion of the potential technological applications of NIR luminescence in several areas such as bioimaging, sensors, telecommunications, and night-vision displays. This progress has been facilitated by the development of new synthetic routes for the targeted functionalization and expansion of established molecular frameworks and by the availability of simpler and cheaper NIR detectors. Herein, we present recent developments on three major classes of systems—i.e., organic dyes, porphyrinoids, and transition metal complexes—exhibiting the maximum of the emission band at λ > 700 nm. In particular, we focus on the design strategies that may increase the luminescence efficiency, while pushing the emission band more deeply in the NIR region. This overview suggests that further progress can be achieved in the near future, with enhanced availability of more robust, stronger, and cheaper NIR luminophores.
This article is part of the Topical Collection “Photoluminescent Materials and Electroluminescent Devices”; edited by Nicola Armaroli and Henk Bolink.
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Barbieri, A., Bandini, E., Monti, F., Praveen, V.K., Armaroli, N. (2017). The Rise of Near-Infrared Emitters: Organic Dyes, Porphyrinoids, and Transition Metal Complexes. In: Armaroli, N., Bolink, H. (eds) Photoluminescent Materials and Electroluminescent Devices. Topics in Current Chemistry Collections. Springer, Cham. https://doi.org/10.1007/978-3-319-59304-3_9
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DOI: https://doi.org/10.1007/978-3-319-59304-3_9
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-59302-9
Online ISBN: 978-3-319-59304-3
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