Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140364
Title: Bright photon upconversion on composite organic lanthanide molecules through localized thermal radiation
Authors: Ye, Huanqing
Bogdanov, Viktor
Liu, Sheng
Vajandar, Saumitra
Osipowicz, Thomas
Hernández, Ignacio
Xiong, Qihua
Keywords: Science::Physics
Issue Date: 2017
Source: Ye, H., Bogdanov, V., Liu, S., Vajandar, S., Osipowicz, T., Hernández, I., & Xiong, Q. (2017). Bright photon upconversion on composite organic lanthanide molecules through localized thermal radiation. The Journal of Physical Chemistry Letters, 8(23), 5695-5699. doi:10.1021/acs.jpclett.7b02513
Journal: The Journal of Physical Chemistry Letters
Abstract: Converting low-energy photons via thermal radiation can be a potential approach for utilizing infrared (IR) photons to improve photovoltaic efficiency. Lanthanide-containing materials have achieved great progress in IR-to-visible photon upconversion (UC). Herein, we first report bright photon, tunable wavelength UC through localized thermal radiation at the molecular scale with low excitation power density (<10 W/cm2) realized on lanthanide complexes of perfluorinated organic ligands. This is enabled by engineering the pathways of nonradiative de-excitation and energy transfer in a composite of ytterbium and terbium perfluoroimidodiphosphinates. The IR-excited thermal UC and wavelength control is realized through the terbium activators sensitized by the ytterbium sensitizers having high luminescence efficiency. The metallic molecular composite thus can be a potential energy material in the use of the IR solar spectrum for thermal photovoltaic applications.
URI: https://hdl.handle.net/10356/140364
ISSN: 1948-7185
DOI: 10.1021/acs.jpclett.7b02513
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpclett.7b02513
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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