Comment on “Bi-functional Li2B12H12 for energy storage and conversion applications: solid-state electrolyte and luminescent down-conversion dye” by J. A. Teprovich Jr, H. Colón-Mercado, A. L. Washington II, P. A. Ward, S. Greenway, D. M. Missimer, H. Hartman, J. Velten, J. H. Christian and R. Zidan, J. Mater. Chem. A, 2015, 3, 22853

The photoluminescent properties of selected metal closo-boranes have been assessed. Group 3 elements Sc, Y, and La as well as Li, Na, and Eu-based B10H102− and B12H122− compounds displayed photoluminescence in the ultraviolet (emission λmax≈ 350 nm) that was not visible to the human eye, in contrast...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019-02, Vol.7 (8), p.4185-4187
Main Authors: Paskevicius, M, Jakobsen, A S, Bregnhøj, M, Hansen, B R S, Møller, K T, Ogilby, P R, Jensen, T R
Format: Article
Language:English
Subjects:
Boranes
Conversion
Emission spectra
Energy storage
Impurities
NMR
Nuclear magnetic resonance
Photoluminescence
Photons
X-ray diffraction
Yttrium
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Summary:The photoluminescent properties of selected metal closo-boranes have been assessed. Group 3 elements Sc, Y, and La as well as Li, Na, and Eu-based B10H102− and B12H122− compounds displayed photoluminescence in the ultraviolet (emission λmax≈ 350 nm) that was not visible to the human eye, in contrast to previous reports. We attribute these earlier results to arachno-borane impurities, which are more readily observed due to their longer wavelength emission spectra.
ISSN:2050-7488
2050-7496
DOI:10.1039/c8ta10735a