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Wiley, physica status solidi (RRL) - Rapid Research Letters, 3-4(4), p. 55-57, 2010

DOI: 10.1002/pssr.200903396

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Efficient spectrally dynamic blue-to-green emission of bipyridine-based bridged silsesquioxanes for solid-state lighting

Journal article published in 2010 by Sonia S. Nobre, Michel Wong Chi Man, Xavier Cattoën, Rute A. S. Ferreira, Michel Wong Chi Man, Luis D. Carlos ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We report a metal-free bpy-bridged silsesquioxane displaying an efficient and tuneable blue-to-green emission (maximum quantum yield and luminance values of 0.22 ± 0.02 cd m–2 and 63 ± 3 cd m–2, respectively) when excited by commercial InGaN light emitting diodes (LEDs) (385–405 nm). This is the highest quantum yield value reported so far for metal-free phosphors easily excited by commercial InGaN long-UV/blue LEDs bringing organic/inorganic hybrids on the way to applications as metal-free phosphors for smart LED-based lighting and LED-addressed displays.