A borane laser

Luis Cerdán, Jakub Braborec, Inmaculada Garcia-Moreno, Angel Costela and Michael G. S. Londesborough ()
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Luis Cerdán: Surfaces and Condensed Matter, Instituto de Química-Física ‘Rocasolano’, Consejo Superior de Investigaciones Científicas (CSIC)
Jakub Braborec: Institute of Inorganic Chemistry of the AS CR, v.v.i.
Inmaculada Garcia-Moreno: Surfaces and Condensed Matter, Instituto de Química-Física ‘Rocasolano’, Consejo Superior de Investigaciones Científicas (CSIC)
Angel Costela: Surfaces and Condensed Matter, Instituto de Química-Física ‘Rocasolano’, Consejo Superior de Investigaciones Científicas (CSIC)
Michael G. S. Londesborough: Institute of Inorganic Chemistry of the AS CR, v.v.i.

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract Emission from electronically excited species forms the basis for an important class of light sources—lasers. So far, commercially available solution-processed blue-emitting laser materials are based on organic compounds or semiconductor nanocrystals that have significant limitations: either low solubility, low chemical- and/or photo-stability and/or uncompetitive prices. Here we report a novel and competitive alternative to these existing laser materials that is based on boron hydrides, inorganic cluster compounds with a rich and diverse chemistry. We demonstrate that solutions of the borane anti-B18H22 show, under pulsed excitation, blue laser emission at 406 nm with an efficiency (ratio of output/input energies) of 9.5%, and a photostability superior to many of the commercially available state-of-the-art blue laser dyes. This demonstration opens the doors for the development of a whole new class of laser materials based on a previously untapped resource for laser technology—the boranes.

Date: 2015
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DOI: 10.1038/ncomms6958

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