autor: Michael Londesborough | Bře 13, 2019 | publication
We have recently become interested in fluorescent emission of light from the boron hydrides – a group of inorganic molecular compounds with unique quasi-aromatic polyhedral cluster geometries that are the subject of this book. Seen in the wide perspective of the...
autor: Michael Londesborough | Bře 13, 2019 | publication
The photophysics of the two isomers of octadecaborane(22), anti- and syn-B18H22, have been studied by UV−vis spectroscopic techniques and theoretical computational methods. In air-saturated hexane, anti-B18H22 shows fluorescence with a high quantum yield, ΦF = 0.97,...
autor: admin | Srp 24, 2018 | home page, publication
Reaction of the laser borane anti-B18H22 with pyridine in neutral solvents gives sparingly soluble B16H18-3′,8′-Py2 as the major product (ca. 53 %) and B18H20-6′,9′-Py2 (ca. 15 %) as the minor product, with small quantities of B18H20-8′-Py (ca. 1 %) also being formed....
autor: admin | Srp 23, 2018 | home page, publication
Thermochromic fluorescence from a borane cluster with pyridine „wings“, A new chemical compound, B18H20(NC5H5)2, with an unusual molecular structure that resembles a flying dragon, with a cluster boron hydride body and two unfurled pyridine „wings“, has...
autor: admin | Srp 23, 2018 | home page, publication
The discovery of a novel and highly photostable blue laser light emitting material – The first borane laser A team of scientists led by Dr. Michael G. S. Londesborough from the Institute of Inorganic Chemistry of the Academy of Sciences of the Czech Republic and...
autor: admin | Srp 23, 2018 | home page, publication
Quantum Hopping between Excited Singlet and Triplet States in new 4,4’-(HS)2-anti-B18H20. The tuning of the photophysical properties of the highly fluorescent boron hydride cluster anti-B18H22 (1), by straight-forward chemical substitution to produce...
