Sustainable efficient light emitters based solely on elements-of-hope are needed to replace current compounds less-abundant materials. Functionalized diamondoids a potential solution for this challenge, as prototypical example offers efficient, octave-spanning emission across the visible spectrum in their single-crystalline form. Its large quantum efficiency increases towards higher-than-ambien...

A number of procedures to identify and measure the precipitates that result from petroleum fluids are presented. The Ž . fractions considered in this study include those in the categories of asphaltenes, resins, saturates paraffinrwax , aromatics, inorganic minerals and diamondoids. A combination of deposition techniques, separation by centrifuge, filtration, gas Ž . chromatography, gel-permeat...

The development of theories and methods devoted to the accurate calculation of the electronic quasi-particle states and levels of molecules, clusters and solids is of prime importance to interpret the experimental data. These quantum systems are often modelled by using the Born-Oppenheimer approximation where the coupling between the electrons and vibrational modes is not fully taken into accou...

Under high pressure, triply bonded molecular nitrogen dissociates into singly bonded polymeric nitrogen, a potential high-energy-density material. The discovery of stable high-pressure forms of polymeric nitrogen is of great interest. We report the striking stabilization of cagelike diamondoid nitrogen at high pressures predicted by first-principles structural searches. The diamondoid structure...