This versatility is essentially due to the presence of both sp 2- and sp 3-hybridized carbon atoms in variable proportions, and to the tendency of the sp 2 C atoms to gather into 蟺-bonded clusters with different bonding configurations. The relationships between the film microstructure and ...
Depending on the length of the bridge, the endo pyramidalization of the sp2-hybridized carbon atoms established for 1 and 2 changes into exo orientation in the derivatives 5–7 to prevent eclipsed conformations between the substituents on the double bonds and on the bridgehead atoms. The intramol...
The optical band gap in amorphous carbon nitride thin films: Effect of sp2 hybridized C atoms configurationsLaser depositioncarbon nitrideoptical band gapX-ray photo-electron spectroscopyRaman spectroscopyIn this paper, we employ the results of spectral measurements performed using XPS, Raman scattering ...
We have carried out first-principles calculations to explore the energetics and dynamics of Li in graphyne, a novel carbon allotrope consisting of sp–sp2 hybridized carbon atoms, relevant for anode lithium intercalation in rechargeable Li-ion batteries. In contrast to graphite where Li diffusion is...
Tag all the s p^{2} hybridized carbon atoms in this molecule. Give the hybridization for the indicated atoms in the following compounds. Are the 2 π bonds in a triple bond perpendicular to one another? There are... sp^3 hybridized atoms in the following compound. CH_3CH_2CH_2CHCH_2...
84 The synthetic strategy involved palladium-promoted Suzuki-Miyaura cross-coupling, followed by intramolecular C–H bond arylation, and oxidative dehydrogenation at adjacent naphthalimide moieties to synthesize an electron-poor nanographene with 64 sp2-hybridized carbon atoms in one-pot starting from N-(...
Integrating nitrogen species into sp2-hybridized carbon materials has proved an efficient means to improve their electrochemical performance. Nevertheless, an inevitable mixture of nitrogen species in carbon materials, due to the uncontrolled conversion
The XPS spectra are deconvoluted into two contributions, which are attributed to sp2- and sp3-hybridized atoms, respectively, separated by 0.9 eV, independent of atomic density. The sp3 hybridization content extracted from XPS is consistent with the atomic density derived from the plasmon energy in...
(0.32 eV) in NRR. Further, to explore the impact of different sp/sp2-hybridized carbon ratios on the catalytic activity of SACs, the mechanism of nitrogen (N2) adsorption, activation, and the comprehensive pathway of NRR on Ti@GY1, Ti@GY2, and Ti@GY3 was systematically investigated. It...
Linear carbon chains Cn are also a kind of important carbon nanostructures made of sp-hybridized C atoms. Their special structure and electronic properties are attracting more and more investigation interest both the- oretically20–23 and experimentally24–26. Carbon chains are traditionally classified...