نتایج جستجو برای: coronene
تعداد نتایج: 307 فیلتر نتایج به سال:
Correction for ‘Coronene: a high-voltage anion insertion and de-insertion cathode potassium-ion batteries’ by Minami Kato et al., New J. Chem., 2021, 45, 4921–4924.
An organic FET employing a single crystal of a donor-acceptor system based on coronene tetracarboxylate and a methyl viologen derivative exhibited an impressive mobility of 0.53 cm(2) V(-1) s(-1), operating under 2 V in the ambient atmosphere. Quantum mechanical calculations have provided an insight into the hole-dominant transport in the crystal.
π-Electron ring-currents for the altans of the four regular [r,s]-coronenes are calculated by the topological HLPM approach. The bond-current pattern of the parent structure is generally preserved in the core of the corresponding altan. Altan-[10,5]-coronene appears to support an anomalous diamagnetic current in its [4n]-periphery. This invites further investigation.
A new pulsed polarization transfer experiment method is described for the polarization of “C spins in a solid by magnetization transfer from protons. The method is directly analogous to the INEPT sequence for liquids introduced by Freeman and Morris. As polarization is transferred in PPT between individual ‘H-13C pairs, rather than between spin reservoirs, different opportunities exist for stru...
Possessing a small size and C3-symmetrical rigid backbone, a coronene derivative was synthesized from β-cyclodextrins and hexa-cata-hexabenzocoronene, and then a water-soluble and biocompatible nanographene/polysaccharide supramolecular assembly was successfully fabricated through noncovalent interactions between adamantly grafted hyaluronic acids and β-cyclodextrin-modified hexa-cata-hexabenzo...
Hydrogen storage in carbonaceous materials and their derivatives is currently a widely investigated topic. The rational design of novel adsorptive materials is often attempted with the help of computational chemistry tools, in particular density functional theory (DFT). However, different exchange-correlation functionals provide a very wide range of hydrogen binding energies. The aim of this ar...
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