نتایج جستجو برای: coronene

تعداد نتایج: 307  

Journal: :New Journal of Chemistry 2021

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.

Journal: :Chemical communications 2013
Abhay A Sagade K Venkata Rao Subi J George Ayan Datta Giridhar U Kulkarni

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.

Journal: :Chemical communications 2015
T K Dickens R B Mallion

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.

2004
GARY E. MACIEL

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...

Journal: :Organic letters 2016
Jie Yu Yong Chen Yu-Hui Zhang Xun Xu Yu Liu

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...

Journal: :Physical chemistry chemical physics : PCCP 2015
Mikuláš Kocman Petr Jurečka Matúš Dubecký Michal Otyepka Yeonchoo Cho Kwang S Kim

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...

Journal: :Proceedings of the International Astronomical Union 2015

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