نتایج جستجو برای: pi conjugated molecules

تعداد نتایج: 260574  

Journal: :Electronic structure 2021

Abstract Hybridization effects play a crucial role in determining the electronic properties of hybrid inorganic/organic interfaces. To gain insight into these important interactions, we perform first-principles study based on density-functional theory including spin–orbit coupling, focusing eight representative systems formed by two carbon-conjugated molecules—pyrene and perylene—physisorbed tr...

Journal: :Bulletin of the Chemical Society of Japan 1956

Journal: :Physical review research 2022

Charge migration is the electronic response that immediately follows localized ionization or excitation in a molecule, before nuclei have time to move. It typically unfolds on sub-femtosecond scales and most often corresponds dynamics far from equilibrium, involving multi-electron interactions complex chemical environment. While charge has been documented experimentally theoretically multiple o...

Journal: :Chemical science 2015
Natalie Gorczak Nicolas Renaud Simge Tarkuç Arjan J Houtepen Rienk Eelkema Laurens D A Siebbeles Ferdinand C Grozema

Destructive quantum interference has been shown to strongly reduce charge tunneling rates across molecular bridges. The current consensus is that destructive quantum interference occurs in cross-conjugated molecules, while linearly conjugated molecules exhibit constructive interference. Our experimental results on photoinduced charge transfer in donor-bridge-acceptor systems, however, show that...

Journal: :Acta crystallographica. Section B, Structural science 2006
Christopher Glidewell John N Low Janet M S Skakle James L Wardell

The structures of five of the possible six isomers of (E,E)-1,4-bis(nitrophenyl)-2,3-diaza-1,3-butadiene are reported, including two polymorphs of one of the isomers. (E,E)-1,4-Bis(2-nitrophenyl)-2,3-diaza-1,3-butadiene, C(14)H(10)N(4)O(4) (I), crystallizes in two polymorphic forms (Ia) and (Ib) in which the molecules lie across centres of inversion in space groups P2(1)/n and P2(1)/c, respecti...

Journal: :Chemical Engineering Journal 2021

The utilization of smart textiles, mainly in the form yarns and wovens, requires high structural toughness flexibility. To this end, we introduce a strategy based on intermolecular self-assembly dopamine-conjugated carboxymethyl cellulose (DA-CMC) with carbon nanotubes (CNT). Upon coagulation nonsolvent, DA-CMC/CNT suspensions readily composite filaments by effects hydrogen bonding, H-pi, anion...

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