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2011 (v1)PublicationUploaded on: March 31, 2023
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2000 (v1)Publication
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2004 (v1)Publication
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2013 (v1)Publication
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2003 (v1)Publication
We have performed a quantum chemical study on neutral and doubly charged oligodiacetylene clusters, using a recent time-dependent Hartree-Fock (TDHF) approach based on an INDO/S Hamiltonian. Our goal is to achieve information on the effect of the supramolecular architecture on the nature of the photoexcitations and on the non-linear optical...
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2005 (v1)Publication
We discuss the effect of the interchain interactions on the electronic properties of a "dimer", named (CHD4)2, built from two molecules of a fully carbazolyl-substituted oligodiacetylene containing four repeating units. Each carbazolyl moiety is connected to its respective backbone through a methylene spacer, and the excitations of the neutral...
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2002 (v1)Publication
The collective electronic oscillator (CEO) approach recently proposed by Mukamel, which is based on an INDO/S Hamiltonian in the framework of the time-dependent Hartree–Fock approximation, is used to investigate the effect of the supramolecular architecture on the photogenerated excitations in different aggregates of a large-sized...
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1993 (v1)Publication
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2003 (v1)Publication
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1998 (v1)Publication
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2010 (v1)Publication
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2010 (v1)Publication
To prepare stable nanohybrids of controlled size and shape consisting of a noble metal core decorated with polydiacetylenes (PDAs) was the aim of our work. Due to the combination of the outstanding linear and nonlinear optical properties of the polydiacetylenic chains with the electromagnetic field-enhancing capability of metal nanostructures,...
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2012 (v1)Publication
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2001 (v1)Publication
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2012 (v1)Publication
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2012 (v1)Publication
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2012 (v1)Publication
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2011 (v1)Publication
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2012 (v1)Publication
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2001 (v1)Publication
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2001 (v1)Publication
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2008 (v1)Publication
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2003 (v1)Publication
Absorption and photoinduced absorption (PIA) spectra of thin films of polycarbazolyldiacetylenes carrying alkyl (polyDCHD-HS) or acyl (polyDPCHD) substitutions are reported. The absorption spectra are dominated by an excitonic absorption followed by a vibronic progression, and are quite insensitive to the temperature. The PIA spectra show the...
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2011 (v1)Publication
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Uploaded on: March 27, 2023