Articles with "heteroatom substitution" as a keyword



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Influence of heteroatom substitution in benzene rings on structural features and spectral properties of subphthalocyanine dyes

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.107584

Abstract: Abstract Peculiarities of the molecular geometry, electronic structure and spectral properties of heterocyclic subphthalocyanines analogues containing electron-deficient heterocycles have been considered using DFT and TD DFT methods. Subporphyrazine with annulated 1,2,5-selenadiazole rings was prepared and… read more here.

Keywords: spectral properties; heteroatom substitution; benzene rings; substitution benzene ... See more keywords
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Effect of Heteroatom Substitution on Transport in Alkanedithiol-Based Molecular Tunnel Junctions: Evidence for Universal Behavior.

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Published in 2017 at "ACS nano"

DOI: 10.1021/acsnano.6b06623

Abstract: The transport properties of molecular junctions based on alkanedithiols with three different methylene chain lengths were compared with junctions based on similar chains wherein every third -CH2- was replaced with O or S, that is,… read more here.

Keywords: heteroatom substitution; transport; level; evidence ... See more keywords
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Investigating the effect of heteroatom substitution in 2,1,3-benzoxadiazole and 2,1,3-benzothiadiazole compounds for organic photovoltaics

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Published in 2018 at "Journal of Materials Chemistry C"

DOI: 10.1039/c7tc05075e

Abstract: Two new donor–acceptor−donor molecules, featuring either 2,1,3-benzothiadiazole (BT) or 2,1,3-benzoxadiazole (BO) and capped by benzofuranyl-thienyl groups, are presented. The structures of these novel compounds differ only in the identity of one heteroatom in the acceptor… read more here.

Keywords: investigating effect; benzoxadiazole; heteroatom substitution; heteroatom ... See more keywords
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Multiple heteroatom substitution to graphene nanoribbon

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Published in 2018 at "Science Advances"

DOI: 10.1126/sciadv.aar7181

Abstract: High-resolution atomic force microscopy can resolve the difference among B, C, and N atoms. Substituting heteroatoms into nanostructured graphene elements, such as graphene nanoribbons, offers the possibility for atomic engineering of electronic properties. To characterize… read more here.

Keywords: heteroatom substitution; microscopy; multiple heteroatom; substitution graphene ... See more keywords