About: A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation

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About: A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	New synthetic strategies for thiophene-nickel(II)porphyrin hybrid molecules are described. Three principles-linear direct, linear spacer and lateral spacer connectivities-were realised and compared with respect to their electrochemical behaviour. Computational investigations by DFT methods confirm experimental data and explain cylic voltammetric oxidations. For the linear direct connectivity, the number of thiophene units per substituted position must be at least two, since the porphyrin core acts as conjugation breaker and hinders the formation of higher oligomers. Alternatively an ethynylene spacer can be introduced to increase conjugation and to optimise the conducting properties. The lateral spacer connection mode proved to be best suited to the electrochemical formation of hybrid compounds. New synthetic strategies for thiophene-nickel(II)porphyrin hybrid molecules are described. Three principles-linear direct, linear spacer and lateral spacer connectivities-were realised and compared with respect to their electrochemical behaviour. Computational investigations by DFT methods confirm experimental data and explain cylic voltammetric oxidations. For the linear direct connectivity, the number of thiophene units per substituted position must be at least two, since the porphyrin core acts as conjugation breaker and hinders the formation of higher oligomers. Alternatively an ethynylene spacer can be introduced to increase conjugation and to optimise the conducting properties. The lateral spacer connection mode proved to be best suited to the electrochemical formation of hybrid compounds. (en)
Title	A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation (en)
skos:prefLabel	A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid Molecules and their Electrochemical and Computional Investigation (en)
skos:notation	RIV/61388963:_____/10:00346367!RIV11-AV0-61388963
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40550506)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Jahn, Ullrich
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav organické chemie a biochemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	244777
http://linked.open...ai/riv/idVysledku	RIV/61388963:_____/10:00346367
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hybrid material; porphyrin; thiophene (en)
http://linked.open.../riv/klicoveSlovo	thiophene porphyrin hybrid material
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[CE23D75B356A]
http://linked.open...i/riv/nazevZdroje	Macromolecular Chemistry and Physics
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	211
http://linked.open...iv/tvurceVysledku	Jahn, Ullrich Jones, P. G. Becker, E. Elstner, M. Frähmcke, J. S. Johannes, H. H. Kowalsky, W. Zöllner, M. J.
http://linked.open...ain/vavai/riv/wos	000274936600010
http://linked.open...n/vavai/riv/zamer	Regulace biologických procesů: Chemické modulátory vybraných systémů významných pro medicínu a zemědělství
issn	1022-1352
number of pages	13 (xsd:int)

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