About: Photoconducting properties of fullerene derivatized with a biphenil moiety     Goto   Sponge   NotDistinct   Permalink

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Description
  • Byly studovány vlastnosti nízkomolekulových látek, ve kterých je fulerenová jednotka, fungující jako akceptor elektronů, připojena pomocí malonanové skupiny adlouhého flexibilního alkylového řetězce k bifenyl-fenylové jednotce. Měření cyklické voltamerie ukázala 5 za sebou jdoucích jednoelektronových a vratných elektroredukcí pro fulerenovou jednotku a jednu dvouelektronovou a vratnou elektrooxidaci pro bifenylovou jednotku. Dva elektronové procesy naznačují, že dvě bifenylové části vzájemně interagují, pravděpodobně se utváří konformace se dvěma elektron-donorovými částmi v těsném sousedství. Existence stavu s oddělenými náboji s dlouhou dobou životnosti, indukovaného absorpcí světla, byla prokázána pomocí ESR spektroskopie. Tyto vlastnosti jsou zodpovědné za pozorovanou fotovodivost studované látky. (cs)
  • The properties of low molecular weight molecules, in which the electron-acceptor fullerene unit was linked by malonate group and flexible long alkyl chains to two biphenyl-phenyl units, were studied. Cyclic voltammetry measure ments showed five consecutive one-electron, reversible electro-reductions for the fullerene unit and a single two-electron, reversible electro-oxidation for biphenyl moiety. The two electron process indicated that two biphenyl moieties interacted; presumably folded conformation was formed with two electron donating moieties at close proximity. A long-living charge-separated state induced upon light absorption was confirmed by the ESR spectroscopy studies. These properties were responsible for observed photoconductivity of the studied compound.
  • The properties of low molecular weight molecules, in which the electron-acceptor fullerene unit was linked by malonate group and flexible long alkyl chains to two biphenyl-phenyl units, were studied. Cyclic voltammetry measure ments showed five consecutive one-electron, reversible electro-reductions for the fullerene unit and a single two-electron, reversible electro-oxidation for biphenyl moiety. The two electron process indicated that two biphenyl moieties interacted; presumably folded conformation was formed with two electron donating moieties at close proximity. A long-living charge-separated state induced upon light absorption was confirmed by the ESR spectroscopy studies. These properties were responsible for observed photoconductivity of the studied compound. (en)
Title
  • Photoconducting properties of fullerene derivatized with a biphenil moiety
  • Photoconducting properties of fullerene derivatized with a biphenil moiety (en)
  • Fotovodivé vlastnosti derivátu fulerenu s bifenylovou částí (cs)
skos:prefLabel
  • Photoconducting properties of fullerene derivatized with a biphenil moiety
  • Photoconducting properties of fullerene derivatized with a biphenil moiety (en)
  • Fotovodivé vlastnosti derivátu fulerenu s bifenylovou částí (cs)
skos:notation
  • RIV/68378271:_____/06:00099513!RIV08-AV0-68378271
http://linked.open.../vavai/riv/strany
  • 1899;1907
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z10100520)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 492007
http://linked.open...ai/riv/idVysledku
  • RIV/68378271:_____/06:00099513
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • fullerene; photoconductivity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • PL - Polská republika
http://linked.open...ontrolniKodProRIV
  • [2F927352ADF0]
http://linked.open...i/riv/nazevZdroje
  • Polish Journal of Chemistry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 80
http://linked.open...iv/tvurceVysledku
  • Gorecka, E.
  • Bílková, Petra
  • Bilewicz, R.
  • Corvis, Y.
  • Rink, R.
  • Rogalska, E.
  • Trzcinska, K.
http://linked.open...n/vavai/riv/zamer
issn
  • 0137-5083
number of pages
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