About: Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-â-cyclodextrin derivatized porous silicon     Goto   Sponge   NotDistinct   Permalink

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  • Porous silicon surface was modified by photochemically activated hydrosilylation reaction with permethyl-6(1)-alkenoylamino-6(1)-deoxy-beta-cyclodextrins. In the presence of controlled amounts of various organic molecules in gas phase photoluminescence response from this derivatized porous silicon revealed formation of host-guest complexes between P-cyclodextrin and detected molecules. The strongest modification of photoluminescence response was observed for aromatic compounds that have optimal molecular size for strong interaction with beta-cyclodextrin cavity. For low concentrations of aromatic molecules we observed PL enhancement most probably due to electron transfer from beta-cyclodextrin-analyte complex to porous silicon. For higher concentrations-after saturation of the beta-cyclodextrin sites - a combined response with dominant PL quenching was observed. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
  • Porous silicon surface was modified by photochemically activated hydrosilylation reaction with permethyl-6(1)-alkenoylamino-6(1)-deoxy-beta-cyclodextrins. In the presence of controlled amounts of various organic molecules in gas phase photoluminescence response from this derivatized porous silicon revealed formation of host-guest complexes between P-cyclodextrin and detected molecules. The strongest modification of photoluminescence response was observed for aromatic compounds that have optimal molecular size for strong interaction with beta-cyclodextrin cavity. For low concentrations of aromatic molecules we observed PL enhancement most probably due to electron transfer from beta-cyclodextrin-analyte complex to porous silicon. For higher concentrations-after saturation of the beta-cyclodextrin sites - a combined response with dominant PL quenching was observed. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. (en)
Title
  • Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-â-cyclodextrin derivatized porous silicon
  • Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-â-cyclodextrin derivatized porous silicon (en)
skos:prefLabel
  • Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-â-cyclodextrin derivatized porous silicon
  • Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-â-cyclodextrin derivatized porous silicon (en)
skos:notation
  • RIV/00216208:11320/07:10084016!RIV11-GA0-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/06/0786), Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika
  • 6
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
  • 424794
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/07:10084016
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Photoluminiscence (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [21E9FB48D513]
http://linked.open...i/riv/nazevZdroje
  • Physica Status Solidi. C. Solid State Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 4
http://linked.open...iv/tvurceVysledku
  • Jindřich, Jindřich
  • Jelínek, Ivan
  • Vrkoslav, Vladimír
  • Trojan, Tomáš
  • Dian, Juraj
http://linked.open...ain/vavai/riv/wos
  • 000247421800055
http://linked.open...n/vavai/riv/zamer
issn
  • 1862-6351
number of pages
http://localhost/t...ganizacniJednotka
  • 11320
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