"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 . "Dian, Juraj" . . "Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-\u00E2-cyclodextrin derivatized porous silicon" . "4" . "[21E9FB48D513]" . "2"^^ . "Jel\u00EDnek, Ivan" . . . . "000247421800055" . "Jind\u0159ich, Jind\u0159ich" . "424794" . . "6" . "Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-\u00E2-cyclodextrin derivatized porous silicon"@en . "5"^^ . . . "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." . . . . . "RIV/00216208:11320/07:10084016!RIV11-GA0-11320___" . . "Physica Status Solidi. C. Solid State Physics" . "Vrkoslav, Vladim\u00EDr" . "Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-\u00E2-cyclodextrin derivatized porous silicon" . . "Photoluminiscence"@en . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "1862-6351" . . "P(GA203/06/0786), Z(MSM0021620835)" . . "RIV/00216208:11320/07:10084016" . "5"^^ . "Trojan, Tom\u00E1\u0161" . "Host-guest interactions in gas phase chemical sensing of permethyl-6I-alkenoylamino-6I-deoxy-\u00E2-cyclodextrin derivatized porous silicon"@en . "11320" .