About: Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide

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Description	Under light irradiation at 313 nm with a medium-pressure mercury lamp, a gaseous mixture of trimethyl(2-propynyloxy)silane (TMPSi) and carbon disulfide (CS2) produced sedimentary aerosol particles. From measurement of monitor (He-Ne laser) light intensity scattered by the aerosol particles, it was shown that the nucleation process of the aerosol particles was accelerated with increasing partial pressure of TMPSi. Analysis of FT-IR and X-ray photoelectron spectra (XPS) of the sedimentary aerosol particles revealed that excited CS, molecules reacted with TMPSi at C equivalent to C to initiate nucleation reaction of the particle formation. Several chemical species originated from CS2 were incorporated into the polymerization reactions between TMPSi and CS2 in forming > C=S and C-S chemical bonds. Under light irradiation at 313 nm with a medium-pressure mercury lamp, a gaseous mixture of trimethyl(2-propynyloxy)silane (TMPSi) and carbon disulfide (CS2) produced sedimentary aerosol particles. From measurement of monitor (He-Ne laser) light intensity scattered by the aerosol particles, it was shown that the nucleation process of the aerosol particles was accelerated with increasing partial pressure of TMPSi. Analysis of FT-IR and X-ray photoelectron spectra (XPS) of the sedimentary aerosol particles revealed that excited CS, molecules reacted with TMPSi at C equivalent to C to initiate nucleation reaction of the particle formation. Several chemical species originated from CS2 were incorporated into the polymerization reactions between TMPSi and CS2 in forming > C=S and C-S chemical bonds. (en) Působením UV záření o vlnové délce 313 nm na plynnou směs trimethyl(2-propynyloxy)silanu (TMPSi) a sirouhlíku vznikají aerosolové částice. Z měření rozptylu záření He-Ne laseru vyplynulo, že nukleační process je urychlen růstem parciálního tlaku TMPSi. Analýza částic aerosolu metodami FTIR a XPS, že excitované molekuly sirouhlíku reagují s C=C vazbou TMPSi a iniciují nukleaci částic. (cs)
Title	Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide (en) Fotochemická syntéza ultračistých organosilikonových částic z trimethyl(2-propynyloxy)silanu a CO2 (cs)
skos:prefLabel	Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide (en) Fotochemická syntéza ultračistých organosilikonových částic z trimethyl(2-propynyloxy)silanu a CO2 (cs)
skos:notation	RIV/61388955:_____/06:00035887!RIV07-AV0-61388955
http://linked.open.../vavai/riv/strany	142;148
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40320502), Z(AV0Z40400503), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Bastl, Zdeněk
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	492003
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/06:00035887
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ultrafine particles; photo-polymerization; trimethyl(2-propynyloxy)silane; carbon disulfide (en)
http://linked.open.../riv/klicoveSlovo	ultrafine particles carbon disulfide photo-polymerization trimethyl(2-propynyloxy)silane
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[D5818BE39DE7]
http://linked.open...i/riv/nazevZdroje	Journal of Photochemistry and Photobiology. A - Chemistry Section
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	179
http://linked.open...iv/tvurceVysledku	Pola, Josef Šubrt, Jan Morita, H. Bastl, Zdeněk Nozawa, R.
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	1010-6030
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide Photochemical synthesis of ultrafine organosilicon particles from trimethyl(2-propynyloxy)silane and carbon disulfide

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