About: Soluble phthalocyanines - new materials for optoelectronics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A new class of soluble phthalocyanines was synthesized and their electrical properties were studied. Their UV-VIS spectra consist of two strong Q and Soret bands at about 650 – 800 and 300 – 400 nm, respectively. The energy of the long-wavelength absorption is in good agreement with activation energy of dark conductivity; thus, the band gap energy can be estimated as 1.7 eV. Due to the dissociation of ionic groups, the electrical conductivity is strongly dependent on the air humidity. Because of quite a high charge carrier mobility, of the order 10-3 cm2 V-1 s-1, the phthalocyanines were used for the construction of field-effect transistors. A new class of soluble phthalocyanines was synthesized and their electrical properties were studied. Their UV-VIS spectra consist of two strong Q and Soret bands at about 650 – 800 and 300 – 400 nm, respectively. The energy of the long-wavelength absorption is in good agreement with activation energy of dark conductivity; thus, the band gap energy can be estimated as 1.7 eV. Due to the dissociation of ionic groups, the electrical conductivity is strongly dependent on the air humidity. Because of quite a high charge carrier mobility, of the order 10-3 cm2 V-1 s-1, the phthalocyanines were used for the construction of field-effect transistors. (en) Nová skupina rozpustných ftalocyaninů byla syntetizována a studovány jejich elektrické vlastnosti. UV-VIS spektra sestávají ze silného Q a Soretova pásu s maximy při 650-800 a 300-400 nm. Energie dlouhovlnné absorpce je v dobrém souhlasu s aktivační energií temnotní vodivosti; energie zakázaného pásu byla takto určena jako 1,7 event. Vzhledem k disociaci iontových skupin, elektrická vodivost je silně závislá na vlhkosti okolního prostředí. Poměrně vysoká hodnota pohyblivosti nosičů náboje, řádu 10-3 cm2 V-1 s-1 umožnila konstrukci transistorů řízených polem. (cs)
Title	Soluble phthalocyanines - new materials for optoelectronics Rozpustné ftalocyaniny - nové materiály pro optoelektroniku (cs) Soluble phthalocyanines - new materials for optoelectronics (en)
skos:prefLabel	Soluble phthalocyanines - new materials for optoelectronics Rozpustné ftalocyaniny - nové materiály pro optoelektroniku (cs) Soluble phthalocyanines - new materials for optoelectronics (en)
skos:notation	RIV/61389013:_____/05:00023577!RIV06-AV0-61389013
http://linked.open.../vavai/riv/strany	1365;1370
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(FT-TA/036), P(ME 700), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Nešpůrek, Stanislav
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 makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	543441
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/05:00023577
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phthalocyanine; poly[3,4-(ethylenedioxy)thiophene]; electrical properties (en)
http://linked.open.../riv/klicoveSlovo	4-(ethylenedioxy)thiophene] poly[3 phthalocyanine electrical properties
http://linked.open...odStatuVydavatele	RO - Rumunsko
http://linked.open...ontrolniKodProRIV	[36C8F163EA0D]
http://linked.open...i/riv/nazevZdroje	Journal of Optoelectronics and Advanced Materials
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20700 *High-tech applications of phthalocyanine derivates.
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Nešpůrek, Stanislav Karásková, M. Rakušan, J. Biler, M. Wang, G. Zhivkov, I. Pochekailov, S.
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1454-4164
number of pages	6 (xsd:int)

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