About: Electron transfer at oxide/water interfaces induced by ionizing radiation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The electron transfer from oxide into water is studied in nanoparticle suspensions of various oxides (SiO2, ZnO, Al2O 3, Nd2O3, Sm2O3, and Er2O3) by means of pulse and γ radiolysis. The time-resolved and steady-state investigations of the present study demonstrate independently that whatever the band gap and the electron affinity of the oxide, the electron transfer always takes place in these nanometric systems: Irradiation generates hot electrons which have enough energy to cross the semiconductor-liquid interface. Moreover, picosecond measurements evidence that the spectrum of the solvated electron is the same as in water. Lastly, the decay of the solvated electron is similar on the picosecond to nanosecond time scale in water and in these suspensions, but it is clearly different on the nanosecond to microsecond time scale. The electron transfer from oxide into water is studied in nanoparticle suspensions of various oxides (SiO2, ZnO, Al2O 3, Nd2O3, Sm2O3, and Er2O3) by means of pulse and γ radiolysis. The time-resolved and steady-state investigations of the present study demonstrate independently that whatever the band gap and the electron affinity of the oxide, the electron transfer always takes place in these nanometric systems: Irradiation generates hot electrons which have enough energy to cross the semiconductor-liquid interface. Moreover, picosecond measurements evidence that the spectrum of the solvated electron is the same as in water. Lastly, the decay of the solvated electron is similar on the picosecond to nanosecond time scale in water and in these suspensions, but it is clearly different on the nanosecond to microsecond time scale. (en)
Title	Electron transfer at oxide/water interfaces induced by ionizing radiation Electron transfer at oxide/water interfaces induced by ionizing radiation (en)
skos:prefLabel	Electron transfer at oxide/water interfaces induced by ionizing radiation Electron transfer at oxide/water interfaces induced by ionizing radiation (en)
skos:notation	RIV/68407700:21340/14:00227381!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Čuba, Václav
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	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	14181
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/14:00227381
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Electron transitions; Ionizing radiation; Radiation chemistry (en)
http://linked.open.../riv/klicoveSlovo	Electron transitions Radiation chemistry Ionizing radiation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[C3B2447A468E]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry C
http://linked.open...in/vavai/riv/obor	CH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	118
http://linked.open...iv/tvurceVysledku	Čuba, Václav Chelnokov, E. Guigner, J.-M. Le Caër, S. Mostafavi, M. Schmidhammer, U. Simeone, D.
http://linked.open...ain/vavai/riv/wos	000334730300014
issn	1932-7447
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jp501396a
http://localhost/t...ganizacniJednotka	21340

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