About: Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces

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About: Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The electrochemical and spectroelectrochemical behavior ot TiO2 anatase with a predominant (001) face was studied and compared to a reference anatase material with dominating (101) face. The electrochemical measurements indicate that Li-ion insertion/extraction is facilitated for TiO2 anatase with (001) faces as compared to (101) one. The performance of both different crystal morphologies as a photoanode material in DSC (dye sensitized solar cell) was tested too. The (001) face adsorbed smaller amount of the used dye sensitizer (C101) but provides larger open circuit voltage (Uoc) of the solar cell. The different band energetics of both particular morphologies was suggested to be the reason for the voltage enhancement of the device employing (001) anatase. To prove our hypothesis and determine their flatband potential, a spectroelectrochemical study of transparent films of nanocrystalline (001) and (101) anatase on coaducting glass was carried out. UV/Vis spectra were measured at potentials between 0 and -1.4V vs SCE and confirmed the negative shift of flatband potential for (001) anatase as compared to (101) one. The electrochemical and spectroelectrochemical behavior ot TiO2 anatase with a predominant (001) face was studied and compared to a reference anatase material with dominating (101) face. The electrochemical measurements indicate that Li-ion insertion/extraction is facilitated for TiO2 anatase with (001) faces as compared to (101) one. The performance of both different crystal morphologies as a photoanode material in DSC (dye sensitized solar cell) was tested too. The (001) face adsorbed smaller amount of the used dye sensitizer (C101) but provides larger open circuit voltage (Uoc) of the solar cell. The different band energetics of both particular morphologies was suggested to be the reason for the voltage enhancement of the device employing (001) anatase. To prove our hypothesis and determine their flatband potential, a spectroelectrochemical study of transparent films of nanocrystalline (001) and (101) anatase on coaducting glass was carried out. UV/Vis spectra were measured at potentials between 0 and -1.4V vs SCE and confirmed the negative shift of flatband potential for (001) anatase as compared to (101) one. (en)
Title	Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces (en)
skos:prefLabel	Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces Electrochemical and spectroelectrochemical study of nanocrystalline TiO2 anatase with exposed (001) faces (en)
skos:notation	RIV/61388955:_____/12:00393334!RIV14-MSM-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400400804), P(KAN200100801), P(LC510), Z(AV0Z40400503)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Zukalová, Markéta Kavan, Ladislav Lásková, Barbora Bouša, Milan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	133850
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/12:00393334
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	titanium dioxide; flatband potential (en)
http://linked.open.../riv/klicoveSlovo	flatband potential titanium dioxide
http://linked.open...ontrolniKodProRIV	[AA7EEE53C46B]
http://linked.open...v/mistoKonaniAkce	Hnanice
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	New trends in application of photo and electro catalysis. Proceedings of the 4th Czech-Austrian workshop
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Supramolecular assemblies with carbon nanotubes Bioactive Biocompatible Surfaces and Novel Nanostructured Composites for Applications to Medicine and Drug Delivery
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Kavan, Ladislav Zukalová, Markéta Grätzel, M. Liska, P. Lásková, Barbora Bouša, Milan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-12-05 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoká škola chemicko-technologická v Praze
https://schema.org/isbn	978-80-7080-809-2

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