Electro- and Photoelectrochemistry on TiO2-based Nanorod Arrays via Anodizing Al/Ti and Al/TiNx Layers

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F17%3APU126273" target="_blank" >RIV/00216305:26620/17:PU126273 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Electro- and Photoelectrochemistry on TiO2-based Nanorod Arrays via Anodizing Al/Ti and Al/TiNx Layers

Popis výsledku v původním jazyce

Nowadays, many research efforts are dedicated to developing advanced materials for photoelectrochemical (PEC) splitting of water into oxygen and hydrogen. One of the materials investigated widely for this application is titanium dioxide. TiO2 in the form of nanowire or nanorod arrays may lead to a substantial increase in the PEC activity compared with that of flat films due to the decoupling of the relatively long light penetration depth from the relatively short minority carrier pathway. On the other hand, critically small nanostructures may become in the flat-band condition, having no depletion layer necessary for effective charge carrier separation. Thus, an adjusted ratio of the nanorod size and its doping concentration leading to a depletion layer of an optimum thickness, occupying a big portion of the nanorod itself, may lead to charge separation taking place in a substantial portion of the nanorod volume, which is expected to increase the PEC response [1]. In this work, we report on the investi

Název v anglickém jazyce

Electro- and Photoelectrochemistry on TiO2-based Nanorod Arrays via Anodizing Al/Ti and Al/TiNx Layers

Popis výsledku anglicky

Nowadays, many research efforts are dedicated to developing advanced materials for photoelectrochemical (PEC) splitting of water into oxygen and hydrogen. One of the materials investigated widely for this application is titanium dioxide. TiO2 in the form of nanowire or nanorod arrays may lead to a substantial increase in the PEC activity compared with that of flat films due to the decoupling of the relatively long light penetration depth from the relatively short minority carrier pathway. On the other hand, critically small nanostructures may become in the flat-band condition, having no depletion layer necessary for effective charge carrier separation. Thus, an adjusted ratio of the nanorod size and its doping concentration leading to a depletion layer of an optimum thickness, occupying a big portion of the nanorod itself, may lead to charge separation taking place in a substantial portion of the nanorod volume, which is expected to increase the PEC response [1]. In this work, we report on the investi

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Projekt

<a href="/cs/project/GJ15-23005Y" target="_blank" >GJ15-23005Y: Vytváření a vlastnosti polí nanosloupků založených na TiO2 za využití anodické oxidace dopovaných vrstev titanu pomocí porézní aluminy</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů