α-Fe2 O3 /TiO2 stratified photoanodes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43916491" target="_blank" >RIV/60461373:22310/18:43916491 - isvavai.cz</a>
Alternative codes found
RIV/68378271:_____/18:00500948 RIV/60461373:22350/18:43916491
Result on the web
<a href="https://reader.elsevier.com/reader/sd/pii/S1010603017316337?token=E930FAC9B5032D52243EFDF14B747586796D2516F1369F596B5203305634EF8A5349FE136BC03D9C03687A1AA5FAEE0D" target="_blank" >https://reader.elsevier.com/reader/sd/pii/S1010603017316337?token=E930FAC9B5032D52243EFDF14B747586796D2516F1369F596B5203305634EF8A5349FE136BC03D9C03687A1AA5FAEE0D</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jphotochem.2018.03.015" target="_blank" >10.1016/j.jphotochem.2018.03.015</a>

Result language
angličtina
Original language name
α-Fe2 O3 /TiO2 stratified photoanodes
Original language description
Bilayer α-Fe2O3/TiO2 thin films were prepared with the aim of minimising photocorrosion of hematite. Conductive fluorine doped tin oxide (FTO)/glass was used as substrate for successive deposition of (i) α-Fe2O3 layers by high-power impulse magnetron sputtering (HIPIMS) and (ii) TiO2 (sol-gel method using dip-coating). The influence of annealing temperature (250–750 °C) and hematite layer thickness on the photoelectrochemical performance was evaluated. Hematite films on FTO substrates, calcined at 650 °C or 750 °C show increased photoelectrochemical response due to doping by Sn diffusion from the substrate. The photoresponse decreases with increasing thickness from 20 to 100 nm due to incomplete doping of the bulk. For bilayer hematite/TiO2 films, the visible light photoresponse is higher than that for the single hematite film which is ascribed to suppression of surface recombination at the Fe2O3/electrolyte junction by capping with TiO2. The Faradaic efficiency of the photocorrosion reaction was found to be 0.8% for an unprotected hematite electrode and decreased to 0.1% for a hematite electrode covered with a 65 nm thick layer of TiO2, thus proving the beneficial role of TiO2 in protecting hematite against photocorrosion
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Project
<a href="/en/project/GA17-20008S" target="_blank" >GA17-20008S: Novel photocathode and photoanode materials for solar water splitting</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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