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Ta3N5/Co(OH)x composites as photocatalysts for photoelectrochemical water splitting 
Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Jensen, Ingvild Julie Thue; Grandcolas, Mathieu; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / SubmittedVersion, 2019)
Ta3N5 nanotubes (NTs) were obtained from nitridation of Ta2O5 NTs, which were grown directly on Ta foil through a 2-step anodization procedure. With Co(OH)x decoration, a photocurrent density as high as 2.3 mA cm−2 (1.23 ...
Hydrogen from wet air and sunlight in a tandem photoelectrochemical cell 
Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Vøllestad, Einar; Ruan, Qiushi; Tang, Junwang; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
A solid-state photoelectrochemical (SSPEC) cell is an attractive approach for solar water splitting, especially when it comes to monolithic device design. In a SSPEC cell the electrodes distance is minimized, while the use ...
High performance and toxicity assessment of Ta3N5 nanotubes for photoelectrochemical water splitting 
Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Risbakk, Sanne; Yang, Mingyi; Backe, Paul Hoff; Grandcolas, Mathieu; Bjørås, Magnar; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
In this work, Co-based cocatalysts are electrodeposited on mesoporous Ta3N5 nanotubes. The electrodeposition time is varied and the optimized photoelectrode reaches a photocurrent density of 6.3 mA/cm2 at 1.23 V vs. SHE, ...
Earth-Abundant Electrocatalysts in Proton Exchange Membrane Electrolyzers 
Sun, Xinwei; Xu, Kaiqi; Fleischer, Christian; Liu, Xin; Grandcolas, Mathieu; Strandbakke, Ragnar; Bjørheim, Tor Svendsen; Norby, Truls Eivind; Chatzitakis, Athanasios Eleftherios (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
In order to adopt water electrolyzers as a main hydrogen production system, it is critical to develop inexpensive and earth-abundant catalysts. Currently, both half-reactions in water splitting depend heavily on noble metal ...
Assessing the photoelectrochemical properties of C, N, F codoped TiO2 nanotubes of different lengths 
Chatzitakis, Athanasios Eleftherios; Grandcolas, Mathieu; Xu, Kaiqi; Mei, Sen; Yang, Juan; Jensen, Ingvild Julie Thue; Simon, Christian; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)
The aim of this work has been the photoelectrochemical (PEC) study of nanostructured photoanodes based on TiO2. Highly ordered and well adhered TiO2 nanotubes (TNTs) of different lengths (∼2–20 μm) were prepared in a ...
 
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Date Issued2019 (3)2018 (1)2017 (1)Document Type
Tidsskriftartikkel (5)
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Chatzitakis, Athanasios Eleftherios (5)
Norby, Truls Eivind (5)
Xu, Kaiqi (5)Grandcolas, Mathieu (4)Jensen, Ingvild Julie Thue (2)... View MorePeer ReviewedPeer reviewed (3)
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