Výsledky vyhledávání - "Tomanec, Ondrej"

Report

Nanoporous AuPt and AuPtAg alloy co-catalysts formed by dewetting-dealloying on ordered TiO2 nanotube surface lead to significantly enhanced photocatalytic H2 generation

Autor: Nguyen, Nhat Truong, Ozkan, Selda, Tomanec, Ondrej, Zhou, Xuemei, Zboril, Radek, Schmuki, Patrik

Effective co-catalysts are of key importance for photocatalytic H2 generation from aqueous environments. An attractive co-catalyst candidate are AuPt (metastable) alloys due to the synergistic electronic and chemical interaction of the constituents i

Externí odkaz: http://arxiv.org/abs/2005.01486

Zobrazit plný text záznamu

Report

Amorphous Mo-Ta oxide nanotubes for long-term stable Mo oxide based supercapacitors

Autor: Jin, Bowen, Hejazi, Seyedsina, Pyczak, Florian, Oehring, Michael, Mohajernia, Shiva, Kment, Stepan, Tomanec, Ondrej, Zboril, Radek, Nguyen, Nhat Truong, Yang, Min, Schmuki, Patrik

With a large-scale usage of portable electric appliances, a high demand for increasingly high density energy storage devices has emerged. MoO3 has, in principle, a large potential as negative electrode material in supercapacitive devices, due to high

Externí odkaz: http://arxiv.org/abs/2005.00532

Zobrazit plný text záznamu

Report

Forming a highly active, homogeneously alloyed AuPt co-catalyst decoration on O2 nanotubes directly during anodic growth

Autor: Bian, Haidong, Nguyen, Nhat Truong, Yoo, JeongEun, Hejazi, Seyedsina, Mohajernia, Shiva, Mueller, Julian, Spiecker, Erdmann, Tsuchiya, Hiroaki, Tomanec, Ondrej, Sanabria-Arenas, Beatriz E., Zboril, Radek, Li, Yang Yang, Schmuki, Patrik

Au and Pt do not form homogeneous bulk alloys as they are thermodynamically not miscible. However, we show that anodic TiO$_2$ nanotubes (NTs) can in-situ be uniformly decorated with homogeneous AuPt alloy nanoparticles (NPs) during their anodic grow

Externí odkaz: http://arxiv.org/abs/2004.06566

Zobrazit plný text záznamu