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Highly porous Pt/Al thin film electrodes on yttria stabilized zirconia electrolytes were prepared by dealloying of co-sputtered Pt/Al films. The oxygen reduction capability of the resulting electrodes was analyzed in a solid oxide fuel cell…

Electrochemical water electrolysis, which produces clean energy carriers to mitigate carbon emissions, lacks suitable, low-cost electrodes for efficient oxygen evolution reaction (OER) in alkaline water splitting. To address this challenge,…

Devising effective platinum (Pt)-free nanomaterials for catalyzing oxygen reduction reaction (ORR) is desired, but some main drawbacks still exist for commercial implementation in fuel cell systems. Herein, we present the preparation of…

Flexible electronics are attracting attention due to the increasing demand for lightweight, bendable devices that can conform to various surfaces, including human skin. Although indium tin oxide (ITO) is widely used for electrical…

Materials Science · Physics 2024-12-05 Sherjeel Mahmood Baig , Hideki Abe

The formation of a 3D network composed of free standing and interconnected Pt nanowires is achieved by a two-step method, consisting of conformal deposition of Pt by atomic layer deposition (ALD) on a forest of carbon nanotubes and…

The structural interface properties of layered Pt/Ti/SiO2/Si electrodes have been investigated using high-resolution specular and diffuse x-ray reflectivity under grazing angles. Currently this multilayer system represents a technological…

Materials Science · Physics 2007-05-23 M. Aspelmeyer , U. Klemradt , W. Hartner , H. Bachhofer , G. Schindler

We report a robust fabrication method for patterning free-standing Pt nanowires for the use as thermal anemometry probes for small-scale turbulence measurements. Using e-beam lithography, high aspect ratio Pt nanowires (~300 nm width, ~70…

The polymer of intrinsic microporosity PIM 1 is employed to disperse and deposit a Pt at titanate nanosheet photocatalyst film. The resulting microporous films allow electrolyte and oxygen permeation to give conventional oxygen reduction…

PtSe$_2$ is a promising 2D material for nanoelectromechanical sensing and photodetection in the infrared regime. One of its most compelling features is the facile synthesis at temperatures below 500 {\deg}C, which is compatible with current…

Materials Science · Physics 2023-06-08 Roman Kempt , Agnieszka Kuc , Thomas Brumme , Thomas Heine

An extremely efficient ethanol fuel cell electrode is produced by combining the large surface area of vertically oriented and highly conductive few-layer graphene sheets with electrochemically deposited palladium nanoparticles. The…

Chemical Physics · Physics 2016-10-18 Michael Höltig , Charlotte Ruhmlieb , Tobias Kipp , Alf Mews

Until now, the fabrication of electrocatalysts to guarantee long life of fuel cells and low consumption of noble metals remains a major challenge. The electrocatalysts based on metals or metal oxides which are used today are limited by the…

Pd-based anodes for alcohol oxidation suffer from surface poisoning and sluggish kinetics. Here, we developed Pd-Nb2O5/C nanocomposites to improve ethanol electrooxidation kinetics and CO tolerance in alkaline media. Orthorhombic Nb2O5…

Er-doped aluminum nitride films, containing different Er concentrations, were obtained at room temperature by reactive radio frequency magnetron sputtering. The prepared samples show a nano-columnar microstructure and the size of the…

Materials Science · Physics 2019-04-04 H. Rinnert , S. S. Hussain , Valerie Brien , P. Pigeat

Ternary transition metal nitrides (TMNs) promise to significantly expand the material design space by opening new functionality and enhancing existing properties. However, most systems have only been investigated computationally and limited…

(Ba0.6Sr0.4)(Zr0.3Ti0.7)O3 thin films were grown on IrO2 and Pt coated Si substrates. Film on Pt electrode showed large dielectric dispersion at lower frequency and on other hand film on IrO2 showed dielectric constant almost independent…

Materials Science · Physics 2010-04-19 Y. K. Vayunandana Reddy , Jerome Wolfman , Monique Gervais , Francois Gervais

Pt deposited onto a Ge(001) surface gives rise to the spontaneous formation of atomic nanowires on a mixed Pt-Ge surface after high temperature annealing. We study possible structures of the mixed surface and the nanowires by total energy…

Materials Science · Physics 2013-11-15 Danny E. P. Vanpoucke , Geert Brocks

One pot synthetic technique was used to synthesize mesoporous fullerene using highly ordered mesoporous template such as KIT6-150 and SBA-15-150. Highly ordered porous fullerene with cross linkage between the fullerene molecules was…

Materials Science · Physics 2015-03-12 Sujit K. Mondal

We have grown and characterized 30 nm thick YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) films, deposited by pulsed laser deposition on both MgO (110) and SrTiO$_3$ (001) substrates, which induce opposite strain to the superconducting layer. By…

Superconductivity · Physics 2018-03-05 Riccardo Arpaia , Eric Andersson , Edoardo Trabaldo , Thilo Bauch , Floriana Lombardi

We present a transparent conducting electrode composed of a periodic two-dimensional network of silver nanowires. Networks of Ag nanowires are made with wire diameters of 45-110 nm and pitch of 500, 700 and 1000 nm. Anomalous optical…

Optics · Physics 2013-01-22 Jorik van de Groep , Pierpaolo Spinelli , Albert Polman

Platinum, Silver-Platinum embedded Zirconia (Pt/Ag-Pt ZrO2) thin films have been fabricated on silicon wafers and glass substrates using the plasma co-sputtering method. Zirconia thin films are of significant technological importance due to…

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