Polymer-assisted deposition of metal-oxide films

Jia, Quanxi; Jain, M.; Burrell, Anthony K.; McCleskey, T. Mark; Lin, Ying‐Dar

doi:10.1109/isaf.2008.4693854

Cited by 3 publications

(5 citation statements)

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“…The method used here to prepare CoMoO 4 is polymer-assisted chemical solution method [36,37]. In the solution, soluble polymers bind to the metal ions to prevent premature precipitation.…”

Section: Resultsmentioning

confidence: 99%

Preparation of Mesoporous Silica-Supported Palladium Catalysts for Biofuel Upgrade

Ling

Reddy

Hill

et al. 2012

Journal of Nanotechnology

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We report the preparation of two hydrocracking catalysts Pd/CoMoO 4 /silica and Pd/CNTs/CoMoO 4 /silica (CNTs, carbon nanotubes). The structure, morphologies, composition, and thermal stability of catalysts were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), Raman spectroscopy, transmission electron microscopy (TEM), energy-dispersive X-ray (EDX), and thermogravimetric analysis (TGA). The catalyst activity was measured in a Parr reactor with camelina fatty acid methyl esters (FAMEs) as the feed. The analysis shows that the palladium nanoparticles have been incorporated onto mesoporous silica in Pd/CoMoO 4 /silica or on the CNTs surface in Pd/CNTs/CoMoO 4 /silica catalysts. The different combinations of metals and supports have selective control cracking on heavy hydrocarbons.

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“…The method used here to prepare CoMoO 4 is polymer-assisted chemical solution method [36,37]. In the solution, soluble polymers bind to the metal ions to prevent premature precipitation.…”

Section: Resultsmentioning

confidence: 99%

Preparation of Mesoporous Silica-Supported Palladium Catalysts for Biofuel Upgrade

Ling

Reddy

Hill

et al. 2012

Journal of Nanotechnology

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“…Ultrafiltration was carried out under 60 psi nitrogen pressure using Amicon-stirred cells that have a 3,000 molecular weight cutoff. In details, 2 g of NbCl 5 were converted to Nb(OH) 5 by adding ammonium hydroxide into the solution. The Nb(OH) 5 was then dissolved in 30 ml of deionized water and 7.5 ml of H c2 // CNTs (0°)…”

Section: Methodsmentioning

confidence: 99%

“…Here for the first time in the field, we report the integration of superconducting NbC with the highly aligned CNT forests using a chemical solution approach 5 . The formation of superconducting NbC coating on the CNT forests does not destroy the microstructure of CNTs.…”

mentioning

confidence: 99%

Highly aligned carbon nanotube forests coated by superconducting NbC

et al. 2011

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The formation of carbon nanotube and superconductor composites makes it possible to produce new and/or improved functionalities that the individual material does not possess. Here we show that coating carbon nanotube forests with superconducting niobium carbide (nbC) does not destroy the microstructure of the nanotubes. nbC also shows much improved superconducting properties such as a higher irreversibility and upper critical field. An upper critical field value of ~5 T at 4.2 K is much greater than the 1.7 T reported in the literature for pure bulk nbC. Furthermore, the aligned carbon nanotubes induce anisotropy in the upper critical field, with a higher upper critical field occurring when the magnetic field is parallel to the carbon nanotube growth direction. These results suggest that highly oriented carbon nanotubes embedded in superconducting nbC matrix can function as defects and effectively enhance the superconducting properties of the nbC.

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“…Hence, so far, there is not enough information regarding the WC stability under oxidizing conditions. A different carbide support was recently proposed by Elbaz et al [30], who used the polymer-assisted deposition (PAD) method developed for the synthesis of nanoparticles by Jia et al [31], for the synthesis of molybdenum carbide. They were able to form a Mo2C/C composite which, similarly to the WC, showed enhanced catalytic activity to ORR.…”

Section: Carbidesmentioning

confidence: 99%

“…In a recent study [13], the synthesis of high surface area TiO2 and TiO composite materials in a single step was presented. The high surface area conductive titanium oxide was successfully synthesized using the polymer-assisted deposition technique [31]. The TiO2 and TiO nano-crystalline materials were formed with an average crystallite size on the order of 4 and 8 nm and a BET surface area of 286 and 200 m 2 /g for TiO and TiO2, respectively.…”

Section: Titanium Oxidementioning

confidence: 99%

Advances in Ceramic Supports for Polymer Electrolyte Fuel Cells

Lori

Elbaz

2015

Catalysts

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Durability of catalyst supports is a technical barrier for both stationary and transportation applications of polymer-electrolyte-membrane fuel cells. New classes of non-carbon-based materials were developed in order to overcome the current limitations of the state-of-the-art carbon supports. Some of these materials are designed and tested to exceed the US DOE lifetime goals of 5000 or 40,000 hrs for transportation and stationary applications, respectively. In addition to their increased durability, the interactions between some new support materials and metal catalysts such as Pt result in increased catalyst activity. In this review, we will cover the latest studies conducted with ceramic supports based on carbides, oxides, nitrides, borides, and some composite materials.

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Polymer-assisted deposition of metal-oxide films

Cited by 3 publications

References 0 publications

Preparation of Mesoporous Silica-Supported Palladium Catalysts for Biofuel Upgrade

Preparation of Mesoporous Silica-Supported Palladium Catalysts for Biofuel Upgrade

Highly aligned carbon nanotube forests coated by superconducting NbC

Advances in Ceramic Supports for Polymer Electrolyte Fuel Cells

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