Rasha Ghunaim

Rasha Ghunaim
Leibniz Institute for Solid State and Materials Research Dresden | IFW Dresden · Institute for Solid State Research

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11
Publications
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63
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Publications

Publications (11)
Article
Nanosized particles of cobalt ferrite CoFe2O4 incorporated into multi-walled carbon nanotubes (CNT) have been studied as anode material for Li-ion batteries. In order to evaluate the benefits of CNT shells, the results are compared to bare CoFe2O4 nanoparticles. Electrochemical measurements by means of cyclic voltammetry and galvanostatic cycling s...
Preprint
Downsizing well-established materials to the nanoscale is a key route to novel functionalities, in particular if different functionalities are merged in hybrid nanomaterials. Hybrid carbon-based hierarchical nanostructures are particularly promising for electrochemical energy storage since they combine benefits of nanosize effects, enhanced electri...
Article
Full-text available
Downsizing well-established materials to the nanoscale is a key route to novel functionalities, in particular if different functionalities are merged in hybrid nanomaterials. Hybrid carbon-based hierarchical nanostructures are particularly promising for electrochemical energy storage since they combine benefits of nanosize effects, enhanced electri...
Article
Full-text available
In the present work, different synthesis procedures have been demonstrated to fill carbon nanotubes (CNTs) with Fe1-xNix alloy nanoparticles (x = 0.33, 0.5). CNTs act as templates for the encapsulation of magnetic nanoparticles, and provide a protective shield against oxidation as well as prevent nanoparticles agglomeration. By variation of the rea...
Article
Full-text available
In the present work, we demonstrate different synthesis procedures for filling carbon nanotubes (CNTs) with equimolar binary nanoparticles of the type Fe-Co. The CNTs act as templates for the encapsulation of magnetic nanoparticles and provide a protective shield against oxidation as well as prevent nanoparticle agglomeration. By variation of the r...
Article
Full-text available
A new type of Heusler nanoparticles of the formula Fe3Ga has been prepared by facile synthesis approaches using pre-fabricated multi-walled carbon nanotubes. The tubes act as template and coating to protect the magnetic material from oxidation and agglomeration. For the purpose of comparison, Fe3Ga bulk material was also prepared by a novel method...
Article
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The olive oil industry in Palestine is an important and widely spread one and accomplished with the release of large amounts of olive-mills wastewater. This wastewater represents a significant environmental problem due to its high phenolic content. In this work, the photocatalytic degradation of the some phenolic compounds (gallic acid, oleuropein...
Article
Full-text available
The investigation of properties of nanoparticles is an important task to pave the way for progress and new applications in many fields of research like biotechnology, medicine and magnetic storage techniques. The study of nanoparticles with ever decreasing size is a challenge for commonly employed methods and techniques. It requires increasingly co...

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