Hydrothermal Preparation of Gd3+‐Doped Titanate Nanotubes: Magnetic Properties and Photovoltaic Performance | Zendy

H. Hafez | Zendy; M. Saif | Zendy; James T. McLeskey | Zendy; M. S. A. AbdelMottaleb | Zendy; I.S. Yahia | Zendy; T. Story | Zendy; W. Knoff | Zendy

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Hydrothermal Preparation of Gd³⁺‐Doped Titanate Nanotubes: Magnetic Properties and Photovoltaic Performance

Author(s) -

H. Hafez,

M. Saif,

James T. McLeskey,

M. S. A. AbdelMottaleb,

I.S. Yahia,

T. Story,

W. Knoff

Publication year - 2009

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2009/240402

Subject(s) - materials science , algorithm , computer science

Pure and Gd3+-doped titanate nanotubes (TNTs) materials weresynthesized by a hydrothermal method. Their morphology, opticalproperties, thermal stability, and magnetic properties werecharacterized by X-ray diffraction (XRD), transmission electronmicroscope (TEM), UV-Vis spectroscopy, thermal analysis, andmagnetic measurements. It was found that doping renders Gd3+-TNT visible light active and results in smallercrystallite size and larger surface area as well as higher thermalstability compared to pure titanate nanotubes. The estimatedmagnetic moments point to presence of weak antiferromagneticinteraction. Application of the prepared Gd3+-TNT for modifying conventional photoanodes in polymersolar cells was attempted. Preliminary results show slightlyimproved photovoltaic energy conversion efficiency in the devicescontaining the newly designed Gd3+-doped nanotubes

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