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TiO 2 ‐Based Composite Nanotube Arrays Prepared via Layer‐by‐Layer Assembly
Author(s) -
Guo Y.G.,
Hu J.S.,
Liang H.P.,
Wan L.J.,
Bai C.L.
Publication year - 2005
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200305098
Subject(s) - materials science , thermogravimetric analysis , composite number , transmission electron microscopy , scanning electron microscope , photoluminescence , nanostructure , nanotechnology , spectroscopy , nanoparticle , nanotube , chemical engineering , layer (electronics) , quantum dot , energy dispersive x ray spectroscopy , nanomaterials , carbon nanotube , optoelectronics , composite material , physics , quantum mechanics , engineering
A simple and versatile technique has been developed to prepare TiO 2 and TiO 2 ‐based composite (TiO 2 –CdS and TiO 2 –Au) nanotube arrays. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy‐dispersive X‐ray (EDX) analysis, X‐ray diffraction (XRD), thermogravimetric analysis (TGA), UV‐vis spectroscopy, and photoluminescence (PL) spectroscopy are used to characterize their morphology, structure, composition, and properties. The TiO 2 –CdS nanotubes contained many TiO 2 and CdS quantum dots and exhibited a novel PL band in the blue‐wavelength range. The reported strategy will be useful for fabricating nanoparticle–nanoparticle composite nanostructure arrays, which are suitable for applications in catalysis, chemical sensors, nanoelectrodes, and nanodevices.

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