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of 314
pro vyhledávání: '"Monteiro O"'
Advanced nanomaterials with enhanced optical and photocatalytic properties for the photodegradation of organic pollutants, in particular pharmaceuticals and personal care products (PPCPs), were successfully prepared by a swift one-pot synthesis. Nano
Externí odkaz:
http://arxiv.org/abs/2201.08243
Autor:
Entradas, T. J., Cabrita, J. C., Barrocas, B., Nunes, M. R., Silvestre, A. J., Monteiro, O. C.
The synthesis of nanocomposite materials combining titanate nanofibers (TNF) with nanocrystalline ZnS and Bi2S3 semiconductors is described in this work. The TNF were produced via hydrothermal synthesis and sensitized with the semiconductor nanoparti
Externí odkaz:
http://arxiv.org/abs/1503.08693
Publikováno v:
Materials Chemistry and Physics 147 (2014) 563-571
A swift chemical route to synthesize Co-doped SnO$_2$ nanopowders is described. Pure and highly stable Sn$_{1-x}$Co$_x$O$_{2-\delta}$ (0 $\le$ x $\le$ 0.15) crystalline nanoparticles were synthesized, with mean grain sizes < 5 nm and the dopant eleme
Externí odkaz:
http://arxiv.org/abs/1312.2605
Publikováno v:
Materials Chemistry and Physics 142 (2013) 355-362
Here we report on a novel chemical route to synthesize homogenous cobalt doped titanate nanotubes (CoTNT), using an amorphous Co-doped precursor. The influence of the synthesis temperature, autoclave dwell time and metal doping on the structural and
Externí odkaz:
http://arxiv.org/abs/1308.5652
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry, 232 (2012) 50-56
Titanate nanotubes (TNT) with different sodium contents have been synthesised using a hydrothermal approach and a swift and highly controllable post-washing processes. The influence of the sodium/proton replacement on the structural and morphological
Externí odkaz:
http://arxiv.org/abs/1202.1109
Publikováno v:
Journal of Materials Science 47 (2012) 4305-4312
This paper reports on a new and swift hydrothermal chemical route to prepare titanate nanostructures (TNS) avoiding the use of crystalline TiO2 as starting material. The synthesis approach uses a commercial solution of TiCl3 as titanium source to pre
Externí odkaz:
http://arxiv.org/abs/1201.3644
Publikováno v:
Journal of Nanoscience and Nanotechnology 12 (2012) 6850
Oxide based diluted magnetic semiconductor (DMS) materials have been a subject of increasing interest due to reports of room temperature ferromagnetism in several systems and their potential use in the development of spintronic devices. However, conc
Externí odkaz:
http://arxiv.org/abs/1009.4671
Publikováno v:
Applied Physics Letters, 93 (2008) 222502 - 222504
This letter reports on the magnetic properties of Ti1-xCoxO2 anatase phase nanopowders with different Co contents. It is shown that oxygen vacancies play a fundamental role in promoting the long-range ferromagnetic order in the material studied, in a
Externí odkaz:
http://arxiv.org/abs/0809.1256
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