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tio2 prepared by high energy ball milling

Fe- and Eu-doped TiO2 Photocatalytical Materials

2009-4-7  TiO2 nanopowders, doped with Fe3+ and Eu3+ were obtained by high-energy ball milling and their physical properties were investigated as a function of the doping content and ball milling time. A noticeable red shift and high photoactivity in the degradation and catalytic oxidation reactions of styrene and phenol were found for all doped specimens.

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Preparation by High-Energy Milling, Characterization, and

2019-5-26  Titanium dioxide (TiO2) is widely used for applications in heterogeneous photocatalysis. We prepared nanocrystalline powders of the anatase as well as the rutile modification by high-energy ball milling of the coarse grained source materials for up to 4 h. The resulting average grain size was about 20 nm. The morphology of the powders was investigated with transmission electron microscopy, X

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tio2 prepared by high energy ball milling

home; tio2 prepared by high energy ball milling; tio2 prepared by high energy ball milling. Irondoped TiO 2 nanoparticles were prepared by ball milling of TiO 2 powders nanometer size in a highenergy Planetary Ball Mill PM 4002 RETSCH Germany in the presence of ne Fe powder Milling was done at room temperature in a polytetrauoroethylene PTFE vial volume about 35 cm3 using ten hardened steel

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Tailoring materials by high-energy ball milling: TiO2

2020-9-1  Titanium oxide (IV) of 99% purity (Biopack) was used as starting material. High-energy ball milling was carried out in a planetary ball mill (Fritsch Pulverisette 6) provided with an 80 cm 3 WC vial and 15 mm WC balls. The ball to powder mass ratio (BPR) was fixed at 35:1 and milling was done under air at rotational speeds of 350 and 500 rpm.

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(Ti,W)C–Ni cermet prepared by high-energy ball milling

2014-6-1  A single-phase (Ti,W)C solid solution was prepared by high-energy ball milling of TiO 2 –Ti–WO 3 –C powder mixtures with various TiO 2 /Ti ratios and subsequent carbothermal reduction. Thermodynamic calculations suggest that the reaction pathways would follow the sequences WO 3 →WC, TiO 2 →Ti 2 O 3, Ti(CO)→TiC, Ti 2 O 3 →TiC, and TiC+WC→(Ti,W)C. The reaction pathways

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Evolution of Structural and Optical Properties in TiO2

Request PDF Evolution of Structural and Optical Properties in TiO2 Nanoparticles Prepared by High-Energy Ball Milling A series of TiO2 powder in anatase form was ball milled at a speed of 300

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Photocatalytic antibacterial properties of copper doped

2020-7-1  TiO 2 nanopowders and Cu-doped TiO 2 were prepared by high-energy ball milling and characterized by X-ray diffraction (XRD), UV–vis diffuse reflectance (UV–vis DRS) spectra, a scanning electron microscope (SEM), an energy dispersive spectrum (EDS) and an X-ray photoelectron spectrometer (XPS) to study the effect of Cu doping amount, milling time and balls-to-powder ratio on

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Characterization and high pollutant removal ability of

Buoyant carbon and nitrogen co-doped TiO 2 /polytetrafluoroethylene (NCT/PTFE) flakes which meet these requirements were prepared by the high-energy ball-milling of NCT powder and PTFE. The physicochemical properties of the as-prepared composite

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Synthesis, structure and sinterability of 6061 AA100−x–x

2010-2-18  Manufacturing of 6061 Al alloy reinforced with different weight percentages of TiO 2 metal matrix composite powder through low-energy and high-energy ball milling for microcomposites and nanocomposites respectively followed by cold uniaxial compaction and sintering was investigated. The milled powder was characterized by X-ray diffraction, scanning electron microscopy, high-resolution

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Frequency and temperature dependent electrical

2017-8-24  CaTiO3 ceramic powders were prepared by high-energy ball milling technique. In this technique, CaO (99.9%) and TiO2 (99.95%) were used as starting materials. Stoichiometric amounts of these materials were weighed. The high-energy ball milling of these weighed powders was done in Retsch High Energy ball mill. Initially, the weighed powders were mixed in tungsten carbide vial with tungsten carbide balls (10 mm in diameter) as milling media for 30 min at 100 rpm. The ball-to-powder ratio (BPR) was maintained at 20:1 by weight. Then it was increased to 300 rpm and high-energy milling

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Fe- and Eu-doped TiO2 Photocatalytical Materials

TiO2 nanopowders, doped with Fe3+ and Eu3+ were obtained by high-energy ball milling and their physical properties were investigated as a function of the doping content and ball milling time.

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tio2 prepared by high energy ball milling

home; tio2 prepared by high energy ball milling; tio2 prepared by high energy ball milling. Irondoped TiO 2 nanoparticles were prepared by ball milling of TiO 2 powders nanometer size in a highenergy Planetary Ball Mill PM 4002 RETSCH Germany in the presence of ne Fe powder Milling was done at room temperature in a polytetrauoroethylene PTFE vial volume about 35 cm3 using ten hardened steel

get price

Preparation by High-Energy Milling, Characterization, and

2019-5-26  Titanium dioxide (TiO2) is widely used for applications in heterogeneous photocatalysis. We prepared nanocrystalline powders of the anatase as well as the rutile modification by high-energy ball milling of the coarse grained source materials for up to 4 h. The resulting average grain size was about 20 nm. The morphology of the powders was investigated with transmission electron microscopy, X

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Tb_4O_7-TiO_2 Mixture Powders Prepared by High Energy

The nanocrystalline powders of Tb_4O_7-18wt%Ti O_2 were prepared by high energy ball milling. Systematical investigations were carried out on microstructure, particle and grain size, lattice distortion and morphology of the Tb_4O_7-18wt%Ti O_2 milled powders using laser particle analyzer, X-ray diffraction, transmission electron microscopy and scanning electron microscopy.

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Preparation of ultrafine V2O5-TiO2 composite oxide

Request PDF Preparation of ultrafine V2O5-TiO2 composite oxide catalyst by high-energy ball milling method The ultrafine V2O5-TiO2 composite oxide particles have been prepared by the high

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Synthesis, structure and sinterability of 6061 AA 100− x

Request PDF Synthesis, structure and sinterability of 6061 AA 100− x x wt.% TiO 2 composites prepared by high-energy ball milling Manufacturing of 6061 Al alloy reinforced with different

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Influence of nickel doping on the structural, optical and

2017-6-14  In the present work, Ni-doped TiO2 samples have been successfully prepared by high energy ball milling at different milling time. The structural, optical and magnetic properties of the samples prepared at varying time intervals were studied using X-ray diffractometer (XRD), Scanning electron microscope (SEM), Fourier transform infrared spectrometer (FTIR), UV–Visible spectrophotometer

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(PDF) 130-fold enhancement of TiO2 photocatalytic

The samples were prepared by high-energy ball milling of a P-25 titania powder with various amounts of hexamethylenetetramine (HMT) under different milling conditions at around room temperature.

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Photocatalytic improvement of Y3+ modified TiO2

2019-5-10  Semiconductor photocatalysis is an advanced oxidation process driven by solar energy which has widespread applications in the treatment of organic pollutants in liquid and gas phases. In this work, titanium dioxide nanoparticles modified with yttrium ions (Y3+) were prepared by a ball milling

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Photocatalytic improvement of Y3+ modified TiO2

2019-5-10  Semiconductor photocatalysis is an advanced oxidation process driven by solar energy which has widespread applications in the treatment of organic pollutants in liquid and gas phases. In this work, titanium dioxide nanoparticles modified with yttrium ions (Y3+) were prepared by a ball milling

get price

Preparation by High-Energy Milling, Characterization, and

2019-5-26  Titanium dioxide (TiO2) is widely used for applications in heterogeneous photocatalysis. We prepared nanocrystalline powders of the anatase as well as the rutile modification by high-energy ball milling of the coarse grained source materials for up to 4 h. The resulting average grain size was about 20 nm. The morphology of the powders was investigated with transmission electron microscopy, X

get price

Photocatalytic improvement of Y3+ modified TiO2

2019-5-10  Semiconductor photocatalysis is an advanced oxidation process driven by solar energy which has widespread applications in the treatment of organic pollutants in liquid and gas phases. In this work, titanium dioxide nanoparticles modified with yttrium ions (Y3+) were prepared by a ball milling

get price

X-ray diffraction and Mssbauer spectroscopy of high

α –Fe 2 O 3 /TiO 2 Composite powders have been prepared by high energy ball-milling for different times. The composites were studied using Mssbauer Spectroscopy (MS) and X-ray diffraction (XRD). The patterns of XRD show broadening in the diffraction peaks, indicating a decrease in the particle size of the composites with milling time.

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Fe- and Eu-doped TiO2 Photocatalytical Materials

TiO2 nanopowders, doped with Fe3+ and Eu3+ were obtained by high-energy ball milling and their physical properties were investigated as a function of the doping content and ball milling time.

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Influence of nickel doping on the structural, optical and

2017-6-14  In the present work, Ni-doped TiO 2 samples have been successfully prepared by high energy ball milling at different milling time. The structural, optical and magnetic properties of the samples prepared at varying time intervals were studied using X-ray diffractometer (XRD), Scanning electron microscope (SEM), Fourier transform infrared spectrometer (FTIR), UV–Visible spectrophotometer

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Structure and catalytic behaviour of CuO–CeO2 prepared

2019-2-6  High-energy vibratory ball milling (Super-Misuni, Nissin Giken Co. Ltd.) was employed, with a rotational speed of 710 r.p.m., where the milling atmosphere was ambient. The powders and zirconia balls (ϕ10 mm) were charged in a stainless steel vial (ϕ100 mm), where the ball-to-powder weight ratio was 18 : 1 (18 g balls

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Photocatalytic improvement of Y3+ modified TiO2

Semiconductor photocatalysis is an advanced oxidation process driven by solar energy which has widespread applications in the treatment of organic pollutants in liquid and gas phases. In this work, titanium dioxide nanoparticles modified with yttrium ions (Y3+) were prepared by a ball milling method. The effects of Y3+ mole fraction, ball-to-powder weight ratio, milling time and milling rate

get price

Influence of nickel doping on the structural, optical and

In the present work, Ni-doped TiO2 samples have been successfully prepared by high energy ball milling at different milling time. The structural, optical and magnetic properties of the samples prepared at varying time intervals were studied using X-ray diffractometer (XRD), Scanning electron microscope (SEM), Fourier transform infrared spectrometer (FTIR), UV–Visible spectrophotometer (UV

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CsPbBr3 nanocrystals prepared by high energy ball milling

2021-3-1  CsPbBr3 nanocrystals prepared by high energy ball milling in one-step and structural transformation from CsPbBr3 to CsPb2Br5 Applied Surface Science ( IF 6.707) Pub Date : 2021-03-01, DOI: 10.1016/j.apsusc.2020.148782

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Characterization and high pollutant removal ability of

Characterization and high pollutant removal ability of buoyant (C, N)─TiO2/PTFE flakes prepared by high-energy ball-milling

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