Ta Ngoc Dung
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View article: Facile synthesis Cu2O nanomaterials via hydrothermal method: Effect of precursors ratio on structural and morphological characteristics
Facile synthesis Cu2O nanomaterials via hydrothermal method: Effect of precursors ratio on structural and morphological characteristics Open
The single phase Cu2O nanomaterials had been fabricated via facile hydrothermal method using non-toxic precursors of CuSO4.5H2O and Na2SO3 (then, the CuSO4 0.3M and Na2SO3 0.3M solution are mixed with volume ratios of 1:5, 1:6, 1:7 and 1:1…
View article: Green method for preparation ZnO nanoparticles using red peony leaves extracts
Green method for preparation ZnO nanoparticles using red peony leaves extracts Open
The source of clean, dry red peony leaves has been carefully packaged and preserved. Then the red peony leaves were extracted to get the extracts solution at the optimum extraction temperature, extraction time and leaves sample weight. The…
View article: Solvent casting‐particulate leaching synthesis of a <scp>nano‐SiO<sub>2</sub></scp>/chitosan composite scaffold for potential use in bone tissue engineering
Solvent casting‐particulate leaching synthesis of a <span>nano‐SiO<sub>2</sub></span>/chitosan composite scaffold for potential use in bone tissue engineering Open
In this work, a three‐dimensional (3D) scaffold comprised of chitosan and SiO 2 nanoparticles (NPs) (CS/SiO 2 ) was synthesized for bone tissue engineering. The scaffold was synthesized using a combination of solvent casting and salt leach…
View article: Structural, Optical and Photocatalytic Properties of Cu&lt;sup&gt;2+&lt;/sup&gt; Doped ZnO Nanorods with Using HMTA Solvent Prepared by Hydrothermal Method
Structural, Optical and Photocatalytic Properties of Cu<sup>2+</sup> Doped ZnO Nanorods with Using HMTA Solvent Prepared by Hydrothermal Method Open
In this experiment, Cu2+ doped ZnO (Cu-ZnO) nanorods materials have been fabricated by hydrothermal method. Cu2+ ions were doped into ZnO with ratios of 2, 5 and 7 mol.% (compared to the mole’s number of Zn2+). The hexamethylenetetramine (…
View article: Study the effects of P<sub>2</sub>O<sub>5</sub> mineralization additives on cement clinker quality at low calcination temperature 1300<sup>o</sup>C and 1400<sup>o</sup>C
Study the effects of P<sub>2</sub>O<sub>5</sub> mineralization additives on cement clinker quality at low calcination temperature 1300<sup>o</sup>C and 1400<sup>o</sup>C Open
In this study, the cement clinker was mixed with P2O5 mineralization additives with the rate of 1.0% and 2.0% (compared to the content of cement clinker without P2O5 mineralization additives which was called the control sample) and then th…
View article: Chế tạo vật liệu nanocomposit ZnO@Cu2O bằng phương pháp thủy nhiệt - cấu trúc và các đặc tính của vật liệu
Chế tạo vật liệu nanocomposit ZnO@Cu2O bằng phương pháp thủy nhiệt - cấu trúc và các đặc tính của vật liệu Open
The ZnO@Cu 2 O nanocomposites (50 mol% ZnO doped Cu 2 O nanomaterials) and Cu 2 O comparative nanomaterials were fabricated by hydrothermal method.The structural properties and characterization of the materials were investigated by physica…
View article: Effects of Triisopropanolamine and Triethanolamine on Some Properties of Portland Cement
Effects of Triisopropanolamine and Triethanolamine on Some Properties of Portland Cement Open
One of the most interesting topics relevant to Portland cement that has attracted many researchers’ interest is finding the solution for enhancing the strength of Portland cement, especially strength in early age. Using additives for enhan…
View article: Synthesis of Cu<sub>2</sub>O and Cu<sub>2</sub>O-C<sub>3</sub>N<sub>4</sub> nanomaterials for the photodegradation of organic dyes under visible light irradiation
Synthesis of Cu<sub>2</sub>O and Cu<sub>2</sub>O-C<sub>3</sub>N<sub>4</sub> nanomaterials for the photodegradation of organic dyes under visible light irradiation Open
These experiment fabricated C3N4 powdermaterials by the calcinational method and fabricated Cu2O, Cu2O-3%C3N4, Cu2O-5%C3N4 nanomaterials by the hydrothermal method. The powdermaterials characteristics were studied by methods such as: X-ray…
View article: Effect of hexamethylene tetramine (HMTA) surfactant on the structural characteristics and photocatalytic activity of Cu-ZnO nanoparticle materials fabricated by the hydrothermal method
Effect of hexamethylene tetramine (HMTA) surfactant on the structural characteristics and photocatalytic activity of Cu-ZnO nanoparticle materials fabricated by the hydrothermal method Open
The experiment had fabricated and studied the properties of ZnO and Cu doped ZnO nanoparticles with the change of the hexamethylene tetramine surfactant content (HMTA) with molar ratio Zn2 +: HMTA = 1: x; x = 1, 2 and 4. The methods were u…
View article: Green synthesis of cuprous oxide (Cu<sub>2</sub>O) nano particles using aloe vera plant
Green synthesis of cuprous oxide (Cu<sub>2</sub>O) nano particles using aloe vera plant Open
In the present work, a green synthesis of cuprous oxide nanoparticles was demonstrated using the freshly prepared aqueous extract of the aloe vera plant and the cupper oxide nanoparticles were characterized by the analytical techniques suc…
View article: Characterization of Co<sup>2+</sup>- and Fe<sup>3+</sup>-Codoped TiO<sub>2</sub> Nanomaterials for Photocatalytic Degradation of Organic Pollutants under Visible Light Irradiation
Characterization of Co<sup>2+</sup>- and Fe<sup>3+</sup>-Codoped TiO<sub>2</sub> Nanomaterials for Photocatalytic Degradation of Organic Pollutants under Visible Light Irradiation Open
In this study, TiO 2 nanomaterials were prepared using a solvothermal method and codoped with Co 2+ and Fe 3+ ions for the photocatalytic degradation of organic pollutants under visible light. The physicochemical properties of the obtained…
View article: Studying effect of temperature on to formation and red congo absorption ability of cupper oxide
Studying effect of temperature on to formation and red congo absorption ability of cupper oxide Open
Cuprous oxide nanoparticles (Cu2O) were prepared by a one-step reduction method at 65, 70 and 85oC temperature. The Cu2O nanoparticles were characterized by XRD, Raman, SEM and EDS techniques, respectively. The adsorption removal of red co…
View article: Study on Fabrication and investigation of the effects of copper salt precursor with different anions SO42-, Cl-, CH3COO- and NO3- on the structure and photocatalytic properties for decomposition of methyl orange dye of octahedral Cu2O nanoparticles
Study on Fabrication and investigation of the effects of copper salt precursor with different anions SO42-, Cl-, CH3COO- and NO3- on the structure and photocatalytic properties for decomposition of methyl orange dye of octahedral Cu2O nanoparticles Open
The octahedra single-phase Cu2O nanoparticles were fabricated from copper salts precursors with different anions including SO42-, Cl-, CH3COO- and NO3-. The prepared materials were characterized by: XRD, Raman shift, SEM, solid UV-vis abso…
View article: Cu<sub>2</sub>O Nanoparticles: A Simple Synthesis, Characterization and Its Photocatalytic Performance toward Methylene Blue
Cu<sub>2</sub>O Nanoparticles: A Simple Synthesis, Characterization and Its Photocatalytic Performance toward Methylene Blue Open
Cuprous oxide nanoparticles (Cu2O-NPs) were fabricated by a simple solution-phase reduction route with a one-step reduction method. The used original chemicals were the copper sulfate and the sodium sulfite. The physicochemical properties …
View article: Research Synthesis of La3+ Doped TiO2 Nanoparticles by Hydrothermal Method, Study on Photocatalytic Activity of Decomposition of Methylene Blue under Ultraviolet Irradiation
Research Synthesis of La3+ Doped TiO2 Nanoparticles by Hydrothermal Method, Study on Photocatalytic Activity of Decomposition of Methylene Blue under Ultraviolet Irradiation Open
In this study, with the aim of improving the photocatalytic efficiency of TiO2, we studied the synthesis of La3+ doped TiO2 (with doped rates 1%, 2.5%, 5% mol/mol compared to Ti4+) by hydrothermal method. The hydrothermal condition was set…