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Relevant bibliographies by topics / ZrO2-TiO2

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Journal articles

Academic literature on the topic 'ZrO2-TiO2'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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Journal articles on the topic "ZrO2-TiO2"

1

Tachibana, Takashi, Tomohisa Yoshioka, Keizo Nakagawa, Takuji Shintani, Eiji Kamio, and Hideto Matsuyama. "Gas Permeation Characteristics of TiO2-ZrO2-Aromatic Organic Chelating Ligand (aOCL) Composite Membranes." Membranes 10, no. 12 (2020): 388. http://dx.doi.org/10.3390/membranes10120388.

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Methyl gallate (MG) and ethyl ferulate (EF) with a benzene ring were separately used as aromatic organic chelating ligands (aOCLs) to prepare two versions of TiO2-ZrO2-aOCL composite sols via hydrolysis and polycondensation reactions with titanium(IV) isopropoxide (Ti(OC3H7)4) and zirconium(IV) butoxide (Zr(OC4H9)4). Thermogravimetric and FT-IR analysis of dry gels revealed that aromatic rings were present in the residual organic matter when the gel was fired under nitrogen at 300 °C. In X-ray diffraction (XRD) measurements, the TiO2-ZrO2 composite material prepared using these two aOCLs showe

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2

Yao, Bing Hua, Xiu Ping Han, Ying Lü, Chao Peng, and Cheng Jie Zhang. "Hydrothermal Synthesis and Photocatalytic Activity of TiO₂-ZrO₂ Hybrid Composite Microspheres ." Materials Science Forum 852 (April 2016): 257–63. http://dx.doi.org/10.4028/www.scientific.net/msf.852.257.

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The hollow TiO2-ZrO2 hybrid composite microspheres were successfully synthesized by hard template-hydrothermal method. The resulting materials were characterized by SEM, XRD, DRS, FT-IR and BET techniques. The results showed that the TiO2-ZrO2 hybrid composite microspheres with hollow structure were piled by TiO2 (anatase) and ZrO2 (monoclinic) hybrid nanoparticles. The specific surface area and the average pore size of the as-prepared samples were determined to be 224.6 m2/g and 4.159 nm, respectively. The photocatalytic activity of the samples was also evaluated by degradation of methylene b

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3

Lu, Xi Ning, and Cun Yi Song. "The Study of the MnOx/TiO₂-ZrO₂ Used in the Sintering Flue Gas Low-Temperature Selective Catalytic Reaction." Advanced Materials Research 641-642 (January 2013): 551–56. http://dx.doi.org/10.4028/www.scientific.net/amr.641-642.551.

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TiO2, 50%TiO2-ZrO2 and 80%TiO2-ZrO2 were prepared by sol-gel method. The manganese oxides were impregnated on the carrier and the catalysts were used for low-temperature selective catalytic reduction of NOx with ammonia (NH3-SCR) in the presence of excess O2. The samples were characterized by X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM). The results showed that the particle size of 80%TiO2-ZrO2 is the smallest among the three kind of carrier and the particles are highly dispersed. By adding the ZrO2, the Zr4+ ions replaced the lattice Ti4+ ions, and thus caused lattice distor

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4

Manriquez, M. E., M. Picquart, X. Bokhimi, T. López, P. Quintana, and J. M. Coronado. "X-Ray Diffraction, and Raman Scattering Study of Nanostructured ZrO2-TiO2 Oxides Prepared by Sol–Gel." Journal of Nanoscience and Nanotechnology 8, no. 12 (2008): 6623–29. http://dx.doi.org/10.1166/jnn.2008.18436.

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In the present work, we study the phase composition of ZrO2-TiO2 system by means of XRD and Raman spectroscopy, using also TG-ATD, and N2 adsorption isotherms as complementary characterization techniques. TiO2-ZrO2 samples of selected compositions (0, 10, 90, 50 and 100% in weight of TiO2) were prepared by sol–gel method and annealed at three different temperatures (400, 600 and 800 °C). Structural characterization reveals that only the pure oxides are crystalline at 400 °C: TiO2 as anatasa with a minor brookite component, and ZrO2 as a mixture of tetragonal (majority) and monoclinic phases. F

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5

Dini, Fitriyah Wulan, Helmiyati Helmiyati, and Yuni K. Krisnandi. "Cellulose and TiO2–ZrO2 Nanocomposite as a Catalyst for Glucose Conversion to 5-EMF." Bulletin of Chemical Reaction Engineering & Catalysis 16, no. 2 (2021): 320–30. http://dx.doi.org/10.9767/bcrec.16.2.10320.320-330.

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This work demonstrated the use of green material catalysts, produced from Sengon sawdust waste, to obtain nanocellulose biopolymers. The green material catalysts were utilized as catalysts support of TiO2−ZrO2 binary oxide in the form of nanocomposite materials with superior synergistic properties. The isolation of nanocellulose was achieved using a hydrolysis method with a yield of 63.40%. The TiO2 and ZrO2 nanoparticles have average particle sizes of around 25 and 15 nm, respectively, and the binary oxides of TiO2–ZrO2 pretained an average particle size of 30 nm were used. Furthermore, the n

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6

Reddy, Benjaram M., Biswajit Chowdhury, and Panagiotis G. Smirniotis. "An XPS study of the dispersion of MoO3 on TiO2–ZrO2, TiO2–SiO2, TiO2–Al2O3, SiO2–ZrO2, and SiO2–TiO2–ZrO2 mixed oxides." Applied Catalysis A: General 211, no. 1 (2001): 19–30. http://dx.doi.org/10.1016/s0926-860x(00)00834-6.

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7

Ivanova, T., A. Harizanova, T. Koutzarova, N. Krins, and B. Vertruyen. "Electrochromic TiO2, ZrO2 and TiO2–ZrO2 thin films by dip-coating method." Materials Science and Engineering: B 165, no. 3 (2009): 212–16. http://dx.doi.org/10.1016/j.mseb.2009.07.013.

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8

Ramenzoni, Liza L., Laura B. Flückiger, Thomas Attin, and Patrick R. Schmidlin. "Effect of Titanium and Zirconium Oxide Microparticles on Pro-Inflammatory Response in Human Macrophages under Induced Sterile Inflammation: An In Vitro Study." Materials 14, no. 15 (2021): 4166. http://dx.doi.org/10.3390/ma14154166.

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The wear-debris particles released by shearing forces during dental implant insertion may contribute to inflammatory reactions or osteolysis associated with peri-implantitis by stimulating inflammasome-activation. The study aim was to examine cytotoxic and pro-inflammatory effects of titanium (TiO2) and zirconia (ZrO2) particles in macrophages regarding their nature/particle concentration over time under sterile lipopolysaccharide (LPS) inflammation. Macrophages were exposed to TiO2 and ZrO2 particles (≤5 µm) in cell culture. Dental glass was used as inert control and LPS (1 μg/mL) was used to

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9

Thepwatee, Sukanya, Nitipon Chekuntod, Atisayapan Chanchawee, and Pawnprapa Pitakjakpipop. "Light-Enhanced Adsorptive Desulfurization of Dibenzothiophene Using Supported TiO₂-ZrO₂." Key Engineering Materials 798 (April 2019): 391–96. http://dx.doi.org/10.4028/www.scientific.net/kem.798.391.

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Combustion of diesel fuel containing sulfur compounds emits SOx into atmosphere causing acid rain and respiratory illness in human. Dibenzothiophene (DBT) is one of the most difficult sulfur compounds in diesel to be removed by hydrodesulfurization (HDS). To produce ultra-low sulfur diesel (<15 ppmw-S), severe operating condition is required. As a result, production cost is increase. In this work, we investigated an alternative method for sulfur removal called Light-enhanced Adsorptive Desulfurization or L-ADS using supported TiO2-ZrO2. The TiO2-ZrO2 was loaded on commercial γ-Al2O3, fumed

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10

Nguyen Thi Hai, Yen, Hai Le Thị Hong, and Thao Pham Minh. "Synthesis nanocompsite TiO2-ZrO2 for photocatalic degration of phenol and methylene blue (MB)." Vietnam Journal of Catalysis and Adsorption 9, no. 3 (2020): 101–6. http://dx.doi.org/10.51316/jca.2020.057.

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A series of TiO2-ZrO2 binary oxide samples with various TiO2-ZrO2 content (90-10, 80-20, 70-30, 60-40, 50-50 mol %) were prepared by the co-precipitation method. The obtained samples were characterized by XRD, SEM, EDX, UV-vis, IR spectroscopy and BET. XRD data identified the anatase phase of the TiO2 and tetragonal, monoclinic phases of ZrO2 in all obtained samples. The average crystallite size of the samples was between 16 to 21 nm. As UV-Vis spectra, the band gaps of TiO2-ZrO2 composites vary from 2,5 eV to 3,1 eV. The photocatalytic reactions confirmed that the nanocomposite sample showed

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