scholarly journals Precursor Linear Self-Assembly Nonhydrolytic Sol-Gel Synthesis of Ba0.7Sr0.3TiO3 Ceramic Fibers

2021 ◽  
Author(s):  
Guo Feng ◽  
Li Yin ◽  
Feng Jiang ◽  
Zhijun Yan ◽  
Jinlin Xu ◽  
...  
Keyword(s):  
Self Assembly ◽  
Colloidal Particle ◽  
Sol Gel ◽  
The Novel ◽  
Ceramic Fibers ◽  
Electronic Products ◽  
Linear Assembly ◽  
Oxygen Donor ◽  
Association Structure ◽  
Sol Gel Synthesis

Abstract Ba0.7Sr0.3TiO3 ceramic fibers were synthesized via the precursor linear self-assembly nonhydrolytic sol-gel (NHSG) method, taking TiCl4 as the titanium source, anhydrous barium acetate and strontium acetate as the barium source and strontium source, anhydrous ethanol and glycol as the oxygen donor and solvent, respectively. The NHSG method promotes the formation of Ba–O–Ti and Sr–O–Ti through heterogeneous condensation. The bimolecular association structure of the reaction intermediate (chlorotitanium ethoxide) between ethanol and titanium tetrachloride facilitates the self-linear assembly of precursors. It also enables linear colloidal particle formation and excellent spinnability of the sol. The novel Ba0.7Sr0.3TiO3 ceramic fibers would promote the flexibility of electronic products.

Sol–gel synthesis of 2-dimensional TiO2: self-assembly of Ti–oxoalkoxy–acetate complexes by carboxylate ligand directed condensation

2021 ◽  
Author(s):  
Ruohong Sui ◽  
Connor E. Deering ◽  
Rohen Prinsloo ◽  
Christopher B. Lavery ◽  
Nancy Chou ◽  
...  
Keyword(s):  
Self Assembly ◽  
Sol Gel ◽  
Carboxylate Ligand ◽  
Sol Gel Synthesis ◽  
First Time

2-Dimensional TiO2 is synthesized for the first time by a sol–gel self-assembly of Ti–oxoalkoxy–acetate complexes.

scholarly journals Self-assembly of iron oxide precursor micelles driven by magnetic stirring time in sol–gel coatings

RSC Advances ◽  
2019 ◽  
Vol 9 (31) ◽  
pp. 17571-17580 ◽  
Author(s):  
J. López-Sánchez ◽  
A. Serrano ◽  
A. del Campo ◽  
M. Abuín ◽  
E. Salas-Colera ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Self Assembly ◽  
Sol Gel ◽  
Oxide Precursor ◽  
Magnetic Stirring ◽  
Stirring Time ◽  
Self Assembled ◽  
Sol Gel Synthesis

Sol–gel synthesis of self-assembled iron oxide precursor micelles.

scholarly journals Acetic Anhydride as an Oxygen Donor in the Non‐Hydrolytic Sol–Gel Synthesis of Mesoporous TiO 2 with High Electrochemical Lithium Storage Performances

2019 ◽  
Vol 25 (18) ◽  
pp. 4767-4774 ◽  
Author(s):  
Yanhui Wang ◽  
Sanghoon Kim ◽  
Nicolas Louvain ◽  
Johan G. Alauzun ◽  
P. Hubert Mutin
Keyword(s):  
Acetic Anhydride ◽  
Sol Gel ◽  
Lithium Storage ◽  
Oxygen Donor ◽  
Sol Gel Synthesis

scholarly journals A sol–gel synthesis to prepare size and shape-controlled mesoporous nanostructures of binary (II–VI) metal oxides

RSC Advances ◽  
2020 ◽  
Vol 10 (24) ◽  
pp. 14134-14146 ◽  
Author(s):  
Ryan Yarbrough ◽  
Klinton Davis ◽  
Sheeba Dawood ◽  
Hemali Rathnayake
Keyword(s):  
Low Temperature ◽  
Metal Oxides ◽  
Self Assembly ◽  
Sol Gel ◽  
Assembly Process ◽  
Oxide Nanostructures ◽  
Metal Oxide Nanostructures ◽  
Shape Controlled ◽  
Sol Gel Synthesis ◽  
Mesoporous Metal

A base-catalyzed sol–gel approach combined with a solvent-driven self-assembly process at low temperature is augmented to make highly mesoporous metal oxide nanostructures of manganese and copper, and hydroxide nanostructures of magnesium.

Preparation of TiO2 Nanopowders by Non-Hydrolytic Sol−Gel and Solvothermal Synthesis

2011 ◽  
Vol 110-116 ◽  
pp. 1934-1939
Author(s):  
Yan Xiang Wang ◽  
Min Xu ◽  
Jian Sun
Keyword(s):  
Size Distribution ◽  
Solvothermal Synthesis ◽  
Solvothermal Method ◽  
Sol Gel ◽  
Rutile Phase ◽  
Uniform Size ◽  
Oxygen Donor ◽  
Method Effects ◽  
Sol Gel Synthesis ◽  
Uniform Size Distribution

TiO2nanopowders were synthesized by non-hydrolytic sol−gel synthesis and solvothermal method. Effects of the type of alcohol on the properties of TiO2nanopowders were investigated. XRD and FSEM were used to characterize TiO2nanopowders. The results showed that TiO2nanopowders with diameters of about 50nm and micro-spheres with diameters of about 400~500nm were obtained by non-hydrolytic sol−gel synthesis, when ethanol and isopropanol were used as oxygen donor and solvent, respectively. TiO2prepared with ethanol by non-hydrolytic sol−gel synthesis and calcined at 700°C consisted only 3.8% rutile phase. After solvothermal synthesis, TiO2nanopowders with diameters of about 50nm were obtained when ethanol and isopropanol were used as the oxygen donor. However, submicrometer spheres with uniform size distribution were obtained with 1-octanol.

Influence of Oxygen Donor Alcohols on Non-Hydrolytic Sol-Gel Synthesis of MgAl2O4 Spinel Nanoparticles

2011 ◽  
Vol 311-313 ◽  
pp. 446-449 ◽  
Author(s):  
Jing Long Bu ◽  
Heng Yong Wei ◽  
Jun Hong Zhao ◽  
Rui Sheng Wang ◽  
Zhi Fa Wang ◽  
...  
Keyword(s):  
Particle Size ◽  
Sol Gel ◽  
Anhydrous Ethanol ◽  
Magnesium Aluminate ◽  
Stoichiometric Ratio ◽  
Remarkable Effect ◽  
Oxygen Donor ◽  
The Mean ◽  
Sol Gel Synthesis ◽  
Spinel Nanoparticles

Magnesium aluminate (MgAl2O4) spinel nanoparticles were prepared by non-hydrolytic sol-gel method using anhydrous alcohols as oxygen donor. XRD and FTIR were used to characterise the effect of anhydrous alcohols on synthesis of MgAl2O4 spinel nanoparticles.The results showed that when the oxygen donor used in stoichiometric ratio for synthesizing MgAl2O4, anhydrous ethanol was the more effective oxygen donor than anhydrous isopropanol. But there was no remarkable effect on synthesis of MgAl2O4 spinel when the amount of anhydrous ethanol exceeded the stoichiometric ratio. The mean particle size MgAl2O4 spinel nanoparticles was in the range of 40 to 50 nm.

Mesoporous Hybrid Thin Films: Building Blocks for Complex Materials with Spatial Organization

2007 ◽  
Vol 1007 ◽  
Author(s):  
Galo J. Soler-Illia ◽  
Paula C. Angelomé ◽  
M. Cecilia Fuertes ◽  
Alejandro Wolosiuk ◽  
Sara A. Bilmes ◽  
...  
Keyword(s):  
Thin Films ◽  
Self Assembly ◽  
Spatial Organization ◽  
Sol Gel ◽  
Building Blocks ◽  
Film Deposition ◽  
One Pot ◽  
Selective Functionalization ◽  
Hybrid Thin Films ◽  
Sol Gel Synthesis

ABSTRACTMesoporous Hybrid Thin Films (MHTF) of a variety of compositions and embedded organic functions are produced by combining sol-gel synthesis, template self-assembly and surface modification. One-pot or post-grafting strategies permit to modify the pore surface behavior. Highly controlled MHTF issued from a reproducible and modular synthesis can be used as building blocks for more complex structures, presenting order at larger scales, and novel properties derived from this multiscale order. Multilayer stacks of MHTF presenting specific and different functions and frameworks located in a well-defined position have been produced by combining sequential film deposition, selective functionalization and dissolution. These systems present new properties such as localized chemistry or modulable photonic crystal behavior.

scholarly journals Organosulfur adsorbents by self-assembly of titania based ternary metal oxide nanofibers

2017 ◽  
Vol 5 (20) ◽  
pp. 9561-9571 ◽  
Author(s):  
Ruohong Sui ◽  
Sarah K. Carefoot ◽  
Christopher B. Lavery ◽  
Connor E. Deering ◽  
Kevin L. Lesage ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Metal Oxides ◽  
Self Assembly ◽  
Selective Adsorption ◽  
Sol Gel ◽  
One Pot ◽  
Ternary Metal ◽  
Sol Gel Synthesis

One-pot sol–gel synthesis of ternary metal oxides for selective adsorption of thiols from H2S/CO2-containing gas.

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