Lauric acid template synthesis of thermally stable lamellar crystalline zirconia via a reflux-hydrothermal route

Ji, Xiujie; Liu, Chaoya; Liu, Chao; Li, Jia; Yu, Xiaofei; Su, Penghe; Huang, Jieru; Jia, Jianlong; Wu, Jie; Chen, Luyang; Chen, Cuihong; Wu, Yajing; Fan, Ying; Lin, Jianming; Cheng, Bowen; Tang, Chengchun

doi:10.1016/j.matlet.2014.02.033

Cited by 5 publications

(2 citation statements)

References 25 publications

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“…According to the Gibbs free energy equation of nucleation (Eq. ), it can be demonstrated in thermodynamics that ethanol plays the role of improving HA crystallization.

Δ G^{*} = B {normalσ}^{3} V^{2} / {(k T In S)}^{2}

where Δ G * is the critical nucleation free energy, B is the constant involving the shape of the nucleus, σ is the interface energy, V is the molecular volume, k is the Boltzmann constant, T is the absolute temperature, and S is the supersaturation.…”

Section: Resultsmentioning

confidence: 99%

A Novel Ethanol Induced and Stabilized Hierarchical Nanorods: Hydroxyapatite Nanopeanut

Liu

et al. 2015

J. Am. Ceram. Soc.

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Hydroxyapatite (HA) nanopeanut, hierarchical nanorods covered with nanopits on surface, was successfully synthesized via a novel ethanol induced and stabilized route. Ca(NO 3 ) 2 , H 3 PO 4 , and NaOH were used as calcium source, phosphorus source, and pH adjusting agent, respectively. X-ray diffraction analysis showed that hierarchical nanorods are well crystallized and present a pure hexagonal Ca 10 (PO 4 ) 6 (OH) 2 . Transmission electron microscopy (TEM) exhibited that the nanorods are of 50-210 nm in length and 22-52 nm in width. The nanopits of 3-12 nm in diameter in the surface were also confirmed and calculated by nitrogen adsorption/desorption isotherms, which is well consistent with TEM observation. Ethanol as the sole functional organic molecule played the roles of improving the HA crystallization, inducing the nucleation and growth of HA nanorods, as well as inducing and stablizing the nanopits in surface. The ethanol-assisted synthesis mechanism of HA nanopeanut was proposed and discussed in thermodynamics. This novel ethanol-assisted route is green, facile, efficient, low-cost, and surfactant-free and may be useful for the synthesis of other hierarchical materials.W. Zhang-contributing editor Manuscript No. 36254.

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“…According to the Gibbs free energy equation of nucleation (Eq. ), it can be demonstrated in thermodynamics that ethanol plays the role of improving HA crystallization.

Δ G^{*} = B {normalσ}^{3} V^{2} / {(k T In S)}^{2}

Section: Resultsmentioning

confidence: 99%

A Novel Ethanol Induced and Stabilized Hierarchical Nanorods: Hydroxyapatite Nanopeanut

Liu

et al. 2015

J. Am. Ceram. Soc.

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“…It has excellent combination of mechanical, optical, electrical and thermal properties, which makes it a good choice for applications such as structural, semiconductor, SOFC electrolyte and bio-material [1,2]. Zirconia powder can be prepared via various methods, such as emulsion [3], hydrothermal [4], combustion [5], thermal decomposition [6], sol-gel [7] and precipitation method [8]. Sol-gel method is one of the best methods for preparation of zirconia, titania and alumina nanopowder [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

A novel green nonaqueous sol-gel process for preparation of partially stabilized zirconia nanopowder

Feng

Jiang

Liu

et al. 2017

PAC

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A novel green nonaqueous sol-gel process was developed to prepare 3 mol% Y 2 O 3-doped ZrO 2 nanopowder from zirconium oxychloride and without need for washing of the obtained particles. It was shown that highly dispersive nanometer-scale zirconia powder with the particle size of 15-25 nm and BET surface area of 41.2 m 2 /g can be prepared. The sintering behaviour was also investigated. Density of the translucent body sintered at 1400°C is 98.7 ± 0.3% of its theoretical density and the surface and cross section areas are dense without holes or other defects. The bending strength of the sintered sample is 928 ± 64 MPa.

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Methanol templated synthesis of ordered lamellar superstructured zirconia and its outstanding hierarchical thermostabilities

Chen

Liu

et al. 2019

Ceramics International

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Lauric acid template synthesis of thermally stable lamellar crystalline zirconia via a reflux-hydrothermal route

Cited by 5 publications

References 25 publications

A Novel Ethanol Induced and Stabilized Hierarchical Nanorods: Hydroxyapatite Nanopeanut

A Novel Ethanol Induced and Stabilized Hierarchical Nanorods: Hydroxyapatite Nanopeanut

A novel green nonaqueous sol-gel process for preparation of partially stabilized zirconia nanopowder

Methanol templated synthesis of ordered lamellar superstructured zirconia and its outstanding hierarchical thermostabilities

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