Limits...
Ceria Nanotube Formed by Sacrificed Precursors Template through Oswald Ripening.

Pang L, Wang X, Tang X - PLoS ONE (2015)

Bottom Line: Controllable preparation of ceria nanotube was realized by hydrothermal treatment of Ce(OH)CO3 precursors.The gradually changing morphologies and microstructures of cerium oxide were characterized by X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy.On the basis of the time-dependent experimental observation, the possible formation mechanism related to oriented attachment and Oswald ripening was proposed, which might afford some guidance for the synthesis of other inorganic nanotubes.

View Article: PubMed Central - PubMed

Affiliation: School of Material Science and Engineering, Shandong Jiaotong University, Jinan, P.R China.

ABSTRACT
Controllable preparation of ceria nanotube was realized by hydrothermal treatment of Ce(OH)CO3 precursors. The gradually changing morphologies and microstructures of cerium oxide were characterized by X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy. A top-down path is illuminated to have an insight to the morphological transformation from nanorod to nanotube by adjusting the reaction time. The growth process is investigated by preparing a series of intermediate morphologies during the shape evolution of CeO2 nanostructure based on the scanning electron microscopy image observation. On the basis of the time-dependent experimental observation, the possible formation mechanism related to oriented attachment and Oswald ripening was proposed, which might afford some guidance for the synthesis of other inorganic nanotubes.

No MeSH data available.


Related in: MedlinePlus

Synthesis strategy flow chart.
© Copyright Policy
Related In: Results  -  Collection

License
getmorefigures.php?uid=PMC4494707&req=5

pone.0132536.g001: Synthesis strategy flow chart.

Mentions: The Ce(OH)CO3nanorods obtained above were re-dispersed into 20 mL distilled water. Upon adding NaOH solution, the mixture solution was transferred to a Teflon-lined stainless steel autoclave and maintained at 120°C for different duration time (18h, 24h, 48h, 54h, 60h); it was then air-cooled to room temperature. The resulting products were collected, washed several times with absolute ethanol and distilled water, and then dried in a vacuum condition. Flow chart of synthesis strategy for CeO2nanotubesis shown as Fig 1.


Ceria Nanotube Formed by Sacrificed Precursors Template through Oswald Ripening.

Pang L, Wang X, Tang X - PLoS ONE (2015)

Synthesis strategy flow chart.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4494707&req=5

pone.0132536.g001: Synthesis strategy flow chart.
Mentions: The Ce(OH)CO3nanorods obtained above were re-dispersed into 20 mL distilled water. Upon adding NaOH solution, the mixture solution was transferred to a Teflon-lined stainless steel autoclave and maintained at 120°C for different duration time (18h, 24h, 48h, 54h, 60h); it was then air-cooled to room temperature. The resulting products were collected, washed several times with absolute ethanol and distilled water, and then dried in a vacuum condition. Flow chart of synthesis strategy for CeO2nanotubesis shown as Fig 1.

Bottom Line: Controllable preparation of ceria nanotube was realized by hydrothermal treatment of Ce(OH)CO3 precursors.The gradually changing morphologies and microstructures of cerium oxide were characterized by X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy.On the basis of the time-dependent experimental observation, the possible formation mechanism related to oriented attachment and Oswald ripening was proposed, which might afford some guidance for the synthesis of other inorganic nanotubes.

View Article: PubMed Central - PubMed

Affiliation: School of Material Science and Engineering, Shandong Jiaotong University, Jinan, P.R China.

ABSTRACT
Controllable preparation of ceria nanotube was realized by hydrothermal treatment of Ce(OH)CO3 precursors. The gradually changing morphologies and microstructures of cerium oxide were characterized by X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy. A top-down path is illuminated to have an insight to the morphological transformation from nanorod to nanotube by adjusting the reaction time. The growth process is investigated by preparing a series of intermediate morphologies during the shape evolution of CeO2 nanostructure based on the scanning electron microscopy image observation. On the basis of the time-dependent experimental observation, the possible formation mechanism related to oriented attachment and Oswald ripening was proposed, which might afford some guidance for the synthesis of other inorganic nanotubes.

No MeSH data available.


Related in: MedlinePlus