The preparation of ceria colloids dispersed by polyvinyl alcohol

Hong Wei He; Xiao Qing Wu; Wei Ren; Peng Shi; Zhi Tang Song

doi:10.1016/j.ceramint.2012.10.147

The preparation of ceria colloids dispersed by polyvinyl alcohol

Hong Wei He
, Xiao Qing Wu
, Wei Ren
, Peng Shi
, Zhi Tang Song

Faculty of Electronic and Information Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Nanocrystalline CeO₂ colloids were synthesized from cerium nitrate under the catalysis of ammonia at near the room temperature. The polyvinyl alcohol (PVA) dispersant was used in mixed raw solutions to prevent the aggregation of CeO₂ colloids. By means of the measurements of transmission electron microscope (TEM) and Zeta potential, the ceria colloids were proved to be dispersed effectively via PVA. The average diameter of CeO₂ colloids was about 220 nm by dynamic light scattering (DLS) analysis. Otherwise, the effects of Zeta potential and ammonia catalyst were researched to verify the possible stabilization mechanism of the CeO₂ hydrosol. The main application of nanocrystalline CeO₂ colloids was considered as abrasive material in the field of chemical mechanical planarization (CMP).

Original language	English
Pages (from-to)	S615-S618
Journal	Ceramics International
Volume	39
Issue number	SUPPL.1
DOIs	https://doi.org/10.1016/j.ceramint.2012.10.147
State	Published - May 2013

Keywords

A. Sol-gel processes
D. CeO colloids
PVA dispersant

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10.1016/j.ceramint.2012.10.147

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title = "The preparation of ceria colloids dispersed by polyvinyl alcohol",

abstract = "Nanocrystalline CeO2 colloids were synthesized from cerium nitrate under the catalysis of ammonia at near the room temperature. The polyvinyl alcohol (PVA) dispersant was used in mixed raw solutions to prevent the aggregation of CeO2 colloids. By means of the measurements of transmission electron microscope (TEM) and Zeta potential, the ceria colloids were proved to be dispersed effectively via PVA. The average diameter of CeO2 colloids was about 220 nm by dynamic light scattering (DLS) analysis. Otherwise, the effects of Zeta potential and ammonia catalyst were researched to verify the possible stabilization mechanism of the CeO2 hydrosol. The main application of nanocrystalline CeO2 colloids was considered as abrasive material in the field of chemical mechanical planarization (CMP).",

keywords = "A. Sol-gel processes, D. CeO colloids, PVA dispersant",

author = "He, \{Hong Wei\} and Wu, \{Xiao Qing\} and Wei Ren and Peng Shi and Song, \{Zhi Tang\}",

year = "2013",

month = may,

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language = "英语",

volume = "39",

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journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Ltd",

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}

TY - JOUR

T1 - The preparation of ceria colloids dispersed by polyvinyl alcohol

AU - He, Hong Wei

AU - Wu, Xiao Qing

AU - Ren, Wei

AU - Shi, Peng

AU - Song, Zhi Tang

PY - 2013/5

Y1 - 2013/5

N2 - Nanocrystalline CeO2 colloids were synthesized from cerium nitrate under the catalysis of ammonia at near the room temperature. The polyvinyl alcohol (PVA) dispersant was used in mixed raw solutions to prevent the aggregation of CeO2 colloids. By means of the measurements of transmission electron microscope (TEM) and Zeta potential, the ceria colloids were proved to be dispersed effectively via PVA. The average diameter of CeO2 colloids was about 220 nm by dynamic light scattering (DLS) analysis. Otherwise, the effects of Zeta potential and ammonia catalyst were researched to verify the possible stabilization mechanism of the CeO2 hydrosol. The main application of nanocrystalline CeO2 colloids was considered as abrasive material in the field of chemical mechanical planarization (CMP).

AB - Nanocrystalline CeO2 colloids were synthesized from cerium nitrate under the catalysis of ammonia at near the room temperature. The polyvinyl alcohol (PVA) dispersant was used in mixed raw solutions to prevent the aggregation of CeO2 colloids. By means of the measurements of transmission electron microscope (TEM) and Zeta potential, the ceria colloids were proved to be dispersed effectively via PVA. The average diameter of CeO2 colloids was about 220 nm by dynamic light scattering (DLS) analysis. Otherwise, the effects of Zeta potential and ammonia catalyst were researched to verify the possible stabilization mechanism of the CeO2 hydrosol. The main application of nanocrystalline CeO2 colloids was considered as abrasive material in the field of chemical mechanical planarization (CMP).

KW - A. Sol-gel processes

KW - D. CeO colloids

KW - PVA dispersant

UR - https://www.scopus.com/pages/publications/84875715568

U2 - 10.1016/j.ceramint.2012.10.147

DO - 10.1016/j.ceramint.2012.10.147

M3 - 文章

AN - SCOPUS:84875715568

SN - 0272-8842

VL - 39

SP - S615-S618

JO - Ceramics International

JF - Ceramics International

IS - SUPPL.1

ER -

The preparation of ceria colloids dispersed by polyvinyl alcohol

Abstract

Keywords

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