Effect of peptization on densification and phase transformation behaviour of sol-gel-derived nanostructured titania

Krishnankutty-Nair P. Kumar; K.N.P. Kumar; Jalajakumari Kumar; Klaas Keizer

doi:10.1111/j.1151-2916.1994.tb05426.x

Effect of peptization on densification and phase transformation behaviour of sol-gel-derived nanostructured titania

Krishnankutty-Nair P. Kumar, K.N.P. Kumar, Jalajakumari Kumar, Klaas Keizer

Inorganic Materials Science

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

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Abstract

Porosity reduction, packing, pore-size distribution, and anatase to rutile phase transformation behavior of nanostructured titania ceramics prepared from both peptized and unpeptized sols were studied and compared using XRD, DSC, and nitrogen-gas physisorption techniques. Precursor gels prepared from the peptized sol had a green density of about 70% after drying at 40°C, whereas the samples prepared from the unpeptized sol had a green density of only 50%. Samples prepared from the peptized sol showed higher sintering and phase transformation rates compared to the unpeptized sols.

Original language	Undefined
Pages (from-to)	1396-1400
Number of pages	5
Journal	Journal of the American Ceramic Society
Volume	77
Issue number	77
DOIs	https://doi.org/10.1111/j.1151-2916.1994.tb05426.x
Publication status	Published - 1994

Keywords

IR-71069
METIS-106866

Access to Document

10.1111/j.1151-2916.1994.tb05426.x

Kumar94effect

Cite this

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title = "Effect of peptization on densification and phase transformation behaviour of sol-gel-derived nanostructured titania",

abstract = "Porosity reduction, packing, pore-size distribution, and anatase to rutile phase transformation behavior of nanostructured titania ceramics prepared from both peptized and unpeptized sols were studied and compared using XRD, DSC, and nitrogen-gas physisorption techniques. Precursor gels prepared from the peptized sol had a green density of about 70% after drying at 40°C, whereas the samples prepared from the unpeptized sol had a green density of only 50%. Samples prepared from the peptized sol showed higher sintering and phase transformation rates compared to the unpeptized sols.",

keywords = "IR-71069, METIS-106866",

author = "Kumar, {Krishnankutty-Nair P.} and K.N.P. Kumar and Jalajakumari Kumar and Klaas Keizer",

year = "1994",

doi = "10.1111/j.1151-2916.1994.tb05426.x",

language = "Undefined",

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journal = "Journal of the American Ceramic Society",

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T1 - Effect of peptization on densification and phase transformation behaviour of sol-gel-derived nanostructured titania

AU - Kumar, Krishnankutty-Nair P.

AU - Kumar, K.N.P.

AU - Kumar, Jalajakumari

AU - Keizer, Klaas

PY - 1994

Y1 - 1994

N2 - Porosity reduction, packing, pore-size distribution, and anatase to rutile phase transformation behavior of nanostructured titania ceramics prepared from both peptized and unpeptized sols were studied and compared using XRD, DSC, and nitrogen-gas physisorption techniques. Precursor gels prepared from the peptized sol had a green density of about 70% after drying at 40°C, whereas the samples prepared from the unpeptized sol had a green density of only 50%. Samples prepared from the peptized sol showed higher sintering and phase transformation rates compared to the unpeptized sols.

AB - Porosity reduction, packing, pore-size distribution, and anatase to rutile phase transformation behavior of nanostructured titania ceramics prepared from both peptized and unpeptized sols were studied and compared using XRD, DSC, and nitrogen-gas physisorption techniques. Precursor gels prepared from the peptized sol had a green density of about 70% after drying at 40°C, whereas the samples prepared from the unpeptized sol had a green density of only 50%. Samples prepared from the peptized sol showed higher sintering and phase transformation rates compared to the unpeptized sols.

KW - IR-71069

KW - METIS-106866

U2 - 10.1111/j.1151-2916.1994.tb05426.x

DO - 10.1111/j.1151-2916.1994.tb05426.x

M3 - Article

VL - 77

SP - 1396

EP - 1400

JO - Journal of the American Ceramic Society

JF - Journal of the American Ceramic Society

SN - 0002-7820

IS - 77

ER -