Co-precipitation processing of nanosized (Y,Gd)2CvEu powder and its enhanced X-ray excited luminescence

Ying Shi; Jiyang Chen; Jianlin Shi

doi:10.4028/0-87849-970-9.101

Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence

Ying Shi^*
, Jiyang Chen
, Jianlin Shi

^*Corresponding author for this work

CAS - Shanghai Institute of Ceramics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

Preparation of nanosized (Y,Gd)₂O₃:Eu powders by co-precipitation processing is reported. Phase transformation during calcination was studied by means of DTA-TG FT-IR, SEM and XRD in detail. It was found that the morphologies and X-ray excited luminescence of (Y,Gd)₂O ₃:Eu powders were greatly influenced by the precipitants used. The (Y,Gd)₂O₃:Eu powder resulted from the complex precipitants of NH₃·O and NH₄HCO₃ possessed best microstructural features with grain size of about 30nm and specific surface area of 38m²/g after being calcined at 850°C for 2hr, showing a much finer grain and less agglomeration than those from other two precipitation processing. It was demonstrated that nanosized (Y,Gd)₂O ₃:Eu powder from complex precipitant exhibited much higher luminescence intensity at 611nm under excitation of X-ray (70Kev). which might be attributed to less degree of agglomeration among primary grains, decreasing the probability of non-radiation relaxation.

Original language	English
Title of host publication	Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004)
Publisher	Trans Tech Publications Ltd
Pages	101-108
Number of pages	8
ISBN (Print)	0878499709, 9780878499700
DOIs	https://doi.org/10.4028/0-87849-970-9.101
State	Published - 2005
Externally published	Yes
Event	8th International Symposium on Multifunctional and Functionally Graded Materials, FGM2004 - Leuven, Belgium Duration: 11 Jul 2004 → 14 Jul 2004

Publication series

Name	Materials Science Forum
Volume	492-493
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Conference

Conference	8th International Symposium on Multifunctional and Functionally Graded Materials, FGM2004
Country/Territory	Belgium
City	Leuven
Period	11/07/04 → 14/07/04

Keywords

Luminescence
Powder
Processing

Access to Document

10.4028/0-87849-970-9.101

Cite this

Shi, Y., Chen, J., & Shi, J. (2005). Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence. In Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004) (pp. 101-108). (Materials Science Forum; Vol. 492-493). Trans Tech Publications Ltd. https://doi.org/10.4028/0-87849-970-9.101

Shi, Ying ; Chen, Jiyang ; Shi, Jianlin. / Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence. Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004). Trans Tech Publications Ltd, 2005. pp. 101-108 (Materials Science Forum).

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title = "Co-precipitation processing of nanosized (Y,Gd)2CvEu powder and its enhanced X-ray excited luminescence",

abstract = "Preparation of nanosized (Y,Gd)2O3:Eu powders by co-precipitation processing is reported. Phase transformation during calcination was studied by means of DTA-TG FT-IR, SEM and XRD in detail. It was found that the morphologies and X-ray excited luminescence of (Y,Gd)2O 3:Eu powders were greatly influenced by the precipitants used. The (Y,Gd)2O3:Eu powder resulted from the complex precipitants of NH3·O and NH4HCO3 possessed best microstructural features with grain size of about 30nm and specific surface area of 38m2/g after being calcined at 850°C for 2hr, showing a much finer grain and less agglomeration than those from other two precipitation processing. It was demonstrated that nanosized (Y,Gd)2O 3:Eu powder from complex precipitant exhibited much higher luminescence intensity at 611nm under excitation of X-ray (70Kev). which might be attributed to less degree of agglomeration among primary grains, decreasing the probability of non-radiation relaxation.",

keywords = "Luminescence, Powder, Processing",

author = "Ying Shi and Jiyang Chen and Jianlin Shi",

year = "2005",

doi = "10.4028/0-87849-970-9.101",

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Shi, Y, Chen, J & Shi, J 2005, Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence. in Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004). Materials Science Forum, vol. 492-493, Trans Tech Publications Ltd, pp. 101-108, 8th International Symposium on Multifunctional and Functionally Graded Materials, FGM2004, Leuven, Belgium, 11/07/04. https://doi.org/10.4028/0-87849-970-9.101

Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence. / Shi, Ying; Chen, Jiyang; Shi, Jianlin.
Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004). Trans Tech Publications Ltd, 2005. p. 101-108 (Materials Science Forum; Vol. 492-493).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Chen, Jiyang

AU - Shi, Jianlin

PY - 2005

Y1 - 2005

N2 - Preparation of nanosized (Y,Gd)2O3:Eu powders by co-precipitation processing is reported. Phase transformation during calcination was studied by means of DTA-TG FT-IR, SEM and XRD in detail. It was found that the morphologies and X-ray excited luminescence of (Y,Gd)2O 3:Eu powders were greatly influenced by the precipitants used. The (Y,Gd)2O3:Eu powder resulted from the complex precipitants of NH3·O and NH4HCO3 possessed best microstructural features with grain size of about 30nm and specific surface area of 38m2/g after being calcined at 850°C for 2hr, showing a much finer grain and less agglomeration than those from other two precipitation processing. It was demonstrated that nanosized (Y,Gd)2O 3:Eu powder from complex precipitant exhibited much higher luminescence intensity at 611nm under excitation of X-ray (70Kev). which might be attributed to less degree of agglomeration among primary grains, decreasing the probability of non-radiation relaxation.

AB - Preparation of nanosized (Y,Gd)2O3:Eu powders by co-precipitation processing is reported. Phase transformation during calcination was studied by means of DTA-TG FT-IR, SEM and XRD in detail. It was found that the morphologies and X-ray excited luminescence of (Y,Gd)2O 3:Eu powders were greatly influenced by the precipitants used. The (Y,Gd)2O3:Eu powder resulted from the complex precipitants of NH3·O and NH4HCO3 possessed best microstructural features with grain size of about 30nm and specific surface area of 38m2/g after being calcined at 850°C for 2hr, showing a much finer grain and less agglomeration than those from other two precipitation processing. It was demonstrated that nanosized (Y,Gd)2O 3:Eu powder from complex precipitant exhibited much higher luminescence intensity at 611nm under excitation of X-ray (70Kev). which might be attributed to less degree of agglomeration among primary grains, decreasing the probability of non-radiation relaxation.

KW - Luminescence

KW - Powder

KW - Processing

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SN - 9780878499700

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BT - Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004)

PB - Trans Tech Publications Ltd

T2 - 8th International Symposium on Multifunctional and Functionally Graded Materials, FGM2004

Y2 - 11 July 2004 through 14 July 2004

ER -

Shi Y, Chen J, Shi J. Co-precipitation processing of nanosized (Y,Gd)₂CvEu powder and its enhanced X-ray excited luminescence. In Functionally Graded Materials VIII, FGM2004 - Proceedings of the 8th International Symposium on Multifunctional and Functionally Graded Materials, (FGM2004). Trans Tech Publications Ltd. 2005. p. 101-108. (Materials Science Forum). doi: 10.4028/0-87849-970-9.101