WO2005080271A3 - Process for the production of nanocrystalline oxides and mixed oxides of the lanthanides group, obtained products and their use - Google Patents

Process for the production of nanocrystalline oxides and mixed oxides of the lanthanides group, obtained products and their use Download PDF

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Publication number
WO2005080271A3
WO2005080271A3 PCT/EP2005/050709 EP2005050709W WO2005080271A3 WO 2005080271 A3 WO2005080271 A3 WO 2005080271A3 EP 2005050709 W EP2005050709 W EP 2005050709W WO 2005080271 A3 WO2005080271 A3 WO 2005080271A3
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WO
WIPO (PCT)
Prior art keywords
oxides
production
nanocrystalline
obtained products
mixed oxides
Prior art date
Application number
PCT/EP2005/050709
Other languages
French (fr)
Other versions
WO2005080271A2 (en
Inventor
Silvia Licoccia
Enrico Traversa
Alberto Rainer
Vincenzo Esposito
Chavalit Trakanprapai
Original Assignee
Univ Roma
Silvia Licoccia
Enrico Traversa
Alberto Rainer
Vincenzo Esposito
Chavalit Trakanprapai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Roma, Silvia Licoccia, Enrico Traversa, Alberto Rainer, Vincenzo Esposito, Chavalit Trakanprapai filed Critical Univ Roma
Publication of WO2005080271A2 publication Critical patent/WO2005080271A2/en
Publication of WO2005080271A3 publication Critical patent/WO2005080271A3/en

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6264—Mixing media, e.g. organic solvents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof

Abstract

The present invention relates to a process for the production of nanocrystalline oxides and mixed oxides of the lanthanides group, obtained products and their use.
PCT/EP2005/050709 2004-02-19 2005-02-17 Process for the production of nanocrystalline oxides and mixed oxides of the lanthanides group, obtained products and their use WO2005080271A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2004A000089 2004-02-19
IT000089A ITRM20040089A1 (en) 2004-02-19 2004-02-19 PROCEDURE FOR THE PRODUCTION OF NANOCRYSTALLINE OXIDES AND MIXED OXIDES OF ELEMENTS OF THE LANTANIDE GROUP, PRODUCTS OBTAINED AND THEIR USE.

Publications (2)

Publication Number Publication Date
WO2005080271A2 WO2005080271A2 (en) 2005-09-01
WO2005080271A3 true WO2005080271A3 (en) 2005-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/050709 WO2005080271A2 (en) 2004-02-19 2005-02-17 Process for the production of nanocrystalline oxides and mixed oxides of the lanthanides group, obtained products and their use

Country Status (2)

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IT (1) ITRM20040089A1 (en)
WO (1) WO2005080271A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9114378B2 (en) 2012-03-26 2015-08-25 Brigham Young University Iron and cobalt based fischer-tropsch pre-catalysts and catalysts
US9289750B2 (en) 2013-03-09 2016-03-22 Brigham Young University Method of making highly porous, stable aluminum oxides doped with silicon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9079164B2 (en) 2012-03-26 2015-07-14 Brigham Young University Single reaction synthesis of texturized catalysts
CN112458795B (en) * 2020-11-24 2022-05-31 陕西科技大学 Photochromic fluorescent nano-paper based on lanthanide metal organic framework and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328715A1 (en) * 1988-02-19 1989-08-23 Tohru Yamamoto A catalyst for sol-gel method using metal alkoxide and sol-gel method using the same
EP0405891A2 (en) * 1989-06-26 1991-01-02 Exxon Research And Engineering Company High surface area oxide compositions and their use in the conversion of light hydrocarbons
FR2713218A1 (en) * 1993-12-01 1995-06-09 Rhone Poulenc Chimie Tantalum and/or niobium based mixed oxide prepn.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328715A1 (en) * 1988-02-19 1989-08-23 Tohru Yamamoto A catalyst for sol-gel method using metal alkoxide and sol-gel method using the same
EP0405891A2 (en) * 1989-06-26 1991-01-02 Exxon Research And Engineering Company High surface area oxide compositions and their use in the conversion of light hydrocarbons
FR2713218A1 (en) * 1993-12-01 1995-06-09 Rhone Poulenc Chimie Tantalum and/or niobium based mixed oxide prepn.

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHOI JAE YOUNG ET AL: "Preparation of monodisperse and spherical powders by heating of alcohol-aqueous salt solutions", J SOL GEL SCI TECHNOL; JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY 1999 KLUWER ACADEMIC PUBLISHERS, DORDRECHT, NETHERLANDS, vol. 15, no. 3, 1999, pages 231 - 241, XP002351546 *
LI J -G ET AL: "Characterization and sintering of nanocrystalline CeO2 powders synthesized by a mimic alkoxide method", ACTA MATER; ACTA MATERIALIA AUG 2001 ELSEVIER SCIENCE LTD, EXETER, ENGL, vol. 49, no. 3, August 2001 (2001-08-01), pages 419 - 426, XP002351342 *
M. Z.-C. HU ET AL.: "Sol-Gel and Ultrafine Particle Formation via Dielectric Tuning of Inorganic Salt-Alcohol-Water solutions", JOURNAL OF COLLOID AND INTERFACE SCIENCE, vol. 222, 2000, pages 20 - 36, XP002351547 *
MORI T ET AL: "Oxide ionic conductivity and microstructures of Sm- or La-doped CeO2-based systems", SOLID STATE IONICS, NORTH HOLLAND PUB. COMPANY. AMSTERDAM, NL, vol. 154-155, 2 December 2002 (2002-12-02), pages 461 - 466, XP004396248, ISSN: 0167-2738 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9114378B2 (en) 2012-03-26 2015-08-25 Brigham Young University Iron and cobalt based fischer-tropsch pre-catalysts and catalysts
US9289750B2 (en) 2013-03-09 2016-03-22 Brigham Young University Method of making highly porous, stable aluminum oxides doped with silicon

Also Published As

Publication number Publication date
WO2005080271A2 (en) 2005-09-01
ITRM20040089A1 (en) 2004-05-19

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