The relationship of structural defect-redox property-catalytic performance of perovskites and their related compounds for CO and NOx removal

Hongxing Dai; Hong He; Peiheng Li; Lizhen Gao; Chak Tong AU

doi:10.1016/j.cattod.2004.04.031

The relationship of structural defect-redox property-catalytic performance of perovskites and their related compounds for CO and NO_x removal

Hongxing Dai^*, Hong He, Peiheng Li, Lizhen Gao, Chak Tong AU

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Conference article › peer-review

60 Citations (Scopus)

Abstract

Perovskite-type oxides and perovksite-like oxides were investigated as catalysts for CO oxidation, NO removal, and N₂O decomposition. X-ray diffraction analysis of these compounds revealed that they were single phase and their crystal structures were regular. Oxygen mobility was also checked and it was found that Bi doped catalysts had better oxygen mobility than Bi free catalysts. The results show that there is a strong correlation either between the structural defect and catalytic activity or between the redox ability and catalytic performance of these materials for CO and NO_x removal.

Original language	English
Pages (from-to)	231-244
Number of pages	14
Journal	Catalysis Today
Volume	90
Issue number	3-4
DOIs	https://doi.org/10.1016/j.cattod.2004.04.031
Publication status	Published - 1 Jul 2004
Event	Environmental Catalysis and Eco-Materials - Beijing, China Duration: 7 Oct 2003 → 7 Oct 2003

Scopus Subject Areas

Catalysis
Chemistry(all)

User-Defined Keywords

O/O isotopic exchange
CO oxidation
DeNO
Lattice oxygen mobility
NO decomposition
NO removal
Oxidative nonstoichiometry
Perovskite oxide catalysts

Access to Document

10.1016/j.cattod.2004.04.031

Cite this

@article{08d0e00f686a4fbd836c663f792b4dd8,

title = "The relationship of structural defect-redox property-catalytic performance of perovskites and their related compounds for CO and NOx removal",

abstract = "Perovskite-type oxides and perovksite-like oxides were investigated as catalysts for CO oxidation, NO removal, and N2O decomposition. X-ray diffraction analysis of these compounds revealed that they were single phase and their crystal structures were regular. Oxygen mobility was also checked and it was found that Bi doped catalysts had better oxygen mobility than Bi free catalysts. The results show that there is a strong correlation either between the structural defect and catalytic activity or between the redox ability and catalytic performance of these materials for CO and NOx removal.",

keywords = "O/O isotopic exchange, CO oxidation, DeNO, Lattice oxygen mobility, NO decomposition, NO removal, Oxidative nonstoichiometry, Perovskite oxide catalysts",

author = "Hongxing Dai and Hong He and Peiheng Li and Lizhen Gao and AU, {Chak Tong}",

note = "Funding Information: The work described in this paper was fully supported by a foundation from The Education Committee of Beijing (Km200310005001) and by grants from the Hong Kong Baptist University (FRG/00-01/I-15 and FRG/97-98/I-30).; Environmental Catalysis and Eco-Materials ; Conference date: 07-10-2003 Through 07-10-2003",

year = "2004",

month = jul,

day = "1",

doi = "10.1016/j.cattod.2004.04.031",

language = "English",

volume = "90",

pages = "231--244",

journal = "Catalysis Today",

issn = "0920-5861",

publisher = "Elsevier",

number = "3-4",

}

TY - JOUR

T1 - The relationship of structural defect-redox property-catalytic performance of perovskites and their related compounds for CO and NOx removal

AU - Dai, Hongxing

AU - He, Hong

AU - Li, Peiheng

AU - Gao, Lizhen

AU - AU, Chak Tong

N1 - Funding Information: The work described in this paper was fully supported by a foundation from The Education Committee of Beijing (Km200310005001) and by grants from the Hong Kong Baptist University (FRG/00-01/I-15 and FRG/97-98/I-30).

PY - 2004/7/1

Y1 - 2004/7/1

N2 - Perovskite-type oxides and perovksite-like oxides were investigated as catalysts for CO oxidation, NO removal, and N2O decomposition. X-ray diffraction analysis of these compounds revealed that they were single phase and their crystal structures were regular. Oxygen mobility was also checked and it was found that Bi doped catalysts had better oxygen mobility than Bi free catalysts. The results show that there is a strong correlation either between the structural defect and catalytic activity or between the redox ability and catalytic performance of these materials for CO and NOx removal.

AB - Perovskite-type oxides and perovksite-like oxides were investigated as catalysts for CO oxidation, NO removal, and N2O decomposition. X-ray diffraction analysis of these compounds revealed that they were single phase and their crystal structures were regular. Oxygen mobility was also checked and it was found that Bi doped catalysts had better oxygen mobility than Bi free catalysts. The results show that there is a strong correlation either between the structural defect and catalytic activity or between the redox ability and catalytic performance of these materials for CO and NOx removal.

KW - O/O isotopic exchange

KW - CO oxidation

KW - DeNO

KW - Lattice oxygen mobility

KW - NO decomposition

KW - NO removal

KW - Oxidative nonstoichiometry

KW - Perovskite oxide catalysts

UR - http://www.scopus.com/inward/record.url?scp=3242781792&partnerID=8YFLogxK

U2 - 10.1016/j.cattod.2004.04.031

DO - 10.1016/j.cattod.2004.04.031

M3 - Conference article

AN - SCOPUS:3242781792

SN - 0920-5861

VL - 90

SP - 231

EP - 244

JO - Catalysis Today

JF - Catalysis Today

IS - 3-4

T2 - Environmental Catalysis and Eco-Materials

Y2 - 7 October 2003 through 7 October 2003

ER -