Influence of hydrogen peroxide in the preparation of nanocrystalline ceria

被引：81
作者：
Scholes, F. H.
Hughes, A. E.
Hardin, S. G.
Lynch, P.
Miller, P. R.
机构：
[1] CSIRO, Mfg & Mat Technol, Clayton, Vic 3169, Australia
[2] Monash Univ, Monash Ctr Electron Microscopy, Clayton, Vic 3800, Australia
来源：
CHEMISTRY OF MATERIALS | 2007年 / 19卷 / 09期
关键词：
D O I：
10.1021/cm063024z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The influence of H2O2 in the preparation of nanocrystalline CeO2 has been investigated by treating solutions of Ce(III) with NaOH in the presence of different concentrations of H2O2. The resulting precipitated material was then examined by a range of techniques, including transmission electron microscopy (TEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). A decrease in CeO2 crystallite size with increasing H2O2 concentration was observed. This was found to be associated with the formation of an amorphous material containing an eta(2)-peroxide (O-2(2-)) species.
引用
收藏
页码：2321 / 2328
页数：8
相关论文
共 59 条
[1]   PREPARATION AND CHARACTERIZATION OF CEO2 UNDER AN OXIDIZING ATMOSPHERE - THERMAL-ANALYSIS, XPS, AND EPR STUDY [J].
ABIAAD, E ;
BECHARA, R ;
GRIMBLOT, J ;
ABOUKAIS, A .
CHEMISTRY OF MATERIALS, 1993, 5 (06) :793-797
[2]  
[Anonymous], 2003, NATL I STAND TECHNOL
[3]   Surface area control during the synthesis and reduction of high area ceria catalyst supports [J].
Bruce, LA ;
Hoang, M ;
Hughes, AE ;
Turner, TW .
APPLIED CATALYSIS A-GENERAL, 1996, 134 (02) :351-362
[4]   A FUNDAMENTAL PARAMETERS APPROACH TO X-RAY LINE-PROFILE FITTING [J].
CHEARY, RW ;
COELHO, A .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1992, 25 (pt 2) :109-121
[5]   Fundamental parameters line profile fitting in laboratory diffractometers [J].
Cheary, RW ;
Coelho, AA ;
Cline, JP .
JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, 2004, 109 (01) :1-25
[6]   REACTIVE CERIUM(IV) OXIDE POWDERS BY THE HOMOGENEOUS PRECIPITATION METHOD [J].
CHEN, PL ;
CHEN, IW .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1993, 76 (06) :1577-1583
[7]   Defect thermodynamics and electrical properties of nanocrystalline oxides: Pure and doped CeO2 [J].
Chiang, YM ;
Lavik, EB ;
Blom, DA .
NANOSTRUCTURED MATERIALS, 1997, 9 (1-8) :633-642
[8]   Effects of H2O2 on the morphology of ZrO2 powder prepared by ultrasonic spray pyrolysis [J].
Cho, SY ;
Kim, IT ;
Kim, DY ;
Park, SJ ;
Kim, BK ;
Lee, JH .
MATERIALS LETTERS, 1997, 32 (04) :271-273
[9]   X-RAY-PHOTOELECTRON-SPECTROSCOPY EVIDENCE FOR PEROXIDE IN 1-2-3 COPPER OXIDES CONTAINING DISORDERED OR EXCESS OXYGEN [J].
DAI, Y ;
MANTHIRAM, A ;
CAMPION, A ;
GOODENOUGH, JB .
PHYSICAL REVIEW B, 1988, 38 (07) :5091-5094
[10]   Nanostructured cerium oxide: Preparation and properties of weakly-agglomerated powders [J].
Djuricic, B ;
Pickering, S .
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 1999, 19 (11) :1925-1934
123456