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author:

肖益鸿 (肖益鸿.) [1] | 夏笑莹 (夏笑莹.) [2] | 阳艳玲 (阳艳玲.) [3] | 蔡国辉 (蔡国辉.) [4] | 郑勇 (郑勇.) [5] | 魏可镁 (魏可镁.) [6]

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PKU CSCD

Abstract:

以尿素为沉淀剂,采用均匀沉淀法制备了CeZr1-xO2(0≤x≤1)固溶体,并以其为载体制备了负载型Pd/CeZr1-xO2催化剂.利用XRD 、N2物理吸附、CO脉冲化学吸附、CO2-TPD、原位漫反射红外光潜(in situ DRIFTS)等技术考察了载体表面碱性强弱对Pd/CeZr1-xO2催化剂中Pd烧结行为的影响.结果表明,载体的弱碱性位能有效抑制Pd的烧结,其中Pd/Ce0.75Zr0.25O2催化剂其载体具有更多的弱碱性位,活性组分钯的分散度较高,催化剂的热稳定性较好.

Keyword:

CeZr1-xO2固溶体 Pd分散度 烧结 碱性

Community:

  • [ 1 ] [肖益鸿]福州大学
  • [ 2 ] [夏笑莹]福州大学
  • [ 3 ] [阳艳玲]福州大学
  • [ 4 ] [蔡国辉]福州大学
  • [ 5 ] [郑勇]福州大学
  • [ 6 ] [魏可镁]福州大学

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Source :

无机化学学报

ISSN: 1001-4861

Year: 2013

Issue: 6

Volume: 29

Page: 1129-1134

0 . 7 4 2

JCR@2013

0 . 8 0 0

JCR@2023

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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