物理化学学报 >> 1996, Vol. 12 >> Issue (09): 861-863.doi: 10.3866/PKU.WHXB19960918

研究简报 上一篇    

La-Mo系列复合氧化物超细微粒催化剂的制备

匡文兴,范以宁,陈开东,陈懿   

  1. 南京大学化学系,南京 210093
  • 收稿日期:1996-03-25 修回日期:1996-06-13 发布日期:1996-09-15
  • 通讯作者: 匡文兴

Preparation of La-Mo Series Complex Oxide Ultrafine Particle Catalysts by Sol-gel Method

Kuang Wen-Xing,Fan Yi-Ning,Chen Kai-Dong,Chen Yi   

  1. Department of Chemsitry,Nanjing University,Nanjing 210093
  • Received:1996-03-25 Revised:1996-06-13 Published:1996-09-15
  • Contact: Kuang Wen-Xing

关键词: La-Mo复合氧化物, 超细微粒, 溶胶-凝胶法

Abstract:

La-Mo series complex oxide ultrafine particles have been prepared successfully by the sol-gel method at low temperature. The influence of preparation conditions and thermal treatment conditions on the morphology and the structure of the oxide particles has been studied by using XRD, DTA-TG, TEM, FT-IR and BET surface area measurement methods. For the preparation of the well-distributed La-Mo series complex oxide ultrafine particles with the size in the range of 40-80nm, the optimum conditions are:
ncitrie/nLa+Mo=0.3, pH≤1.5, t≤500℃.

Key words: La-Mo complex oxide, Ultrafine particle, Sol-gel method