Electron beam irradiation effect on nanostructured molecular sieve catalysts

Zhong-Yong Yuan, Wuzong Zhou, Viorica Parvulescu, Bao-Lian Su

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Electron impact can induce chemical changes on particle surfaces of zeolites and molecular sieve catalysts. Some experimental observations of electron irradiation effect on molecular sieve catalysts are presented, e.g., electron-beam-induced growth of bare silver nanowires from zeolite crystallites, formation of vesicles in calcium phosphate, migration of microdomains in iron-oxide doped mesoporous silicas, structural transformation from mesostructured MCM-41 to microporous ZSM-5, etc. The formation mechanisms of the surface structures are discussed. (C) 2003 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)189-194
Number of pages6
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume129
Issue number2-3
DOIs
Publication statusPublished - Jun 2003

Keywords

  • electron beam irradiation
  • electron-beam-induced surface chemistry
  • nanostructured catalyst
  • mesoporous molecular sieve
  • calcium phosphate
  • silver nanowire
  • PHASE-TRANSFORMATIONS
  • NANOPARTICLES
  • MATERIALS/
  • CHEMISTRY
  • ZEOLITES
  • HRTEM
  • TEM

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