論文

査読有り
2014年

In-situ XAFS study of Ag clusters in Ag-type zeolite-A

1ST CONFERENCE ON LIGHT AND PARTICLE BEAMS IN MATERIALS SCIENCE 2013 (LPBMS2013)
  • Atsushi Nakamura
  • ,
  • Masataka Narita
  • ,
  • Sho Narita
  • ,
  • Yushi Suzuki
  • ,
  • Takafumi Miyanaga

502
記述言語
英語
掲載種別
研究論文(国際会議プロシーディングス)
DOI
10.1088/1742-6596/502/1/012033
出版者・発行元
IOP PUBLISHING LTD

We studied the relation between structure of the Ag clusters produced in Ag-type zeolite-A and properties of photo luminescence (PL) by use of in-situ X-ray absorption fine structure (XAFS). Ag clusters are generated in the cavity of Ag-type zeolite-A which is cooled to room temperature after heated at 500 degrees C for 24 hours under vacuum or atmosphere. We investigated the change of the Ag clusters in the zeolite cavity when various gases are introduced: oxygen, nitrogen, water vapor, and their mixture. The Ag clusters were breakdown when H2O gas was introduced and the fact of the breakdown of the cluster is necessary for appearing the strong PL band. It was suggested that the structural change in the zeolite induced by the formation and breakdown of the Ag clusters is key point of the PL mechanism.

リンク情報
DOI
https://doi.org/10.1088/1742-6596/502/1/012033
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000336481100033&DestApp=WOS_CPL
ID情報
  • DOI : 10.1088/1742-6596/502/1/012033
  • ISSN : 1742-6588
  • Web of Science ID : WOS:000336481100033

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