2006年2月
Positron annihilation studies of mesoporous silica films using a slow positron beam
APPLIED SURFACE SCIENCE
- ,
- ,
- ,
- ,
- ,
- ,
- 巻
- 252
- 号
- 9
- 開始ページ
- 3221
- 終了ページ
- 3227
- 記述言語
- 英語
- 掲載種別
- DOI
- 10.1016/j.apsusc.2005.08.078
- 出版者・発行元
- ELSEVIER SCIENCE BV
Positron annihilation lifetime, spectra were measured for mesoporous silica films, which were synthesized using triblock copolymer (EO106PO70EO106) a; a structure-directing agent. Different positron lifetime spectra for the deposited and calcined films indicated the formation of meso-structure after calcination, which was confirmed by Fourier transform infrared (FTIR) spectra and field emission-scanning electron microscopy (FE-SEM) observation. Open porosity or pore interconnectivity of a silica film might be evaluated by a two-dimensional positron annihilation lifetime spectrum of an uncapped film. Pore sizes and their distributions in the silica films were found to be affected by thermal treatments. (c) 2005 Elsevier B.V All rights reserved.
- リンク情報
- ID情報
-
- DOI : 10.1016/j.apsusc.2005.08.078
- ISSN : 0169-4332
- Web of Science ID : WOS:000236021300022