2011年8月
Nanosized Effect on Electronic/Local Structures and Specific Lithium-Ion Insertion Property in TiO2-B Nanowires Analyzed by X-ray Absorption Spectroscopy
CHEMISTRY OF MATERIALS
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- 巻
- 23
- 号
- 16
- 開始ページ
- 3636
- 終了ページ
- 3644
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1021/cm200902r
- 出版者・発行元
- AMER CHEMICAL SOC
TiO2-B nanowires were prepared by hydrothermal reaction, and the nanosized effect on lithium-ion insertion was investigated by using X-ray absorption spectroscopy (XAS). On the basis of the results of 0 K-edge X-ray absorption near-edge structure (XANES) of TiO2-B with various particle sizes, it was suggested that the surface of TiO2-B has local and electronic structures being different from the bulk, and the band energy of surface of TiO2-B was lower than that of the bulk. The band vended structure, which is called the space charge layer (SCL), makes lithium-ion insertion in TiO2-B smooth because the local structure of the SCL is maintained during the lithium-ion insertion, which is shown by Ti K-edge extended X-ray absorption fine structure (EXAFS) spectroscopy. It is suggested that control of the SCL, that is the nanosized effect, is a new design concept for achieving higher rate capability.
- リンク情報
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- DOI
- https://doi.org/10.1021/cm200902r
- J-GLOBAL
- https://jglobal.jst.go.jp/detail?JGLOBAL_ID=201102260537849136
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000293758900010&DestApp=WOS_CPL
- URL
- http://www.scopus.com/inward/record.url?eid=2-s2.0-80051749341&partnerID=MN8TOARS
- URL
- http://orcid.org/0000-0002-1491-2647
- ID情報
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- DOI : 10.1021/cm200902r
- ISSN : 0897-4756
- J-Global ID : 201102260537849136
- ORCIDのPut Code : 42857366
- SCOPUS ID : 80051749341
- Web of Science ID : WOS:000293758900010