Lithium Insertion into Titanium Dioxide (Anatase): A Raman Study with 16/18O and 6\7Li Isotope Labeling

被引：16

作者：

Laskova, Barbora ^{[1
,2
]}

Frank, Otakar ^{[1
]}

Zukalova, Marketa ^{[1
]}

Bousa, Milan ^{[1
,2
]}

Dracinsky, Martin ^{[3
]}

Kavan, Ladislav ^{[1
,2
]}

机构：

[1] Vvi Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, Prague 18223 8, Czech Republic

[2] Charles Univ Prague, Dept Inorgan Chem, Fac Sci, Prague 12843 2, Czech Republic

[3] Vvi Acad Sci Czech Republ, Inst Organ Chem & Biochem, Prague 16610 6, Czech Republic

来源：

CHEMISTRY OF MATERIALS | 2013年 / 25卷 / 18期

关键词：

titanium dioxide; lithium insertion; Raman spectroscopy; spectroelectrochemistry; NANOCRYSTALLINE TIO2 ANATASE; NANOSTRUCTURED TIO2; STRUCTURAL-CHANGES; INTERCALATION; MORPHOLOGY; ELECTROCHEMISTRY; ELECTRODES; STORAGE; LIXTIO2; OXIDES;

D O I：

10.1021/cm402056j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electrochemical and chemical (with n-butyllithium) insertion of Li into TiO2 (anatase) is studied by Raman spectroscopy and by in situ Raman spectroelectrochemistry. Four isotopologue combinations in the system, namely (LixTiO2)-Li-6/7-O-16/18 (with x being the insertion coefficient), are prepared and studied. Spectral assignment is supported by numerical simulations using DFT calculations. The combination of experimental and theoretical Raman frequencies with the corresponding isotopic shifts brings new inputs for several still open questions about the Li-insertion into TiO2 (anatase).

引用

页码：3710 / 3717

页数：8

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