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Issue 20, 2017
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Observation of crystalline changes of titanium dioxide during lithium insertion by visible spectrum analysis

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Abstract

Real-time analysis of changes in the atomic environment of materials is a cutting edge technology that is being used to explain reaction dynamics in many fields of science. Previously, this kind of analysis was only possible using heavy nucleonic equipment such as XANES and EXAFS, or Raman spectroscopy on a moderate scale. Here, a new methodology is described that can be used to track changes in crystalline developments during complex Li insertion reactions via the observation of structural color. To be specific, the changes in atomic crystalline and nanostructure are shown during Li insertion in a complex TiO2 polymorph. Structural color corresponds to the refractive indices of materials originating from their atomic bonding nature and precise wave interferences in accordance with their nanostructure. Therefore, this new analysis simultaneously reveals changes in the nanostructure as well as changes in the atomic bonding nature of materials.

Graphical abstract: Observation of crystalline changes of titanium dioxide during lithium insertion by visible spectrum analysis

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Publication details

The article was received on 14 Mar 2017, accepted on 24 Apr 2017 and first published on 27 Apr 2017


Article type: Paper
DOI: 10.1039/C7CP01613A
Citation: Phys. Chem. Chem. Phys., 2017,19, 13140-13146
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    Observation of crystalline changes of titanium dioxide during lithium insertion by visible spectrum analysis

    I. Nam, J. Park, S. Park, S. Bae, Y. G. Yoo, J. W. Han and J. Yi, Phys. Chem. Chem. Phys., 2017, 19, 13140
    DOI: 10.1039/C7CP01613A

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