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Acid/base induced linkage isomerization of alizarin red adsorbed onto nano-porous TiO2surfaces

Authors
Journal
Surface Science
0039-6028
Publisher
Elsevier
Publication Date
Volume
600
Issue
22
Identifiers
DOI: 10.1016/j.susc.2006.08.027
Keywords
  • Alizarin Red
  • Diffuse Reflectance Ftir
  • Titanium Dioxide

Abstract

Abstract Diffuse reflectance FTIR studies indicate that alizarin red (1,2-dihydroxy-9-10-anthraquinone sulfonic acid) undergoes reversible acid/base induced linkage isomerization on nano-porous TiO 2 surfaces. It is also possible to convert molecules from surface orientation, ARS-(TiO 2-1,9) to the ARS-(TiO 2-1,2) by thermal activation.

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