Tailoring the Surface and Solubility Properties of Nanocrystalline Titania by a Nonaqueous In Situ Functionalization Process

The reaction between titanium tetrachloride and benzyl alcohol in the presence of enediol ligands such as dopamine and 4-tert-butylcatechol provides a simple nonaqueous route to in situ surface functionalization of titania nanoparticles

Markus Niederberger; Georg Garnweitner; Frank Krumeich; Reinhard Nesper; Helmut Cölfen; Markus Antonietti

2004

Scholarcy highlights

  • The reaction between titanium tetrachloride and benzyl alcohol in the presence of enediol ligands such as dopamine and 4-tert-butylcatechol provides a simple nonaqueous route to in situ surface functionalization of titania nanoparticles
  • The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online
  • The surface chemistry of the 4-tert-butylcatechol-functionalized particles dissolved in dimethylformamide was analyzed by 1H NMR measurements revealing the presence of adsorbed 4-tert-butylcatechol, in addition to benzyl alcohol and water
  • Ultracentrifugation analysis of dopamine-functionalized titania nanoparticles dissolved in water shows a particle size distribution of approximately 3.5−8 nm with the peak maximum at 5.5 nm
  • The UV−vis detector system of the ultracentrifuge allows the measurement of the absorption spectra dependent on the particle size, showing an unusual red shift with decreasing particle size
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