Synthesis of in situ functionalized iron oxide nanoparticles presenting alkyne groups via a continuous process using near critical and supercritical water
de Tercero, Maren Daschner, Martinez, Isai Gonzales, Herrmann, Michael, Bruns, Michael, Kuebel, Christian, Jennewein, Stefan, Fehrenbacher, Ulrich, Barner, Leonie, & Tuerk, Michael (2013) Synthesis of in situ functionalized iron oxide nanoparticles presenting alkyne groups via a continuous process using near critical and supercritical water. Journal of Supercritical Fluids, 82, pp. 83-95.
The preparation of iron oxide nanoparticle dispersions of varying properties (e.g. color, crystal structure, particle size distribution) in a continuous hydrothermal pilot plant operating under near-critical and supercritical conditions with the aim of producing in situ functionalized nanoparticles suitable for secondary functionalization via click chemistry is reported. The effect of varying the mixing setup, reaction temperature and the starting material (iron salt) in the presence of different carboxylic acids on the resulting nanoparticle dispersions was investigated. The stability of the clickable ligands in the harsh hydrothermal environment was also tested and the clickability of the functionalized particles was demonstrated by means of XPS and fluorescence measurements after model click reactions.
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|Item Type:||Journal Article|
|Keywords:||Supercritical hydrothermal flow synthesis; Iron oxide nanoparticles; Click chemistry; Hybrid nanoparticles|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Facilities:||Central Analytical Research Facility|
|Deposited On:||26 Jul 2016 23:12|
|Last Modified:||01 Aug 2016 01:20|
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