Reactor system for the study of high-temperature short-time sintering of nanoparticles

M.J. Kirchhof, H.-J. Schmid, W. Peukert, Review of Scientific Instruments 75 (2004) 4833–4840.

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Journal Article | Published | English
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Abstract
A high-temperature short residence time flow reactor system has been realized for the investigation of the gas phase sintering kinetics of nanoparticles separated from all other synthesis mechanisms, e.g., chemical reaction, nucleation, coagulation and condensation. Major components are a hot-wall tubular reactor for the production of unsintered aggregates consisting of spherical primary particles in the size range 10–80 nm and a sintering reactor for the investigation of the sintering kinetics at well-defined temperature and residence time history. Therefore, rapid heating and quenching of the particles at the beginning and at the end of the reaction zone, respectively, is maintained. Main parameters in the sintering reactor are: temperatures up to 1873 K and residence times in the range 8–1000 ms. The reactor conditions are characterized by temperature profile measurements with a newly constructed suction thermocouple probe and by computational fluid dynamics simulations of the residence time distributions. Exemplary results of the sintering of silica nanoparticles obtained by transmission electron microscopy analysis are presented.
Publishing Year
Journal Title
Review of Scientific Instruments
Volume
75
Issue
11
Page
4833-4840
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Kirchhof MJ, Schmid H-J, Peukert W. Reactor system for the study of high-temperature short-time sintering of nanoparticles. Review of Scientific Instruments. 2004;75(11):4833-4840. doi:10.1063/1.1809258
Kirchhof, M. J., Schmid, H.-J., & Peukert, W. (2004). Reactor system for the study of high-temperature short-time sintering of nanoparticles. Review of Scientific Instruments, 75(11), 4833–4840. https://doi.org/10.1063/1.1809258
@article{Kirchhof_Schmid_Peukert_2004, title={Reactor system for the study of high-temperature short-time sintering of nanoparticles}, volume={75}, DOI={10.1063/1.1809258}, number={11}, journal={Review of Scientific Instruments}, author={Kirchhof, Martin J. and Schmid, Hans-Joachim and Peukert, Wolfgang}, year={2004}, pages={4833–4840} }
Kirchhof, Martin J., Hans-Joachim Schmid, and Wolfgang Peukert. “Reactor System for the Study of High-Temperature Short-Time Sintering of Nanoparticles.” Review of Scientific Instruments 75, no. 11 (2004): 4833–40. https://doi.org/10.1063/1.1809258.
M. J. Kirchhof, H.-J. Schmid, and W. Peukert, “Reactor system for the study of high-temperature short-time sintering of nanoparticles,” Review of Scientific Instruments, vol. 75, no. 11, pp. 4833–4840, 2004, doi: 10.1063/1.1809258.
Kirchhof, Martin J., et al. “Reactor System for the Study of High-Temperature Short-Time Sintering of Nanoparticles.” Review of Scientific Instruments, vol. 75, no. 11, 2004, pp. 4833–40, doi:10.1063/1.1809258.

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