Monitoring simultaneously the growth of nanoparticles and aggregates by in situ ultra-small-angle x-ray scattering
作者： Hendrik K. Kammler , Gregory Beaucage , Douglas J. Kohls , Nikhil Agashe , Jan Ilavsky
DOI: 10.1063/1.1855391
关键词: Small-angle scattering 、 Small-angle X-ray scattering 、 Analytical chemistry 、 Adiabatic flame temperature 、 Radius of gyration 、 Materials science 、 Particle 、 Advanced Photon Source 、 Geometric standard deviation 、 Scattering
摘要: Ultra-small-angle x-ray scattering can provide information about primary particles and aggregates from a single experiment. This technique is applied in situ to flame aerosol reactors for monitoring simultaneously the particle aggregate growth dynamics of oxide nanoparticles flame. was enabled through use third generation synchrotron source (Advanced Photon Source, Argonne IL, USA) using specialized instrumentation at UNICAT facility which capable measuring nanoscales microscales (1nmto1μm). More specifically, evolution primary-particle diameter, mass-fractal dimension, geometric standard deviation, silica volume fraction, number concentration, radius gyration aggregate, per are measured along axis two different premixed flames. All these characteristics were derived nonintrusive measurement technique. Flame temperature profile...
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