Abstract:Gravity can affect the agglomeration of nanoparticles by changing convection and sedimentation. The temperature‐induced agglomeration of hexadecanethiol‐capped gold nanoparticles in microgravity (µ g) is studied at the ZARM (Center of Applied Space Technology and Microgravity) drop tower and compared to their agglomeration on the ground (1 g). Nonpolar nanoparticles with a hydrodynamic diameter of 13 nm are dispersed in tetradecane, rapidly cooled from 70 to 10 °C to induce agglomeration, and observed by dynam… Show more
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