Nanopicture of the Day

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January 22, 2004

Striped Nanoparticles

Source: Mingyong Han

      References:

Zhongping Zhang, Mingyong Han "Template-directed growth from small clusters into uniform silver nanoparticles"  Chemical Physics Letters 374, 91–94 (2003).


Description:

A separate two-step process with a rapid nucleation and a subsequent template-directed growth has been employed to synthesize uniform silver nanoparticles, which avoids a classical un-refrained ripening process resulting in a wide size distribution. Some silver nanocrystallites prepared by this approach are particularly interesting because of their unusual nanostructures with multiple nanostripes caused by stacking faults.  This high resolution transmission electron microscope (HRTEM) image shows a Ag nanoparticle with unique multiple nanostripes.
 

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