Coalescence Behavior of Gold Nanoparticles
The Cultivation Base for State Key Laboratory, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, People’s Republic of China
Nanoscale Research Letters 2009, 4:684-688 doi:10.1007/s11671-009-9298-6Published: 20 March 2009
The tetraoctylammonium bromide (TOAB)-stabilized gold nanoparticles have been successfully fabricated. After an annealing of the as-synthesized nanoparticles at 300 °C for 30 min, the coalescence behavior of gold nanoparticles has been investigated using high-resolution transmission electron microscopy in detail. Two types of coalescence, one being an ordered combination of two or more particles in appropriate orientations through twinning, and the other being an ordered combination of two small particles with facets through a common lattice plane, have been observed.