要不要參考看看這篇paper呢?
Seed-Mediated Synthesis of Branched Gold Nanocrystals Derived from the Side Growth of Pentagonal Bipyramids and the Formation of Gold Nanostars
Chem. Mater. 2009, 21, 110-114
他是用兩次的seeding growth?砗统捎行螤畹慕鹉蚊琢W樱菉呏贿M行一次的seed transfer應該有機會得到十幾奈米的金奈米粒子