Dynamical study of Vaporization-induced rapid assembly of colloidal crystals

• Main Authors: Min-Hua ,Li, 李旻樺
• Other Authors: Ming-Shan,Tsai
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/03694563179928834702

碩士 === 國立嘉義大學 === 電子物理學系研究所 === 99 === Time-dependent light signal induced from the arrangement of silica colloids is an important and interesting part of the recent studies, which focused to fabricate a novel three-dimensional nanostructure in a limited time as short as possible. However, the time of few days is still necessary for the fabrication process in these studies. In our experiment, a method for fabricating a hexagonal arrangement of silica spheres within few minutes was developed by using a homemade heater consisted of a furnace and a reflectance measurement system. The close connection between the formation mechanism of this ordered nanostructure and the reflectance spectrum was well established in this study. The response in the time trace of the reflectance was used to explain the dynamic formation process. It was found that the formation of this hexagonal nanostructure of silica spheres was mainly contributed to the vapor produced from the silica colloidal solution.