Face-Centered-Cubic Artificial Opal Embedded with CdS Quantum
Dots
XU Ling, LI Ming-Hai, ZHANG Yu, MA Yi, XU Jun, HUANG Xin-Fan, CHEN Kun-Ji
National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093
Face-Centered-Cubic Artificial Opal Embedded with CdS Quantum
Dots
XU Ling;LI Ming-Hai;ZHANG Yu;MA Yi;XU Jun;HUANG Xin-Fan;CHEN Kun-Ji
National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093
关键词 ：
81.16.Dn ,
68.65.Hb ,
42.70.Qs
Abstract ： Highly monodispersed colloidal silica spheres in sub-micrometer size with distribution standard deviation less than 5% were synthesized by a chemical method. Using the self-crystallization of the silica spheres, we successfully obtained the three-dimensional close-packed fcc silica matrices and artificial opals. Then, a colloidal photonic crystal embedded with CdS quantum dots (QDs) was also chemically prepared by using artificial opals as a template. A reflection spectra study reveals that both artificial opals with and without CdS QDs possess (111) directional photonic bandgap features.
Key words ：
81.16.Dn
68.65.Hb
42.70.Qs
出版日期: 2002-09-01
引用本文:
XU Ling;LI Ming-Hai;ZHANG Yu;MA Yi;XU Jun;HUANG Xin-Fan;CHEN Kun-Ji. Face-Centered-Cubic Artificial Opal Embedded with CdS Quantum
Dots[J]. 中国物理快报, 2002, 19(9): 1377-1379.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I9/1377
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2002, Vol. 19 
