Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition

doi:10.1088/1674-1056/24/2/028104

›› 2015, Vol. 24 ›› Issue (2): 28104-028104.doi: 10.1088/1674-1056/24/2/028104

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition

赵永强, 李娟, 刘秋艳, 董文钧, 陈本永, 李超荣

Department of Physics and Key Laboratory of ATMMT Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China

收稿日期:2014-05-28 修回日期:2014-07-07 出版日期:2015-02-05 发布日期:2015-02-05
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 91122022 and 51172209) and the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT), China (Grant No. IRT13097).

Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition

Zhao Yong-Qiang (赵永强), Li Juan (李娟), Liu Qiu-Yan (刘秋艳), Dong Wen-Jun (董文钧), Chen Ben-Yong (陈本永), Li Chao-Rong (李超荣)

Department of Physics and Key Laboratory of ATMMT Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China

Received:2014-05-28 Revised:2014-07-07 Online:2015-02-05 Published:2015-02-05
Contact: Li Chao-Rong E-mail:crli@zstu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 91122022 and 51172209) and the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT), China (Grant No. IRT13097).

摘要/Abstract

摘要： The relationship between colloidal particle transfer and the quality of colloidal photonic crystal (CPC) is investigated by comparing colloidal particle self-assembling under the vertical channel (VC) and horizontal channel (HC) conditions. Both the theoretical analyses and the experimental measurements indicate that crystal quality depends on the stability of mass transfer. For the VC, colloidal particle transfer takes place in a stable laminar flow, which is conducive to forming high-quality crystal. In contrast, it happens in an unstable turbulent flow for the HC. Crystals with cracks and an uneven surface formed under the HC condition can be seen from the images of a field emission scanning electron microscope (SEM) and a three-dimensional (3D) laser scanning microscope (LSM), respectively.

关键词: colloidal particle transfer, colloidal photonic crystal, vertical channel, horizontal channel

Abstract: The relationship between colloidal particle transfer and the quality of colloidal photonic crystal (CPC) is investigated by comparing colloidal particle self-assembling under the vertical channel (VC) and horizontal channel (HC) conditions. Both the theoretical analyses and the experimental measurements indicate that crystal quality depends on the stability of mass transfer. For the VC, colloidal particle transfer takes place in a stable laminar flow, which is conducive to forming high-quality crystal. In contrast, it happens in an unstable turbulent flow for the HC. Crystals with cracks and an uneven surface formed under the HC condition can be seen from the images of a field emission scanning electron microscope (SEM) and a three-dimensional (3D) laser scanning microscope (LSM), respectively.

Key words: colloidal particle transfer, colloidal photonic crystal, vertical channel, horizontal channel

中图分类号: (Self-assembly)

81.16.Dn

81.10.Dn (Growth from solutions) 47.15.-x (Laminar flows) 47.27.-i (Turbulent flows)

赵永强, 李娟, 刘秋艳, 董文钧, 陈本永, 李超荣. Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition[J]. , 2015, 24(2): 28104-028104.

Zhao Yong-Qiang (赵永强), Li Juan (李娟), Liu Qiu-Yan (刘秋艳), Dong Wen-Jun (董文钧), Chen Ben-Yong (陈本永), Li Chao-Rong (李超荣). Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition[J]. Chin. Phys. B, 2015, 24(2): 28104-028104.

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Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition

Influence of colloidal particle transfer on the quality of self-assembling colloidal photonic crystal under confined condition

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