Study of the orientation of nanorods in liquid crystals.

• Other Authors: Tam, Yiu Ho.
• Format: Others
• Language: English; Chinese
• Published: 2010
• Subjects: Nanostructures; LIquid crystals
• Online Access: http://library.cuhk.edu.hk/record=b5896631; http://repository.lib.cuhk.edu.hk/en/item/cuhk-327023

Tam, Yiu Ho = 納米線在液晶中的取向研究 / 譚耀豪. === "November 2009." === Accompanying CD-ROM contains data files. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. === Includes bibliographical references (leaves 79-83). === Abstracts in English and Chinese. === Library's copy: lacks accompanying CD-ROM. === Tam, Yiu Ho = Na mi xian zai ye jing zhong de qu xiang yan jiu / Tan Yaohao. === Abstract --- p.1 === 摘要 --- p.2 === Acknowledgements --- p.3 === Table of contents --- p.4 === Chapter Chapter 1 --- Introduction --- p.8 === Chapter 1.1 --- Background --- p.8 === Chapter 1.2 --- Review of Liquid crystals --- p.8 === Chapter 1.2.1 --- Molecular structure --- p.8 === Chapter 1.2.2 --- Phases --- p.10 === Chapter 1.2.3 --- Classification of liquid crystalline phases --- p.11 === Chapter 1.2.4 --- Elastic property --- p.12 === Chapter 1.2.5 --- Electrical property --- p.13 === Chapter 1.2.6 --- Optical property --- p.14 === Chapter 1.2.7 --- Alignment methods of liquid crystals --- p.14 === Chapter 1.2.8 --- Dynamics of the director of liquid crystals --- p.15 === Chapter 1.2.9 --- Transmittance calculations --- p.17 === Chapter 1.3 --- Interactions between liquid crystal and nanorods --- p.19 === Chapter 1.3.1 --- Longitudinal anchoring --- p.19 === Chapter 1.3.2 --- Theoretical model of the elastic interaction --- p.20 === Chapter 1.4 --- Motivations --- p.22 === Chapter 1.5 --- Our work --- p.23 === Chapter 1.6 --- Overview of the thesis --- p.23 === Chapter Chapter 2 --- Experiments --- p.24 === Chapter 2.1 --- Cell fabrications --- p.24 === Chapter 2.2 --- Filling of liquid crystal and dispersing nanorods --- p.26 === Chapter 2.3 --- Measurements --- p.27 === Chapter 2.3.1 --- Measurements of alignment and deduction of the orientation of nanorods --- p.27 === Chapter 2.3.2 --- Measurements of the optical transmittance of liquid crystal cells --- p.27 === Chapter 2.4 --- Experimental procedures --- p.29 === Chapter 2.4.1 --- Study of the statics of nanorods and liquid crystal --- p.29 === Chapter 2.4.2 --- Study of the dynamics of nanorods and liquid crystal --- p.30 === Chapter Chapter 3 --- Numerical solutions of the equations of motions --- p.31 === Chapter 3.1 --- Solving procedures --- p.31 === Chapter 3.1.1 --- Conversion of differential equations into difference equations --- p.31 === Chapter 3.1.2 --- Solving algorithm --- p.33 === Chapter 3.2 --- Comparison of numerical and analytical solutions --- p.35 === Chapter 3.2.1 --- Analytic solution of a simplified equation of motion --- p.35 === Chapter 3.2.2 --- Checking for the agreement between the numerical and analytic results --- p.36 === Chapter 3.2.3 --- Checking for the accuracy of the numerical results --- p.39 === Chapter Chapter 4 --- Method of analysis --- p.41 === Chapter 4.1 --- Deduction of the orientation of nanorods --- p.41 === Chapter 4.2 --- Method of curves fitting to experimental data --- p.43 === Chapter 4.2.1 --- Procedures of fitting the transmission curves --- p.43 === Chapter 4.2.2 --- Procedures of fitting the curves of angle ß --- p.44 === Chapter Chapter 5 --- Results and discussion --- p.48 === Chapter 5.1 --- Study of the statics of nanorods and liquid crystal --- p.48 === Chapter 5.1.1 --- Study of the alignment ability of liquid crystal on the nanorods --- p.48 === Chapter 5.1.2 --- Study of the longitudinal anchoring effect of liquid crystal on the nanorods --- p.54 === Chapter 5.2 --- Study of the dynamics of nanorods and the liquid crystal --- p.57 === Chapter 5.2.1 --- Dependence on the length of nanorods --- p.57 === Chapter 5.2.1 --- Temperature dependence on the LC-nanorod interaction --- p.66 === Chapter Chapter 6 --- Conclusions --- p.76 === References --- p.79 === Appendices --- p.84