Switching of ferroelectric liquid crystal doped with cetyltrimethylammonium bromide-assisted CdS nanostructures

作者: Kaushik Pal , Uday Narayan Maiti , Tapas Pal Majumder , Subhas Chandra Debnath , Sharmistha Ghosh

DOI: 10.1088/0957-4484/24/12/125702

关键词:

摘要: Large scale high yield cadmium sulfide (CdS) nanowires with uniform diameter were synthesized using a rapid and simple solvo-chemical hydrothermal route assisted by the surfactant cetyltrimethylammonium bromide (CTAB). Unique CdS of different morphologies could be selectively produced only varying concentration CTAB in reaction system acetate, sulfur powder ethylenediamine. We obtained diameters 64–65 nm lengths up to several micrometers. A comparative study optical properties ferroelectric liquid crystal (FLC) Felix-017/100 doped 1% was performed. Response times order from 160 180 μs, rotational viscosities 5000 3000 mN s m−2 polarizations 10 70 nC cm−2 measured. also observed an anti-ferroelectric transition for FLC instead paraelectric pure FLC.

参考文章(45)
Sergei I. Nikitenko, Yuri Koltypin, Yitzhak Mastai, Maxim Koltypin, Aharon Gedanken, Sonochemical synthesis of tungsten sulfide nanorods Journal of Materials Chemistry. ,vol. 12, pp. 1450- 1452 ,(2002) , 10.1039/B110867K
Noel A. Clark, Sven T. Lagerwall, Submicrosecond bistable electro‐optic switching in liquid crystals Applied Physics Letters. ,vol. 36, pp. 899- 901 ,(1980) , 10.1063/1.91359
Chung-Sung Yang, David D. Awschalom, Galen D. Stucky, Growth of CdS Nanorods in Nonionic Amphiphilic Triblock Copolymer Systems Chemistry of Materials. ,vol. 14, pp. 1277- 1284 ,(2002) , 10.1021/CM011227B
Jum Suk Jang, Upendra A. Joshi, Jae Sung Lee, Solvothermal Synthesis of CdS Nanowires for Photocatalytic Hydrogen and Electricity Production Journal of Physical Chemistry C. ,vol. 111, pp. 13280- 13287 ,(2007) , 10.1021/JP072683B
Guo-yue XU, Han WANG, Chuan-wei CHENG, Hai-qian ZHANG, Jie-ming CAO, Guang-bin JI, Synthesis of single crystalline CdS nanowires with polyethylene glycol 400 as inducing template Transactions of Nonferrous Metals Society of China. ,vol. 16, pp. 105- 109 ,(2006) , 10.1016/S1003-6326(06)60018-6
Kaushik Pal, Uday Narayan Maiti, Tapas Pal Majumder, Subhas Chandra Debnath, A facile strategy for the fabrication of uniform CdS nanowires with high yield and its controlled morphological growth with the assistance of PEG in hydrothermal route Applied Surface Science. ,vol. 258, pp. 163- 168 ,(2011) , 10.1016/J.APSUSC.2011.08.024
I. Dierking, G. Scalia, P. Morales, Liquid crystal–carbon nanotube dispersions Journal of Applied Physics. ,vol. 97, pp. 044309- ,(2005) , 10.1063/1.1850606
Wei Lee, Chun-Yu Wang, Yu-Cheng Shih, Effects of carbon nanosolids on the electro-optical properties of a twisted nematic liquid-crystal host Applied Physics Letters. ,vol. 85, pp. 513- 515 ,(2004) , 10.1063/1.1771799