Bidirectional molecular reorientation induced by localized surface plasmon

被引：1
|
作者：
Karpinski, Pawel [1 ]
Miniewicz, Andrzej [1 ]
机构：
[1] Wroclaw Univ Technol, Inst Phys & Theoret Chem, PL-50370 Wroclaw, Poland
来源：
RSC ADVANCES | 2014年 / 4卷 / 06期
关键词：
GOLD NANOPARTICLES; LIQUID-CRYSTAL; OPTICAL-PROPERTIES; SHAPE; SIZE; FILMS; DYE;
D O I：
10.1039/c3ra45032e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report about the opposite direction of molecular reorientation induced by the light of wavelength at two sides of the plasmonic resonance spectrum. The molecular reorientation is highly enhanced due to the electric field concentration for wavelength close to the resonance of the metal nanoparticle. We theoretically investigate and confirm by discrete-dipole approximation method calculations the mechanism of reorientation of nematic liquid crystal molecules upon interaction with localized surface plasmon.
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页码：2673 / 2677
页数：5
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