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向列型 director 诱导的六方紧密堆积金纳米棒组装体的转变。

Nematic director-induced switching of assemblies of hexagonally packed gold nanorods.

机构信息

Bristol Centre for Functional Nanomaterials, Centre for NSQI, University of Bristol, Tyndall Avenue, Bristol, BS8 1FD UK.

出版信息

Adv Mater. 2012 Aug 22;24(32):4424-9. doi: 10.1002/adma.201201319. Epub 2012 Jul 3.

DOI:10.1002/adma.201201319
PMID:22761047
Abstract

Self-assembled disc-shaped clusters of hexagonally packed, thiol-functionalized gold nanorods are prepared and dispersed in thermotropic nematic liquid crystals. The resultant hybrid complex fluids exhibit colloidal anisotropy with very high orientational order and are characterized by SAXS as shown in the figure. Precise, reconfigurable control of the cluster orientation at very low electric field strengths (0.18 V μm(-1) ) is achieved.

摘要

自组装的六方密堆积、巯基功能化金纳米棒盘状聚集体被制备并分散在热致向列液晶中。如图所示，所得混合复杂流体表现出具有非常高取向有序度的胶体各向异性，并通过 SAXS 进行了表征。在非常低的电场强度（0.18 V μm（-1））下实现了对聚集体取向的精确、可重构控制。

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