| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
We have substituted thiol-terminated LC molecules for the surfactant used to stabilize gold nanorods in order to add LC character to the nanorods. TEM observation of the nanorods indicates inter-rod interactions are seen on the arrangement of the nanorods. SAXS experiments were carried out for the nanorods in a solution to investigate orientational interaction between them without the influence of TEM grid surface. Distance distribution functions obtained from SAXS profiles show end-to-end interactions are more predominant than side-by-side as the aspect ratio of a nanorod increases. Cyanobiphenyl groups in the LC molecules preferably substituted at both ends of nanorods can interact electrostatically to arrange them.
On the basis of inter-rod interactions, we have applied an electric field to LC-capped nanorods in order to align them along the field. We have observed that SAXS intensities decrease with increasing AR, when an electric field is applied to nanorods in a solution cell.
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