Low-dimensional Assembly of pi-Conjugated Units
| Project/Area Number |
26810111
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Polymer/Textile materials
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 高分子超薄膜 / 両親媒性高分子 / 有機エレクトロニクス / 表面化学 / Langmuir-Blodgett法 / π共役系ユニット / X線反射率 / π共役系分子 / 二次元集積 / 超薄膜 / 自己組織化 |
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| Outline of Final Research Achievements |
We fabricated ultra-thin films consisting of highly ordered π-conjugated functional groups. Carbazole-containing polymer pCzAA was prepared by free radical polymerization of amphiphilic monomer with amide groups. For the pCzAA, only a small amount (less than 20 mol%) of amphiphilic polymer, poly(N-dodecylacrylamide), (pDDA), which has long alkyl chains as a hydrophobic part, enhances the pCzAA monolayer stability. This high mixing ratio of pCzAA to pDDA (90 mol%) exceeds the percolation threshold in the two-dimensional plane (45 mol%), which assures a charge transport pathway in the in-plane direction. pCzAA:pDDA blend monolayers were transferred onto various substrates over 80 layers in high order. X-ray reflectivity measurements revealed that pCzAA:pDDA films had a highly ordered layered structure. Therefore, we conclude that the dimension control from 2D to 3D of π-conjugated unit nanoassemblies was realized by LB technique with acrylamide-based polymers with π-conjugated units.
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Report
(4 results)
Research Products
(46 results)
