2013 Fiscal Year Final Research Report
Radical/Ion-Containing Block Copolymers: Self-Assembly and Application toward Organic Devices
| Project/Area Number |
23550139
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Polymer chemistry
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| Research Institution | Waseda University |
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Principal Investigator |
SUGA Takeo 早稲田大学, 高等研究所, 助教 (10409659)
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| Project Period (FY) |
2011 – 2013
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| Keywords | ミクロ相分離 / ブロック共重合体 / ラジカル / イオン液体 / 精密重合 / 有機メモリ / 走査プローブ顕微鏡 / クリック反応 |
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| Research Abstract |
A well-defined mesostructure of block copolymer templates was successfully functionalized with redox-active radicals and charge-compensating ionic groups via ionic liquid-assisted self-assembly. The obtained PS-b-PEO layer containing TEMPO-IL 1 exhibited morphology-driven modulation of charge-transport (on/off switching) in an organic thin film device. Location of radical and ionic molecules was correlated with resistive memory characteristics (rewritable/WORM, etc). We applied Kelvin Probe Force Microscopy (KPFM) technique and conductive AFM to visualize local surface potential and local conductivity change of microdomains under the programmed bias. Radical- and ion-functionalized block copolymers were also synthesized via controlled radical polymerization and ring-opening metathesis polymerization, and utilized as the active layer for organic memory.
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[Remarks] 若手研究講演賞 新学術領域「元素ブロッ ク高分子の創出」第1回若手シンポジウム(2013.10.)
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[Remarks] 高分子学会研究奨励賞 受賞(2013.5.)
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[Remarks] アメリカ化学会高分子材料部門(ACS, PMSE Division) "Macro 2012 Lecture Award" in IUPAC World Polymer Congress (Macro 2012), (口頭800件の中で8件, 2012.6.)
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