Molecular-Wires Heterojunction Created by Precise Electrochemical Polymerization
| Project/Area Number |
18310068
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nanostructural science
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| Research Institution | Shizuoka University |
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Principal Investigator |
SAKAGUCHI Hiroshi Shizuoka University, RESEARCH INSTITUTE OF ELFCTRONICS, ASSOCIATE PROFESSOR (30211931)
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| Project Period (FY) |
2006 – 2007
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| Project Status |
Completed (Fiscal Year 2007)
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| Budget Amount *help |
¥16,750,000 (Direct Cost: ¥15,700,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2007: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2006: ¥12,200,000 (Direct Cost: ¥12,200,000)
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| Keywords | Molecular Wires / Surface Science / Electrechemistry / 表面化学 / 分子ワイヤ |
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| Research Abstract |
We report a first visualization of conjugated copolymers which are produced on surfaces with a single-molecular scale. Electrochemical polymerization of two different kinds of thiophene monomers on an iodine-covered gold surface could create the highly assembled conjugated copolymers with different electronic structures in which one part is a flattened polythiophene with low energy gap while other part is a twisted one with high energy gap. Scanning tunneling microscope (STM) clearly captured the snapshots of several linkage types: diblock, triblock and multiblock. Single strand of conjugated copolymers exhibited an anomalous swinging motion on surface. This technique presents the possibility of understanding the copolymerization process from the different monomers with a single-molecular scale, and also building a single-molecular superlattice on a surface using controlled electropolymerization.
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Report
(3 results)
Research Products
(17 results)
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[Presentation] 単一導電性高分子細線の表面重合2007
Author(s)
坂口浩司
Organizer
応用物理学会 シンポジウム招待講演
Place of Presentation
北海道工業大学、札幌
Year and Date
2007-09-05
Description
「研究成果報告書概要(和文)」より
Related Report
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