Organic rectifying junctions from an electron-accepting molecular wire and an electron-donating phthalocyanine |
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| Authors: | Ashwell Geoffrey J Tyrrell Wayne D Urasinska Barbara Wang Changsheng Bryce Martin R |
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| Institution: | Nanomaterials Group, Cranfield University, Cranfield, UK MK43 0AL. g.j.ashwell@cranfield.ac.uk |
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| Abstract: | Self-assembled monolayers (SAMs) of arylene-ethynylene oligomers that incorporate electron-accepting 9-fluorenone and 9-(4-pyridyl)methylene]fluorene units in the backbone exhibit symmetrical current-voltage (I-V) characteristics, but rectifying junctions with current ratios of 20-80 at +/-1 V have been obtained by protonating these wire-like molecules and ionically coupling with anionic donors. |
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