On-Surface Synthesis of Heptacene Organometallic Complexes
We report the on-surface formation of Au-directed heptacene organometallic complexes on a Au(111) template in an ultrahigh vacuum environment. Successive thermal annealing steps investigated by means of scanning tunneling microscopy, noncontact atomic force microscopy, temperature-programmed desorpt...
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| Veröffentlicht in: | Journal of the American Chemical Society 2017-08, Vol.139 (34), p.11658-11661 |
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| container_issue | 34 |
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| container_title | Journal of the American Chemical Society |
| container_volume | 139 |
| creator | Urgel, José I Hayashi, Hironobu Di Giovannantonio, Marco Pignedoli, Carlo A Mishra, Shantanu Deniz, Okan Yamashita, Masataka Dienel, Thomas Ruffieux, Pascal Yamada, Hiroko Fasel, Roman |
| description | We report the on-surface formation of Au-directed heptacene organometallic complexes on a Au(111) template in an ultrahigh vacuum environment. Successive thermal annealing steps investigated by means of scanning tunneling microscopy, noncontact atomic force microscopy, temperature-programmed desorption and density functional theory reveal the formation of heptacene organometallic complexes via a selective two-step activation of an α-diketone-protected heptacene precursor. Furthermore, we demonstrate the efficiency of tip-induced deprotection experiments as a complementary strategy in the complex formation. Our results provide perspectives for the on-surface synthesis of larger acenes featuring potential use in the fields of organic electronics, spintronics and nonlinear optics. |
| doi_str_mv | 10.1021/jacs.7b05192 |
| format | Article |
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| title | On-Surface Synthesis of Heptacene Organometallic Complexes |
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