On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains
Strain-induced on-surface transformations provide an appealing route to steer the selectivity towards desired products. Here, we demonstrate the selective on-surface synthesis of extended all-<i>trans</i> poly(2,6-pyridine) chains on Au(111). By combining high-resolution scanning tunneli...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-02-01
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| Series: | Chemistry |
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| Online Access: | https://www.mdpi.com/2624-8549/4/1/9 |
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| author | Laerte L. Patera Josef Amler Jascha Repp |
| author_facet | Laerte L. Patera Josef Amler Jascha Repp |
| author_sort | Laerte L. Patera |
| collection | DOAJ |
| description | Strain-induced on-surface transformations provide an appealing route to steer the selectivity towards desired products. Here, we demonstrate the selective on-surface synthesis of extended all-<i>trans</i> poly(2,6-pyridine) chains on Au(111). By combining high-resolution scanning tunneling and atomic force microscopy, we revealed the detailed chemical structure of the reaction products. Density functional theory calculations indicate that the synthesis of extended covalent structures is energetically favored over the formation of macrocycles, due to the minimization of internal strain. Our results consolidate the exploitation of internal strain relief as a driving force to promote selective on-surface reactions. |
| first_indexed | 2024-03-09T20:01:09Z |
| format | Article |
| id | doaj.art-a06e672ac2e94b3eae86176f8e4d8760 |
| institution | Directory Open Access Journal |
| issn | 2624-8549 |
| language | English |
| last_indexed | 2024-03-09T20:01:09Z |
| publishDate | 2022-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Chemistry |
| spelling | doaj.art-a06e672ac2e94b3eae86176f8e4d87602023-11-24T00:45:36ZengMDPI AGChemistry2624-85492022-02-014111211710.3390/chemistry4010009On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear ChainsLaerte L. Patera0Josef Amler1Jascha Repp2Institute of Experimental and Applied Physics, University of Regensburg, 93053 Regensburg, GermanyInstitute of Experimental and Applied Physics, University of Regensburg, 93053 Regensburg, GermanyInstitute of Experimental and Applied Physics, University of Regensburg, 93053 Regensburg, GermanyStrain-induced on-surface transformations provide an appealing route to steer the selectivity towards desired products. Here, we demonstrate the selective on-surface synthesis of extended all-<i>trans</i> poly(2,6-pyridine) chains on Au(111). By combining high-resolution scanning tunneling and atomic force microscopy, we revealed the detailed chemical structure of the reaction products. Density functional theory calculations indicate that the synthesis of extended covalent structures is energetically favored over the formation of macrocycles, due to the minimization of internal strain. Our results consolidate the exploitation of internal strain relief as a driving force to promote selective on-surface reactions.https://www.mdpi.com/2624-8549/4/1/9on-surface synthesisAFMSTMDFT calculations |
| spellingShingle | Laerte L. Patera Josef Amler Jascha Repp On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains Chemistry on-surface synthesis AFM STM DFT calculations |
| title | On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains |
| title_full | On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains |
| title_fullStr | On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains |
| title_full_unstemmed | On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains |
| title_short | On-Surface Synthesis of Polypyridine: Strain Enforces Extended Linear Chains |
| title_sort | on surface synthesis of polypyridine strain enforces extended linear chains |
| topic | on-surface synthesis AFM STM DFT calculations |
| url | https://www.mdpi.com/2624-8549/4/1/9 |
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