%0 Journal Article %1 Pan_2024 %A Pan, Wun‐Chang %A Mützel, Carina %A Haldar, Soumyajyoti %A Hohmann, Hendrik %A Heinze, Stefan %A Farrell, Jeffrey M. %A Thomale, Ronny %A Bode, Matthias %A Würthner, Frank %A Qi, Jing %D 2024 %I Wiley %J Angew. Chem. Int. Ed. %K myown %N 15 %R 10.1002/anie.202400313 %T Diboraperylene Diborinic Acid Self‐Assembly on Ag(111)—Kagome Flat Band Localized States Imaged by Scanning Tunneling Microscopy and Spectroscopy %U http://dx.doi.org/10.1002/anie.202400313 %V 63 %X Replacement of sp2-hybridized carbon in polycyclic aromatic hydrocarbons (PAHs) by boron affords electron-deficient π-scaffolds due to the vacant pz-orbital of three-coordinate boron with the potential for pronounced electronic interactions with electron-rich metal surfaces. Using a diboraperylene diborinic acid derivative as precursor and a controlled on-surface non-covalent synthesis approach, we report on a self-assembled chiral supramolecular kagome network on an Ag(111) surface stabilized by intermolecular hydrogen-bonding interactions at low temperature. Scanning tunneling microscopy (STM) and spectroscopy (STS) reveal a flat band at ca. 0.33 eV above the Fermi level which is localized at the molecule center, in good agreement with tight-binding model calculations of flat bands characteristic for kagome lattices.

@article{Pan_2024, abstract = {Replacement of sp2-hybridized carbon in polycyclic aromatic hydrocarbons (PAHs) by boron affords electron-deficient π-scaffolds due to the vacant pz-orbital of three-coordinate boron with the potential for pronounced electronic interactions with electron-rich metal surfaces. Using a diboraperylene diborinic acid derivative as precursor and a controlled on-surface non-covalent synthesis approach, we report on a self-assembled chiral supramolecular kagome network on an Ag(111) surface stabilized by intermolecular hydrogen-bonding interactions at low temperature. Scanning tunneling microscopy (STM) and spectroscopy (STS) reveal a flat band at ca. 0.33 eV above the Fermi level which is localized at the molecule center, in good agreement with tight-binding model calculations of flat bands characteristic for kagome lattices.}, added-at = {2024-04-04T13:20:16.000+0200}, author = {Pan, Wun‐Chang and Mützel, Carina and Haldar, Soumyajyoti and Hohmann, Hendrik and Heinze, Stefan and Farrell, Jeffrey M. and Thomale, Ronny and Bode, Matthias and Würthner, Frank and Qi, Jing}, biburl = {https://www.bibsonomy.org/bibtex/29e20ee1e8fabe2fd298220ee19728d6e/wuerthner_group}, doi = {10.1002/anie.202400313}, interhash = {5484c5835782784d8bdb63016b77973d}, intrahash = {9e20ee1e8fabe2fd298220ee19728d6e}, issn = {1521-3773}, journal = {Angew. Chem. Int. Ed.}, keywords = {myown}, month = feb, number = 15, publisher = {Wiley}, timestamp = {2024-04-04T13:20:16.000+0200}, title = {Diboraperylene Diborinic Acid Self‐Assembly on Ag(111)—Kagome Flat Band Localized States Imaged by Scanning Tunneling Microscopy and Spectroscopy}, url = {http://dx.doi.org/10.1002/anie.202400313}, volume = 63, year = 2024 }