2018
DOI: 10.1002/chem.201800849
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BN‐Patterning of Metallic Substrates through Metal Coordination of Decoupled Borazines

Abstract: We report on the synthesis of pyridine-terminated borazine derivatives, their molecular self-assembly as well as the electronic properties investigated on silver and copper surfaces by means of scanning tunneling microscopy and X-ray photoelectron spectroscopy. The introduction of pyridine functionalities allows us to achieve distinct supramolecular architectures with control of the interdigitation of the molecules by surface templating. On silver surfaces, the borazine derivatives arrange in a dense-packed he… Show more

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Cited by 10 publications
(11 citation statements)
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“…In the last decade, the development of doping methods to replace CC bonds with BN has proved to be one of the most promising synthetic approaches to tailor material properties both at the molecular and the nanoscale levels. The interest is related to the peculiar characteristics of polar BN bonds that, being isoelectronic and isostructural to CC bonds, allow the tuning of the optoelectronic properties of polycyclic aromatic hydrocarbons and parent molecular graphenes without significant peripheral modifications of the molecular scaffold. In this respect, a lot of efforts have been dedicated to the development of BN-doped polymeric , and dendrimeric materials for applications in gas storage and separation, optoelectronic devices, ,,,, self-assembly on surfaces, and in the bottom-up synthesis of BN-doped nanographenes. , Although suffering from low stability toward hydrolysis, El-Kaderi’s porous polyborazino materials, prepared by condensation reaction and used to store H 2 , are certainly the seminal examples in the field (Figure ). , …”
Section: Introductionmentioning
confidence: 99%
“…In the last decade, the development of doping methods to replace CC bonds with BN has proved to be one of the most promising synthetic approaches to tailor material properties both at the molecular and the nanoscale levels. The interest is related to the peculiar characteristics of polar BN bonds that, being isoelectronic and isostructural to CC bonds, allow the tuning of the optoelectronic properties of polycyclic aromatic hydrocarbons and parent molecular graphenes without significant peripheral modifications of the molecular scaffold. In this respect, a lot of efforts have been dedicated to the development of BN-doped polymeric , and dendrimeric materials for applications in gas storage and separation, optoelectronic devices, ,,,, self-assembly on surfaces, and in the bottom-up synthesis of BN-doped nanographenes. , Although suffering from low stability toward hydrolysis, El-Kaderi’s porous polyborazino materials, prepared by condensation reaction and used to store H 2 , are certainly the seminal examples in the field (Figure ). , …”
Section: Introductionmentioning
confidence: 99%
“…Crystallographic data:C CDC 1963744 (18), 1963743 (7), 1963745 (11), and 1973297 (1)c ontain the supplementary crystallographic Table 1. Photophysical data in aerated CH 2 Cl 2 and in glassym atrix for molecules 11, 18, 26, 7, HBC and 2.…”
Section: Methodsmentioning
confidence: 99%
“…[12,13] The use of polar BN and BO bonds typicallyw iden the HOMO-LUMO gap [14,15] and imparts dipole-driven self-assembly behaviors in the solid state [3,16] ando ns urfaces. [17][18][19] Noticeable examples include BN-doped pyrenes, [16] phenanthrenes, [20] anthracenes, [21] perylenes [22,23] and nanographenes. [9,[24][25][26] In these PAHs, the doping units are isolated BN couples selectively placede ither at the peripheries or in the core of aromatic precursors bearing amino groups at specific positions.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, Bonifazi group had made strides in developing complex organoborazines, mostly borazine-doped polyaromatic hydrocarbons (PAH), and studying their photophysical properties [10,11,[25][26][27][28]32,[103][104][105][106][107][108] (See also Section 3).…”
Section: Synthesis Of Substituted Borazines By Organometallic Reagentsmentioning
confidence: 99%