2023
DOI: 10.1002/smll.202207209
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Solvent Mediated Nanoscale Quasi‐Periodic Chirality Reversal in Self‐Assembled Molecular Networks Featuring Mirror Twin Boundaries

Abstract: Grain boundaries in polycrystals have a prominent impact on the properties of a material, therefore stimulating the research on grain boundary engineering. Structure determination of grain boundaries of molecule‐based polycrystals with submolecular resolution remains elusive. Reducing the complexity to monolayers has the potential to simplify grain boundary engineering and may offer real‐space imaging with submolecular resolution using scanning tunneling microscopy (STM). Herein, the authors report the observa… Show more

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Cited by 4 publications
(11 citation statements)
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“…The co-adsorption of solvent contributes to the stabilization of the structure as well as the aforementioned interactions. The unit cell parameters of this structure are a = 2.7 ± 0.1 nm, b = 3.4 ± 0.2 nm, and γ = 81 ± 1° . The four alkoxy chains of ISODBA are aligned along two directions in the SAMN.…”
Section: Resultsmentioning
confidence: 98%
See 2 more Smart Citations
“…The co-adsorption of solvent contributes to the stabilization of the structure as well as the aforementioned interactions. The unit cell parameters of this structure are a = 2.7 ± 0.1 nm, b = 3.4 ± 0.2 nm, and γ = 81 ± 1° . The four alkoxy chains of ISODBA are aligned along two directions in the SAMN.…”
Section: Resultsmentioning
confidence: 98%
“…The unit cell parameters of this structure are a = 2.7 ± 0.1 nm, b = 3.4 ± 0.2 nm, and γ = 81 ± 1°. 31 The four alkoxy chains of ISODBA are aligned along two directions in the SAMN. In particular, two of these alkoxy chains are aligned along one of the HOPG main symmetry axes and form an angle of ±14°with the unit cell vector a, while the remaining two alkyl chains are not aligned with any of the HOPG main symmetry axes.…”
Section: ■ Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The boundary area between the opposite chiral domains is disordered (Figure S16c erate structure consisting of R or L dimers forming zigzag molecular rows. 38,41 Alkoxy chains orientated from [12]DBA are adsorbed parallel to the main symmetry axes of graphite because of the regular triangle-shaped core of [12]DBA, which is ideally commensurate with the hexagonal lattice of graphite.…”
Section: Self-assembly Of [15]dba At the Liquid/graphitementioning
confidence: 99%
“…Enantiomorphous domains peak with a width of 12− 19 nm were continuously connected with opposite chiral domains through mirror twin borders. 41 Nanoscale chirality switches with the mirror twin border because of the inherent adaptability of alkoxy chains attached to the isosceles triangleshaped π-core. This adaptability can be attributed to the symmetry mismatch between the isosceles triangle-shaped core and C 3 symmetric graphite lattice.…”
Section: ■ Introductionmentioning
confidence: 99%