Complex supramolecular tessellations with on-surface self-synthesized C<sub>60</sub> tiles through van der Waals interaction

Zhang, Xin; Ding, Haoxuan; Chen, Xiaorui; Lin, Haiping; Li, Qing; Gao, Jianzhi; Pan, M. X.; Guo, Quanmin

doi:10.1039/d1nr05589e

Cited by 3 publications

(2 citation statements)

References 39 publications

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“…This C 60 /DT row phase is similar to the C 60 /OT rows formed under similar experimental conditions. [ 49 ] However, it is interesting to note that the C 60 /DT nanochains are considerably longer than the C 60 rows formed with OT after thermal treatment (Figure S5, Supporting Information). The direction of the C 60 chains is plus or minus 14° from the

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Section: Resultsmentioning

confidence: 99%

“…The symmetry of the C 60 nanochain structure is reduced to twofold symmetry. [ 49 ] A white quadrilateral highlights the unit cell in a high‐resolution STM image (Figure 4c). Employing a modeling approach similar to the previously mentioned, we can propose the structural model of segments with a C 60 –(DT) 2 composition, as illustrated in Figure 4d.…”

Section: Resultsmentioning

confidence: 99%

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Orientational Growth of Flexible van der Waals Supramolecular Networks

Ding,

Zhang,

et al. 2023

Small Structures

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The capacity for nanopatterning and functionality is a promising facet of supramolecular self‐assembly. However, the formation of molecular frameworks entirely dependent on van der Waals (vdW) interactions is infrequently explored. Herein, 2D vdW supramolecular structures are synthesized through the self‐assembled cocrystallization of C60 and decanethiol (DT) molecules on Au(111) surface. Notably, the system eliminates the need of functional groups for specific bonding between adjacent units. The conformation C60/DT is delicately manipulated by adjusting molecular coverage and annealing temperature. The absence of directional bonding between C60 and DT molecules facilitates the formation of a variety of stable phases at room temperature (RT), such as 1) porous C60 networks with thiol‐filled pores and 2) self‐synthesized (C60)n nanochains with thiol spacers interspersed between the chains are achieved and visualized by scanning tunneling microscopic imaging under RT. This innovative integration of the vdW interaction unveils new avenues for developing supramolecular patterns characterized by their comparatively weak but exceptionally adaptable bonding.

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…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Orientational Growth of Flexible van der Waals Supramolecular Networks

Ding,

Zhang,

et al. 2023

Small Structures

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Kinetic Controlled Chirality Transfer and Induction in 2D Hydrogen‐Bonding Assemblies of Glycylglycine on Au(111)

Zhang

Ding

Shu

et al. 2023

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systems, such as the transfer and storage of genetic information in nucleic acids and the folding of proteins, while its origin remains as a major mystery. [1] For example, proteins are solely composed by l-amino acids, and nucleic acids (DNA and RNAs) are comprised of d-sugars. On the other hand, the chiral symmetry breaking process leads to many compelling observations in supramolecular chemistry, showing the spontaneous emerging of an enantiomeric entity by chiral self-assembly from an achiral molecule or the crystallization with a chiral space group. [2][3][4][5][6][7] More intriguingly, external physical stimulations, e.g. polarized light, [8][9][10] mechanical forces, [5,[11][12][13][14][15] could trigger a spontaneous symmetry breaking process towards a deterministic enantioselection, instead of adopting a stochastic process when no external force is applied. [3,7,16] Not only that, chiral self-assembly of biological substances has been also applied to fabricate various well-ordered nanostructures, such as helical nanotubes, [17][18][19][20] nanobelts, [21] and nanofibers, [22,23] based on noncovalent interactions. The chiral self-organization of small peptides, [24][25][26][27] especially the dipeptide-based nanotube, has been synthesized. [28] The dipeptides are excellent motifs in the fabrication of highly ordered biological structures owing to ease Chirality transfer is of vital importance that dominates the structure and functionality of biological systems and living matters. External physical stimulations, e.g. polarized light and mechanical forces, can trigger the chirality symmetry breaking, leading to the appearance of the enantiomeric entities created from a chiral self-assembly of achiral molecule. Here, several 2D assemblies with different chirality, synthesized on Au(111) surface by using achiral building blocks -glycylglycine (digly), the simplest polypeptide are reported. By delicately tuning the kinetic factors, i.e., one-step slow/rapid deposition, or stepwise slow deposition with mild annealing, achiral square hydrogen-bond organic frameworks (HOF), homochiral rhombic HOF and racemic rectangular assembly are achieved, respectively. Chirality induction and related symmetry broken in assemblies are introduced by the handedness (H-bond configurations in principle) of the assembled motifs and then amplified to the entire assemblies via the interaction between motifs. The results show that the chirality transfer and induction of biological assemblies can be tuned by altering the kinetic factors instead of applying external forces, which may offer an in-depth understanding and practical approach to peptide chiral assembly on the surfaces and can further facilitate the design of desired complex biomolecular superstructures.

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Progress in scanning tunneling microscopy research on the regulation of carboxylic acids and their derivatives assembled structures by pyridine

Zhang,

Lei,

Meng

et al. 2023

Chin. Sci. Bull.

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Complex supramolecular tessellations with on-surface self-synthesized C₆₀ tiles through van der Waals interaction

Abstract: Supramolecular tessellation with self-synthesized (C60)7 tiles is achieved based on an cooperative interaction between co-adsorbed C60 and octanethiol (OT) molecules. Tile synthesis and tiling take place simultaneously on a gold...

Cited by 3 publications

References 39 publications

Orientational Growth of Flexible van der Waals Supramolecular Networks

Orientational Growth of Flexible van der Waals Supramolecular Networks

Kinetic Controlled Chirality Transfer and Induction in 2D Hydrogen‐Bonding Assemblies of Glycylglycine on Au(111)

Progress in scanning tunneling microscopy research on the regulation of carboxylic acids and their derivatives assembled structures by pyridine

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Complex supramolecular tessellations with on-surface self-synthesized C60 tiles through van der Waals interaction

Abstract: Supramolecular tessellation with self-synthesized (C60)7 tiles is achieved based on an cooperative interaction between co-adsorbed C60 and octanethiol (OT) molecules. Tile synthesis and tiling take place simultaneously on a gold...

Cited by 3 publications

References 39 publications

Orientational Growth of Flexible van der Waals Supramolecular Networks

Orientational Growth of Flexible van der Waals Supramolecular Networks

Kinetic Controlled Chirality Transfer and Induction in 2D Hydrogen‐Bonding Assemblies of Glycylglycine on Au(111)

Progress in scanning tunneling microscopy research on the regulation of carboxylic acids and their derivatives assembled structures by pyridine

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Complex supramolecular tessellations with on-surface self-synthesized C₆₀ tiles through van der Waals interaction