Hierarchical assembly of Ag40 nanowheel ranging from building blocks to diverse superstructure regulation

Xue-Jing Zhai, Meng-Yu Luo, Xi-Ming Luo (), Xi-Yan Dong, Yubing Si, Chong Zhang, Zhen Han, Runping Han, Shuang-Quan Zang () and Thomas C. W. Mak
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Xue-Jing Zhai: Zhengzhou University
Meng-Yu Luo: Zhengzhou University
Xi-Ming Luo: Zhengzhou University
Xi-Yan Dong: Zhengzhou University
Yubing Si: Zhengzhou University
Chong Zhang: Zhengzhou University
Zhen Han: Zhengzhou University
Runping Han: Zhengzhou University
Shuang-Quan Zang: Zhengzhou University
Thomas C. W. Mak: Zhengzhou University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Achieving precise and controllable hierarchical self-assembly of functional nanoclusters within crystal lattices to create distinct architectures is of immense significance, yet it creates considerable challenges. Here we successfully synthesized a silver nanowheel Ag40, along with its optically pure enantiomers S-/R-Ag40. Each species possesses an internal nanospace and exhibits host-guest interactions. These structures are constructed from primary building blocks (Ag9). By manipulating the surface anions and guest molecules, the nanowheels function as secondary building blocks, spontaneously organizing into complex double- and triple-helical crystalline superstructures or one-dimensional chains {Ag41}n through conformational matching and diverse noncovalent interactions. Moreover, we demonstrate that the water-mediated complex specifically assembled with uridine monophosphate nucleotides, resulting in chiral assemblies of Ag40 that exhibit chiroptical activity for specific recognition. Our findings provide insights into the efficient construction of assemblies with hollow frameworks and propose strategies for superstructure engineering by manipulating surface motifs.

Date: 2024
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DOI: 10.1038/s41467-024-53471-3

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