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Research Article

Three-dimensional macroscale assembly of Pd nanoclusters

Kai WangHaifeng LinBing NiHaoyi LiMuhammad Aurang Zeb Gul SialHaozhou YangJing ZhuangXun Wang( )
Key Lab of Organic Optoelectronics and Molecular EngineeringDepartment of ChemistryTsinghua UniversityBeijing100084China
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Abstract

Construction of macro-materials with highly oriented microstructures and well-connected interfaces between building blocks is significant for a variety of applications. However, it is still challenging to confine the desired structures. Thus, well-defined building blocks would be crucial to address this issue. Herein, we present a facile process based on 1.8 nm Pd nanoclusters (NCs) to achieve centimeter-size assemblages with aligned honeycomb structures, where the diameter of a single tubular moiety is ~4 μm. Layered and disordered porous assemblages were also obtained by modulating the temperature in this system. The reconciled interactions between the NCs were crucial to the assemblages. As a comparison, 14 nm Pd nanoparticles formed only aggregates. This work highlights the approach of confining the size of the building blocks in order to better control the assembly process and improve the stability of the structures.

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12274_2017_1723_MOESM1_ESM.pdf (3.4 MB)
Nano Research
Pages 3175-3181
Cite this article:
Wang K, Lin H, Ni B, et al. Three-dimensional macroscale assembly of Pd nanoclusters. Nano Research, 2018, 11(6): 3175-3181. https://doi.org/10.1007/s12274-017-1723-z
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Received: 27 April 2017
Revised: 02 June 2017
Accepted: 10 June 2017
Published: 22 May 2018
© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2017
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