On-surface synthesis of size- and shape-controlled two-dimensional Aun nanoclusters using a flexible fullerene molecular template

Lu'an Guo; Yitao Wang; De-Liang Bao; Hai-Hong Jia; Zhiming Wang; Shixuan Du; Quanmin Guo

doi:10.1039/D0NR05912A

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On-surface synthesis of size- and shape-controlled two-dimensional Au_n nanoclusters using a flexible fullerene molecular template†

Lu'an Guo,

‡^abc Yitao Wang,‡^a De-Liang Bao,

‡^d Hai-Hong Jia,^d Zhiming Wang,^b Shixuan Du

*^d and Quanmin Guo

*^a

Author affiliations

* Corresponding authors

^a School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham, UK
E-mail: q.guo@bham.ac.uk

^b Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, People's Republic of China

^c Department of Applied Physics, and MOE Key Laboratory for Non-equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, People's Republic of China

^d Institute of Physics, Chinese Academy of Sciences, Beijing, China
E-mail: sxdu@iphy.ac.cn

Abstract

Synthesizing nano-clusters with a well-defined size, shape, and composition is an important and challenging goal in nanotechnology. Here we report the application of a single layer C₆₀ molecule as an effective molecular template for the synthesis of size- and shape-selected two-dimensional gold clusters (Au_n) on a graphite substrate. This molecular template facilitates the preferential formation of Au₁₉ clusters with a selectivity as high as 90%. Density-functional-theory (DFT) calculations found an energy minimum associated with C₆₀-stabilized two-dimensional Au₁₉ clusters.

This article is part of the themed collection: 2020 Nanoscale HOT Article Collection

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Article information

DOI: https://doi.org/10.1039/D0NR05912A
Article type: Paper
Submitted: 11 Aug 2020
Accepted: 02 Oct 2020
First published: 02 Oct 2020
This article is Open Access

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Nanoscale, 2020,12, 21657-21664

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On-surface synthesis of size- and shape-controlled two-dimensional Au_n nanoclusters using a flexible fullerene molecular template

L. Guo, Y. Wang, D. Bao, H. Jia, Z. Wang, S. Du and Q. Guo, Nanoscale, 2020, 12, 21657 DOI: 10.1039/D0NR05912A

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