Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces

doi:10.1021/acsami.8b17941

Title: Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces

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Abstract

The ability to precisely control electron irradiationinduced formation, growth, and assembly of nanoclusters or nanoparticles on a solid surface is important for design and creation of catalytically or chemically active surface sites and interfaces free from chemical reducing agents. Here, we show the results of an investigation of the electron dose-controlled formation, growth, and assembly of nanoclusters and nanoparticles in a molecularly assembled thin film of Au(I)–thiolate motifs on a substrate, highlighting an in situ monitoring of the evolution of morphology under controlled electron dose. With aurophilic motifs of Au(I)–thiolate being confined by electrostatic interactions, the sizes of Au nanoclusters and nanoparticles were shown to increase with electron dose, revealing a propensity of a string alignment of the grown nanoclusters and nanoparticles. This growth preference to onedimensional assembly is supported by the analysis of the surface reaction kinetics in terms of the surface density of electron dose for the growth of the nanoclusters and nanoparticles. Here, the electron dose-controlled size-focusing and directional assembly of nanoclusters and nanoparticles may be exploited as new strategy for the precise control of nanoclusters or nanoparticles and their assemblies on solid surfaces not only free from chemical reducing agent but also with the ability ofmore »« less

Authors:

Cheng, Han -Wen ^[1]; Yan, Shan ^[2]; Li, Jing ^[2]; Wang, Jie ^[3]; Wang, Lingyan ^[4]; Skeete, Zakiya ^[2]; Shan, Shiyao ^[2];

^[2]

Shanghai Institute of Technology, Shanghai (China); State Univ. of New York at Binghamton, Binghamton, NY (United States)
State Univ. of New York at Binghamton, Binghamton, NY (United States)
Argonne National Lab. (ANL), Lemont, IL (United States)
Corning Inc., Corning, NY (United States)

Publication Date:: 2018-11-06

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: National Science Foundation (NSF); National Natural Science Foundation of China (NNSFC); USDOE

OSTI Identifier:: 1557997

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: ACS Applied Materials and Interfaces

Additional Journal Information:: Journal Volume: 10; Journal Issue: 46; Journal ID: ISSN 1944-8244

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: aggregative growth; aurophilic Au(I)-SR motifs; electron dose; in situ monitoring; one-dimensional assembly; gold nanoclusters and nanoparticles

Citation Formats


                    Cheng, Han -Wen, Yan, Shan, Li, Jing, Wang, Jie, Wang, Lingyan, Skeete, Zakiya, Shan, Shiyao, and Zhong, Chuan -Jian. Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces.  United States: N. p., 2018. 
        Web.  doi:10.1021/acsami.8b17941.

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                    Cheng, Han -Wen, Yan, Shan, Li, Jing, Wang, Jie, Wang, Lingyan, Skeete, Zakiya, Shan, Shiyao, & Zhong, Chuan -Jian. Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces.  United States.  doi:10.1021/acsami.8b17941.

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                    Cheng, Han -Wen, Yan, Shan, Li, Jing, Wang, Jie, Wang, Lingyan, Skeete, Zakiya, Shan, Shiyao, and Zhong, Chuan -Jian. Tue .  
        "Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces".  United States.  doi:10.1021/acsami.8b17941.  https://www.osti.gov/servlets/purl/1557997.

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@article{osti_1557997,

  title        = {Electron Dose-Controlled Formation, Growth, and Assembly of Nanoclusters and Nanoparticles from Aurophilic Au(I)–Thiolate Ensemble on Surfaces},

  author       = {Cheng, Han -Wen and Yan, Shan and Li, Jing and Wang, Jie and Wang, Lingyan and Skeete, Zakiya and Shan, Shiyao and Zhong, Chuan -Jian},

  abstractNote = {The ability to precisely control electron irradiationinduced formation, growth, and assembly of nanoclusters or nanoparticles on a solid surface is important for design and creation of catalytically or chemically active surface sites and interfaces free from chemical reducing agents. Here, we show the results of an investigation of the electron dose-controlled formation, growth, and assembly of nanoclusters and nanoparticles in a molecularly assembled thin film of Au(I)–thiolate motifs on a substrate, highlighting an in situ monitoring of the evolution of morphology under controlled electron dose. With aurophilic motifs of Au(I)–thiolate being confined by electrostatic interactions, the sizes of Au nanoclusters and nanoparticles were shown to increase with electron dose, revealing a propensity of a string alignment of the grown nanoclusters and nanoparticles. This growth preference to onedimensional assembly is supported by the analysis of the surface reaction kinetics in terms of the surface density of electron dose for the growth of the nanoclusters and nanoparticles. Here, the electron dose-controlled size-focusing and directional assembly of nanoclusters and nanoparticles may be exploited as new strategy for the precise control of nanoclusters or nanoparticles and their assemblies on solid surfaces not only free from chemical reducing agent but also with the ability of visual monitoring of the morphological evolution during growth.},

  doi          = {10.1021/acsami.8b17941},

  journal      = {ACS Applied Materials and Interfaces},

  number       = 46,

  volume       = 10,

  place        = {United States},

  year         = {2018},

  month        = {11}

}

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DOI: 10.1021/acsami.8b17941

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