Nano Research

, volume 15 , issue 9 , pages 8573-8578

Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters

Xiangsha Du ¹

Hedi Ma ²

Xinwen Zhang ³

Meng Zhou ⁴

Zhongyu Liu ¹

He Wang ³

Gangli Wang ²

Rongchao Jin ¹

Hide authors affiliations Show authors affiliations: 4 affiliations

Department of Chemistry, Carnegie Mellon University, Pittsburgh, USA |

Department of Chemistry, Georgia State University, Atlanta, USA |

Department of Physics, University of Miami, Coral Gables, USA |

⁴

Department of chemical physics, University of Science and Technology of China, Hefei, China |

Publication type: Journal Article

Publication date: 2022-06-25

Springer Nature

Nano Research

scimago Q1

wos Q1

SJR: 2.367

CiteScore: 17.1

Impact factor: 9.0

ISSN: 19980124, 19980000

DOI: 10.1007/s12274-022-4445-9

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Atomic and Molecular Physics, and Optics

Condensed Matter Physics

General Materials Science

Electrical and Electronic Engineering

Abstract

Alloying is an important strategy in tailoring the functionality of materials. In metal nanoclusters (NCs), the introduction of a heterometal leads to alloy nanoclusters that often outperform the homometal ones in terms of the physical and chemical properties. In this work, a series of four M144(PET)60 alloy NCs (where, M = Au/Ag, PET = −SCH2CH2Ph) are synthesized and characterized. The silver doping into the homogold template (Au144) leads to more prominent optical absorption features in the steady-state spectrum in the visible range. Femtosecond transient absorption spectroscopy reveals the effect of Ag doping on the electronic relaxation dynamics compared to Au144 and the pump fluence independent dynamics. Electrochemical results reflect a narrowing of HOMO—LUMO gap (Eg) induced by Ag doping. A temperature dependence of the single-electron charging is also observed for the series of alloy NCs, in which the Eg values of the alloy NCs enlarge as the temperature decreases, which is characteristic of semiconducting behavior.

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Du X. et al. Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters // Nano Research. 2022. Vol. 15. No. 9. pp. 8573-8578.

GOST all authors (up to 50) Copy

Du X., Ma H., Zhang X., Zhou M., Liu Z., Wang H., Wang G., Jin R. Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters // Nano Research. 2022. Vol. 15. No. 9. pp. 8573-8578.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1007/s12274-022-4445-9

UR - https://doi.org/10.1007/s12274-022-4445-9

TI - Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters

T2 - Nano Research

AU - Du, Xiangsha

AU - Ma, Hedi

AU - Zhang, Xinwen

AU - Zhou, Meng

AU - Liu, Zhongyu

AU - Wang, He

AU - Wang, Gangli

AU - Jin, Rongchao

PY - 2022

DA - 2022/06/25

PB - Springer Nature

SP - 8573-8578

IS - 9

VL - 15

SN - 1998-0124

SN - 1998-0000

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2022_Du,

author = {Xiangsha Du and Hedi Ma and Xinwen Zhang and Meng Zhou and Zhongyu Liu and He Wang and Gangli Wang and Rongchao Jin},

title = {Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters},

journal = {Nano Research},

year = {2022},

volume = {15},

publisher = {Springer Nature},

month = {jun},

url = {https://doi.org/10.1007/s12274-022-4445-9},

number = {9},

pages = {8573--8578},

doi = {10.1007/s12274-022-4445-9}

}

MLA

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MLA Copy

Du, Xiangsha, et al. “Single-electron charging and ultrafast dynamics of bimetallic Au144−xAgx(PET)60 nanoclusters.” Nano Research, vol. 15, no. 9, Jun. 2022, pp. 8573-8578. https://doi.org/10.1007/s12274-022-4445-9.

Publisher

Springer Nature

Journal

Nano Research

scimago Q1

wos Q1

SJR

2.367

CiteScore

17.1

Impact factor

9.0

ISSN

19980124 (Print)

19980000 (Electronic)