Longitudinal shape evolution of Ag2S nanoparticles from nanospheres, rhombic dodecahedrons, nanorods, to nanocubes

Hyunmi Doh; Wonseok Lee; Yunmo Sung; Sungjee Kim

doi:10.1039/D0CC02465A

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Longitudinal shape evolution of Ag₂S nanoparticles from nanospheres, rhombic dodecahedrons, nanorods, to nanocubes†

Hyunmi Doh,‡^a Wonseok Lee,‡^a Yunmo Sung^a and Sungjee Kim

*^a

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* Corresponding authors

^a Department of Chemistry, Pohang University of Science and Technology, Cheongam-ro 77, Nam-Gu, Pohang, South Korea
E-mail: sungjee@postech.ac.kr
Tel: +82-54-279-1494

Abstract

Longitudinal shape evolution of Ag₂S nanoparticles is reported. Initially 9 nm nanospheres turn into faceted rhombic dodecahedrons and elongate to minimize surface energy. The elongated rhombic dodecahedrons show oriented attachments to 〈−104〉 directions sequentially yielding dimers, linear oligomers, and nanorods. Lateral sides of nanorods fuse to thermodynamically stable nanocubes upon ripening.

This article is part of the themed collection: Celebrating the 75th Anniversary of the Korean Chemical Society (KCS)

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Article information

DOI: https://doi.org/10.1039/D0CC02465A
Article type: Communication
Submitted: 05 Apr 2020
Accepted: 13 Jul 2020
First published: 14 Jul 2020

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Chem. Commun., 2020,56, 9655-9658

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Longitudinal shape evolution of Ag₂S nanoparticles from nanospheres, rhombic dodecahedrons, nanorods, to nanocubes

H. Doh, W. Lee, Y. Sung and S. Kim, Chem. Commun., 2020, 56, 9655 DOI: 10.1039/D0CC02465A

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