Single-element amorphous palladium nanoparticles formed via phase separation

Dong Sheng He; Yi Huang; Benjamin D. Myers; Dieter Isheim; Xinyu Fan; Guang Jie Xia; Yunsheng Deng; Lin Xie; Shaobo Han; Yang Qiu; Yang Gang Wang; Junhua Luan; Zengbao Jiao; Li Huang; Vinayak P. Dravid; Jiaqing He

doi:10.1007/s12274-022-4173-1

Single-element amorphous palladium nanoparticles formed via phase separation

Dong Sheng He, Yi Huang, Benjamin D. Myers, Dieter Isheim, Xinyu Fan, Guang Jie Xia, Yunsheng Deng, Lin Xie, Shaobo Han, Yang Qiu, Yang Gang Wang, Junhua Luan, Zengbao Jiao, Li Huang, Vinayak P. Dravid, Jiaqing He^*

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Physically vitrifying amorphous single-element metal requires ultrahigh cooling rates, which are still unachievable for most of the closest-packed metals. Here, we report a facile chemical synthetic strategy for single-element amorphous palladium nanoparticles with a purity of 99.35 at.% ± 0.23 at.% from palladium—silicon liquid droplets. In-situ transmission electron microscopy directly detected the solidification of palladium and the separation of silicon. Further hydrogen absorption experiment showed that the amorphous palladium expanded little upon hydrogen uptake, exhibiting a great potential application for hydrogen separation. Our results provide insight into the formation of amorphous metal at nanoscale. [Figure not available: see fulltext.]

Original language	English (US)
Pages (from-to)	5575-5580
Number of pages	6
Journal	Nano Research
Volume	15
Issue number	6
DOIs	https://doi.org/10.1007/s12274-022-4173-1
State	Published - Jun 2022

Funding

This work was supported by the National Natural Science Foundation of China (Nos. 51602143, 51702150, 11874194, 11774142, and 11874194), the Science and Technology Innovation Committee Foundation of Shenzhen (Nos. KQTD2016022619565991, JCYJ20200109141205978, and ZDSYS20141118160434515), the Natural Science Foundation of Guangdong Province (No. 2015A030308001), and the Leading Talents of Guangdong Province Program (No. 00201517). The authors thank Prof. Cai-Zhuang Wang, Prof. Meng Gu, Dr. Song Liu, Dr. Minghui Wu, Mr. Wei Li, and Mr. Yunhua He for helpful discussion. The authors are grateful for the Pico Center at SUSTech core research facilities. The computing time was supported by the Center for Computational Science and Engineering of Southern University of Science and Technology.

Keywords

Pd
metallic glass
nanoparticle
phase separation
single-element
undercooling

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s12274-022-4173-1

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title = "Single-element amorphous palladium nanoparticles formed via phase separation",

abstract = "Physically vitrifying amorphous single-element metal requires ultrahigh cooling rates, which are still unachievable for most of the closest-packed metals. Here, we report a facile chemical synthetic strategy for single-element amorphous palladium nanoparticles with a purity of 99.35 at.% ± 0.23 at.% from palladium—silicon liquid droplets. In-situ transmission electron microscopy directly detected the solidification of palladium and the separation of silicon. Further hydrogen absorption experiment showed that the amorphous palladium expanded little upon hydrogen uptake, exhibiting a great potential application for hydrogen separation. Our results provide insight into the formation of amorphous metal at nanoscale. [Figure not available: see fulltext.]",

keywords = "Pd, metallic glass, nanoparticle, phase separation, single-element, undercooling",

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note = "Publisher Copyright: {\textcopyright} 2022, Tsinghua University Press.",

year = "2022",

month = jun,

doi = "10.1007/s12274-022-4173-1",

language = "English (US)",

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T1 - Single-element amorphous palladium nanoparticles formed via phase separation

AU - He, Dong Sheng

AU - Huang, Yi

AU - Myers, Benjamin D.

AU - Isheim, Dieter

AU - Fan, Xinyu

AU - Xia, Guang Jie

AU - Deng, Yunsheng

AU - Xie, Lin

AU - Han, Shaobo

AU - Qiu, Yang

AU - Wang, Yang Gang

AU - Luan, Junhua

AU - Jiao, Zengbao

AU - Huang, Li

AU - Dravid, Vinayak P.

AU - He, Jiaqing

PY - 2022/6

Y1 - 2022/6

N2 - Physically vitrifying amorphous single-element metal requires ultrahigh cooling rates, which are still unachievable for most of the closest-packed metals. Here, we report a facile chemical synthetic strategy for single-element amorphous palladium nanoparticles with a purity of 99.35 at.% ± 0.23 at.% from palladium—silicon liquid droplets. In-situ transmission electron microscopy directly detected the solidification of palladium and the separation of silicon. Further hydrogen absorption experiment showed that the amorphous palladium expanded little upon hydrogen uptake, exhibiting a great potential application for hydrogen separation. Our results provide insight into the formation of amorphous metal at nanoscale. [Figure not available: see fulltext.]

AB - Physically vitrifying amorphous single-element metal requires ultrahigh cooling rates, which are still unachievable for most of the closest-packed metals. Here, we report a facile chemical synthetic strategy for single-element amorphous palladium nanoparticles with a purity of 99.35 at.% ± 0.23 at.% from palladium—silicon liquid droplets. In-situ transmission electron microscopy directly detected the solidification of palladium and the separation of silicon. Further hydrogen absorption experiment showed that the amorphous palladium expanded little upon hydrogen uptake, exhibiting a great potential application for hydrogen separation. Our results provide insight into the formation of amorphous metal at nanoscale. [Figure not available: see fulltext.]

KW - Pd

KW - metallic glass

KW - nanoparticle

KW - phase separation

KW - single-element

KW - undercooling

UR - http://www.scopus.com/inward/record.url?scp=85126751768&partnerID=8YFLogxK

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EP - 5580

JO - Nano Research

JF - Nano Research

IS - 6

ER -

Single-element amorphous palladium nanoparticles formed via phase separation

Abstract

Funding

Keywords

ASJC Scopus subject areas

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