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Title: Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au 2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites

Abstract

Heterostructural nanocrystals (HNCs) have drawn enormous attention because of the combined and synergistic properties inherited from their individual components and interactions. In this paper, we design a three-component CdS-Au 2S-Au Janus-satellite HNC to study the pressure process of HNC superlattices (HNC-SLs). In situ small/wide-angle X-ray scattering shows that the HNC-SLs can undergo structural transformations at both atomic and meso scales. At the same time, CdS-Au 2S-Au Janus-satellite HNCs can morphologically transform into CdS-Au 2S-Au heterotrimer HNCs through intraparticle migration and coalescence of Au satellites. Our results demonstrate that pressure can be employed as a clean and efficient way to fabricate complex heterostructural nanomaterials suitable for potential applications in photocatalysis and theranostics.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [2];  [1]; ORCiD logo [2];  [3];  [3]; ORCiD logo [1]
  1. Brown Univ., Providence, RI (United States). Dept. of Chemistry
  2. Univ. of Connecticut, Storrs, CT (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
OSTI Identifier:
1632391
Report Number(s):
BNL-216003-2020-JAAM
Journal ID: ISSN 2574-0970
Grant/Contract Number:  
SC0012704; EAR-1606856; NA-0003858
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
ACS Applied Nano Materials
Additional Journal Information:
Journal Volume: 2; Journal Issue: 11; Journal ID: ISSN 2574-0970
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; high-pressure processing; heterostructural nanocrystal; heterotrimer; coalescence; nanocrystal superlattice; gold; cadmium sulfide; lattices; x-ray scattering; transmission electron microscopy

Citation Formats

Zhu, Hua, Cai, Tong, Yuan, Yucheng, Wang, Xudong, Nagaoka, Yasutaka, Zhao, Jing, Liu, Zhenxian, Li, Ruipeng, and Chen, Ou. Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites. United States: N. p., 2019. Web. doi:10.1021/acsanm.9b01860.
Zhu, Hua, Cai, Tong, Yuan, Yucheng, Wang, Xudong, Nagaoka, Yasutaka, Zhao, Jing, Liu, Zhenxian, Li, Ruipeng, & Chen, Ou. Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites. United States. doi:10.1021/acsanm.9b01860.
Zhu, Hua, Cai, Tong, Yuan, Yucheng, Wang, Xudong, Nagaoka, Yasutaka, Zhao, Jing, Liu, Zhenxian, Li, Ruipeng, and Chen, Ou. Fri . "Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites". United States. doi:10.1021/acsanm.9b01860. https://www.osti.gov/servlets/purl/1632391.
@article{osti_1632391,
title = {Pressure-Induced Transformations of Three-Component Heterostructural Nanocrystals with CdS–Au2S Janus Nanoparticles as Hosts and Small Au Nanoparticles as Satellites},
author = {Zhu, Hua and Cai, Tong and Yuan, Yucheng and Wang, Xudong and Nagaoka, Yasutaka and Zhao, Jing and Liu, Zhenxian and Li, Ruipeng and Chen, Ou},
abstractNote = {Heterostructural nanocrystals (HNCs) have drawn enormous attention because of the combined and synergistic properties inherited from their individual components and interactions. In this paper, we design a three-component CdS-Au2S-Au Janus-satellite HNC to study the pressure process of HNC superlattices (HNC-SLs). In situ small/wide-angle X-ray scattering shows that the HNC-SLs can undergo structural transformations at both atomic and meso scales. At the same time, CdS-Au2S-Au Janus-satellite HNCs can morphologically transform into CdS-Au2S-Au heterotrimer HNCs through intraparticle migration and coalescence of Au satellites. Our results demonstrate that pressure can be employed as a clean and efficient way to fabricate complex heterostructural nanomaterials suitable for potential applications in photocatalysis and theranostics.},
doi = {10.1021/acsanm.9b01860},
journal = {ACS Applied Nano Materials},
issn = {2574-0970},
number = 11,
volume = 2,
place = {United States},
year = {2019},
month = {10}
}

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