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Title: Synthesis and Properties of Stable Sub-2-nm-Thick Aluminum Nanosheets: Oxygen Passivation and Two-Photon Luminescence

Abstract

The high reductivity of aluminum (Al) implies the utmost difficulty in achieving oxygen-resistant, ultrathin Al nanostructures. Herein, we demonstrate that sub-2-nm-thick Al nanosheets with ambient stability can be synthesized through a facile wet-chemical approach. Selective oxygen adsorption on the (111) facets of the face-centered cubic (fcc) Al has been revealed as the reason of controlling the morphology and stability of Al nanosheets, tailoring the thickness from 18 nm to 1.5 nm. Within the (111) surface passivation, Al nanosheets have achieved satisfactory stability, ensuring the possibility to study thickness-dependent localized surface plasmon resonance from visible to near-infrared (near-IR) region, and significantly enhanced two-photon luminescence. Furthermore, this work demonstrates, for the first time, the feasibility in obtaining stable ultrathin nanostructures of Al metal, which paves the way toward optical applications of Al as a sustainable plasmonic material, and shows great potential in the synthesis of other active metal-based nanomaterials.

Authors:
 [1];  [1];  [1];  [2];  [3];  [1];  [1];  [3];  [1];  [4];  [1];  [1];  [1]
+ Show Author Affiliations
  1. Beijing Univ. of Chemical Technology, Beijing (China)
  2. Chinese Academy of Sciences (CAS), Beijing (China)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
  4. Loughborough Univ., Leicestershire (United Kingdom)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
OSTI Identifier:
1579901
Report Number(s):
BNL-212414-2019-JAAM
Journal ID: ISSN 2451-9294
Grant/Contract Number:  
SC0012704; 2016YFF0204402
Resource Type:
Accepted Manuscript
Journal Name:
Chem
Additional Journal Information:
Journal Volume: 6; Journal Issue: 2; Journal ID: ISSN 2451-9294
Publisher:
Cell Press, Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Luo, Liang, Li, Yang, Sun, Xiong, Li, Jing, Hu, Enyuan, Liu, Yinglan, Tian, Yang, Yang, Xiao -Qing, Li, Yaping, Lin, Wen -Feng, Kuang, Yun, Liu, Wen, and Sun, Xiaoming. Synthesis and Properties of Stable Sub-2-nm-Thick Aluminum Nanosheets: Oxygen Passivation and Two-Photon Luminescence. United States: N. p., 2019. Web. doi:10.1016/j.chempr.2019.11.004.
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Luo, Liang, Li, Yang, Sun, Xiong, Li, Jing, Hu, Enyuan, Liu, Yinglan, Tian, Yang, Yang, Xiao -Qing, Li, Yaping, Lin, Wen -Feng, Kuang, Yun, Liu, Wen, & Sun, Xiaoming. Synthesis and Properties of Stable Sub-2-nm-Thick Aluminum Nanosheets: Oxygen Passivation and Two-Photon Luminescence. United States. doi:10.1016/j.chempr.2019.11.004.
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Luo, Liang, Li, Yang, Sun, Xiong, Li, Jing, Hu, Enyuan, Liu, Yinglan, Tian, Yang, Yang, Xiao -Qing, Li, Yaping, Lin, Wen -Feng, Kuang, Yun, Liu, Wen, and Sun, Xiaoming. Mon . "Synthesis and Properties of Stable Sub-2-nm-Thick Aluminum Nanosheets: Oxygen Passivation and Two-Photon Luminescence". United States. doi:10.1016/j.chempr.2019.11.004. https://www.osti.gov/servlets/purl/1579901.
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@article{osti_1579901,
title = {Synthesis and Properties of Stable Sub-2-nm-Thick Aluminum Nanosheets: Oxygen Passivation and Two-Photon Luminescence},
author = {Luo, Liang and Li, Yang and Sun, Xiong and Li, Jing and Hu, Enyuan and Liu, Yinglan and Tian, Yang and Yang, Xiao -Qing and Li, Yaping and Lin, Wen -Feng and Kuang, Yun and Liu, Wen and Sun, Xiaoming},
abstractNote = {The high reductivity of aluminum (Al) implies the utmost difficulty in achieving oxygen-resistant, ultrathin Al nanostructures. Herein, we demonstrate that sub-2-nm-thick Al nanosheets with ambient stability can be synthesized through a facile wet-chemical approach. Selective oxygen adsorption on the (111) facets of the face-centered cubic (fcc) Al has been revealed as the reason of controlling the morphology and stability of Al nanosheets, tailoring the thickness from 18 nm to 1.5 nm. Within the (111) surface passivation, Al nanosheets have achieved satisfactory stability, ensuring the possibility to study thickness-dependent localized surface plasmon resonance from visible to near-infrared (near-IR) region, and significantly enhanced two-photon luminescence. Furthermore, this work demonstrates, for the first time, the feasibility in obtaining stable ultrathin nanostructures of Al metal, which paves the way toward optical applications of Al as a sustainable plasmonic material, and shows great potential in the synthesis of other active metal-based nanomaterials.},
doi = {10.1016/j.chempr.2019.11.004},
journal = {Chem},
number = 2,
volume = 6,
place = {United States},
year = {2019},
month = {12}
}
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DOI:  10.1016/j.chempr.2019.11.004
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