Supercrystallographic Reconstruction of 3D Nanorod Assembly with Collectively Anisotropic Upconversion Fluorescence

Kerong Deng; Xin Huang; Yulian Liu; Lili Xu; Ruipeng Li; Ji Tang; Qun Li Lei; Ran Ni; Chunxia Li; Yong Sheng Zhao; Hongwu Xu; Zhongwu Wang; Zewei Quan

doi:10.1021/acs.nanolett.0c02779

Supercrystallographic Reconstruction of 3D Nanorod Assembly with Collectively Anisotropic Upconversion Fluorescence

Kerong Deng, Xin Huang, Yulian Liu, Lili Xu, Ruipeng Li, Ji Tang, Qun Li Lei, Ran Ni, Chunxia Li^*, Yong Sheng Zhao^*, Hongwu Xu^*, Zhongwu Wang^*, Zewei Quan^*

^*Corresponding author for this work

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

20 Citations (Scopus)

Abstract

Constructing three-dimensional (3D) metamaterials from functional nanoparticles endows them with emerging collective properties tailored by the packing geometries. Herein, we report 3D supercrystals self-assembled from upconversion nanorods (NaYF4:Yb,Er NRs), which exhibit both translational ordering of NRs and orientational ordering between constituent NRs in the superlattice (SL). The construction of 3D reciprocal space mappings (RSMs) based on synchrotron-based X-ray scattering measurements was developed to uncover the complex structure of such an assembly. That is, the two main orthogonal sets of hexagonal close-packing (hcp)-like SLs share the [110]SL axis, and NRs within the SL possess orientational relationships of [120]NR//[100]SL, [210]NR//[010]SL, and [001]NR//[001]SL. Notably, these supercrystals containing well-aligned NRs exhibit collectively anisotropic upconversion fluorescence in two perpendicular directions. This study not only demonstrates novel crystalline superstructures and functionality of NR-based 3D assemblies but also offers a unique tool for deciphering a wide range of complex nanoparticle supercrystals.

Original language	English
Pages (from-to)	7367-7374
Number of pages	8
Journal	Nano Letters
Volume	20
Issue number	10
DOIs	https://doi.org/10.1021/acs.nanolett.0c02779
Publication status	Published - Oct 14 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
Copyright © 2020 American Chemical Society.

ASJC Scopus Subject Areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

Keywords

nanoparticle supercrystal
polarized fluorescence
self-assembly
supercrystallography
upconversion nanorods

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10.1021/acs.nanolett.0c02779

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title = "Supercrystallographic Reconstruction of 3D Nanorod Assembly with Collectively Anisotropic Upconversion Fluorescence",

abstract = "Constructing three-dimensional (3D) metamaterials from functional nanoparticles endows them with emerging collective properties tailored by the packing geometries. Herein, we report 3D supercrystals self-assembled from upconversion nanorods (NaYF4:Yb,Er NRs), which exhibit both translational ordering of NRs and orientational ordering between constituent NRs in the superlattice (SL). The construction of 3D reciprocal space mappings (RSMs) based on synchrotron-based X-ray scattering measurements was developed to uncover the complex structure of such an assembly. That is, the two main orthogonal sets of hexagonal close-packing (hcp)-like SLs share the [110]SL axis, and NRs within the SL possess orientational relationships of [120]NR//[100]SL, [210]NR//[010]SL, and [001]NR//[001]SL. Notably, these supercrystals containing well-aligned NRs exhibit collectively anisotropic upconversion fluorescence in two perpendicular directions. This study not only demonstrates novel crystalline superstructures and functionality of NR-based 3D assemblies but also offers a unique tool for deciphering a wide range of complex nanoparticle supercrystals.",

keywords = "nanoparticle supercrystal, polarized fluorescence, self-assembly, supercrystallography, upconversion nanorods",

author = "Kerong Deng and Xin Huang and Yulian Liu and Lili Xu and Ruipeng Li and Ji Tang and Lei, {Qun Li} and Ran Ni and Chunxia Li and Zhao, {Yong Sheng} and Hongwu Xu and Zhongwu Wang and Zewei Quan",

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year = "2020",

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doi = "10.1021/acs.nanolett.0c02779",

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T1 - Supercrystallographic Reconstruction of 3D Nanorod Assembly with Collectively Anisotropic Upconversion Fluorescence

AU - Deng, Kerong

AU - Huang, Xin

AU - Liu, Yulian

AU - Xu, Lili

AU - Li, Ruipeng

AU - Tang, Ji

AU - Lei, Qun Li

AU - Ni, Ran

AU - Li, Chunxia

AU - Zhao, Yong Sheng

AU - Xu, Hongwu

AU - Wang, Zhongwu

AU - Quan, Zewei

PY - 2020/10/14

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AB - Constructing three-dimensional (3D) metamaterials from functional nanoparticles endows them with emerging collective properties tailored by the packing geometries. Herein, we report 3D supercrystals self-assembled from upconversion nanorods (NaYF4:Yb,Er NRs), which exhibit both translational ordering of NRs and orientational ordering between constituent NRs in the superlattice (SL). The construction of 3D reciprocal space mappings (RSMs) based on synchrotron-based X-ray scattering measurements was developed to uncover the complex structure of such an assembly. That is, the two main orthogonal sets of hexagonal close-packing (hcp)-like SLs share the [110]SL axis, and NRs within the SL possess orientational relationships of [120]NR//[100]SL, [210]NR//[010]SL, and [001]NR//[001]SL. Notably, these supercrystals containing well-aligned NRs exhibit collectively anisotropic upconversion fluorescence in two perpendicular directions. This study not only demonstrates novel crystalline superstructures and functionality of NR-based 3D assemblies but also offers a unique tool for deciphering a wide range of complex nanoparticle supercrystals.

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KW - polarized fluorescence

KW - self-assembly

KW - supercrystallography

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Supercrystallographic Reconstruction of 3D Nanorod Assembly with Collectively Anisotropic Upconversion Fluorescence

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Keywords

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