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Issue 6, 2021
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Manipulating atomic defects in plasmonic vanadium dioxide for superior solar and thermal management

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Abstract

Vanadium dioxide (VO2) is a unique active plasmonic material due to its intrinsic metal–insulator transition, remaining less explored. Herein, we pioneer a method to tailor the VO2 surface plasmon by manipulating its atomic defects and establish a universal quantitative understanding based on seven representative defective VO2 systems. Record high tunability is achieved for the localized surface plasmon resonance (LSPR) energy (0.66–1.16 eV) and transition temperature range (40–100 °C). The Drude model and density functional theory reveal that the charge of cations plays a dominant role in the numbers of valence electrons to determine the free electron concentration. We further demonstrate their superior performances in extensive unconventional plasmonic applications including energy-saving smart windows, wearable camouflage devices, and encryption inks.

Graphical abstract: Manipulating atomic defects in plasmonic vanadium dioxide for superior solar and thermal management

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Article information


Submitted
10 Mar 2021
Accepted
11 May 2021
First published
14 May 2021

Mater. Horiz., 2021,8, 1700-1710
Article type
Communication

Manipulating atomic defects in plasmonic vanadium dioxide for superior solar and thermal management

Y. Ke, B. Zhang, T. Wang, Y. Zhong, T. D. Vu, S. Wang, Y. Liu, S. Magdassi, X. Ye, D. Zhao, Q. Xiong, Z. Sun and Y. Long, Mater. Horiz., 2021, 8, 1700
DOI: 10.1039/D1MH00413A

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