Color-coded imaging of electrochromic process at single nanoparticle level

Chemical Science
Chao JingYi-Tao Long

Abstract

Electrochromic materials have attracted increasing attention in the field of smart devices and energy economy due to their excellent reversible chromic properties. Investigating an electrochromic process at the nano-scale is beneficial to the development of functional nano-devices exploiting chromophores. In this study, a new method for real-time imaging of an electrochromic process at the single nanoparticle level is developed based on an ultra-sensitive plasmon resonance energy transfer (PRET) technique. The scattering light intensity of nanoparticles is applied to reveal energy transfer from nanoparticles to chromophores modulated by an electrochromic reaction. This PRET-based technique achieves the detection of hundreds of molecules on the surface of a single nanoparticle. Furthermore, a color-coded amplifying method has been introduced for high-throughput, converting light intensity into easily recognized colors via the Matlab program. Compared with traditional electrochemical imaging techniques, this facile and rapid approach using optical techniques to characterize a real-time electrochemical process significantly enhances detection sensitivity, time and spatial resolution. Notably, the obtained electrochromic behavior o...Continue Reading

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Citations

Feb 9, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Kaipei QiuYi-Tao Long
Jul 21, 2020·Advanced Materials·Shuliang DouYao Li
Feb 1, 2018·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jie PangXing-Hua Xia
Jun 14, 2018·Chemical Science·Tao LiuWei Wang
Jan 12, 2021·Analytical Chemistry·Ming Ke SongJun Zhou
Feb 10, 2021·Journal of Colloid and Interface Science·Jun ZhouCheng Zhi Huang
May 22, 2021·Nanoscale·Yoonhee KimJwa-Min Nam
Oct 8, 2020·Analytical Chemistry·Jun MaCheng Zhi Huang
Sep 24, 2016·Accounts of Chemical Research·Yimin FangN J Tao

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Methods Mentioned

BETA
imaging techniques
electrochemical microscopy
surface plasmon resonance

Software Mentioned

Matlab

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