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Electrochromic semiconductors as colorimetric SERS substrates with high reproducibility and renewability.

07:00 EST 8th February 2019 | BioPortfolio

Summary of "Electrochromic semiconductors as colorimetric SERS substrates with high reproducibility and renewability."

Electrochromic technology has been actively researched for displays, adjustable mirrors, smart windows, and other cutting-edge applications. However, it has never been proposed to overcome the critical problems in the field of surface-enhanced Raman scattering (SERS). Herein, we demonstrate a generic electrochromic strategy for ensuring the reproducibility and renewability of SERS substrates, which are both scientifically and technically important due to the great need for quantitative analysis, standardized production and low cost in SERS. This color-changing strategy is based on a unique quantitative relationship between the SERS signal amplification and the coloration degree within a certain range, in which the SERS activity of the substrate can be effectively inferred by judging the degree of color change. Our results may provide a first step toward the rational design of electrochromic SERS substrates with a high sensitivity, reproducibility, and renewability.

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This article was published in the following journal.

Name: Nature communications
ISSN: 2041-1723
Pages: 678

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Medical and Biotech [MESH] Definitions

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