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Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases

The effect of the ZrO(2) crystal form on surface-enhanced Raman scattering (SERS) activity was studied. The ratio of the tetragonal (T) and monoclinic (M) phases of ZrO(2) nanoparticles (ZrO(2) NPs) was controlled by regulating the ratio of two types of additives in the hydrothermal synthesis method...

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Detalles Bibliográficos
Autores principales: Yi, Mingyue, Zhang, Yu, Xu, Jiawen, Deng, Dingyuan, Mao, Zhu, Meng, Xiangchun, Shi, Xiumin, Zhao, Bing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8466494/
https://www.ncbi.nlm.nih.gov/pubmed/34578476
http://dx.doi.org/10.3390/nano11092162
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author Yi, Mingyue
Zhang, Yu
Xu, Jiawen
Deng, Dingyuan
Mao, Zhu
Meng, Xiangchun
Shi, Xiumin
Zhao, Bing
author_facet Yi, Mingyue
Zhang, Yu
Xu, Jiawen
Deng, Dingyuan
Mao, Zhu
Meng, Xiangchun
Shi, Xiumin
Zhao, Bing
author_sort Yi, Mingyue
collection PubMed
description The effect of the ZrO(2) crystal form on surface-enhanced Raman scattering (SERS) activity was studied. The ratio of the tetragonal (T) and monoclinic (M) phases of ZrO(2) nanoparticles (ZrO(2) NPs) was controlled by regulating the ratio of two types of additives in the hydrothermal synthesis method. The SERS intensity of 4-mercaptobenzoic acid (4–MBA) was gradually enhanced by changing the M and T phase ratio in ZrO(2) NPs. The degree of charge transfer (CT) in the enhanced 4–MBA molecule was greater than 0.5, indicating that CT was the main contributor to SERS. The intensity of SERS was strongest when the ratio of the T crystal phase in ZrO(2) was 99.7%, and the enhancement factor reached 2.21 × 10(4). More importantly, the proposed study indicated that the T and M phases of the ZrO(2) NPs affected the SERS enhancement. This study provides a new approach for developing high-quality SERS substrates and improving the transmission efficiency of molecular sensors.
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spelling pubmed-84664942021-09-27 Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases Yi, Mingyue Zhang, Yu Xu, Jiawen Deng, Dingyuan Mao, Zhu Meng, Xiangchun Shi, Xiumin Zhao, Bing Nanomaterials (Basel) Article The effect of the ZrO(2) crystal form on surface-enhanced Raman scattering (SERS) activity was studied. The ratio of the tetragonal (T) and monoclinic (M) phases of ZrO(2) nanoparticles (ZrO(2) NPs) was controlled by regulating the ratio of two types of additives in the hydrothermal synthesis method. The SERS intensity of 4-mercaptobenzoic acid (4–MBA) was gradually enhanced by changing the M and T phase ratio in ZrO(2) NPs. The degree of charge transfer (CT) in the enhanced 4–MBA molecule was greater than 0.5, indicating that CT was the main contributor to SERS. The intensity of SERS was strongest when the ratio of the T crystal phase in ZrO(2) was 99.7%, and the enhancement factor reached 2.21 × 10(4). More importantly, the proposed study indicated that the T and M phases of the ZrO(2) NPs affected the SERS enhancement. This study provides a new approach for developing high-quality SERS substrates and improving the transmission efficiency of molecular sensors. MDPI 2021-08-24 /pmc/articles/PMC8466494/ /pubmed/34578476 http://dx.doi.org/10.3390/nano11092162 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Yi, Mingyue
Zhang, Yu
Xu, Jiawen
Deng, Dingyuan
Mao, Zhu
Meng, Xiangchun
Shi, Xiumin
Zhao, Bing
Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title_full Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title_fullStr Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title_full_unstemmed Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title_short Surface-Enhanced Raman Scattering Activity of ZrO(2) Nanoparticles: Effect of Tetragonal and Monoclinic Phases
title_sort surface-enhanced raman scattering activity of zro(2) nanoparticles: effect of tetragonal and monoclinic phases
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8466494/
https://www.ncbi.nlm.nih.gov/pubmed/34578476
http://dx.doi.org/10.3390/nano11092162
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