Staff View: Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement

Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement

Multifunctional nanocomposites have received great attention for years; electron transfer (ET) is considered as an explanatory mechanism for enhancement of performance of these nanostructures. The existence of this ET process has been proved in many studies using either experimental or computational...

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Main Authors:	Mai Quan Doan, Nguyen Ha Anh, Hoang Van Tuan, Nguyen Cong Tu, Nguyen Huu Lam, Nguyen Tien Khi, Vu Ngoc Phan, Pham Duc Thang, Anh-Tuan Le
Format:	Bài trích
Language:	English
Published:	Adsorption Science & Technology 2021
Online Access:	https://www.hindawi.com/journals/ast/2021/1169599/ https://dlib.phenikaa-uni.edu.vn/handle/PNK/3315 https://doi.org/10.1155/2021/1169599
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spelling	oai:localhost:PNK-33152022-08-17T05:54:46Z Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement Mai Quan Doan Nguyen Ha Anh Hoang Van Tuan Nguyen Cong Tu Nguyen Huu Lam Nguyen Tien Khi Vu Ngoc Phan Pham Duc Thang Anh-Tuan Le Multifunctional nanocomposites have received great attention for years; electron transfer (ET) is considered as an explanatory mechanism for enhancement of performance of these nanostructures. The existence of this ET process has been proved in many studies using either experimental or computational approaches. In this study, a ternary nanocomposite system of Ag/TiO2/GO was prepared to evaluate the performance enhancement in two experimental models: a physical model (i.e., surface-enhanced Raman scattering (SERS) sensor) and a chemical one (i.e., catalytic reduction reaction). The metal/semiconductor heterojunction between Ag and TiO2, as well as Ti-O-C bonds, has allowed plasmonic hot electrons to be transferred in the internal structure of the material. An investigation on the role of Ag content on the SERS sensing and catalytic reduction efficiency of Ag/TiO2/GO was performed in both models. Interestingly, they all resulted in the same optimal Ag content of 50 wt%. It was then further discussed to provide a convincing evidence for the plasmon-induced electron transfer phenomena in the Ag/TiO2/GO nanostructure. These findings also suggest a pathway to design and develop high-performance, cost-effective, facile-preparation, and eco-friendly multifunctional nanostructures for detecting and removing contaminants in environment. 2021-10-27T02:05:07Z 2021-10-27T02:05:07Z 2021 Bài trích https://www.hindawi.com/journals/ast/2021/1169599/ https://dlib.phenikaa-uni.edu.vn/handle/PNK/3315 https://doi.org/10.1155/2021/1169599 en Adsorption Science & Technology
institution	Digital Phenikaa
collection	Digital Phenikaa
language	English
description	Multifunctional nanocomposites have received great attention for years; electron transfer (ET) is considered as an explanatory mechanism for enhancement of performance of these nanostructures. The existence of this ET process has been proved in many studies using either experimental or computational approaches. In this study, a ternary nanocomposite system of Ag/TiO2/GO was prepared to evaluate the performance enhancement in two experimental models: a physical model (i.e., surface-enhanced Raman scattering (SERS) sensor) and a chemical one (i.e., catalytic reduction reaction). The metal/semiconductor heterojunction between Ag and TiO2, as well as Ti-O-C bonds, has allowed plasmonic hot electrons to be transferred in the internal structure of the material. An investigation on the role of Ag content on the SERS sensing and catalytic reduction efficiency of Ag/TiO2/GO was performed in both models. Interestingly, they all resulted in the same optimal Ag content of 50 wt%. It was then further discussed to provide a convincing evidence for the plasmon-induced electron transfer phenomena in the Ag/TiO2/GO nanostructure. These findings also suggest a pathway to design and develop high-performance, cost-effective, facile-preparation, and eco-friendly multifunctional nanostructures for detecting and removing contaminants in environment.
format	Bài trích
author	Mai Quan Doan Nguyen Ha Anh Hoang Van Tuan Nguyen Cong Tu Nguyen Huu Lam Nguyen Tien Khi Vu Ngoc Phan Pham Duc Thang Anh-Tuan Le
spellingShingle	Mai Quan Doan Nguyen Ha Anh Hoang Van Tuan Nguyen Cong Tu Nguyen Huu Lam Nguyen Tien Khi Vu Ngoc Phan Pham Duc Thang Anh-Tuan Le Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
author_facet	Mai Quan Doan Nguyen Ha Anh Hoang Van Tuan Nguyen Cong Tu Nguyen Huu Lam Nguyen Tien Khi Vu Ngoc Phan Pham Duc Thang Anh-Tuan Le
author_sort	Mai Quan Doan
title	Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
title_short	Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
title_full	Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
title_fullStr	Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
title_full_unstemmed	Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement
title_sort	improving sers sensing efficiency and catalytic reduction activity in multifunctional ternary ag-tio2-go nanostructures: roles of electron transfer process on performance enhancement
publisher	Adsorption Science & Technology
publishDate	2021
url	https://www.hindawi.com/journals/ast/2021/1169599/ https://dlib.phenikaa-uni.edu.vn/handle/PNK/3315 https://doi.org/10.1155/2021/1169599
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score	8.8894005

Improving SERS Sensing Efficiency and Catalytic Reduction Activity in Multifunctional Ternary Ag-TiO2-GO Nanostructures: Roles of Electron Transfer Process on Performance Enhancement

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