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Li Y, Zhou N, Yan J, Cui K, Chu Q, Chen X, Luo X, Deng X. A dual-signaling surface-enhanced Raman spectroscopy ratiometric strategy for ultrasensitive Hg 2+ detection based on Au@Ag/COF composites. Food Chem 2024; 456:139998. [PMID: 38852458 DOI: 10.1016/j.foodchem.2024.139998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/26/2024] [Accepted: 06/04/2024] [Indexed: 06/11/2024]
Abstract
Heavy metal ion pollution poses significant risks to human health and ecological systems, and its monitoring is important. A sensitive and accurate surface-enhanced Raman spectroscopy (SERS) detection assay for Hg2+ was developed using Au@Ag/COF substrates and Y-shaped DNA labeled with two Raman reporters. The Au@Ag NPs in the COF produced robust and uniform E-fields, improving their detection reproducibility. The Y-shaped DNA design increased sensitivity with a low detection limit of 5.0 × 10-16 M by bringing the Raman reporter closer to the substrate surface. Additionally, the use of two Raman reporters allowed for a ratiometric method, improving detection accuracy by detecting both "signal-off" and "signal-on" signals. This selective sensor exhibited excellent recovery in river water, tap water, and milk samples, showcasing its robust biosensing capability for the detection of Hg2+ and its potential for sensing other heavy-metal ions in food and environmental applications.
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Affiliation(s)
- Yuanyuan Li
- Shanghai Institute of Doping Analyses, Shanghai University of Sport, Shanghai 200438, PR China
| | - Na Zhou
- School of Science, Xihua University, Chengdu 610039, PR China
| | - Jiayu Yan
- Shanghai Institute of Doping Analyses, Shanghai University of Sport, Shanghai 200438, PR China
| | - Kaixin Cui
- School of Science, Xihua University, Chengdu 610039, PR China
| | - Qiqi Chu
- Shanghai Institute of Doping Analyses, Shanghai University of Sport, Shanghai 200438, PR China
| | - Xi Chen
- Shanghai Institute of Doping Analyses, Shanghai University of Sport, Shanghai 200438, PR China
| | - Xiaojun Luo
- School of Science, Xihua University, Chengdu 610039, PR China.
| | - Xiaojun Deng
- Shanghai Institute of Doping Analyses, Shanghai University of Sport, Shanghai 200438, PR China.
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Huang HJ, Chang HW, Lee CY, Shiao MH, Chiu YL, Lee PY, Lin YS. Effect of synthesis time on plasmonic properties of Ag dendritic nanoforests. IUCRJ 2022; 9:355-363. [PMID: 35546804 PMCID: PMC9067114 DOI: 10.1107/s2052252522002901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 03/15/2022] [Indexed: 06/15/2023]
Abstract
The effects of synthesis time on the plasmonic properties of Ag dendritic nanoforests on Si substrate (Ag-DNF/Si) samples synthesized through the fluoride-assisted galvanic replacement reaction were investigated. The Ag-DNF/Si samples were characterized using scanning electron microscopy, energy-dispersive X-ray spectroscopy, reflection spectroscopy, X-ray diffraction and surface-enhanced Raman spectroscopy (SERS). The prolonged reaction time led to the growth of an Ag-DNF layer and etched Si hole array. SEM images and variations in the fractal dimension index indicated that complex-structure, feather-like leaves became coral-like branches between 30 and 60 min of synthesis. The morphological variation during the growth of the Ag DNFs resulted in different optical responses to light illumination, especially those of light harvest and energy transformation. The sample achieved the most desirable light-to-heat conversion efficiency and SERS response with a 30 min growth time. A longer synthesis time or thicker Ag-DNF layer on the Si substrate did not have superior plasmonic properties.
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Affiliation(s)
- Hung Ji Huang
- Department of Electra-Optical Engineering, National Formosa University, Yunlin 632301, Taiwan
| | - Han-Wei Chang
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan
| | - Chia-Yen Lee
- Department of Electrical Engineering, National United University, Miaoli 360302, Taiwan
| | - Ming-Hua Shiao
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan
| | - Yen-Ling Chiu
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan
| | - Pee-Yew Lee
- Department of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Yung-Sheng Lin
- Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan
- PhD Program in Materials and Chemical Engineering, National United University, Miaoli 360302, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
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3
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Du G, Bao X, Lin S, Pang H, Bannur Nanjunda S, Bao Q. Infrared Polaritonic Biosensors Based on Two-Dimensional Materials. Molecules 2021; 26:molecules26154651. [PMID: 34361804 PMCID: PMC8347072 DOI: 10.3390/molecules26154651] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 11/16/2022] Open
Abstract
In recent years, polaritons in two-dimensional (2D) materials have gained intensive research interests and significant progress due to their extraordinary properties of light-confinement, tunable carrier concentrations by gating and low loss absorption that leads to long polariton lifetimes. With additional advantages of biocompatibility, label-free, chemical identification of biomolecules through their vibrational fingerprints, graphene and related 2D materials can be adapted as excellent platforms for future polaritonic biosensor applications. Extreme spatial light confinement in 2D materials based polaritons supports atto-molar concentration or single molecule detection. In this article, we will review the state-of-the-art infrared polaritonic-based biosensors. We first discuss the concept of polaritons, then the biosensing properties of polaritons on various 2D materials, then lastly the impending applications and future opportunities of infrared polaritonic biosensors for medical and healthcare applications.
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Affiliation(s)
- Guangyu Du
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China; (G.D.); (H.P.)
- Songshan Lake Materials Laboratory, Dongguan 523808, China;
| | - Xiaozhi Bao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macau, China;
| | - Shenghuang Lin
- Songshan Lake Materials Laboratory, Dongguan 523808, China;
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China; (G.D.); (H.P.)
| | - Shivananju Bannur Nanjunda
- Department of Electrical Engineering, Centre of Excellence in Biochemical Sensing and Imaging Technologies (Cen-Bio-SIM), Indian Institute of Technology Madras, Chennai 600036, India
- Correspondence: (S.B.N.); (Q.B.)
| | - Qiaoliang Bao
- Shenzhen Exciton Science and Technology Ltd., Shenzhen 518052, China
- Correspondence: (S.B.N.); (Q.B.)
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Huang HJ, Shiao MH, Lin YW, Lin BJ, Su J, Lin YS, Chang HW. Au@Ag Dendritic Nanoforests for Surface-Enhanced Raman Scattering Sensing. NANOMATERIALS 2021; 11:nano11071736. [PMID: 34209414 PMCID: PMC8307875 DOI: 10.3390/nano11071736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/26/2021] [Accepted: 06/28/2021] [Indexed: 11/16/2022]
Abstract
The effects of Au cores in Ag shells in enhancing surface-enhanced Raman scattering (SERS) were evaluated with samples of various Au/Ag ratios. High-density Ag shell/Au core dendritic nanoforests (Au@Ag-DNFs) on silicon (Au@Ag-DNFs/Si) were synthesized using the fluoride-assisted Galvanic replacement reaction method. The synthesized Au@Ag-DNFs/Si samples were characterized using scanning electron microscopy, energy-dispersive X-ray spectroscopy, reflection spectroscopy, X-ray diffraction, and Raman spectroscopy. The ultraviolet-visible extinction spectrum exhibited increased extinction induced by the addition of Ag when creating the metal DNFs layer. The pure Ag DNFs exhibited high optical extinction of visible light, but low SERS response compared with Au@Ag DNFs. The Au core (with high refractive index real part) in Au@Ag DNFs maintained a long-leaf structure that focused the illumination light, resulting in the apparent SERS enhancement of the Ag coverage.
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Affiliation(s)
- Hung Ji Huang
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan; (H.J.H.); (M.-H.S.); (J.S.)
| | - Ming-Hua Shiao
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan; (H.J.H.); (M.-H.S.); (J.S.)
| | - Yang-Wei Lin
- Department of Chemistry, National Changhua University of Education, Changhua 500207, Taiwan;
| | - Bei-Ju Lin
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan;
| | - James Su
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan; (H.J.H.); (M.-H.S.); (J.S.)
| | - Yung-Sheng Lin
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan;
- Ph.D. Program in Materials and Chemical Engineering, National United University, Miaoli 360001, Taiwan
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Correspondence: (Y.-S.L.); (H.-W.C.); Tel.: +886-37-382199 (Y.-S.L.); +886-37-382216 (H.-W.C.)
| | - Han-Wei Chang
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan;
- Correspondence: (Y.-S.L.); (H.-W.C.); Tel.: +886-37-382199 (Y.-S.L.); +886-37-382216 (H.-W.C.)
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Raman and Fluorescence Enhancement Approaches in Graphene-Based Platforms for Optical Sensing and Imaging. NANOMATERIALS 2021; 11:nano11030644. [PMID: 33808013 PMCID: PMC7999291 DOI: 10.3390/nano11030644] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/19/2021] [Accepted: 02/26/2021] [Indexed: 01/15/2023]
Abstract
The search for novel platforms and metamaterials for the enhancement of optical and particularly Raman signals is still an objective since optical techniques offer affordable, noninvasive methods with high spatial resolution and penetration depth adequate to detect and image a large variety of systems, from 2D materials to molecules in complex media and tissues. Definitely, plasmonic materials produce the most efficient enhancement through the surface-enhanced Raman scattering (SERS) process, allowing single-molecule detection, and are the most studied ones. Here we focus on less explored aspects of SERS such as the role of the inter-nanoparticle (NP) distance and the ultra-small NP size limit (down to a few nm) and on novel approaches involving graphene and graphene-related materials. The issues on reproducibility and homogeneity for the quantification of the probe molecules will also be discussed. Other light enhancement mechanisms, in particular resonant and interference Raman scatterings, as well as the platforms that allow combining several of them, are presented in this review with a special focus on the possibilities that graphene offers for the design and fabrication of novel architectures. Recent fluorescence enhancement platforms and strategies, so important for bio-detection and imaging, are reviewed as well as the relevance of graphene oxide and graphene/carbon nanodots in the field.
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Zhang CY, Zhao BC, Hao R, Wang Z, Hao YW, Zhao B, Liu YQ. Graphene oxide-highly anisotropic noble metal hybrid systems for intensified surface enhanced Raman scattering and direct capture and sensitive discrimination in PCBs monitoring. JOURNAL OF HAZARDOUS MATERIALS 2020; 385:121510. [PMID: 31704120 DOI: 10.1016/j.jhazmat.2019.121510] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/13/2019] [Accepted: 10/18/2019] [Indexed: 06/10/2023]
Abstract
Graphene oxide (GO)-anisotropic noble metal hybrid systems were developed as highly sensitive and reproducible surface enhanced Raman scattering (SERS) platform, in which ultrathin GO was embedded between two metallic layers of flower-like Ag nanoparticles (AgNFs) and gold nanostars (AuNSts). Due to multi-dimensional plasmonic coupling effect, the well-designed AgNFs-GO-AuNSts sandwich structures possessed ultrahigh sensitivity with the detection limit of R6G as low as 1.0 × 10-13 M and high enhancement factor of 2.59 × 107. Additionally, the GO interlayer could function as protective shell to suppress the oxidation of bottom silver layer and efficiently position the target analytes within hot spots. These features endow the substrate with high stability and excellent reproducibility (Signal variations < 7%). Particularly, the GO sandwiched substrate can be explored for the direct capture and sensitive detection of polychlorinated biphenyls (PCBs) without any organic modifier as molecule harvester. This minimum detected concentration was estimated as low as 3.4 × 10-6 M. The detection method based on GO mediated sandwich substrate avoids complicated surface modification manipulations and improves the substrate cleanness. Moreover, the resultant sandwich substrates can be used to recognize fingerprint peaks of different PCBs in their complex mixture, revealing great potential applications in SERS-based simultaneous detection of multiple pollutants with low affinity.
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Affiliation(s)
- Cong-Yun Zhang
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Bai-Chuan Zhao
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Rui Hao
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Zhi Wang
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
| | - Yao-Wu Hao
- The Department of Materials Science and Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA
| | - Bin Zhao
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China.
| | - Ya-Qing Liu
- Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China.
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Das A, Maiti N, Dhayagude AC, Pathak AK, Chadha R, Neogy S, Kapoor S. A study of light induced surface reactions of sildenafil citrate on hybrid AgCl/Ag nanoparticle dimers by surface enhanced Raman scattering and pulse radiolysis techniques. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123864] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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8
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Hong Q, Luo J, Wen C, Zhang J, Zhu Z, Qin S, Yuan X. Hybrid metal-graphene plasmonic sensor for multi-spectral sensing in both near- and mid-infrared ranges. OPTICS EXPRESS 2019; 27:35914-35924. [PMID: 31878756 DOI: 10.1364/oe.27.035914] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 11/14/2019] [Indexed: 05/21/2023]
Abstract
This paper proposes a hybrid metal-graphene plasmonic sensor which can simultaneously perform multi-spectral sensing in near- and mid-IR ranges. The proposed sensor consists of an array of asymmetric gold nano-antennas integrated with an unpatterned graphene sheet. The gold antennas support sharp Fano-resonances for near-IR sensing while the excitation of graphene plasmonic resonances extend the sensing spectra to the mid-IR range. Such a broadband spectral range goes far beyond previously demonstrated multi-spectral plasmonic sensors. The sensitivity and figure of merit (FOM) as well as their dependence on the thickness of the sensing layer and Fermi energy of graphene are studied systematically. This new type of sensor combines the advantages of conventional metallic plasmonic sensors and graphene plasmonic sensors and may open a new door for high-performance, multi-functional plasmonic sensing.
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Zhao X, Deng M, Rao G, Yan Y, Wu C, Jiao Y, Deng A, Yan C, Huang J, Wu S, Chen W, Lei T, Xu P, He W, Xiong J. High-Performance SERS Substrate Based on Hierarchical 3D Cu Nanocrystals with Efficient Morphology Control. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802477. [PMID: 30146774 DOI: 10.1002/smll.201802477] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/01/2018] [Indexed: 05/21/2023]
Abstract
Cu nanocrystals of various shapes are synthesized via a universal, eco-friendly, and facile colloidal method on Al substrates using hexadecylamine (HDA) as a capping agent and glucose as a reductant. By tuning the concentration of the capping agent, hierarchical 3D Cu nanocrystals show pronounced surface-enhanced Raman scattering (SERS) through the concentrated hot spots at the sharp tips and gaps due to the unique 3D structure and the resulting plasmonic couplings. Intriguingly, 3D sword-shaped Cu crystals have the highest enhancement factor (EF) because of their relatively uniform size distribution and alignment. This work opens new pathways for efficiently realizing morphology control for Cu nanocrystals as highly efficient SERS platforms.
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Affiliation(s)
- Xiaohui Zhao
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Min Deng
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Gaofeng Rao
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Yichao Yan
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Chunyang Wu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Yu Jiao
- School of Applied and Chemical Engineering, Xichang College, Xichang, 615053, P. R. China
| | - Anqing Deng
- Faculty of Science, Zhejiang University, Hangzhou, 310012, P. R. China
| | - Chaoyi Yan
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jianwen Huang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Songhao Wu
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Wei Chen
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Tianyu Lei
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Ping Xu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Weidong He
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jie Xiong
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
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Li K, Liu A, Wei D, Yu K, Sun X, Yan S, Huang Y. Electromagnetic Field Redistribution in Metal Nanoparticle on Graphene. NANOSCALE RESEARCH LETTERS 2018; 13:124. [PMID: 29696469 PMCID: PMC5918144 DOI: 10.1186/s11671-018-2535-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 04/16/2018] [Indexed: 06/08/2023]
Abstract
Benefiting from the induced image charge on metal film, the light energy is confined on a film surface under metal nanoparticle dimer, which is called electromagnetic field redistribution. In this work, electromagnetic field distribution of metal nanoparticle monomer or dimer on graphene is investigated through finite-difference time-domain method. The results point out that the electromagnetic field (EM) redistribution occurs in this nanoparticle/graphene hybrid system at infrared region where light energy could also be confined on a monolayer graphene surface. Surface charge distribution was analyzed using finite element analysis, and surface-enhanced Raman spectrum (SERS) was utilized to verify this phenomenon. Furthermore, the data about dielectric nanoparticle on monolayer graphene demonstrate this EM redistribution is attributed to strong coupling between light-excited surface charge on monolayer graphene and graphene plasmon-induced image charge on dielectric nanoparticle surface. Our work extends the knowledge of monolayer graphene plasmon, which has a wide range of applications in monolayer graphene-related film.
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Affiliation(s)
- Keke Li
- Department of Applied Physics, College of Physics, Chongqing University, Chongqing, 400044, China
- Soft Matter and Interdisciplinary Research Center, College of Physics, Chongqing University, Chongqing, 400044, China
| | - Anping Liu
- Department of Applied Physics, College of Physics, Chongqing University, Chongqing, 400044, China.
| | - Dapeng Wei
- Chongqing Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China.
| | - Keke Yu
- Department of Applied Physics, College of Physics, Chongqing University, Chongqing, 400044, China
- Soft Matter and Interdisciplinary Research Center, College of Physics, Chongqing University, Chongqing, 400044, China
| | - Xiaonan Sun
- Department of Applied Physics, College of Physics, Chongqing University, Chongqing, 400044, China
| | - Sheng Yan
- Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Yingzhou Huang
- Soft Matter and Interdisciplinary Research Center, College of Physics, Chongqing University, Chongqing, 400044, China.
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Nan H, Chen Z, Jiang J, Li J, Zhao W, Ni Z, Gu X, Xiao S. The effect of graphene on surface plasmon resonance of metal nanoparticles. Phys Chem Chem Phys 2018; 20:25078-25084. [DOI: 10.1039/c8cp03293a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Two transparent graphene–metal nanoparticle (NP) hybrid schemes, namely Au NPs covered by graphene layers and Au NPs encapsulated by graphene layers, are presented and the effect of graphene on the localized surface plasmon resonance of metal NPs is systematically investigated.
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Affiliation(s)
- Haiyan Nan
- Engineering Research Center of IoT Technology Applications (Ministry of Education)
- Department of Electronic Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Zhirong Chen
- Engineering Research Center of IoT Technology Applications (Ministry of Education)
- Department of Electronic Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Jie Jiang
- Department of Physics and Key Laboratory of MEMS of the Ministry of Education
- Southeast University
- Nanjing 211189
- China
| | - JiaQi Li
- Department of Physics and Key Laboratory of MEMS of the Ministry of Education
- Southeast University
- Nanjing 211189
- China
| | - Weiwei Zhao
- Jiangsu Key Laboratory for Design and Fabrication of Micro–Nano Biomedical Instruments
- School of mechanical engineering
- Southeast University
- Nanjing 211189
- China
| | - Zhenhua Ni
- Department of Physics and Key Laboratory of MEMS of the Ministry of Education
- Southeast University
- Nanjing 211189
- China
| | - Xiaofeng Gu
- Engineering Research Center of IoT Technology Applications (Ministry of Education)
- Department of Electronic Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Shaoqing Xiao
- Engineering Research Center of IoT Technology Applications (Ministry of Education)
- Department of Electronic Engineering
- Jiangnan University
- Wuxi 214122
- China
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12
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Lai H, Xu F, Zhang Y, Wang L. Recent progress on graphene-based substrates for surface-enhanced Raman scattering applications. J Mater Chem B 2018; 6:4008-4028. [DOI: 10.1039/c8tb00902c] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Graphene-based SERS substrates are classified and introduced, and their applications in biosensing-related fields are reviewed.
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Affiliation(s)
- Huasheng Lai
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
- P. R. China
| | - Fugang Xu
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
- P. R. China
| | - Yue Zhang
- School of Chemistry & Chemical Engineering
- Tianjin University of Technology
- Tianjin 300384
- P. R. China
| | - Li Wang
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
- P. R. China
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13
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Thanh TD, Balamurugan J, Hien HV, Kim NH, Lee JH. A novel sensitive sensor for serotonin based on high-quality of AuAg nanoalloy encapsulated graphene electrocatalyst. Biosens Bioelectron 2017; 96:186-193. [DOI: 10.1016/j.bios.2017.05.014] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/26/2017] [Accepted: 05/05/2017] [Indexed: 12/01/2022]
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14
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Sheng Y, Sun Y, Xu J, Zhang J, Han Y. Fenton‐like degradation of rhodamine B over highly durable Cu‐embedded alumina: Kinetics and mechanism. AIChE J 2017. [DOI: 10.1002/aic.15937] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yiyi Sheng
- State Key Laboratory of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237 China
| | - Yang Sun
- State Key Laboratory of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237 China
| | - Jing Xu
- State Key Laboratory of Chemical EngineeringEast China University of Science and TechnologyShanghai 200237 China
| | - Jie Zhang
- Research Center of Heterogeneous Catalysis and Engineering Sciences, School of Chemical Engineering and EnergyZhengzhou UniversityZhengzhou 450001 China
| | - Yi‐Fan Han
- Research Center of Heterogeneous Catalysis and Engineering Sciences, School of Chemical Engineering and EnergyZhengzhou UniversityZhengzhou 450001 China
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15
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Pan Q, Hong J, Zhang G, Shuai Y, Tan H. Graphene plasmonics for surface enhancement near-infrared absorptivity. OPTICS EXPRESS 2017; 25:16400-16408. [PMID: 28789144 DOI: 10.1364/oe.25.016400] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 06/28/2017] [Indexed: 06/07/2023]
Abstract
Monolayer graphene has poor absorption in the near-infrared region. Its layer is only as thick as a single atom so it cannot have a high absorptivity. In this paper, in order to form a hybrid system, the absorption characteristics of monolayer graphene covering a metal/dielectric/metal substrate has been theoretically analyzed. The magnetic polaritons in the metal/dielectric couple with the plasmonic resonance in the graphene to dramatically enhance the graphene absorptivity. This study analyzes the factors that enhance the absorptivity, including the geometric parameters and the relative positions of the graphene. The local electromagnetic field and the power dissipation density are illustrated to explain the underlying mechanisms further. These numerical results can provide potential application in the field of optical detection and optoelectronic devices.
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Abstract
Surface-enhanced Raman scattering (SERS) has been extensively investigated as an effective approach for trace species detection. Silver nanostructures are high-sensitivity SERS substrates in common use, but their poor chemical stability impedes practical applications. Herein, a stable and sensitive SERS substrate based on the hybrid structures of graphene/silver film/laser-textured Si (G/Ag/LTSi) was developed, and a simple, rapid, and low-cost fabrication approach was explored. Abundant nanoparticles were directly created and deposited on the Si surface via laser ablation. These aggregated nanoparticles functioned as hotspots after a 30 nm Ag film coating. A monolayer graphene was transferred to the Ag film surface to prevent the Ag from oxidation. The SERS behavior was investigated by detecting R6G and 4-MBT molecules. The experimental results indicate that the maximum enhancement factor achieved by the G/Ag/LTSi substrate is over 107 and less than 23% SERS signals lost when the substrate was exposed to ambient conditions for 50 days. The covering graphene layer played crucial roles in both the Raman signals enhancement and the Ag nanostructure protection. The stable and sensitive SERS performance of G/Ag/LTSi substrate evince that the present strategy is a useful and convenient route to fabricate large-area graphene-silver plasmonic hybrids for SERS applications.
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17
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Yuan Y, Panwar N, Yap SHK, Wu Q, Zeng S, Xu J, Tjin SC, Song J, Qu J, Yong KT. SERS-based ultrasensitive sensing platform: An insight into design and practical applications. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.02.006] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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18
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Yu X, Zhang W, Zhang P, Su Z. Fabrication technologies and sensing applications of graphene-based composite films: Advances and challenges. Biosens Bioelectron 2017; 89:72-84. [DOI: 10.1016/j.bios.2016.01.081] [Citation(s) in RCA: 173] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 01/01/2016] [Accepted: 01/28/2016] [Indexed: 01/25/2023]
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19
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Zhao Y, Yang D, Li X, Liu Y, Hu X, Zhou D, Lu Y. Toward highly sensitive surface-enhanced Raman scattering: the design of a 3D hybrid system with monolayer graphene sandwiched between silver nanohole arrays and gold nanoparticles. NANOSCALE 2017; 9:1087-1096. [PMID: 27973628 DOI: 10.1039/c6nr06834k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report a novel graphene-metal hybrid system by introducing monolayer graphene between gold nanoparticles (Au NPs) and silver nanohole (Ag NH) arrays. The design incorporates three key advantages to promote the surface-enhanced Raman scattering (SERS) sensing capacity: (i) making full use of the single-atomic feature of graphene for generating uniform sub-nanometer spaces; (ii) maintaining the bottom layer of Ag nanoarrays with an ordered manner for facilitating the transfer of graphene films and assembly of the top layer of Au NPs; (iii) integrating the advantages of the strong plasmonic effect of Ag, the chemical stability of Au, as well as the mechanical flexibility and biological compatibility of graphene. In this configuration, the plasmonic properties can be fine-tuned by separately optimizing the horizontal or vertical gaps between the metal NPs. Exactly, sub-20 nm spaces between the horizontally patterned Ag tips constructed by adjacent Ag NHs, and sub-nanometer scale graphene gaps between the vertically distributed Au NP-Ag NH have been achieved. Finite element numerical simulations demonstrate that the multi-dimensional plasmonic couplings (including the Au NP-Au NP, Au NP-Ag NH and Ag NH-Ag NH couplings) promote for the hybrid platform an electric field enhancement up to 137 times. Impressively, the as-prepared 3D Au NP-graphene-Ag NH array hybrid structure manifests ultrahigh SERS sensitivity with a detection limit of 10-13 M for R6G molecules, as well as good reproducibility and stability. This work represents a step towards high-performance SERS substrate fabrication, and opens up a new route for graphene-plasmonic hybrids in SERS applications.
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Affiliation(s)
- Yuan Zhao
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China. and School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China.
| | - Dong Yang
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China.
| | - Xiyu Li
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China.
| | - Yu Liu
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China.
| | - Xiang Hu
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Dianfa Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Yalin Lu
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China. and Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China and Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei 230026, China and Laser Optics Research Center, Physics Department, United States Air Force Academy, Colorado 80840, USA
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20
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He J, Xu F, Chen Z, Hou X, Liu Q, Long Z. AuNPs/COFs as a new type of SERS substrate for sensitive recognition of polyaromatic hydrocarbons. Chem Commun (Camb) 2017; 53:11044-11047. [DOI: 10.1039/c7cc06440c] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new SERS substrate was prepared via 1 min self-assembly of Au NPs to COFs for the sensitive recognition of PAHs.
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Affiliation(s)
- Juan He
- Department of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Fujian Xu
- Analytical & Testing Centre
- Sichuan University
- Chengdu 610064
- China
| | - Zhuo Chen
- Department of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Xiandeng Hou
- Department of Chemistry
- Sichuan University
- Chengdu 610064
- China
- Analytical & Testing Centre
| | - Qin Liu
- Analytical & Testing Centre
- Sichuan University
- Chengdu 610064
- China
| | - Zhou Long
- Analytical & Testing Centre
- Sichuan University
- Chengdu 610064
- China
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21
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Kibar G, Topal AE, Dana A, Tuncel A. Newly designed silver coated-magnetic, monodisperse polymeric microbeads as SERS substrate for low-level detection of amoxicillin. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.04.086] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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22
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Li Y, Fan B, Han F, Yang J, Zhang R. Microwave-assisted synthesis of Ag/rGO composites and their cytotoxicity for HT22 Neuronal cell. ACTA ACUST UNITED AC 2016. [DOI: 10.1080/14328917.2016.1212511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Yaya Li
- School of Materials Science and Engineering, Zhengzhou University, Henan, PR China
| | - Bingbing Fan
- School of Materials Science and Engineering, Zhengzhou University, Henan, PR China
| | - Fengqi Han
- School of Materials Science and Engineering, Zhengzhou University, Henan, PR China
| | - Jing Yang
- School of Materials Science and Engineering, Zhengzhou University, Henan, PR China
| | - Rui Zhang
- School of Materials Science and Engineering, Zhengzhou University, Henan, PR China
- Provincial Key Laboratory of Aviation Materials and Application Technology,ZhengZhou Institute of Aeronautical Industry Management, Henan, PR China
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23
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Chiu NF, Fan SY, Yang CD, Huang TY. Carboxyl-functionalized graphene oxide composites as SPR biosensors with enhanced sensitivity for immunoaffinity detection. Biosens Bioelectron 2016; 89:370-376. [PMID: 27396822 DOI: 10.1016/j.bios.2016.06.073] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 06/20/2016] [Accepted: 06/22/2016] [Indexed: 02/03/2023]
Abstract
This work demonstrates the excellent potential of carboxyl-functionalized graphene oxide (GO-COOH) composites to form biocompatible surfaces on sensing films for use in surface plasmon resonance (SPR)-based immunoaffinity biosensors. Carboxyl-functionalization of graphene carbon can modulate its visible spectrum, and can therefore be used to improve and control the plasmonic coupling mechanism. The binding properties of the molecules between a sensing film and a protein were elucidated at various flow rates of those molecules. The bio-specific binding interaction among the molecules was investigated by performing an antigen and antibody affinity immunoassay. The results thus obtained revealed that the overall affinity binding value, KA, of the Au/GO-COOH chip can be significantly enhanced by up to ∼5.15 times that of the Au/GO chip. With respect to the shifts of the SPR angles of the chips, the affinity immunoassay interaction at a BSA concentration of 1μg/ml for an Au/GO-COOH chip, an Au/GO chip and a traditional SPR chip are 35.5m°, 9.128m° and 8.816m°, respectively. The enhancement of the antigen-antibody interaction of the Au/GO-COOH chip cause this chip to become four times as sensitive to the SPR angle shift and to have the lowest antibody detection limit of 0.01pg/ml. These results indicate the potential of the chip in detecting specific proteins, and the development of real-time in vivo blood analysis and diagnosis based on cancer tumor markers.
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Affiliation(s)
- Nan-Fu Chiu
- Laboratory of Nano-photonics and Biosensors, Institute of Electro-Optical Science and Technology, National Taiwan Normal University, No. 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan.
| | - Shi-Yuan Fan
- Laboratory of Nano-photonics and Biosensors, Institute of Electro-Optical Science and Technology, National Taiwan Normal University, No. 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan
| | - Cheng-Du Yang
- Laboratory of Nano-photonics and Biosensors, Institute of Electro-Optical Science and Technology, National Taiwan Normal University, No. 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan
| | - Teng-Yi Huang
- Laboratory of Nano-photonics and Biosensors, Institute of Electro-Optical Science and Technology, National Taiwan Normal University, No. 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan
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24
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Zhang C, Jiang SZ, Yang C, Li CH, Huo YY, Liu XY, Liu AH, Wei Q, Gao SS, Gao XG, Man BY. Gold@silver bimetal nanoparticles/pyramidal silicon 3D substrate with high reproducibility for high-performance SERS. Sci Rep 2016; 6:25243. [PMID: 27143507 PMCID: PMC4855179 DOI: 10.1038/srep25243] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 04/13/2016] [Indexed: 11/09/2022] Open
Abstract
A novel and efficient surface enhanced Raman scattering (SERS) substrate has been presented based on Gold@silver/pyramidal silicon 3D substrate (Au@Ag/3D-Si). By combining the SERS activity of Ag, the chemical stability of Au and the large field enhancement of 3D-Si, the Au@Ag/3D-Si substrate possesses perfect sensitivity, homogeneity, reproducibility and chemical stability. Using R6G as probe molecule, the SERS results imply that the Au@Ag/3D-Si substrate is superior to the 3D-Si, Ag/3D-Si and Au/3D-Si substrate. We also confirmed these excellent behaviors in theory via a commercial COMSOL software. The corresponding experimental and theoretical results indicate that our proposed Au@Ag/3D-Si substrate is expected to develop new opportunities for label-free SERS detections in biological sensors, biomedical diagnostics and food safety.
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Affiliation(s)
- Chao Zhang
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Shou Zhen Jiang
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China.,State Key Lab of Crystal Materials Shandong University, Jinan 250100, China
| | - Cheng Yang
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Chong Hui Li
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Yan Yan Huo
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Xiao Yun Liu
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Ai Hua Liu
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Qin Wei
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Sai Sai Gao
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Xing Guo Gao
- School of Science, Qilu University of Technology, Jinan 250353, China
| | - Bao Yuan Man
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
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25
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Gao SS, Shang SB, Liu XY, Li Z, Sheng YQ, Zhang C, Yang C, Qiu HW, Huo YY, Jiang SZ. An optical fiber SERS sensor based on GO/AgNPs/rGO sandwich structure hybrid films. RSC Adv 2016. [DOI: 10.1039/c6ra16869h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this work, we present a novel optical fiber SERS (OF-SERS) sensor based on a sandwich structure of GO/AgNPs/rGO.
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Affiliation(s)
- S. S. Gao
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - S. B. Shang
- Shanghai Triumph Energy Conservation Engineering Co., Ltd
- China
| | - X. Y. Liu
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - Z. Li
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - Y. Q. Sheng
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - C. Zhang
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - C. Yang
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - H. W. Qiu
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - Y. Y. Huo
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
| | - S. Z. Jiang
- School of Physics and Electronics
- Shandong Normal University
- Jinan
- People's Republic of China
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26
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Li X, Zhu J, Wei B. Hybrid nanostructures of metal/two-dimensional nanomaterials for plasmon-enhanced applications. Chem Soc Rev 2016; 45:3145-87. [DOI: 10.1039/c6cs00195e] [Citation(s) in RCA: 298] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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27
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Wu J, Xu Y, Xu P, Pan Z, Chen S, Shen Q, Zhan L, Zhang Y, Ni W. Surface-enhanced Raman scattering from AgNP-graphene-AgNP sandwiched nanostructures. NANOSCALE 2015; 7:17529-17537. [PMID: 26444556 DOI: 10.1039/c5nr04500b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We developed a facile approach toward hybrid AgNP-graphene-AgNP sandwiched structures using self-organized monolayered AgNPs from wet chemical synthesis for the optimized enhancement of the Raman response of monolayer graphene. We demonstrate that the Raman scattering of graphene can be enhanced 530 fold in the hybrid structure. The Raman enhancement is sensitively dependent on the hybrid structure, incident angle, and excitation wavelength. A systematic simulation is performed, which well explains the enhancement mechanism. Our study indicates that the enhancement resulted from the plasmonic coupling between the AgNPs on the opposite sides of graphene. Our approach towards ideal substrates offers great potential to produce a "hot surface" for enhancing the Raman response of two-dimensional materials.
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Affiliation(s)
- Jian Wu
- Department of Physics and Astronomy, Key Laboratory for Laser Plasmas (Ministry of Education), State Key Lab of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai, 200240, China.
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28
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Abstract
Graphene, a one-atomic-layer-thick planar sheet of sp(2)-bonded carbon configured in a two-dimensional hexagonal lattice, has attracted considerable research interest with regard to sensing-related applications owing to its extraordinary electronic, optical, chemical, and mechanical properties. Graphene plasmonics may be excited in the mid-infrared-to-terahertz regions with high spatial confinement, low loss, and excellent tunability. Meanwhile, graphene can be utilized to tune the plasmonic properties of conventional metallic nanostructures in the visible and near-infrared regions, allowing it to act as a versatile component in various plasmonic applications. This article reviews the recent progress in graphene-based hybrid films used for plasmonic sensing and detection. We particularly emphasize on the unique roles and advantages of graphene in surface-enhanced Raman scattering (SERS) for bare graphene or graphene-metal hybrid films, and plasmonic refractive index (RI) sensing for graphene-metal or graphene-insulator hybrids, among other plasmonic sensing applications. The preparation of graphene-based hybrid films, their functionalization and signal detection techniques are also reviewed. Finally, the perspectives and current challenges in the use of graphene-based hybrid films for plasmonic sensing are outlined.
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Affiliation(s)
- Yuan Zhao
- Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences, Department of Materials Science and Engineering, University of Science and Technology of China, 96 Jin Zhai Rd, Hefei, Anhui Province 230026, P. R. China.
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29
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Li X, Ren X, Zhang Y, Choy WCH, Wei B. An all-copper plasmonic sandwich system obtained through directly depositing copper NPs on a CVD grown graphene/copper film and its application in SERS. NANOSCALE 2015; 7:11291-11299. [PMID: 25959991 DOI: 10.1039/c5nr00944h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A simple, low-cost, all-copper sandwich system has been obtained through directly depositing Cu nanoparticles (NPs) onto a graphene sheet, which has already been grown on a Cu foil (Cu-NGF). The new design inherits two key advantages: (1) the materials of the NGF coupling system are composed of only cheaper Cu instead of Au and Ag, (2) direct fabrication of the system without transferring graphene will greatly lower the fabrication cost. More importantly, the Cu-NFG system shows a high sensitivity in surface-enhanced Raman scattering (SERS) with the highest enhancement factor (EF, over 1.89 × 10(7)) reported to date in Cu plasmonic systems. Experimental and theoretical results reveal that the strong EF is mainly because of the strong near-field coupling between Cu NPs and Cu films at the optimal angle of incidence, opening up a new route for Cu materials in SERS applications.
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Affiliation(s)
- Xuanhua Li
- State Key Laboratory of Solidification Processing, Center of Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, P.R. China
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30
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Gong X, Tang J, Ji Y, Wu B, Wu H, Liu A. Adjustable plasmonic optical properties of hollow gold nanospheres monolayers and LSPR-dependent surface-enhanced Raman scattering of hollow gold nanosphere/graphene oxide hybrids. RSC Adv 2015. [DOI: 10.1039/c5ra08057f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Colloidal hollow gold nanospheres with adjustable localized surface plasmon resonance (LSPR) properties were synthesized and self-assembled into HGNs monolayers for investigation of LSPR-dependent surface enhanced Raman scattering (SERS) behavior.
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Affiliation(s)
- Xue Gong
- Center for Optoelectronics Materials and Devices
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Jian Tang
- Center for Optoelectronics Materials and Devices
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Yixin Ji
- Center for Optoelectronics Materials and Devices
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Bingbing Wu
- Key Laboratory of E&M (Zhejiang University of Technology)
- Ministry of Education & Zhejiang Province
- Hangzhou 310014
- China
| | - Huaping Wu
- Key Laboratory of E&M (Zhejiang University of Technology)
- Ministry of Education & Zhejiang Province
- Hangzhou 310014
- China
| | - Aiping Liu
- Center for Optoelectronics Materials and Devices
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
- State Key Lab of Silicon Materials
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31
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Liu J, Liu L, Wu X, Zhang X, Li T. Environmentally friendly synthesis of graphene–silver composites with surface-enhanced Raman scattering and antibacterial activity via reduction with l-ascorbic acid/water vapor. NEW J CHEM 2015. [DOI: 10.1039/c5nj00414d] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Free-standing reduced graphene oxide–Ag composite films with different Ag contents not only possess high Raman enhancement, but also have antibacterial activity.
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Affiliation(s)
- Jian Liu
- Shandong Provincial Key Laboratory of Fine Chemicals
- Key Laboratory of Fine Chemicals in Universities of Shandong
- Qilu University of Technology
- Jinan 250353
- China
| | - Libin Liu
- Shandong Provincial Key Laboratory of Fine Chemicals
- Key Laboratory of Fine Chemicals in Universities of Shandong
- Qilu University of Technology
- Jinan 250353
- China
| | - Xiwen Wu
- Shandong Provincial Key Laboratory of Fine Chemicals
- Key Laboratory of Fine Chemicals in Universities of Shandong
- Qilu University of Technology
- Jinan 250353
- China
| | - Xiaokai Zhang
- Institute of Semiconductors
- Shandong Normal University
- Jinan
- China
| | - Tianduo Li
- Shandong Provincial Key Laboratory of Fine Chemicals
- Key Laboratory of Fine Chemicals in Universities of Shandong
- Qilu University of Technology
- Jinan 250353
- China
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