51
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Liu B, Wang Y, Chen Y, Guo L, Wei G. Biomimetic two-dimensional nanozymes: synthesis, hybridization, functional tailoring, and biosensor applications. J Mater Chem B 2021; 8:10065-10086. [PMID: 33078176 DOI: 10.1039/d0tb02051f] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Biological enzymes play important roles in mediating the biological reactions in vitro and in vivo due to their high catalytic activity, strong bioactivity, and high specificity; however, they have also some disadvantages such as high cost, low environmental stability, weak reusability, and difficult production. To overcome these shortcomings, functional nanomaterials including metallic nanoparticles, single atoms, metal oxides, alloys, and others have been utilized as nanozymes to mimic the properties and functions of natural enzymes. Due to the development of the synthesis and applications of two-dimensional (2D) materials, 2D nanomaterials have shown high potential to be used as novel nanozymes in biosensing, bioimaging, therapy, logic gates, and environmental remediation due to their unique physical, chemical, biological, and electronic properties. In this work, we summarize recent advances in the preparation and functionalization, as well as biosensor and immunoassay applications of various 2D material-based nanozymes. To achieve this aim, first we demonstrate the preparation strategies of 2D nanozymes such as chemical reduction, templated synthesis, chemical exfoliation, calcination, electrochemical deposition, hydrothermal synthesis, and many others. Meanwhile, the structure and properties of the 2D nanozymes prepared by conjugating 2D materials with nanoparticles, metal oxides, biomolecules, polymers, ions, and 2D heteromaterials are introduced and discussed in detail. Then, the applications of the prepared 2D nanozymes in colorimetric, electrochemical, fluorescent, and electrochemiluminescent sensors are demonstrated.
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Affiliation(s)
- Bin Liu
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, P. R. China.
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52
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Lin J, Zheng J, Wu A. An efficient strategy for circulating tumor cell detection: surface-enhanced Raman spectroscopy. J Mater Chem B 2021; 8:3316-3326. [PMID: 31833526 DOI: 10.1039/c9tb02327e] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Circulating tumor cells (CTCs) are circulating cancer cells that shed from tumor tissue into blood vessels and circulate in the blood to invade other organs, which results in fatal metastases. The CTCs in human peripheral blood are the main cause of death in most cancer patients. The detection of CTCs is of great scientific significance and clinical application value for early diagnosis, rapid evaluation of the treatment effect, in vivo drug resistance testing, individualized treatment, tumor recurrence detection and survival time judgment, etc. The surface-enhanced Raman scattering (SERS) method possesses the features of remarkable detection sensitivity, a non-destructive nature, label-free detection, a quick spectrum response and a molecular fingerprint spectrum, which give it great potential in the detection field. In the past decade, SERS technology serving as a bioprobe has been increasingly applied to detect and analyze biological components due to its unique detection advantages. Here, we present an overview of SERS biosensing substrates and recent achievements in detecting CTCs using high-sensitivity SERS platforms, and provide a unique perspective on the design and application of high-performance SERS platforms for CTC detection, especially using non-metal materials.
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Affiliation(s)
- Jie Lin
- Cixi Institute of Biomedical Engineering, Chinese Academy of Science (CAS) Key Laboratory of Magnetic Materials and Devices & Key Laboratory of Additive Manufacturing Materials of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 ZhongGuan West Road, Ningbo, 315201, China.
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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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González-Campuzano R, Sato-Berrú RY, Mendoza D. Surface-enhanced Raman scattering effect in binary systems formed by graphene on aluminum plasmonic nanostructures. NANO EXPRESS 2021. [DOI: 10.1088/2632-959x/abe991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Binary systems (BS) formed by graphene (GR) deposited on top of aluminum (Al) nanoconcaves (Al-NC) and Al nanodomes (Al-ND) were synthesized by electrochemical anodization of Al. Using the plasmonic response of Al-NC and Al-ND and the distinctive physical and chemical properties of GR, these BS are proposed as Surface-Enhanced Raman Scattering (SERS) sensors using rhodamine 6G (R6G) as a proof molecule. As expected, the BS significantly enhances Raman signals of R6G molecules in comparison with substrates used as references, also suppressing the fluorescence background of R6G molecules.
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Brill AR, Biswas S, Caspary Toroker M, de Ruiter G, Koren E. Dipole-Induced Raman Enhancement Using Noncovalent Azobenzene-Functionalized Self-Assembled Monolayers on Graphene Terraces. ACS APPLIED MATERIALS & INTERFACES 2021; 13:10271-10278. [PMID: 33591709 DOI: 10.1021/acsami.0c20454] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Graphene is a promising material in the field of interface science, especially for noncovalent functionalization, sensing, and for applications in catalysis and nanoelectronics. The noncovalent self-assembly of aromatic molecules on graphene promotes electronic coupling through π-π interactions that allows for quenching of the fluorescence of adsorbent molecules and the enhancement of their Raman spectra via graphene-enhanced Raman spectroscopy (GERS). Although recent work has explored the Raman enhancement on mono- and bilayer graphene, the layer dependence of both electronic phenomena (i.e., fluorescence quenching and Raman enhancement) has largely remained underexplored. Similarly, the effect of near-surface molecular dipoles on GERS has sparsely been examined. In this work, we employ self-assembled monolayers of azobenzene-decorated triazatriangulene molecules (AzoTATA) on graphene terraces to examine the effect of switchable molecular dipoles on the GERS effect, which occurs as a function of azobenzene photoisomerization. Furthermore, using empirical and computational methods, we present a systematic study for deriving the mechanism of GERS enhancement and fluorescence quenching on graphene terraces.
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Affiliation(s)
- Adam R Brill
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
- Faculty of Materials Science and Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Santu Biswas
- Faculty of Materials Science and Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Maytal Caspary Toroker
- Faculty of Materials Science and Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
- The Nancy and Stephen Grand Technion Energy Program, Technion-Israel Institute of Technology, Haifa 3200008, Israel
| | - Graham de Ruiter
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Elad Koren
- Faculty of Materials Science and Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200008, Israel
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56
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Guan H, Li W, Han J, Yi W, Bai H, Kong Q, Xi G. General molten-salt route to three-dimensional porous transition metal nitrides as sensitive and stable Raman substrates. Nat Commun 2021; 12:1376. [PMID: 33654080 PMCID: PMC7925654 DOI: 10.1038/s41467-021-21693-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 02/05/2021] [Indexed: 11/09/2022] Open
Abstract
Transition metal nitrides have been widely studied due to their high electrical conductivity and excellent chemical stability. However, their preparation traditionally requires harsh conditions because of the ultrahigh activation energy barrier they need to cross in nucleation. Herein, we report three-dimensional porous VN, MoN, WN, and TiN with high surface area and porosity that are prepared by a general and mild molten-salt route. Trace water is found to be a key factor for the formation of these porous transition metal nitrides. The porous transition metal nitrides show hydrophobic surface and can adsorb a series of organic compounds with high capacity. Among them, the porous VN shows strong surface plasmon resonance, high conductivity, and a remarkable photothermal conversion efficiency. As a new type of corrosion- and radiation-resistant surface-enhanced Raman scattering substrate, the porous VN exhibits an ultrasensitive detection limit of 10-11 M for polychlorophenol.
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Affiliation(s)
- Haomin Guan
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing, P. R. China.,School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Wentao Li
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing, P. R. China
| | - Jing Han
- Technical Center of Qianjiang Customs House, General Administration of Customs, Hangzhou, P. R. China
| | - Wencai Yi
- School of Physics and Physical Engineering, Qufu Normal University, Qufu, P. R. China
| | - Hua Bai
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing, P. R. China
| | - Qinghong Kong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Guangcheng Xi
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing, P. R. China.
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57
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Rai B, Sarma PV, Srinivasan V, Shaijumon MM, Ramamurthy SS. Engineering of Exciton-Plasmon Coupling Using 2D-WS 2 Nanosheets for 1000-Fold Fluorescence Enhancement in Surface Plasmon-Coupled Emission Platforms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:1954-1960. [PMID: 33494607 DOI: 10.1021/acs.langmuir.0c03465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Enhancement of fluorescence emission from single-photon quantum emitters on plasmonic nanomaterials using surface plasmon-coupled emission (SPCE) platforms has seen significant advancements. In parallel, there has also been an exponential rise in applications involving two-dimensional (2D) transition-metal dichalcogenides (TMDs) that exhibit unique exciton-plasmon interactions. Although both these Frontier research areas have impacted the development of sensor and sensing technologies, no study coalesces these two arenas for translational applications. In this work, we use thin WS2 nanosheets for realizing 1000-fold fluorescence enhancement on the SPCE platform. Structure-dependent fluorescence enhancement exhibited by WS2 provides new insight into the use of TMDs and exciton-plasmon coupling in SPCE substrates. Cellphone-based detection of the emitting dipole is another unique aspect of this work that presents a low-cost alternative in comparison with high-end detectors.
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Affiliation(s)
- Bebeto Rai
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Prasad V Sarma
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Venkatesh Srinivasan
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Manikoth M Shaijumon
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Sai Sathish Ramamurthy
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
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58
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Zvyagina AI, Gusarova EA, Averin AA, Kalinina MA. Structural Effect of Perylene Derivatives on Their Interaction with Reduced Graphene Oxide Monolayers. RUSS J INORG CHEM+ 2021. [DOI: 10.1134/s0036023621020224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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59
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Ye Y, Chen C, Li W, Guo X, Yang H, Guan H, Bai H, Liu W, Xi G. Highly Sensitive W 18O 49 Mesocrystal Raman Scattering Substrate with Large-Area Signal Uniformity. Anal Chem 2021; 93:3138-3145. [PMID: 33523629 DOI: 10.1021/acs.analchem.0c04516] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Although mesocrystals with ordered building units have great potential in many fields because of the large amount of organic molecules used as structure-directing agents during their synthesis process, severe matrix interference makes their surface-enhanced Raman scattering (SERS) properties rarely understood. Herein, a rapid (20 s) and green microwave synthetic route is developed for the 100 g scale preparation of plasmonic W18O49 mesocrystals with no additives. The ultrathin (1.5 nm) and oxygen vacancy-rich W18O49 nanowires as a building unit greatly improve the interface charge transfer, while the periodic mesocrystal structure significantly enhances the localized surface plasmon resonance effect and creates high-density electromagnetic hot spots among the nanowires. An outstanding enhancement factor of 1.2 × 107 and an ultralow detectable limit of 10-11 M are achieved, and the single-molecule imaging is also realized on this mesocrystal-based SERS substrate. Moreover, the relative standard deviation of the fabricated large-area (2.2 cm2) SERS substrate is only 6.8%.
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Affiliation(s)
- Yuting Ye
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Chao Chen
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Wentao Li
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Xingzhou Guo
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Haifeng Yang
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Haomin Guan
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Hua Bai
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Wei Liu
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Guangcheng Xi
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
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60
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Nurrohman DT, Chiu NF. A Review of Graphene-Based Surface Plasmon Resonance and Surface-Enhanced Raman Scattering Biosensors: Current Status and Future Prospects. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:216. [PMID: 33467669 PMCID: PMC7830205 DOI: 10.3390/nano11010216] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/07/2021] [Accepted: 01/12/2021] [Indexed: 12/12/2022]
Abstract
The surface plasmon resonance (SPR) biosensor has become a powerful analytical tool for investigating biomolecular interactions. There are several methods to excite surface plasmon, such as coupling with prisms, fiber optics, grating, nanoparticles, etc. The challenge in developing this type of biosensor is to increase its sensitivity. In relation to this, graphene is one of the materials that is widely studied because of its unique properties. In several studies, this material has been proven theoretically and experimentally to increase the sensitivity of SPR. This paper discusses the current development of a graphene-based SPR biosensor for various excitation methods. The discussion begins with a discussion regarding the properties of graphene in general and its use in biosensors. Simulation and experimental results of several excitation methods are presented. Furthermore, the discussion regarding the SPR biosensor is expanded by providing a review regarding graphene-based Surface-Enhanced Raman Scattering (SERS) biosensor to provide an overview of the development of materials in the biosensor in the future.
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Affiliation(s)
- Devi Taufiq Nurrohman
- Laboratory of Nano-Photonics and Biosensors, Institute of Electro-Optical Engineering, National Taiwan Normal University, Taipei 11677, Taiwan;
- Department of Electronics Engineering, State Polytechnic of Cilacap, Cilacap 53211, Indonesia
| | - Nan-Fu Chiu
- Laboratory of Nano-Photonics and Biosensors, Institute of Electro-Optical Engineering, National Taiwan Normal University, Taipei 11677, Taiwan;
- Department of Life Science, National Taiwan Normal University, Taipei 11677, Taiwan
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61
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Mirbagheri M, Kaur J, Pham HV, Adibnia V, Zarrin H, Banquy X, Hwang DK. Plasmon-Free Polymeric Nanowrinkled Substrates for Surface-Enhanced Raman Spectroscopy of Two-Dimensional Materials. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:322-329. [PMID: 33347302 DOI: 10.1021/acs.langmuir.0c02912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We report plasmon-free polymeric nanowrinkled substrates for surface-enhanced Raman spectroscopy (SERS). Our simple, rapid, and cost-effective fabrication method involves depositing a poly(ethylene glycol)diacrylate (PEGDA) prepolymer solution droplet on a fully polymerized, flat PEGDA substrate, followed by drying the droplet at room conditions and plasma treatment, which polymerizes the deposited layer. The thin polymer layer buckles under axial stress during plasma treatment due to its different mechanical properties from the underlying soft substrate, creating hierarchical wrinkled patterns. We demonstrate the variation of the wrinkling wavelength with the drying polymer molecular weight and concentration (direct relations are observed). A transition between micron to nanosized wrinkles is observed at 5 v % concentration of the lower molecular-weight polymer solution (PEGDA Mn 250). The wrinkled substrates are observed to be reproducible, stable (at room conditions), and, especially, homogeneous at and below the transition regime, where nanowrinkles dominate, making them suitable candidates for SERS. As a proof-of-concept, the enhanced SERS performance of micro/nanowrinkled surfaces in detecting graphene and hexagonal boron nitride (h-BN) is illustrated. Compared to the SiO2/Si surfaces, the wrinkled PEGDA substrates significantly enhanced the signature Raman band intensities of graphene and h-BN by a factor of 8 and 50, respectively.
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Affiliation(s)
- Marziye Mirbagheri
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Jasneet Kaur
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
| | - Hoang Vu Pham
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
| | - Vahid Adibnia
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Hadis Zarrin
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
| | - Xavier Banquy
- Faculty of Pharmacy, Université de Montréal, C.P. 6128, Succursale Centre Ville, Montreal, Quebec H3C 3J7, Canada
| | - Dae Kun Hwang
- Department of Chemical Engineering, Faculty of Engineering & Architectural Science, Ryerson University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Center, Li Ki Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), St. Michael's Hospital, Toronto, Ontario M5B 1W8, Canada
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62
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Yue H, Ma G. Advances in Functionalized Carriers Based on Graphene's Unique Biological Interface Effect. ACTA CHIMICA SINICA 2021. [DOI: 10.6023/a21050238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Li X, Chen C, Yang Y, Lei Z, Xu H. 2D Re-Based Transition Metal Chalcogenides: Progress, Challenges, and Opportunities. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2002320. [PMID: 33304762 PMCID: PMC7709994 DOI: 10.1002/advs.202002320] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/22/2020] [Indexed: 05/16/2023]
Abstract
The rise of 2D transition-metal dichalcogenides (TMDs) materials has enormous implications for the scientific community and beyond. Among TMDs, ReX2 (X = S, Se) has attracted significant interest regarding its unusual 1T' structure and extraordinary properties in various fields during the past 7 years. For instance, ReX2 possesses large bandgaps (ReSe2: 1.3 eV, ReS2: 1.6 eV), distinctive interlayer decoupling, and strong anisotropic properties, which endow more degree of freedom for constructing novel optoelectronic, logic circuit, and sensor devices. Moreover, facile ion intercalation, abundant active sites, together with stable 1T' structure enable them great perspective to fabricate high-performance catalysts and advanced energy storage devices. In this review, the structural features, fundamental physicochemical properties, as well as all existing applications of Re-based TMDs materials are comprehensively introduced. Especially, the emerging synthesis strategies are critically analyzed and pay particular attention is paid to its growth mechanism with probing the assembly process of domain architectures. Finally, current challenges and future opportunities regarding the controlled preparation methods, property, and application exploration of Re-based TMDs are discussed.
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Affiliation(s)
- Xiaobo Li
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationShaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Chao Chen
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationShaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Yang Yang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationShaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Zhibin Lei
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationShaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Hua Xu
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationShaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
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64
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Huang CH, Huang TT, Chiang CH, Huang WT, Lin YT. A chemiresistive biosensor based on a layered graphene oxide/graphene composite for the sensitive and selective detection of circulating miRNA-21. Biosens Bioelectron 2020; 164:112320. [DOI: 10.1016/j.bios.2020.112320] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 05/14/2020] [Accepted: 05/20/2020] [Indexed: 12/14/2022]
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65
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2D materials: Excellent substrates for surface-enhanced Raman scattering (SERS) in chemical sensing and biosensing. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115983] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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66
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Nucleus-free two-dimensional electron gas structure enhanced Raman scattering. Sci Bull (Beijing) 2020; 65:1139-1140. [PMID: 36659139 DOI: 10.1016/j.scib.2020.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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67
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Brill AR, Kuntumalla MK, de Ruiter G, Koren E. Formation of Highly Ordered Self-Assembled Monolayers on Two-Dimensional Materials via Noncovalent Functionalization. ACS APPLIED MATERIALS & INTERFACES 2020; 12:33941-33949. [PMID: 32589020 DOI: 10.1021/acsami.0c09722] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Functionalized two-dimensional materials (2DMs) are attracting much attention due to their promising applications in nanoscale devices. Producing continuous and homogeneous surface assemblies with a high degree of order has been challenging. In this work, we demonstrate that by noncovalently self-assembling molecular platforms on 2DMs, high-quality and highly ordered monolayers can be generated. The high degree of order and uniformity of the self-assembled monolayer layers were confirmed by a variety of analytic techniques including time-of-flight secondary ion mass spectrometry, scanning tunnelling microscopy, X-ray photoelectron spectroscopy, and atomic force microscopy. Furthermore, by selectively enhancing the molecular vibrations of the molecular platform, via a combination of graphene-enhanced Raman spectroscopy (GERS) and surface-enhanced Raman spectroscopy (SERS), we were able to determine the orientation of self-assembled molecular platforms with respect to the surface normal. The selective enhancement of the vibrational modes occurs by taking advantage of the distance dependence of the Raman enhancement either by the graphene surface (GERS) or the silver nanoparticules (SERS) that are located on top of the self-assembled monolayer.
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Affiliation(s)
- Adam R Brill
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa 3200008, Israel
- Faculty of Materials Science and Engineering, Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Mohan Kumar Kuntumalla
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Graham de Ruiter
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa 3200008, Israel
| | - Elad Koren
- Faculty of Materials Science and Engineering, Israel Institute of Technology, Technion City, Haifa 3200008, Israel
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Cai Q, Gan W, Falin A, Watanabe K, Taniguchi T, Zhuang J, Hao W, Huang S, Tao T, Chen Y, Li LH. Two-Dimensional Van der Waals Heterostructures for Synergistically Improved Surface-Enhanced Raman Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2020; 12:21985-21991. [PMID: 32319287 DOI: 10.1021/acsami.0c01157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a precise and noninvasive analytical technique that is widely used in chemical analysis, environmental protection, food processing, pharmaceutics, and diagnostic biology. However, it is still a challenge to produce highly sensitive and reusable SERS substrates with a minimum fluorescence background. In this work, we propose the use of van der Waals heterostructures of two-dimensional materials to cover plasmonic metal nanoparticles to solve this challenge. The heterostructures of atomically thin boron nitride (BN) and graphene provide synergistic effects: (1) electrons could tunnel through the atomically thin BN, allowing the charge transfer between graphene and probe molecules to suppress the fluorescence background; (2) the SERS sensitivity is enhanced by graphene via a chemical enhancement mechanism in addition to an electromagnetic field mechanism; and (3) the atomically thin BN protects the underlying graphene and Ag nanoparticles from oxidation during heating for regeneration at 360 °C in the air so that the SERS substrates could be reused. These advances will facilitate wider applications of SERS especially on the detection of fluorescent molecules with higher sensitivity.
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Affiliation(s)
- Qiran Cai
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Wei Gan
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Alexey Falin
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
- Dongguan South China Design Innovation Institute, Dongguan 523808, China
| | - Kenji Watanabe
- National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Takashi Taniguchi
- National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Jincheng Zhuang
- BUAA-UOW Joint Research Centre and School of Physics, Beihang University, Beijing 100191, China
| | - Weichang Hao
- BUAA-UOW Joint Research Centre and School of Physics, Beihang University, Beijing 100191, China
| | - Shaoming Huang
- Guangzhou Key Laboratory of Low Dimensional Materials & Energy Storage Devices, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Tao Tao
- Dongguan South China Design Innovation Institute, Dongguan 523808, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ying Chen
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Lu Hua Li
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
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69
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Valeš V, Drogowska-Horná K, Guerra VLP, Kalbáč M. Graphene-enhanced Raman scattering on single layer and bilayers of pristine and hydrogenated graphene. Sci Rep 2020; 10:4516. [PMID: 32161329 PMCID: PMC7066185 DOI: 10.1038/s41598-020-60857-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 12/30/2019] [Indexed: 11/09/2022] Open
Abstract
Graphene-enhanced Raman scattering (GERS) on isotopically labelled bilayer and a single layer of pristine and partially hydrogenated graphene has been studied. The hydrogenated graphene sample showed a change in relative intensities of Raman bands of Rhodamine 6 G (R6G) with different vibrational energies deposited on a single layer and bilayer graphene. The change corresponds qualitatively to different doping of graphene in both areas. Pristine graphene sample exhibited no difference in doping nor relative intensities of R6G Raman peaks in the single layer and bilayer areas. Therefore, it was concluded that strain and strain inhomogeneities do not affect the GERS. Because of analyzing relative intensities of selected peaks of the R6G probe molecules, it is possible to obtain these results without determining the enhancement factor and without assuming homogeneous coverage of the molecules. Furthermore, we tested the approach on copper phtalocyanine molecules.
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Affiliation(s)
- Václav Valeš
- J. Heyrovský Institute of Physical Chemistry, ASCR, v.v.i., Dolejškova 3, 182 23, Praha, Czechia
| | - Karolina Drogowska-Horná
- J. Heyrovský Institute of Physical Chemistry, ASCR, v.v.i., Dolejškova 3, 182 23, Praha, Czechia
| | - Valentino L P Guerra
- J. Heyrovský Institute of Physical Chemistry, ASCR, v.v.i., Dolejškova 3, 182 23, Praha, Czechia
| | - Martin Kalbáč
- J. Heyrovský Institute of Physical Chemistry, ASCR, v.v.i., Dolejškova 3, 182 23, Praha, Czechia.
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70
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Tatarkin DE, Yakubovsky DI, Ermolaev GA, Stebunov YV, Voronov AA, Arsenin AV, Volkov VS, Novikov SM. Surface-Enhanced Raman Spectroscopy on Hybrid Graphene/Gold Substrates near the Percolation Threshold. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E164. [PMID: 31963496 PMCID: PMC7022774 DOI: 10.3390/nano10010164] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/14/2020] [Accepted: 01/14/2020] [Indexed: 11/21/2022]
Abstract
Graphene is a promising platform for surface-enhanced Raman spectroscopy (SERS)-active substrates, primarily due to the possibility of quenching photoluminescence and fluorescence. Here we study ultrathin gold films near the percolation threshold fabricated by electron-beam deposition on monolayer CVD graphene. The advantages of such hybrid graphene/gold substrates for surface-enhanced Raman spectroscopy are discussed in comparison with conventional substrates without the graphene layer. The percolation threshold is determined by independent measurements of the sheet resistance and effective dielectric constant by spectroscopic ellipsometry. The surface morphology of the ultrathin gold films is analyzed by the use of scanning electron microscopy (SEM) and atomic force microscopy (AFM), and the thicknesses of the films in addition to the quartz-crystal mass-thickness sensor are also measured by AFM. We experimentally demonstrate that the maximum SERS signal is observed near and slightly below the percolation threshold. In this case, the region of maximum enhancement of the SERS signal can be determined using the figure of merit (FOM), which is the ratio of the real and imaginary parts of the effective dielectric permittivity of the films. SERS measurements on hybrid graphene/gold substrates with the dye Crystal Violet show an enhancement factor of ~105 and also demonstrate the ability of graphene to quench photoluminescence by an average of ~60%.
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Affiliation(s)
- Dmitry E. Tatarkin
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Dmitry I. Yakubovsky
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Georgy A. Ermolaev
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
- Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Yury V. Stebunov
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Artem A. Voronov
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Aleksey V. Arsenin
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Valentyn S. Volkov
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
| | - Sergey M. Novikov
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), 141700 Dolgoprudny, Russia; (D.I.Y.); or (Y.V.S.); (A.A.V.); (A.V.A.); (V.S.V.)
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71
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Chong H, Gao G, Li G. Recyclable substrates based on graphene oxide/gold nanorod composites for efficient surface enhanced Raman scattering. NEW J CHEM 2020. [DOI: 10.1039/c9nj04610k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we fabricated a recyclable surface enhanced Raman scattering substrate based on graphene oxide/gold nanorod composites.
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Affiliation(s)
- Hanbao Chong
- Institute of Physical Science and Information Technology
- Anhui University
- Hefei
- China
- School of Physics and Material Science
| | - Guiqi Gao
- Institute of Physical Science and Information Technology
- Anhui University
- Hefei
- China
| | - Guang Li
- School of Physics and Material Science
- Anhui University
- Hefei
- China
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72
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Ranc V, Chaloupková Z. Perspectives of DCDR-GERS in the analysis of amino acids. Analyst 2020; 145:7701-7708. [DOI: 10.1039/d0an01564d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Graphene-enhanced Raman scattering (GERS) has attracted increasing attention from many scientists in recent years as a novel and potentially strong analytical technique since its discovery in 2010.
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Affiliation(s)
- Václav Ranc
- Regional Centre of Advanced Technologies and Materials
- Palacky University Olomouc
- 771 46 Olomouc
- Czech Republic
| | - Zuzana Chaloupková
- Regional Centre of Advanced Technologies and Materials
- Palacky University Olomouc
- 771 46 Olomouc
- Czech Republic
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73
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In situ synthesis of graphene oxide/gold nanocomposites as ultrasensitive surface-enhanced Raman scattering substrates for clenbuterol detection. Anal Bioanal Chem 2019; 412:193-201. [PMID: 31760449 DOI: 10.1007/s00216-019-02230-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/12/2019] [Accepted: 10/21/2019] [Indexed: 01/08/2023]
Abstract
A highly sensitive approach to detect trace amount of clenbuterol (CB) based on graphene oxide/gold nanoparticles (GO/Au NPs) by surface-enhanced Raman spectroscopy (SERS) was presented. To be specific, the GO/Au nanocomposites were formed by depositing Au NPs onto the surface of GO through an in situ reduction process, where a high density of inherent hot spots was created between Au NPs. By optimizing the depositing density of Au NPs, the strongest electromagnetic coupling effect originating from highly dense hot spots was obtained. The optimized GO/Au was demonstrated to enhance the Raman signals of CB by 4.8 times more than that of CB enhanced by Au NPs. Moreover, GO/Au nanocomposites exhibit good biocompatibility and accessible surface for high adsorption of target molecules through the pi-pi stacking with graphene oxide. Hence, the proposed GO/Au nanocomposites were utilized to capture aromatic molecules like CB and served as excellent sensitive SERS-active substrates for sensing of it, which exhibited an excellent linear performance in the range of 5 × 10-8 to 1 × 10-6 mol/L with a limit of detection (LOD) of 3.34 × 10-8 mol/L (S/N = 3). Due to high-density hot spots with easy operation, this proposed GO/Au nanocomposite-based SERS technique holds great potential in the application of food safety analysis and biomedical science.
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74
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Yang L, Lee JH, Rathnam C, Hou Y, Choi JW, Lee KB. Dual-Enhanced Raman Scattering-Based Characterization of Stem Cell Differentiation Using Graphene-Plasmonic Hybrid Nanoarray. NANO LETTERS 2019; 19:8138-8148. [PMID: 31663759 DOI: 10.1021/acs.nanolett.9b03402] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Surface-enhanced Raman scattering (SERS) has demonstrated great potential to analyze a variety of bio/chemical molecular interactions within cells in a highly sensitive and selective manner. Despite significant advancements, it remains a critical challenge to ensure high sensitivity and selectivity, while achieving uniform signal enhancement and high reproducibility for quantitative detection of targeted biomarkers within a complex stem cell microenvironment. Herein, we demonstrate an innovative sensing platform, using graphene-coated homogeneous plasmonic metal (Au) nanoarrays, which synergize both electromagnetic mechanism (EM)- and chemical mechanism (CM)-based enhancement. Through the homogeneous plasmonic nanostructures, generated by laser interference lithography (LIL), highly reproducible enhancement of Raman signals could be obtained via a strong and uniform EM. Additionally, the graphene-functionalized surface simultaneously amplifies the Raman signals by an optimized CM, which aligns the energy level of the graphene oxide with the target molecule by tuning its oxidation levels, consequently increasing the sensitivity and accuracy of our sensing system. Using the dual-enhanced Raman scattering from both EM from the homogeneous plasmonic Au nanoarray and CM from the graphene surface, our graphene-Au hybrid nanoarray was successfully utilized to detect as well as quantify a specific biomarker (TuJ1) gene expression levels to characterize neuronal differentiation of human neural stem cells (hNSCs). Collectively, we believe our unique graphene-plasmonic hybrid nanoarray can be extended to a wide range of applications in the development of simple, rapid, and accurate sensing platforms for screening various bio/chemical molecules.
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Affiliation(s)
- Letao Yang
- Department of Chemistry and Chemical Biology , Rutgers University , Piscataway , New Jersey 08854 , United States
| | - Jin-Ho Lee
- Department of Chemistry and Chemical Biology , Rutgers University , Piscataway , New Jersey 08854 , United States
- Department of Chemical and Biomolecular Engineering , Sogang University , Seoul , 121-742 , Korea
| | - Christopher Rathnam
- Department of Chemistry and Chemical Biology , Rutgers University , Piscataway , New Jersey 08854 , United States
| | - Yannan Hou
- Department of Chemistry and Chemical Biology , Rutgers University , Piscataway , New Jersey 08854 , United States
| | - Jeong-Woo Choi
- Department of Chemical and Biomolecular Engineering , Sogang University , Seoul , 121-742 , Korea
| | - Ki-Bum Lee
- Department of Chemistry and Chemical Biology , Rutgers University , Piscataway , New Jersey 08854 , United States
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75
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Neri G, Fazio E, Mineo PG, Scala A, Piperno A. SERS Sensing Properties of New Graphene/Gold Nanocomposite. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1236. [PMID: 31480339 PMCID: PMC6780540 DOI: 10.3390/nano9091236] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 11/17/2022]
Abstract
The development of graphene (G) substrates without damage on the sp2 network allows to tune the interactions with plasmonic noble metal surfaces to finally enhance surface enhanced Raman spectroscopy (SERS) effect. Here, we describe a new graphene/gold nanocomposite obtained by loading gold nanoparticles (Au NPs), produced by pulsed laser ablation in liquids (PLAL), on a new nitrogen-doped graphene platform (G-NH2). The graphene platform was synthesized by direct delamination and chemical functionalization of graphite flakes with 4-methyl-2-p-nitrophenyl oxazolone, followed by reduction of p-nitrophenyl groups. Finally, the G-NH2/Au SERS platform was prepared by using the conventional aerography spraying technique. SERS properties of G-NH2/Au were tested using Rhodamine 6G (Rh6G) and Dopamine (DA) as molecular probes. Raman features of Rh6G and DA are still detectable for concentration values down to 1 × 10-5 M and 1 × 10-6 M respectively.
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Affiliation(s)
- Giulia Neri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Enza Fazio
- Department of Mathematical and Computational Sciences, Physics and Earth Physics, University of Messina, Viale F. Stagno D'Alcontres 31, I-98166 Messina, Italy.
| | - Placido Giuseppe Mineo
- Department of Chemical, Sciences, University of Catania, V.le A. Doria 6, 95125 Catania, Italy
- Institute for Chemical and Physical Processes-National Research Council (IPCF-CNR), Viale F. Stagno d'Alcontres 37, I-98158 Messina, Italy
| | - Angela Scala
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Anna Piperno
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D'Alcontres 31, I-98166 Messina, Italy.
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76
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Tian Z, Bai H, Chen C, Ye Y, Kong Q, Li Y, Fan W, Yi W, Xi G. Quasi-Metal for Highly Sensitive and Stable Surface-Enhanced Raman Scattering. iScience 2019; 19:836-849. [PMID: 31505331 PMCID: PMC6734178 DOI: 10.1016/j.isci.2019.08.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/17/2019] [Accepted: 08/21/2019] [Indexed: 11/28/2022] Open
Abstract
Compared with the noble-metal surface-enhanced Raman scattering (SERS) substrates activated by the surface plasmon resonance (SPR)-induced electromagnetic mechanism (EM), the relative low sensitivity and stability of the chemical mechanism (CM)-based substrates are the biggest obstacles to their applications. Herein, we report that quasi-metallic VO2 nanosheet arrays can be used as a sensitive and stable SERS substrate. The lowest detectable limit of analyte adsorbed on the VO2 nanosheets achieves 10−10 M and the maximum Raman enhancement factor (EF) reaches 6.7 × 107, which is comparable with that of the noble metals. The experimental and theoretical results demonstrate that the SERS performance of the VO2 nanosheets comes from the strong interfacial interactions based on charge transfer and the vigorous SPR effects. Our research results demonstrate that quasi-metals are very promising SERS detection platforms and reveal that CM, like EM, contributes significantly to the SERS activity of quasi-metals. Surface-enhanced Raman scattering (SERS) on quasi-metallic VO2 High SERS enhancement factor and low limit of detection have been achieved Synergistic effect of electromagnetic enhancement and chemical enhancement
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Affiliation(s)
- Zheng Tian
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, P. R. China; School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Hua Bai
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, P. R. China
| | - Chao Chen
- School of Materials Science & Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Yuting Ye
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, P. R. China
| | - Qinghong Kong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yahui Li
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, P. R. China
| | - Wenhao Fan
- Physical Property Measurement Department, Beijing Center for Physical & Chemical Analysis, Beijing 100089, P. R. China
| | - Wencai Yi
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, P. R. China
| | - Guangcheng Xi
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, P. R. China.
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77
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Ishikawa YU, Watanabe YU, Sano M. Contrast Mechanisms of Solution-Dispersed Graphene Compounds in Twilight Fluorescence Microscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:10334-10340. [PMID: 31294570 DOI: 10.1021/acs.langmuir.9b01349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Twilight fluorescence microscopy is a newly developed technique that is capable of imaging a single-layer graphene compound dispersed in a liquid. A graphene solution mixed with a highly concentrated dye is placed on a glass plate and is irradiated by the excitation beam with an incident angle that has a finite width around the total internal reflection angle. Both the evanescence field and the faint refracted beam decay exponentially as they travel from the glass surface. The dye fluorescence excited by both beams is used as illumination. A simplified theory for dark contrast of graphene compounds is developed based on absorption and Förster resonance energy transfer (FRET), assuming that (1) FRET has a sharp cutoff distance, (2) FRET is independent of the number of layers, and (3) Dexter electron transfer is negligible. The contrast of a reduced graphene oxide multilayer, whose layer heights have been determined by atomic force microscopy, shows good agreement with the simplified theory under various dye concentrations. The FRET cutoff distance is found to be much shorter than one expected for graphene and similar to the distance between two small molecules. This short cutoff distance is the main reason for the assumption to be valid.
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Affiliation(s)
- Yu-Uki Ishikawa
- Department of Organic Materials Science , Yamagata University , 4-3-16 Jyonan , Yonezawa , Yamagata 992-8510 , Japan
| | - Yu-Uto Watanabe
- Department of Organic Materials Science , Yamagata University , 4-3-16 Jyonan , Yonezawa , Yamagata 992-8510 , Japan
| | - Masahito Sano
- Department of Organic Materials Science , Yamagata University , 4-3-16 Jyonan , Yonezawa , Yamagata 992-8510 , Japan
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78
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Miao X, Wen S, Su Y, Fu J, Luo X, Wu P, Cai C, Jelinek R, Jiang LP, Zhu JJ. Graphene Quantum Dots Wrapped Gold Nanoparticles with Integrated Enhancement Mechanisms as Sensitive and Homogeneous Substrates for Surface-Enhanced Raman Spectroscopy. Anal Chem 2019; 91:7295-7303. [PMID: 31062958 DOI: 10.1021/acs.analchem.9b01001] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Rational engineering of highly stable and Raman-active nanostructured substrates is still urgently in demand for achieving sensitive and reliable surface-enhanced Raman spectroscopy (SERS) analysis in solution phase. Herein, monodisperse N-doping graphene quantum dots wrapped Au nanoparticles (Au-NGQD NPs) were facilely prepared, and further their applications as substrates in SERS-based detection and cellular imaging have been explored. The as-prepared Au-NGQD NPs exhibit superior long-term stability and biocompatibility, as well as large enhancement capability due to the integration of electromagnetic and chemical enhancements. The practical applicability of the Au-NGQD NPs was verified via the direct SERS tests of several kinds of aromatics in solution phase. Finite-difference time-domain simulations in combination with density functional theory calculation were also successfully used to explain the enhancement mechanism. Furthermore, the Au-NGQD NPs were conjugated with 4-nitrobenzenethiol (4-NBT, as reporter) and 4-mercaptophenylboronic acid (MPBA, as targeting element) to construct the MPBA/4-NBT@Au-NGQD probes, which could specifically recognize glycan-overexpressed cancer cells through SERS imaging on a cell surface. The prepared Au-NGQDs show great potential as superior SERS substrates in solution phase for on-site Raman detection.
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Affiliation(s)
- Xuran Miao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Shengping Wen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Yu Su
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Jiaju Fu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Xiaojun Luo
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science , Nanjing Normal University , Nanjing 210097 , China
| | - Ping Wu
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science , Nanjing Normal University , Nanjing 210097 , China
| | - Chenxin Cai
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science , Nanjing Normal University , Nanjing 210097 , China
| | - Raz Jelinek
- Department of Chemistry , Ben Gurion University of the Negev , Beer Sheva 84105 , Israel
| | - Li-Ping Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
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79
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Hu SK, Lo FY, Hsieh CC, Chao L. Sensing Ability and Formation Criterion of Fluid Supported Lipid Bilayer Coated Graphene Field-Effect Transistors. ACS Sens 2019; 4:892-899. [PMID: 30817891 DOI: 10.1021/acssensors.8b01623] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Supported lipid bilayers (SLBs) have been widely used to provide native environments for membrane protein studies. In this study, we utilized graphene field-effect transistors (GFETs) coated with a fluid SLB to perform label-free detection of membrane-associated ligand-receptor interactions in their native lipid bilayer environment. It is known that the analyte-binding event needs to occur within the Debye length for it to be significantly sensed by an FET sensor. However, the thickness of a lipid bilayer is around 4-5-nm-thick, which is larger than the Debye length of a solution with physiologically relevant ionic strength. There is thus a question of whether an FET sensor can detect the binding event above the bilayer. In this study, we show how the existence of an SLB can influence the effective detection distance and the formation criterion of a fluid and continuous SLB on a graphene surface. We discovered that the water intercalation between the graphene and the underlying silica substrate hinders the SLB formation but is required for the stable electrical recording by a GFET. To verify the existence of a fluid SLB on graphene, which was previously complicated by the graphene fluorescence quenching effect, we developed a modified fluorescence recovery after photobleaching method. In addition, our results showed that SLB coated GFETs can quantitatively detect ligand binding onto the receptors embedded in the SLBs. The comparison of our experimental data with a theoretical model shows that the contribution of the SLB acyl chain hydrophobic region to the screening effect can be negligible and, therefore, that the effective detection region can extend beyond the SLB.
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Affiliation(s)
- Shu-Kai Hu
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
| | - Fang-Yen Lo
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
| | - Chih-Chen Hsieh
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
| | - Ling Chao
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
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Potential Application of h-BNC Structures in SERS and SEHRS Spectroscopies: A Theoretical Perspective. SENSORS 2019; 19:s19081896. [PMID: 31010075 PMCID: PMC6514874 DOI: 10.3390/s19081896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/05/2019] [Accepted: 04/18/2019] [Indexed: 11/17/2022]
Abstract
In this work, the electronic and optical properties of hybrid boron-nitrogen-carbon structures (h-BNCs) with embedded graphene nanodisks are investigated. Their molecular affinity is explored using pyridine as model system and comparing the results with the corresponding isolated graphene nanodisks. Time-dependent density functional theory (TDDFT) analysis of the electronic excited states was performed in the complexes in order to characterize possible surface and charge transfer resonances in the UV region. Static and dynamic (hyper)polarizabilities were calculated with coupled-perturbed Kohn-Sham theory (CPKS) and the linear and nonlinear optical responses of the complexes were analyzed in detail using laser excitation wavelengths available for (Hyper)Raman experiments and near-to-resonance excitation wavelengths. Enhancement factors around 103 and 108 were found for the polarizability and first order hyperpolarizability, respectively. The quantum chemical simulations performed in this work point out that nanographenes embedded within hybrid h-BNC structures may serve as good platforms for enhancing the (Hyper)Raman activity of organic molecules immobilized on their surfaces and for being employed as substrates in surface enhanced (Hyper)Raman scattering (SERS and SEHRS). Besides the better selectivity and improved signal-to-noise ratio of pristine graphene with respect to metallic surfaces, the confinement of the optical response in these hybrid h-BNC systems leads to strong localized surface resonances in the UV region. Matching these resonances with laser excitation wavelengths would solve the problem of the small enhancement factors reported in Raman experiments using pristine graphene. This may be achieved by tuning the size/shape of the embedded nanographene structure.
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81
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Farzin L, Shamsipur M, Sheibani S, Samandari L, Hatami Z. A review on nanomaterial-based electrochemical, optical, photoacoustic and magnetoelastic methods for determination of uranyl cation. Mikrochim Acta 2019; 186:289. [PMID: 30997559 DOI: 10.1007/s00604-019-3426-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 04/08/2019] [Indexed: 02/07/2023]
Abstract
This review (with 177 refs) gives an overview on nanomaterial-based methods for the determination of uranyl ion (UO22+) by different types of transducers. Following an introduction into the field, a first large section covers the fundamentals of selective recognition of uranyl ion by receptors such as antibodies, aptamers, DNAzymes, peptides, microorganisms, organic ionophores (such as salophens, catechols, phenanthrolines, annulenes, benzo-substituted macrocyclic diamides, organophosphorus receptors, calixarenes, crown ethers, cryptands and β-diketones), by ion imprinted polymers, and by functionalized nanomaterials. A second large section covers the various kinds of nanomaterials (NMs) used, specifically on NMs for electrochemical signal amplification, on NMs acting as signal tags or carriers for signal tags, on fluorescent NMs, on NMs for colorimetric assays, on light scattering NMs, on NMs for surface enhanced Raman scattering (SERS)-based assays and wireless magnetoelastic detection systems. We then discuss detection strategies, with subsections on electrochemical methods (including ion-selective and potentiometric systems, voltammetric systems and impedimetric systems). Further sections treat colorimetric, fluorometric, resonance light scattering-based, SERS-based and photoacoustic methods, and wireless magnetoelastic detection. The current state of the art is summarized, and current challenges are discussed at the end. Graphical abstract An overview is given on nanomaterial-based methods for the detection of uranyl ion by different types of transducers (such as electrochemical, optical, photoacoustic, magnetoelastic, etc) along with a critical discussion of their limitations, benefits and application to real samples.
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Affiliation(s)
- Leila Farzin
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran.
| | - Mojtaba Shamsipur
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran.
| | - Shahab Sheibani
- Radiation Application Research School, Nuclear Science and Technology Research Institute, P.O. Box 11365-3486, Tehran, Iran
| | - Leila Samandari
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran
| | - Zahra Hatami
- Department of Chemistry, Razi University, P. O. Box, Kermanshah, 67149-67346, Iran
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82
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Chen W, Gui X, Yang L, Zhu H, Tang Z. Wrinkling of two-dimensional materials: methods, properties and applications. NANOSCALE HORIZONS 2019; 4:291-320. [PMID: 32254086 DOI: 10.1039/c8nh00112j] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Recently, two-dimensional (2D) materials, including graphene, its derivatives, metal films, MXenes and transition metal dichalcogenides (TMDs), have been widely studied because of their tunable electronic structures and special electrical and optical properties. However, during the fabrication of these 2D materials with atomic thickness, formation of wrinkles or folds is unavoidable to enable their stable existence. Meaningfully, it is found that wrinkled structures simultaneously impose positive changes on the 2D materials. Specifically, the architecture of wrinkled structures in 2D materials additionally induces excellent properties, which are of great importance for their practical applications. In this review, we provide an overview of categories of 2D materials, which contains formation and fabrication methods of wrinkled patterns and relevant mechanisms, as well as the induced mechanical, electrical, thermal and optical properties. Furthermore, these properties are modifiable by controlling the surface topography or even by dynamically stretching the 2D materials. Wrinkling offers a platform for 2D materials to be applied in some promising fields such as field emitters, energy containers and suppliers, field effect transistors, hydrophobic surfaces, sensors for flexible electronics and artificial intelligence. Finally, the opportunities and challenges of wrinkled 2D materials in the near future are discussed.
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Affiliation(s)
- Wenjun Chen
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, 510275, P. R. China.
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83
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Rapid and sensitive detection of acrylamide in fried food using dispersive solid-phase extraction combined with surface-enhanced Raman spectroscopy. Food Chem 2019; 276:157-163. [DOI: 10.1016/j.foodchem.2018.10.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/10/2018] [Accepted: 10/01/2018] [Indexed: 12/20/2022]
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84
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Yue XF, Liang Y, Jiang J, Liu RG, Ren ST, Gao RX, Zhong B, Wen GW, Wang YY, Zou MQ. Raman intensity enhancement of molecules adsorbed onto HfS 2 flakes up to 200 layers. NANOSCALE 2019; 11:2179-2185. [PMID: 30346003 DOI: 10.1039/c8nr07185c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Newly emerging two-dimensional transition metal dichalcogenide HfS2 has received considerable attention recently due to its ultrahigh photoresponsivity, well-balanced carrier mobility and an appropriate band gap which offer potential in electronic and optoelectronic devices. In this work, HfS2 flakes up to 200 layers with varying color contrasts are fabricated and transferred on a SiO2/Si substrate. The Raman intensities of HfS2 flakes and Raman intensities of molecules adsorbed on HfS2 flakes are quantitatively studied both theoretically and experimentally by considering an optical interference effect. The effects of the main experimental factors: thickness of SiO2 and excitation wavelength on Raman intensities are also theoretically investigated. Due to the low absorption of HfS2, many strong high-order interference-induced enhancement peaks are observed which are different from high absorption materials like graphene and MoS2, in which only 2-4 interference-induced enhancement peaks exist. Due to the environmental instability of single layer HfS2 under ambient conditions, multi-layer HfS2 is a better choice than single layer HfS2 as a Raman scattering substrate which has a stronger Raman enhancement and a better environmental stability. The discovery here will expand the application of HfS2 flakes in molecular detection.
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Affiliation(s)
- Xiao Fei Yue
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, China.
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85
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Wen LX, Lv JJ, Chen L, Li SB, Mou XJ, Xu Y. A fluorescent probe composed of quantum dot labeled aptamer and graphene oxide for the determination of the lipopolysaccharide endotoxin. Mikrochim Acta 2019; 186:122. [PMID: 30666423 DOI: 10.1007/s00604-018-3218-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 12/28/2018] [Indexed: 01/28/2023]
Abstract
Endotoxins are complex lipopolysaccharides (LPS) and key components of the outer cell membrane of Gram-negative bacteria. The authors report on a fluorescent aptamer-based probe for the determination of LPS of Gram-negative bacteria. An aptamer against LPS was fluorescently labeled with CdSe/ZnS quantum dots. Its emission is quenched on addition of graphene oxide (GO). On addition of LPS, the aptamer binds LPS and GO is released. This results in the recovery of fluorescence, typically measured at excitation/emission wavelengths of 495/543 nm. The probe responds to LPS in the 10-500 ng·mL-1 concentration range, and the detection limit is 8.7 ng·mL-1. It can be used for selective detection of LPS from different Gram-negative bacteria, in the presence of biological interferents. Graphical abstract Schematic presentation of a green fluorescent probe comprised of an aptamer labelled with CdSe/ZnS quantum dots and of graphene oxide. Lipopolysaccharides bind to the aptamer and release graphene oxide to result in fluorescence recovery, which is measured at an emission wavelength 543 nm.
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Affiliation(s)
- Lu-Xin Wen
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400030, China
- National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing, 400030, China
| | - Jun-Jiang Lv
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China.
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400030, China.
- Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing, 400030, People's Republic of China.
| | - Li Chen
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China
- National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing, 400030, China
| | - Shun-Bo Li
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China
- National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing, 400030, China
| | - Xiao-Jing Mou
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China
- National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing, 400030, China
| | - Yi Xu
- Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400030, China.
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400030, China.
- National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing, 400030, China.
- Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing, 400030, People's Republic of China.
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86
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Zhang Y, Zhou H, Shen Q, Shao Z, Xu L, Luo Z. Silver Nanostructures on Graphene Oxide as the Substrate for Surface-Enhanced Raman Scattering (SERS). ANAL LETT 2019. [DOI: 10.1080/00032719.2018.1548554] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Ying Zhang
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and optical Engineering & College of Microelectronic Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, China
| | - Hao Zhou
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and optical Engineering & College of Microelectronic Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, China
| | - Qi Shen
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and optical Engineering & College of Microelectronic Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, China
| | - Zhouwei Shao
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and optical Engineering & College of Microelectronic Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, China
| | - Lin Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
| | - Zhimin Luo
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province, College of Electronic and optical Engineering & College of Microelectronic Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM) Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, China
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87
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Qiu H, Guo J, Wang M, Ji S, Cao M, Padhiar MA, Bhatti AS. Reduced graphene oxide supporting Ag meso-flowers and phenyl-modified graphitic carbon nitride as self-cleaning flexible SERS membrane for molecular trace-detection. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.09.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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88
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Hlongwane GN, Dodoo-Arhin D, Wamwangi D, Daramola MO, Moothi K, Iyuke SE. DNA hybridisation sensors for product authentication and tracing: State of the art and challenges. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2019. [DOI: 10.1016/j.sajce.2018.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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89
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Wu HC, Chen TC, Tsai HJ, Chen CS. Au Nanoparticles Deposited on Magnetic Carbon Nanofibers as the Ultrahigh Sensitive Substrate for Surface-Enhanced Raman Scattering: Detections of Rhodamine 6G and Aromatic Amino Acids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:14158-14168. [PMID: 30380878 DOI: 10.1021/acs.langmuir.8b02488] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is a unique spectroscopy that can offer high-sensitive detection for many molecules. Herein, the Au particles deposited on carbon nanofiber-encapsulated magnetic Ni nanoparticles (NPs) (Ni@CNFs@Au) have been successfully synthesized for SERS measurements. The Ni@CNFs@Au substrates have the advantages of a high SERS sensitivity and good magnetic response. The Ni@CNFs could be directly obtained from CO2 hydrogenation on a Ni catalyst, which has been characterized as having rich carboxylic acid groups, graphitic structures, and a high surface area. The Ni@CNFs surface could effectively increase the density of hotspots during Au NP aggregation and influence the morphology of the Au nanostructures. The spherical shape, oval shape, and coral-like Au nanostructures were prepared on Ni@CNFs with various Au concentrations. Brunauer-Emmett-Teller, zeta potential, high-resolution transmission electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy measurements were used to characterize the Ni@CNFs@Au samples. The Au NPs deposited on the Ni@CNFs presented a suitable oval shape, and an average size of ∼30-40 nm. The size allowed surprisingly ultrasensitive SERS detection of rhodamine 6G (R6G) with a resolution of approximately a single molecule under an excitation wavelength of 532 nm. Using 785 nm excitation, a low R6G concentration of ∼1 × 10-14 M was detected. Moreover, the Ni@CNFs@Au substrates could be rapidly magnetically separated after adsorption. Phenylalanine and tyrosine amino acids, which are associated with the liver disease, were examined using SERS with the Ni@CNFs@Au substrate. Ultralow concentrations of ∼1 × 10-11 M for phenylalanine and ∼1 × 10-13 M for tyrosine were clearly measured. The Ni@CNFs@Au substrates exhibited applicability as excellent SERS detection platforms that combine high-sensitivity and rapid magnetic separation for various adsorption molecules.
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Affiliation(s)
- Hung-Chi Wu
- Center for General Education , Chang Gung University , 259, Wen-Hua 1st Rd. , Guishan Dist., Taoyuan City 33302 , Taiwan , Republic of China
| | - Tse-Ching Chen
- Department of Pathology , Chang Gung Memorial Hospital Linkou , 5, Fusing Street , Guishan Dist., Taoyuan City 33302 , Taiwan , Republic of China
| | - Hsing-Jui Tsai
- Center for General Education , Chang Gung University , 259, Wen-Hua 1st Rd. , Guishan Dist., Taoyuan City 33302 , Taiwan , Republic of China
| | - Ching-Shiun Chen
- Center for General Education , Chang Gung University , 259, Wen-Hua 1st Rd. , Guishan Dist., Taoyuan City 33302 , Taiwan , Republic of China
- Department of Pathology , Chang Gung Memorial Hospital Linkou , 5, Fusing Street , Guishan Dist., Taoyuan City 33302 , Taiwan , Republic of China
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90
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Abstract
Graphene oxide (GO) was synthesized by a modified Hummer’s method and was then reduced by the hydrothermal process. Both GO and reduced GO (rGO) were employed as surface-enhanced Raman scattering (SERS) substrates to detect rhodamine 6G (R6G). After adsorbed on the surface of GO, the fluorescence background of R6G was highly quenched, and its Raman scatterings were enhanced. When adsorbed on the surface of rGO, the fluorescence background was further quenched at the price of lower SERS intensity. The results displayed that oxygen groups on the surface of GO had positive effect on the SERS effect of GO. The amount of oxygen groups on the surface of GO should be one key parameter to adjust the SERS activity of GO.
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91
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Shin D, Choi YS, Hong BH. Graphene-Enhanced Raman Spectroscopy Reveals the Controlled Photoreduction of Nitroaromatic Compound on Oxidized Graphene Surface. ACS OMEGA 2018; 3:11084-11087. [PMID: 31459216 PMCID: PMC6645006 DOI: 10.1021/acsomega.8b01285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/04/2018] [Indexed: 06/10/2023]
Abstract
Although graphene-enhanced Raman spectroscopy has been investigated for several years, there have been no studies that have applied it to real-time observations of chemical catalytic reactions. Here, we report that UV/ozone-treated oxidized graphene was used to both control and monitor the photoreduction of an adsorbed nitroaromatic dye compound. Graphene-enhanced Raman spectroscopy studies show that more oxidized graphene surface leads to faster photoreduction. This is due to the lowering of the Fermi level in the oxidized graphene, which is in agreement with the highest occupied molecular orbital level of the adsorbed dye molecule, leading to a rapid electron transfer from graphene to the dye. Our findings will be useful in understanding and exploiting the photocatalytic properties of oxidized graphene on adsorbed molecular species.
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92
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Jiang Y, Carboni D, Malfatti L, Innocenzi P. Graphene Oxide-Silver Nanoparticles in Molecularly-Imprinted Hybrid Films Enabling SERS Selective Sensing. MATERIALS 2018; 11:ma11091674. [PMID: 30201868 PMCID: PMC6163847 DOI: 10.3390/ma11091674] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/23/2018] [Accepted: 09/03/2018] [Indexed: 11/16/2022]
Abstract
A highly sensitive and selective Raman sensor has been developed by combining molecularly imprinted cavities, silver nanoparticles, and graphene oxide into a hybrid organic-inorganic film. The molecular imprinted nanocomposite material is an advanced platform that exhibits Graphene-mediated Surface-Enhanced Raman Scattering. The sensing layers have been prepared via sol-gel process and imprinted with rhodamine 6G to obtain selective dye recognition. Graphene oxide sheets decorated with silver nanoparticles have been incorporated into the matrix to enhance the Raman scattering signal. The template molecule can be easily removed from the films by ultrasonication in ethanol. A 712-fold Raman enhancement has been observed, which corresponds to a 2.15 × 1013 count·μmol−1 signal enhancement per molecular cavity. Besides Raman enhancement, the sensing platform has shown an excellent selectivity toward the test molecule with respect to similar dyes. In addition, the material can be reused at least 10 times without any loss of performance.
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Affiliation(s)
- Yu Jiang
- Laboratorio di Scienza dei Materiali e Nanotecnologie (LMNT), Dipartimento di Chimica e Farmacia, Università di Sassari, CR-INSTM, Via Vienna 2, 07041 Sassari, Italy.
| | - Davide Carboni
- Laboratorio di Scienza dei Materiali e Nanotecnologie (LMNT), Dipartimento di Chimica e Farmacia, Università di Sassari, CR-INSTM, Via Vienna 2, 07041 Sassari, Italy.
| | - Luca Malfatti
- Laboratorio di Scienza dei Materiali e Nanotecnologie (LMNT), Dipartimento di Chimica e Farmacia, Università di Sassari, CR-INSTM, Via Vienna 2, 07041 Sassari, Italy.
| | - Plinio Innocenzi
- Laboratorio di Scienza dei Materiali e Nanotecnologie (LMNT), Dipartimento di Chimica e Farmacia, Università di Sassari, CR-INSTM, Via Vienna 2, 07041 Sassari, Italy.
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93
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Wu H, Zhou X, Li J, Li X, Li B, Fei W, Zhou J, Yin J, Guo W. Ultrathin Molybdenum Dioxide Nanosheets as Uniform and Reusable Surface-Enhanced Raman Spectroscopy Substrates with High Sensitivity. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802276. [PMID: 30117267 DOI: 10.1002/smll.201802276] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/19/2018] [Indexed: 06/08/2023]
Abstract
Metal oxides have advantages over the traditional noble metals to be used as substrate materials for surface-enhanced Raman spectroscopy (SERS) with low cost, versatility, and biocompatibility, but their enhancement factors are generally quite low with a poor limit of detection. Here, ultrathin molybdenum dioxide (MoO2 ) nanosheets synthesized by chemical vapor deposition demonstrated in large area are used as SERS substrates with superior signal uniformity in the whole area with a limit of detectable concentration down to 4 × 10-8 m and enhancement factor up to 2.1 × 105 , exceeding that of 2D materials and comparable to that of noble metal films. More practically important, the planar MoO2 substrate is more robust than noble metals and shows excellent reusability and uniformity, which is usually prohibited for nanostructured or nanoparticle-based metal oxide substrates. The enhancement is mainly attributed to the surface plasmon resonance effect as evidenced by the first principle calculations and UV-vis absorption spectroscopy characterization, which can be further increased by decreasing the thickness of the MoO2 nanosheets. The overall superior performance makes the MoO2 nanosheets an ideal substrate for practical SERS applications.
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Affiliation(s)
- Hongrong Wu
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Xiaocheng Zhou
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Jidong Li
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Xuemei Li
- College of Material Science & Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Baowen Li
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Wenwen Fei
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Jianxin Zhou
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Jun Yin
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Wanlin Guo
- State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
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94
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Qiu L, Liu Q, Zeng X, Liu Q, Hou X, Tian Y, Wu L. Sensitive detection of bisphenol A by coupling solid phase microextraction based on monolayer graphene-coated Ag nanoparticles on Si fibers to surface enhanced Raman spectroscopy. Talanta 2018; 187:13-18. [DOI: 10.1016/j.talanta.2018.05.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/25/2018] [Accepted: 05/01/2018] [Indexed: 11/24/2022]
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95
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Liu W, Bai H, Li X, Li W, Zhai J, Li J, Xi G. Improved Surface-Enhanced Raman Spectroscopy Sensitivity on Metallic Tungsten Oxide by the Synergistic Effect of Surface Plasmon Resonance Coupling and Charge Transfer. J Phys Chem Lett 2018; 9:4096-4100. [PMID: 29979872 DOI: 10.1021/acs.jpclett.8b01624] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Increasing the sensitivity of non-noble metal surface-enhanced Raman spectroscopy (SERS) is an urgent issue that needs to be solved at present. Herein, metallic W18O49 nanowires with a strong localized surface plasmon resonance (LSPR) effect are prepared. Interestingly, the LSPR peaks of these nanowires would undergo a strong blue shift from near-infrared (NIR) to visible light regions as the aggregation degree of the nanowires increases. By narrowing the gap between the LSPR absorption peak and the Raman excitation wavelength (532 nm), the oriented W18O49 bundles with a LSPR peak centered at 561 nm have greatly improved SERS sensitivity compared with that of the dispersed nanowires with a LSPR peak centered at 1025 nm. Enhancement mechanism investigation shows that the high sensitivity can be attributed to the synergistic effect of LSPR coupling among the oriented ultrathin nanowires and oxygen vacancy (Vo)-assisted charge transfer.
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Affiliation(s)
- Wei Liu
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Hua Bai
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Xinshi Li
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Wentao Li
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Junfeng Zhai
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Junfang Li
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
| | - Guangcheng Xi
- Institute of Industrial and Consumer Product Safety, Institution Chinese Academy of Inspection and Quarantine , No. 11, Ronghua South Road , Beijing 100176 , People's Republic of China
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96
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The Effect of Graphene Oxide Concentration on Luminescence Properity of Tb3+-Complexes. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0917-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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97
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Tao L, Chen K, Chen Z, Cong C, Qiu C, Chen J, Wang X, Chen H, Yu T, Xie W, Deng S, Xu JB. 1T' Transition Metal Telluride Atomic Layers for Plasmon-Free SERS at Femtomolar Levels. J Am Chem Soc 2018; 140:8696-8704. [PMID: 29927248 DOI: 10.1021/jacs.8b02972] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Plasmon-free surface enhanced Raman scattering (SERS) based on the chemical mechanism (CM) is drawing great attention due to its capability for controllable molecular detection. However, in comparison to the conventional noble-metal-based SERS technique driven by plasmonic electromagnetic mechanism (EM), the low sensitivity in the CM-based SERS is the dominant barrier toward its practical applications. Herein, we demonstrate the 1T' transition metal telluride atomic layers (WTe2 and MoTe2) as ultrasensitive platforms for CM-based SERS. The SERS sensitivities of analyte dyes on 1T'-W(Mo)Te2 reach EM-comparable ones and become even greater when it is integrated with a Bragg reflector. In addition, the dye fluorescence signals are efficiently quenched, making the SERS spectra more distinguishable. As a proof of concept, the SERS signals of analyte Rhodamine 6G (R6G) are detectable even with an ultralow concentration of 40 (400) fM on pristine 1T'-W(Mo)Te2, and the corresponding Raman enhancement factor (EF) reaches 1.8 × 109 (1.6 × 108). The limit concentration of detection and the EF of R6G can be further enhanced into 4 (40) fM and 4.4 × 1010 (6.2 × 109), respectively, when 1T'-W(Mo)Te2 is integrated on the Bragg reflector. The strong interaction between the analyte and 1T'-W(Mo)Te2 and the abundant density of states near the Fermi level of the semimetal 1T'-W(Mo)Te2 in combination gives rise to the promising SERS effects by promoting the charge transfer resonance in the analyte-telluride complex.
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Affiliation(s)
- Li Tao
- Department of Electronic Engineering , The Chinese University of Hong Kong , Shatin, N.T., Hong Kong SAR , China
| | - Kun Chen
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology and Guangdong Province Key Laboratory of Display Material , Sun Yat-sen University , Guangzhou 510275 , China
| | - Zefeng Chen
- Department of Electronic Engineering , The Chinese University of Hong Kong , Shatin, N.T., Hong Kong SAR , China
| | - Chunxiao Cong
- State Key Laboratory of ASIC and System, School of Information Science and Technology , Fudan University , Shanghai 200433 , China
| | - Caiyu Qiu
- College of Microelectronics, Department of Information Science & Electronic Engineering , Zhejiang University , Hangzhou 310027 , China
| | - Jiajie Chen
- Department of Biomedical Engineering , The Chinese University of Hong Kong , Shatin, N.T., Hong Kong SAR , China
| | - Ximiao Wang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology and Guangdong Province Key Laboratory of Display Material , Sun Yat-sen University , Guangzhou 510275 , China
| | - Huanjun Chen
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology and Guangdong Province Key Laboratory of Display Material , Sun Yat-sen University , Guangzhou 510275 , China
| | - Ting Yu
- School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore
| | - Weiguang Xie
- Siyuan Laboratory, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics , Jinan University , Guangzhou 510632 , China
| | - Shaozhi Deng
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology and Guangdong Province Key Laboratory of Display Material , Sun Yat-sen University , Guangzhou 510275 , China
| | - Jian-Bin Xu
- Department of Electronic Engineering , The Chinese University of Hong Kong , Shatin, N.T., Hong Kong SAR , China
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98
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Cui C, Hong NY, Ahn DJ. Monitoring Based on Narrow-Band Resonance Raman for "Phase-Shifting" π-Conjugated Polydiacetylene Vesicles upon Host-Guest Interaction and Thermal Stimuli. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800512. [PMID: 29761635 DOI: 10.1002/smll.201800512] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/19/2018] [Indexed: 06/08/2023]
Abstract
The present study reports a quantified monitoring by means of in situ resonance Raman scattering that analyzes phase-shifting characteristics of π-systems upon interacting with target analytes. A chemo- and thermochromic polydiacetylene vesicular probe is evaluated with multiple-wavelength Raman scattering modes in resonance with its phases, respectively, and thus can trace the phase-shifts. This Raman scattering-based analytical quantification is also successful in monitoring host-guest recognition events by utilizing much narrower bands, compared to those in conventional absorption or photoluminescence (PL) methods. As one of the outcomes, the monitoring analysis overcomes the limitations based on widely used colorimetric response (%CR) or PL that failed in the case of interaction with a surfactant, CTAB.
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Affiliation(s)
- Chunzhi Cui
- Department of Chemistry, College of Science, and Key Laboratory of Natural Resource of Changbai Mountains & Functional Molecules, Ministry of Education, Yanbian University, Yanji, 133002, China
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, South Korea
| | - Na Yeon Hong
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, South Korea
| | - Dong June Ahn
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, South Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, South Korea
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99
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Li M, Qiu Y, Fan C, Cui K, Zhang Y, Xiao Z. Design of SERS nanoprobes for Raman imaging: materials, critical factors and architectures. Acta Pharm Sin B 2018; 8:381-389. [PMID: 29881677 PMCID: PMC5989826 DOI: 10.1016/j.apsb.2018.01.010] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 12/26/2017] [Accepted: 01/18/2018] [Indexed: 02/06/2023] Open
Abstract
Raman imaging yields high specificity and sensitivity when compared to other imaging modalities, mainly due to its fingerprint signature. However, intrinsic Raman signals are weak, thus limiting medical applications of Raman imaging. By adsorbing Raman molecules onto specific nanostructures such as noble metals, Raman signals can be significantly enhanced, termed surface-enhanced Raman scattering (SERS). Recent years have witnessed great interest in the development of SERS nanoprobes for Raman imaging. Rationally designed SERS nanoprobes have greatly enhanced Raman signals by several orders of magnitude, thus showing great potential for biomedical applications. In this review we elaborate on recent progress in design strategies with emphasis on material properties, modifying factors, and structural parameters.
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Affiliation(s)
- Mingwang Li
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yuanyuan Qiu
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chenchen Fan
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Kai Cui
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yongming Zhang
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zeyu Xiao
- Department of Pharmacology and Chemical Biology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Translational Medicine Collaborative Innovation Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Collaborative Innovation Center of Systems Biomedicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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100
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