The multiple vibrational signals of biomolecules are simultaneously enhanced and detected by different resonances in the transmission spectrum. Infrared nanophotonics based on graphene plasmonics. The optimization method of sf11 prism based spr biosensor is the same as the bk7 prism based one. Ultrasensitive biosensors based on longrange surface plasmon polariton and. Figure of merit analysis of graphene based surface plasmon. Doublelayer graphene for enhanced tunable infrared plasmonics. We propose an active plasmonic device based on graphene. Oct 26, 2017 qiushi guo, cheng li, bingchen deng, shaofan yuan, francisco guinea, fengnian xia, 2017 infrared nanophotonics based on graphene plasmonics. Recent progress and applications xiaoguang luo a, teng qiu a, weibing lu b, zhenhua ni a, a department of physics and key laboratory of mems of the ministry of education, southeast university, nanjing 211189, p.
Fano resonance in graphene mos2 heterostructure based surface plasmon resonance biosensor and its potential applications. Biosensors based on propagating surface plasmon resonances sprs in films are the most wellrecognized plasmonic biosensors, but there is great potential for the new, developing technologies to surpass the robustness and popularity of film based spr sensing. Here, we report for the first time a detailed experimental study on. As a twodimensional 2d semimetal with ultrahigh carrier mobility, graphene can host plasmon waves that exhibit extremely tight spatial confinement, exceptionally long plasmon lifetime, and an electrostatically tunable response in the midinfrared midir and terahertz thz. We demonstrate the numerical analysis of surface plasmon resonance biosensor based on graphene on aluminum and silicon. We study an active modulation of surface plasmon resonance spr of au nanoparticles based on highly doped graphene in visible and near infrared regions. Numerical simulations demonstrate that the sensitivity. In this work, we design a novel transmissiontype spr sensor based on graphene nanoribbon array for the infrared wavelength. Nanomaterials free fulltext graphenebased biosensors. Surface plasmon resonance biosensor based on graphene and.
Highly sensitive openchannels based plasmonic biosensor in visible to near infrared wavelength. Numerical results of absorption, reflectance, electric field and sensitivity are presented in this. Graphene based hybrid plasmonic waveguide for highly efficient broadband mid infrared propagation and modulation longfang ye, 1,2, kehan sui,1 yanhui liu,1 miao zhang,1 and qing huo liu 3 1institute of electromagnetics and acoustics, and department of electronic science, xiamen university, xiamen 361005, china. Osa reflectiontype infrared biosensor based on surface. Despite its great potential for a wide variety of devices, especially mid infrared biosensors and photodetectors, graphene plasmonics is still confined to academic research. Figure 1 infrared nanoimaging experiment and results. Graphene distinguishes itself as an ideal platform for topological plasmonics in three key aspects. Coverage includes theory, physics, and applications of surface plasmons in metals, and rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Design of infrared surface plasmon resonance sensors based on. Tunable mid infrared biosensors based on graphene metasurfaces. By exploiting the plasmonic field enhancement in the vicinity of engineered and.
Highly confined plasmonic waves in monolayer graphene are efficiently excited using an etched diffractive grating on silicon. Periodic structural perturbationin a proofofconcept form of hexagonal lattice of aperturesof a continuous graphene medium alters delocalized plasmonic dynamics, creating plasmonic bands in a manner akin to photonic crystals. Scalable and tunable periodic graphene nanohole arrays for. We propose a biosensor by exploiting localized plasmons in graphene and biomolecule adsorption on it. Farinfrared graphene plasmonic crystals for plasmonic band. Large area single and few layer highquality graphene nanosheets can be produced by chemical vapour deposition cvd methods on. Graphenebased biosensors the midinfrared midir range is particularly well suited for biosensing because it encompasses the molecular vibrations that identify the biochemical building blocks of life, such as proteins, lipids, and dna. To explore the effect of prism on the performance of a graphene based spr biosensor, the spr biosensor with sf11 prism is also studied. Lipid membranes constitute the primary biological interface mediating cell signaling and interaction with drugs and pathogens. Graphene metascreen for designing compact infrared absorbers with. Remarkably, the edge plasmons develop increasingly longer lifetimes in high fields due to the suppression of backscattering. We propose an infrared biosensor for nanofluidic analysis based on graphene plasmonics, which consists of a nanochannel etching on a silicon substrate and a graphene.
Sensitivity enhanced biosensor using graphenebased one. May 05, 2011 highly sensitive graphene biosensors based on surface plasmon resonance. Graphenebased biosensors research groups and companies research grouplab research interests country national graphene institute, university of manchester nanomaterials, graphene plasmonics, graphene biosensing, graphene biocatalysis and grapehene bioenergy u. Gatetuning of graphene plasmons revealed by infrared nano. Qiushi guo, cheng li, bingchen deng, shaofan yuan, francisco guinea, fengnian xia, 2017 infrared nanophotonics based on graphene plasmonics. The mid infrared midir range is particularly well suited for biosensing because it encompasses the molecular vibrations that identify the biochemical building blocks of life, such as proteins, lipids, and dna. Doublelayer graphene for enhanced tunable infrared. Design of infrared surface plasmon resonance sensors based. A novel thermal method to reduce graphene oxide rgo on wafer scale for. China b state key laboratory of millimeter waves, school of information science and. In this work we report a graphene based tunable midir biosensor and demonstrate its potential for quantitative protein detection and chemicalspecific molecular identification. As a twodimensional 2d semimetal with ultrahigh carrier mobility, graphene can host plasmon waves that exhibit extremely tight spatial confinement, exceptionally long plasmon lifetime, and an electrostatically tunable response in the mid infrared. Enhanced plasmonic biosensors of hybrid gold nanoparticle. Surface plasmon resonance based affinity biosensor comprising of 2s2g ge20ga5sb10s65 chalcogenide prism, graphenemultilayer and gold as a plasmon active metal is proposed for sensing over a.
All these phenomena can be readily manipulated with gate voltage a noteworthy property unattainable in metalbased plasmonics. Reflectiontype infrared biosensor based on surface. Infrared plasmonic biosensor for realtime and labelfree. Review graphene based electrochemical sensors and biosensors. A number of different approaches for the synthesis of graphene and its derivatives such as go, rgo, porousreduced graphene oxide prgo and gnrs are available in the literature. Reflectiontype infrared biosensor based on surface plasmonics in graphene ribbon arrays article in chinese optics letters 8. Simulation results show that the redshift of the resonant wavelength results in the improvement of. The field intensity in the gap is redistributed to standing wave. Numerical simulations demonstrate that the sensitivity of such a device can achieve a high value of up to 1697 nmriu refractive index unit when the wavelength shift at the plasmon resonance is detected. Each of the transmission dips can be independently tuned. In this paper, the figure of merit fom of a surface plasmon resonance spr biosensor based on gold graphene structure is studied in the visible and near infrared region. A graphenebased highsensitivity tunable plasmonic biosensor. It is made of one layer of carbon atoms, which makes it light and sturdy, and it is an excellent thermal and electrical conductor. A conformal graphene decorated nanofluidic sensor is employed to mimic the functions of a prism, sensing plate, and fluidic channel in the tradition setup.
The spectrometerfree feature of the device is realized thanks to the dynamic tunability of graphene s chemical potential, through electrostatic biasing. Graphene based electrochemical sensors and biosensors. Scientists theoretically show infrared to xray sources that can be implemented onchip by scattering highenergy electrons with graphene plasmons and predict that they are capable of producing. In this study, we aimed at investigating the optical properties of graphene under the influence of plasmons created in onedimensional photonic crystal structure by making use of the absorption spectrum. The guidedwave resonance of the combined structure creates a sharp notch on the normalincidence transmission spectra, as the incident optical wave couples to the. A conformal graphene decorated nanofluidic sensor is employed to mimic the functions of a prism, sensing plate, and. It is relatively straightforward to integrate those sensors into microfluidics chips, making plasmonic structures. Applied physics the mid infrared midir range is particularly well suited for biosensing because it encompasses the molecular vibrations that identify the biochemical building blocks of life, such as proteins, lipids, and dna. These unique properties make graphene a promising oneatomthick platform for the realization of highly integrated active plasmonic devices, such as infrared biosensors 1819202122. An infrared biosensor based on graphene plasmonic for. The plasmon resonance in patterned graphene disks splits into edge and bulk plasmon modes in magnetic fields.
Graphene based photonic devices have attracted great interest due to its exceptional electrical and optical properties 15,16,17,18. Conformal graphenedecorated nanofluidic sensors based. We find that compared to the traditional metal spr, the spr of au nanoparticles based on graphene causes a remarkable blue shift. The sensor is designed to detect low refractive indexes between 1. In this work, we present an infrared plasmonic biosensor for chemicalspecific detection and monitoring of biomimetic lipid membranes in a labelfree and realtime fashion. Electrical phase control based on graphene surface plasmon. Request pdf an infrared biosensor based on graphene plasmonic for integrated nanofluidic analysis we propose an infrared biosensor for nanofluidic analysis based on graphene plasmonics, which. The fom of such a biosensor can achieve a high value of up to 36refractive index unit 36riu, which is. Osa midinfrared surface plasmon resonance sensor based. Introduction realization of highperformance nanophotonic integrated circuits has attracted a great amount of attention in recent years.
A major reason is the fact that, so far, expensive and lowthroughput lithography techniques are needed to fabricate graphene nanostructures. This page will automatically redirect to the new ads interface at that point. The structure of these sensors includes metals, graphene, and 2d transition metal dichalcogenides tmdcs. The coupling characteristics and sensing properties are numerically analyzed by the finite. Sep 26, 2018 we present optical conductivity based mid infrared midir biosensors that allow for sensitive and quantitative measurements of lowmolecularweight analytes as well as the enhancement of. Infrared spectroscopy of tunable dirac terahertz magneto. Towards graphene plasmonbased freeelectron infrared to x. However, the resulting optical signal is extremely weak and often requires complex techniques to enhance the biological detection. Yibo zhu, zhaoyi li, yufeng hao, james hone, nanfang yu, qiao lin. An allinone prismfree infrared sensor based on graphene surface plasmons is proposed for nanofluidic analysis. Simulation results show that the redshift of the resonant wavelength results in the improvement of sensitivity up to 4525 nm. Optoelectromechanical multimodal biosensor with graphene. Graphene plasmonics for midir biosensing graphene has the potential to reshape the landscape of photonics and optoelectronics owing to its exceptional optical and electrical properties.
In particular, its infrared ir response is characterized by longlived collective electron oscillations plasmons that can be dynamically. The proposed sensor exhibits a 1566 nmriu sensitivity, a 250. The plasmon resonance wavelength can be tuned with electrostatic doping and or structure modulation of graphene. We propose an infrared biosensor for nanofluidic analysis based on graphene plasmonics, which consists of a nanochannel etching on a silicon substrate and a graphene sheet covered on the top of the channel.
Highly sensitive openchannels based plasmonic biosensor. Aksay,b yuehe lina a pacific northwest national laboratory, richland wa 99352, usa. The combination of graphene with conventional plasmonics based on noble metals 73,74 could, therefore, be beneficial for both fields of investigation. The change of refractive index due to the absorption of biomolecules in the nanochannel can be measured by detecting the. Optical biosensors based on graphene possess the advantage of tunable spectral selectivity owing to the tunability of graphene conductivity by electrostatic gating. A graphene based highsensitivity tunable plasmonic biosensor nanowerk news many areas of fundamental research are interested in graphene owing to its exceptional characteristics. Infrared nanophotonics based on graphene plasmonics acs. In this paper, some biological sensors based on surface plasmon resonance are proposed at visible and near infrared wavelengths and their performance is improved. Performance comparison of graphene based spr biosensors with different prism and metal. Highsensitivity plasmonic refractive index sensing using graphene.
Employing matrix method, it is found that the proposed sensor exhibits high imaging sensitivity. The gold antennas support sharp fanoresonances for nearir sensing while the excitation of graphene. As the wavelength of incident light increases, the fom of the proposed spr biosensor with different number of graphene layers increases firstly and then decreases. Grapheneonsilicon hybrid plasmonicphotonic integrated. Nowadays, graphene has many applications in optical instruments, biosensors, gas sensors, photovoltaic cells, and so on.
Controlling optical absorption of graphene in nearinfrared. Excitation of plasmonic waves in graphene by guidedmode. Numerical simulations demonstrate that the sensitivity of such a device can achieve a high value of up to 1697 nmriu refractive index unit when the wavelength shift at the plasmon. The article investigates graphene metasurface based infrared biosensor. Osa hybrid metalgraphene plasmonic sensor for multi. Our study offers a feasible approach to develop biosensing devices based on graphene plasmonics with high precision. Especially, in pharmaceutical and biotech industries, different types of sensors such as temperature, humidity, pressure and membrane sensors are used in different. K graphene research laboratory the hong group, seoul national university. A surface plasmon resonance spr sensor with two openring channels based on a photonic crystal fiber pcf is described. A tunable plasmonic refractive index sensor with nanoring. Optical conductivitybased ultrasensitive midinfrared. Pdf infrared biosensors based on graphene plasmonics.
Vibration analysis of quadrilateral graphene sheets subjected to an inplane magnetic field based on nonlocal elasticity theory. Abstract we propose an infrared biosensor for nanofluidic analysis based on graphene plasmonics, which consists of a nanochannel etching on a silicon substrate and a graphene sheet covered on the top of the channel. Because of the transparency of graphene in the mid infrared range, the incident light can travel through the first graphene layer to. We introduce farinfrared graphene plasmonic crystals. In this study, we propose an alternative method of chemical synthesis and electrostatic selfassembly of aunpgo hybrids using layerbylayer selfassembly. Spectrometerfree graphene plasmonics based refractive. Midinfrared plasmonic biosensing with graphene science. In this work we report a graphenebased tunable midir biosensor and demonstrate its potential for quantitative protein detection and chemicalspecific molecular. In this study, a labelfree multiresonant graphene based biosensor with periodic graphene nanoribbons is proposed for detection of composite vibrational fingerprints in the mid infrared range. Fano resonance in graphenemos2 heterostructurebased. The gold antennas support sharp fanoresonances for nearir sensing while the excitation of graphene plasmonic resonances extend. Copper graphene based photonic crystal fiber plasmonic. Midinfrared plasmonic biosensing with graphene core. Our study offers a feasible approach to develop biosensing devices based on graphene plasmonics.
This paper theoretically demonstrates the phase modulation of mid infrared light using electrically tunable graphene spps. We present infrared spectroscopy study of plasmon excitations in graphene in high magnetic fields. Infrared biosensors based on graphene plasmonics rsc publishing. Graphenebased hybrid plasmonic waveguide for highly. We propose a spectrometerfree refractive index sensor based on a graphene plasmonic structure. Brolo confinement and enhancement of light by plasmonics allows a high density of independent subwavelength sensor elements to be constructed in micrometresized arrays. Conformal graphenedecorated nanofluidic sensors based on. A surface plasmon resonance biosensor based on a graphene decorated grating excitation structure is proposed in this paper. We put the gold photonic crystal in adjacent to graphene and placed an. Moreover, due to the linear band structure of graphene. Graphene plasmonics has recently attracted remarkable attention, with reports of numerous intriguing properties and novel device demonstrations. Another good example is the utilization of aunpgo 56, 59 and aunp graphene hybrids for sers based biosensors in diverse applications, as well as sersmeasured bioimaging.
In contrast, twodimensional 2d materials such as graphene are emerging as a new platform to provide dynamically tunable resonances and reconfigurable biosensors via electrostatic biasing fig. Highly sensitive graphene biosensors based on surface plasmon. Graphene based biosensors for healthcare journal of. Charles a wartchow, frank podlaski, shirley li, karen rowan, xiaolei zhang, et al. Pdf we propose a biosensor by exploiting localized plasmons in graphene and biomolecule adsorption on it.
Nov, 2015 the first biosensor chips based on graphene and its derivatives were presented by the mipt at the open innovations 2015 forum and technology show 28 oct. Owing to these unique electrooptical properties, there has been a strong focus on developing new graphenebased plasmonic devices, and in particular infrared biosensors32, modulators33 35, metasurfaces36 38 and perfect absorbers39,40. Request pdf infrared nanophotonics based on graphene plasmonics graphene plasmonics has recently attracted remarkable attention, with reports of numerous intriguing properties and novel device. This paper proposes a hybrid metal graphene plasmonic sensor which can simultaneously perform multispectral sensing in near and midir ranges. The microstructured rgo under the thinfilm interdigital electrodes ide can be utilized as field effect transistor fet for antigen detection. It is observed that the application of monolayer or bilayer graphene. Performance enhancement of surface plasmon resonance. Infrared nanophotonics based on graphene plasmonics request pdf. The proposed sensor consists of an array of asymmetric gold nanoantennas integrated with an unpatterned graphene sheet. Request pdf infrared nanophotonics based on graphene plasmonics graphene plasmonics has recently attracted remarkable attention, with reports of. Wepropose a new graphene based metamaterial biosensor to achieve tunable plasmoninduced transparency in the mid infrared midir regime.
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