Turkmen m, aksu s, cetin ae, yanik aa, altug h 2011 multiresonant metamaterials based on utshaped nanoaperture antennas. Nanoantenna enhanced gas sensing in a single tailored nanofocus. Alphabetical metamaterial gatesensor device and its use. Sensing of leakage at an early stage is crucial for the safe utilization of hydrogen. Solgel nanomaterials for optical sensors based on localized plasmons. Pdf extremely large extinction efficiency and field. Pdag nanosheet as a plasmonic sensing platform for. Here, we theoretically propose an optimized fabrication method to implement terahertz mas with fewer steps and. Organic framework thin film for enhanced localized surface plasmon resonance gas sensing. We found and studied an optimized material combination for fast and reliable optical palladiumbased hydrogen sensing devices. Longterm stability of capped and buffered palladiumnickel thin films and nanostructures for plasmonic hydrogen sensing applications nikolai strohfeldt, andreas tittl, and harald giessen 4th physics institute and research center scope, university of stuttgart, pfaffenwaldring 57, d70569 stuttgart. Here, we overcome this limitation by utilizing confined electromagnetic nearfields of resonantly excited plasmonic nanoantennas, which enhance the molecular absorption by orders of magnitude.
Nanoantennaenhanced gas sensing in a single tailored nanofocus. Faculty of engineering and natural sciences sabanc. Gas sensing with bare and graphenecovered optical nano. Goddard1 1photonic systems laboratory, department of electrical and computer engineering, micro and nanotechnology lab, university of illinois at urbanachampaign.
Chigrin,2 and harald giessen1 14th physics institute and. Efficient plasmonic gas sensing based on cavitycoupled metallic. Maskless plasmonic lithography at 22 nm resolution liang pan 1, yongshik park, yi xiong1, erick ulinavila 1, yuan wang, li zeng 1, shaomin xiong, junsuk rho 1, cheng sun2, david b. Plasmonenhanced photocatalysis holds significant promise for controlling chemical reaction rates and outcomes. We demonstrate antennaenhanced hydrogen sensing at the singleparticle level.
Programmable selfassembly of nucleic acids enables the fabrication of custom, precise objects with nanoscale dimensions. In situ measurements of the axial expansion of palladium. Pdf longterm stability of capped and buffered palladium. Plasmonically enhanced thermomechanical detection of. Nanooptics can also aid antennaenhanced hydrogen sensing 6 and sensitive nonlinear optical nanoantennaenhanced pumpprobe experiments that detect mechanoplasmonic oscillations 7. The distinctive ability of nanometallic structures to manipulate light at the nanoscale has recently promoted their use for a spectacular set of applications in a wide range of areas of research including artificial optical materials, nanoimaging, biosensing, and nonlinear optics. Plasmonic nanoantennas have proven the outstanding ability of sensing chemical and physical processes down to the nanometer scale. In this chapter, we show how terahertz nanoantennas. Multipurpose nanovoid array plasmonic sensor produced. The paper is titled nanoantennaenhanced gas sensing. Here we demonstrate the gas sensing ability of cavitycoupled metallic. One of the main challenges in optical hydrogen sensing is the stability of the sensor material. Spectral shifts in optical nanoantennaenhanced hydrogen sensors.
Terahertz spectroscopy has great potential for sensing a wide range of elementary excitations. Highlysensitive gas sensor based on twodimensional. Pdf plasmonic nanoantenna application to chemical gas sensor. Unfortunately, traditional plasmonic metals have limited surface chemistry, while conventional catalysts are poor optical absorbers. Pdf in this paper, we would like to demonstrate the use of graphene covered. To essentially improve the performance of optical hydrogen sensors in terms of detection limit, we demonstrate in this work a. Liu n, tang ml, hatchel m, giessen h, alivisatos ap 2011 nanoantenna enhanced gas sensing in a single tailored nano focus.
Tailored metal nanoclusters have been actively developed to manipulate light at the subwavelength scale for nanophotonic applications. Plasmonic nanostructures through dnaassisted lithography. Sensing using plasmonic nanostructures and nanoparticles. Pdf plasmonic nanoantenna application to chemical gas. They found that the au70tio 2 30nio film yielded the best dynamic behavior with large absorbance changes as well as quick response times. Liu n, tang ml, hentschel m, giessen h, alivisatos ap 2011 nanoantennaenhanced gas sensing in a single tailored nanofocus. Spectroscopic infrared chemical imaging is ideally suited for labelfree and spatially resolved characterization of molecular species, but often suffers from low infrared absorption cross sections. We place a single palladium nanoparticle near the tip region of a gold nanoantenna and detect the changing optical properties of the system upon hydrogen exposure. The coupling of two modes can create new states of light that share properties of the localized resonance and the propagating mode.
In this paper, we demonstrate the sensing capability of nanoantennas to their larger scale environment, well. Allsiliconbased nanoantennas for wavelength and polarization demultiplexing mingcheng panmai, 1 jin xiang,1 zhibo sun,1 yuanyuan peng,1 hongfeng liu, 1 haiying liu,1 qiaofeng dai,1 shaolong tie,2 and sheng lan 1, 1guangdong provincial key laboratory of nanophotonic functional materials and devices, school of information and optoelectronic science and engineering. As the nanoobject under investigation we pick a nanodisc of smaller diameter 40 nm whose linear. There are two main strategies to develop such systems. Explosives detection in a lasing plasmon nanocavity. The field concentrates tightly around germanium ribbons and the light on sic surface is almost negligible. Sensing is usually achieved within the highly confined optical fields generated resonantly by the nanoantennas, i. Localized surface plasmons shed light on nanoscale metal. Terahertz nanoantennas for enhanced spectroscopy intechopen.
Gas sensing with bare and graphenecovered optical nanoantenna structures. Amani m, zhang c, hebbar v s, gao w, ota h, hettick m, kiriya d and chen y z 2017 room temperature multiplexed gas sensing using chemicalsensitive 3. Plasmons at the interface of electronics and photonics. Extremely large extinction efficiency and field enhancement in terahertz resonant dipole nanoantennas luca razzari,1, andrea toma,1 mostafa shalaby,2 matteo clerici,2 remo proietti zaccaria,1 carlo liberale,1 sergio marras,1 ibraheem a. However, terahertz studies are practically limited to macroscopic ensembles of compounds e.
Request pdf nanoantennaenhanced gas sensing in a single tailored nanofocus metallic nanostructures possess plasmonic resonances that spatially confine. Nanoantennaenhanced infrared spectroscopic chemical. Osa cmoscompatible plasmonic hydrogen sensors with a. Spectral shifts in optical nanoantennaenhanced hydrogen sensors andreas tittl,1, christian kremers,2 jens dorfmuller,1 dmitry n.
Pdf spectral shifts in optical nanoantennaenhanced. In situ measurements of the axial expansion of palladium microdisks during hydrogen exposure using diffraction phase microscopy chris edwards,1,2,4 steven j. Here, we show that dna origami metamolecules with fano resonances dmfr can precisely localize single dye molecules and. Organic framework thin film for enhanced localized. The fabrication method of these networks is simple, low cost, and scalable, and their high specific surface area facilitates efficient functionalization and gas adsorption. Nanoantennaenhanced gas sensing in a single tailored nanofocus na liu, ming l.
Osa enhancing sensing capacity of terahertz metamaterial. Pdf in this paper, we would like to demonstrate the use of graphene covered plasmonic antennas for chemical gas sensing applications. Nevertheless, precise arrangement of molecules in a hot spot with fixed numbers and positions remains challenging. Nanoantennaenhanced ultrafast nonlinear spectroscopy of a. Tang m l, hentschel m, giessen h and alivisatos a p 2011 nanoantennaenhanced gas sensing in a single tailored nanofocus nat.
One prominent example, among many others, is the blood glucose level, which is highly important in the treatment of, e. Nanoantennaenhanced gas sensing in a single tailored. Gas identification with graphene plasmons nature communications. Optical hydrogen sensors eliminate the potential hazard of ignition caused by electrical sparks but achieve a detection limit far higher than their electrical counterparts so far. Controlled patterning of upconversion nanocrystals through. Mckeown,1,4 jerry zhou,1,3 gabriel popescu,2 and lynford l.
Sitespecific positioning of nanoparticles onto a largearea substrate with high precision is crucial to harness the collective properties of nanoparticle assemblies for nanophotonic and nanoelectronic applications. Nanoantennaenhanced gas sensing in a single tailored nanofocus article in nature materials 108. Suppression of longrange collective effects in metasurfaces formed by plasmonic antenna pairs s. Liu n, tang ml, hentschel m, giessen h, alivisatos ap. Nanoantenna enhanced terahertz interaction of biomolecules. Palladiumbased plasmonic perfect absorber in the visible wavelength range and its application to hydrogen sensing. Unidirectional broadband radiation of honeycomb plasmonic. Researchers use nanoantenna to enhance plasmonic sensing. Plasmonic gas sensing based on cavitycoupled metallic. Functioning as sensitive detectors to determine perturbations in an ambient environment is another significant subsidiary function. Alivisatos, nanoantennaenhanced gas sensing in a single tailored nanofocus, in cleo. It consists of a palladiumnickel alloy that is buffered by calcium fluoride and capped with a very thin layer of platinum.
Further achievements in electronics and photonics imply their better integration. Gas sensors based on localized plasmons can be easily fabricated by including the plasmonic nanostructures metal nanoparticles, nanoarrays, etc. Remote optical sensing on the nanometer scale with a. Liu n, tang m l, hentschel m, giessen h and alivisatos a p 2011 nanoantennaenhanced gas sensing in a single tailored nanofocus nat. Here we transfer this concept to the terahertz spectral region, demonstrating a metal nanostructure in shape of a. In their gas sensing experiments, the authors exposed the three nanocomposite films to 100 ppm h 2 s and 1 vol. Suppression of longrange collective effects in meta. Spectral shifts in optical nanoantennaenhanced hydrogen. Studying and simulation of a different formation of u. In the sensing system, the photocatalytically generated hydrogen reacts with pdag nss, resulting in a gradual redshift of localized surface plasmon resonance, which to a certain degree is almost linearly proportional to the amount of hydrogen generated. High qfactor controllable phononic modes in hybrid. Blaikie and min qiu, efficient plasmonic gas sensing based on cavitycoupled metallic nanoparticles, the journal of physical chemistry c, 10. Currently, different kinds of antenna structures are under development in the optical regime, ranging from simple dipoles to complex yagiuda antennas12,17,18,19,20.
Nanoscale field confinement by metallic nanostructures is one of the key aspects of nanophotonics 1,2,3,4,5. For applications such as surfaceenhanced sensing and fluorescence enhancement. Here, we demonstrate the gas sensing ability of cavitycoupled metallic. Nanoantennaenhanced ultrafast nonlinear spectroscopy of a single gold nanoparticle. Usage of photons at the level of circuits and single chips has a huge potential to improve modern intelligent systems. By placing a catalytic reactor particle adjacent to a plasmonic antenna, the highly efficient and tunable lightharvesting capacities of plasmonic. In our experiment, we use a polarizationinsensitive dipole antenna, that is, a plasmonic nanodisc of 70 nm diameter fig. Nanoantenna enhanced terahertz interaction of biomolecules subham adak1 and laxmi narayan.
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