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Graphene and polarisable nanoparticles: Looking good together?

M. I. Vasilevskiy, Jaime E. Santos, Rui M. Pereira, Yu. V. Bludov, F. Vaz, N. M. R. Peres
2016 2016 18th International Conference on Transparent Optical Networks (ICTON)  
Several potentially interesting plasmonic effects can arise from combining graphene with polarisable nanoparticles (NPs), such as metallic or dielectric spheres, related to surface plasmon-polaritons (  ...  Owing to the electromagnetic coupling between the graphene SPPs and dipole moments of polarisable (nano-) particles deposited on top of it, the optical properties of such a composite system have some new  ...  Financial support from the Portuguese Foundation for Science and Technology (FCT) is also acknowledged.  ... 
doi:10.1109/icton.2016.7550390 fatcat:pe56xlt7bnfgpbn6eiyvoyhc64

Ion transfer at polarised liquid-liquid interfaces modified with adsorbed silica nanoparticles

Martha C. Collins, Marc Hébrant, Grégoire Herzog
2018 Electrochimica Acta  
This is in contrast with the other two ions investigated (Eosin B and tetraethylammonium), which demonstrated low affinity for the silica nanoparticles.  ...  Here we followed the adsorption of silica nanoparticles of 12 nm diameter at the ITIES by AC voltammetry and their interactions with methylene blue (MB + ), selected as a model ion, by cyclic voltammetry  ...  Silica nanoparticles and MB + were mixed together and the solution was then filtered through a membrane.  ... 
doi:10.1016/j.electacta.2018.06.036 fatcat:q332zd3f25ecdpbnx2ylczzuou

Infrared-spectroscopic, dynamic near-field microscopy of living cells and nanoparticles in water

Korbinian J. Kaltenecker, Thorsten Gölz, Enrico Bau, Fritz Keilmann
2021 Scientific Reports  
and through model calculations.  ...  sub-cellular morphology and adhesion patterns, at 150 nm resolution.  ...  Schaffer and L. Kern for cell culturing, and R. Hillenbrand and S.A. Maier for advice with the manuscript.  ... 
doi:10.1038/s41598-021-01425-w pmid:34750511 pmcid:PMC8576021 fatcat:k3fwfm2dtrapfkvcnn2sjnufsi

Plasmonic sensing through bioconjugation of Ag nanoparticles: Towards the development of immunoassays for ultralow quantification of antigens in colloidal dispersions

Pablo A. Mercadal, Juan C. Fraire, Rubén Motrich, Eduardo A. Coronado
2018 Advanced Materials Letters  
Atomic layer deposition (ALD) provides thin uniform, and pinhole free layers which can be used as protection and sensing. Other materials include graphene.  ...  Sensors for all signal domains can be realised, and in many cases, integrated with read-out electronics.  ...  Supporting information Materials and methods for the theoretical simulations, extinction depletion studies, TEM images, and fractional extinction depletion in the presence of a specific antigen.  ... 
doi:10.5185/amlett.2018.2001 fatcat:san2f55iwnakbgtkeet5x4pd6i

Carbon Allotropes as ITO Electrode Replacement Materials in Liquid Crystal Devices

Ingo Dierking
2020 C — Journal of Carbon Research  
In particular, this is due to the largely increased number of flat panel displays and especially liquid crystal displays (LCDs) being produced for home entertainment TV and mobile technologies.  ...  At present, these already fulfil the technical specifications demanded from ITO with respect to transmittance and sheet resistance, albeit not in relation to cost and large-scale production.  ...  These are values as expected for good ITO electrodes.  ... 
doi:10.3390/c6040080 fatcat:3wfv2zaj75dm5jiasyri6olxxa

Comprehensive Study to Design Advanced Metal-carbide@Garaphene and Metal-carbide@FeOx Nanoparticles with Tunable Structure by the Laser Ablation in liquid

Fatemeh Davodi, Elisabeth Mühlhausen, Daniel Settipani, Eeva-Leena Rautama, Ari-Pekka Honkanen, Simo Huotari, Galina Marzun, Pekka Taskinen, Tanja Kallio
2019 Journal of Colloid and Interface Science  
Acknowledgements This research was carried out between May 2015 and May 2019 in the Laboratory of Electrochemical Energy Conversion and Storage, Department of Chemistry and Materials Science, School of  ...  Academy of Finland (DEMEC and SUPER projects) and Aalto University are gratefully acknowledged for the financial support of this work.  ...  The separate layers of graphene in graphite are held together by van der Waals forces.  ... 
doi:10.1016/j.jcis.2019.08.056 fatcat:4vuifyrzzvchrpd3qypmwiq5cu

Electrochemical stability of Platinum nanoparticles supported on N‐doped hydrothermal carbon aerogels as electrocatalysts for the oxygen reduction reaction

Julian Martin, Julia Melke, Christian Njel, Alexander Schökel, Jan Büttner, Anna Fischer
2021 ChemElectroChem  
Most importantly, the catalyst derived from aerogels pyrolyzed at 1000 °C achieved a good compromise between activity and stability and revealed a superior ORR activity after the accelerated stress test  ...  Pt nanoparticle deposition was realized by wet impregnation followed by thermal reduction and their size and distribution was found to strongly depend on the surface chemistry of the carbon aerogels.  ...  Open Access funding enabled and organized by Projekt DEAL.  ... 
doi:10.1002/celc.202101162 fatcat:7d3ij4uvl5gvff6thaqgenxutu

Metallic nanoparticles as synthetic building blocks for cancer diagnostics: from materials design to molecular imaging applications

Vincenzo Mirabello, David G. Calatayud, Rory L. Arrowsmith, Haobo Ge, Sofia I. Pascu
2015 Journal of materials chemistry. B  
New perspectives on the efficiency of metallic nanoparticles as synthetic scaffolds for molecular imaging probe design and their use in medical diagnosis of degenerative diseases such as cancer.  ...  polarisation aligned with even very weak external fields as the nanoparticle tumbles in space, which occurs, for instance, in fluid suspensions.  ...  Inductively coupled plasma atomic absorption spectroscopy was used to evaluate cancerous tissue samples which had been incubated with the inhibitor-functionalised nanoparticles and found good cell uptake  ... 
doi:10.1039/c5tb00841g pmid:32262561 fatcat:fz2t7dnkxjf6fb4krakesdwshe

Characterisation and Manipulation of Polarisation Response in Plasmonic and Magneto-Plasmonic Nanostructures and Metamaterials

Pritam Khan, Grace Brennan, James Lillis, Syed A. M. Tofail, Ning Liu, Christophe Silien
2020 Symmetry  
First, tailoring between LSPR scattering and symmetry of plasmonic nanostructures, secondly, manipulating polarisation state through metamaterials and lastly, polarisation modulation in magneto-plasmonics  ...  In this review, we pay special attention to polarisation and its effect in three contrasting aspects.  ...  Of late, Xia and co-workers [66] exploited the inherent asymmetry of elliptical graphene disks (Figure 6c ) and showed that two orthogonal plasmonic modes along minor and major axes can be excited together  ... 
doi:10.3390/sym12081365 fatcat:h47ylaxo6ng33jvrqcf2hv7whi

Assessing nanoparticle toxicity in cell-based assays: influence of cell culture parameters and optimized models for bridging the in vitro–in vivo gap

Freya Joris, Bella B. Manshian, Karen Peynshaert, Stefaan C. De Smedt, Kevin Braeckmans, Stefaan J. Soenen
2013 Chemical Society Reviews  
, which are held together by van der Waals forces, hydrophobic interactions and/or hydrogen-bonds 170 .  ...  In our current society, inorganic nanoparticles (NP) are being applied in many different ways.  ... 
doi:10.1039/c3cs60145e pmid:23877583 fatcat:nl56gr2ptbatjopol4ljw5fchy

Hybrid Conducting Nanocomposites Coatings for Corrosion Protection [chapter]

M. Federica De Riccardis, Virginia Marti
2014 Developments in Corrosion Protection  
Among organic anions, doped aliphatic and aromatic sulfonates provide good electrical and mechanical properties and good stability for the PPy layer.  ...  Casting Tafel polarisation and Monitoring OCP in 0.1M HCl, 0.1M H 2 SO 4 , and 3.5% NaCl [43] In all the corrosive environments, the incorporation of Zn The coating containing ZrO 2 nanoparticles protects  ... 
doi:10.5772/57278 fatcat:zfhlwyss5rehjlykwthba3nvpm

2D material liquid crystals for optoelectronics and photonics

B. T. Hogan, E. Kovalska, M. F. Craciun, A. Baldycheva
2017 Journal of Materials Chemistry C  
In this review, we summarise the development and applications of 2D material liquid crystals for optoelectronics and photonics.  ...  The merging of the materials science paradigms of liquid crystals and 2D materials promises superb new opportunities for the advancement of the fields of optoelectronics and photonics.  ...  EP/L015331/1) and via Grant No. EP/N035569/1, EP/G036101/1 and EP/M002438/1.  ... 
doi:10.1039/c7tc02549a fatcat:s5b4wfmntvfqxfsw3szznluupe

Functional meta-optics and nanophotonics govern by Mie resonances [article]

Sergey Kruk, Yuri Kivshar
2017 arXiv   pre-print
, quantum tomography, and topological photonics.  ...  Scattering of electromagnetic waves by subwavelength objects is accompanied by the excitation of electric and magnetic Mie resonances, that may modify substantially the scattering intensity and radiation  ...  Several material platforms have benn suggested, including highly-doped Si and Ge nanoparticles 101 , GaAs nanostructures 102 as well as graphene 103, 104 and thin ITO layers 105, 106 .  ... 
arXiv:1710.08595v1 fatcat:6mqdyq2h2be3xk3lr3jhd4hg7m

2D Material Liquid Crystals for Optoelectronics and Photonics

A. Baldycheva
2018 2018 International Conference Laser Optics (ICLO)  
The merging of the materials science paradigms of liquid crystals and 2D materials promises superb new opportunities for the advancement of the fields of optoelectronics and photonics.  ...  An emphasis is placed on the applications of such materials; from the development of films, fibers and membranes to display applications, optoelectronic devices and quality control of synthetic processes  ...  EP/L015331/1) and via Grant No. EP/N035569/1, EP/G036101/1 and EP/M002438/1.  ... 
doi:10.1109/lo.2018.8435820 fatcat:3rgojawd5fctbjubzlkikde6dq

Atomic-scale diffractive imaging of sub-cycle electron dynamics in condensed matter

Vladislav S. Yakovlev, Mark I. Stockman, Ferenc Krausz, Peter Baum
2015 Scientific Reports  
Together, Real-space analysis of sub-cycle laser-induced perturbations of the charge density in graphene. (a) Definition of volumes A-D corresponding to distinct types of electrons.  ...  bands are added together; ρ ( , ) z t G is guaranteed to be non-negative.  ...  Each pump pulse heats up graphene by < 200 K, which involves electron-phonon and phonon-phonon relaxation processes that take their course within picoseconds 62 .  ... 
doi:10.1038/srep14581 pmid:26412407 pmcid:PMC4585944 fatcat:r5yywgicynfjloalcla4t4gbje
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