REALIZATION OF PLASMONIC 2d 3d NANOSTRUCTURES FOR SURFACE ENHANCED RAMAN SCATTERING DETECTION

... V Summary Raman scattering is an important method to obtain the vibrational spectroscopic information of molecules by their inelastic scattering with photons Surface enhanced Raman scattering ... dimension of surface nanostructures should be explored to enhance the intensity of SERS signals By developing the SERS substrates from 2D to 3D, the aspect ratio and surface area of the nanostructures ... In order to improve the Raman signal intensity, surface enhanced Raman scattering (SERS) has been widely investigated Using plasmonic nanostructures as the sensing platform, SERS techniques can...

Báo cáo hóa học: " Fabrication and evolution of multilayer silver nanofilms for surface-enhanced Raman scattering sensing of arsenate" pdf

... Y: Surface-enhanced Raman scattering of biological molecules on metal colloid II: effects of aggregation of gold colloid and comparison of effects of pH of glycine solutions between gold and silver ... and evolution of multilayer silver nanofilms for surface-enhanced Raman scattering sensing of arsenate Nanoscale Research Letters 2011 6:263 Submit your manuscript to a journal and beneﬁt from: ... X: Surface-enhanced Raman scattering for arsenate detection on multilayer silver nanofilms Anal Chim Acta 2011 doi:10.1186/1556-276X-6-263 Cite this article as: Hao et al.: Fabrication and evolution...

Báo cáo hóa học: " Proﬁle Prediction and Fabrication of Wet-Etched Gold Nanostructures for Localized Surface Plasmon Resonance" docx

... abundance of various-shaped gold nanostructures Figure exemplifies that the profile of the nanostructure after gold evaporation is different for conformal and non-conformal gold nanostructures, as well ... angles of h = 60°, 60°, 60° and u = 0°, 120°, 240° to the nanosphere kinds of gold depositions are simulated for wet etching: a–d are for 3D conformal gold deposition, e–h are for non-conformal gold ... with Fig 4c and d, or 4g and h, or 4k and l, it is found that the gold nanostructure obtained by Fig Five profile layers for calculating the gold nanostructures a after gold deposition and b after...

A method for 3d nano focusing of optical energy and its application to the surface enhanced raman spectroscopic study of protein 2

... and Christy’s previous publication (73), 117 4.4 Surface Plasmon Polariton Assisted Surface Enhanced Raman Scattering on Ultrasmooth Metal Surface The theory for an enhanced field near a metal ... distance of the center of the cavity to the surface is h The major and minor axis of the cavity are denoted ˆ as a and b respectively a y -axis is pointing perpendicularly out of the image plane ... from the surface rather than propagating away Inside the metal (i = 2) , on the other hand, k z of the SPP will v possess a negative imaginary part (see Eqn and 7), which suggests that the E2 field...

A method for 3d nano focusing of optical energy and its application to the surface enhanced raman spectroscopic study of protein 1

... Theory of Enhanced Raman Scattering and its Experimental Verifications 2 .1 General Theory of Raman Scattering 13 2.2 Enhanced Raman Scattering 13 2.2 .1 Chemical Raman Enhancement 14 2.2.2 Electromagnetic ... Schematic diagram of SNOM system for phase measurements 17 0 17 1 Fig 15 A typical AFM and SNOM mappings of a 10 0-nm nano- cavity substrate with cavitysurface distance of (a and b) 10 nm, and (c and d) ... A Method for 3D Nano- focusing of Optical Energy and its Application to Surface Enhanced Raman Spectroscopic Study by Kiang Wei Kho SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE...

Báo cáo hóa học: "Growth of Comb-like ZnO Nanostructures for Dye-sensitized Solar Cells Applications" doc

... interface of ZnO nanocombs and TCO [RZnO/TCO], is the capacitance of accumulation (of e-) layer of the ZnO nanocombs [CACC] and CSC space charge capacitance 123 1008 TCO (RZnO/TCO), the capacitance of ... efﬁciency of *0.68% with a ﬁll factor of 34%, short-circuit current of 3.14 mA/cm2 and open-circuit voltage of 0.671 V This research opens a new way to utilize various kinds of ZnO nanostructures ... interface of ZnO nanocombs and 1007 Fig a Current–voltage (J–V) characteristics of ZnO nanocombsbased DSSC and (b) typical UV–Vis absorption spectra of the desorbed dye (N719) from the ZnO nanocombs...

Engineering of binary metal oxide nanostructures for highly efficient and stable excitonic solar cells

... bands of SnO2 flowers and fibers 137 6.1.7 Proposed growth model of nanoflowers 139 6.1.8 Fabrication of solar cells and evaluation of photovoltaic properties 142 6.2 Estimation of ... Outlook and Recommendations 162 Bibliography 164 vii SUMMARY Excitonic solar cells (ESCs) such as Dye Sensitized Solar Cells (DSCs) and Organic Solar Cells (OSCs) are promising candidates of ... energies of some of the organic components used in OSCs.[52] 23 Figure 1.14 Band energies of conduction band (CB) and valence band (VB) of different metal oxides.[75] 28 Figure 1.15 Schematic of...

Báo cáo hóa học: " Hybrid FIB milling strategy for the fabrication of plasmonic nanostructures on semiconductor substrates" potx

... nanostructures because of the reduction of the semiconductor surface damage This FIB- milling process extends the ability of the technology to fabricate plasmonic and other nanostructures on substrates ... highresolution capabilities of the ion-beam-based techniques Reducing the amorphisation of the substrate results in over sevenfold increase of the optical transmission of semiconductor/ metal nanostructures ... altered the geometry of the apertures, since the transmission spectra are very sensitive to the shape of the apertures The most prominent difference in the transmission of the structures is the significantly...

surface engineering of zno nanostructures for semiconductor sensitized solar cells

... based on the ZnO/ QW and ZnO/ HJ solar cells: pink hatched region indicates the photoconversion improvement from ZnO/ HJ to ZnO/ QW D) Nyquist plots of ZnO/ HJ and ZnO/ QW solar cells at 0.8 V forward bias ... steps: i) growth of ZnO nanowires arrays on TCO substrates, ii) deposition of a ZnO seeding layer on the ZnO nanowire surface, and iii) growth of branched nanorods on the surface of ZnO nanowires.[123126,153,154] ... moieties.[169,195] 4.1.2 CBD of QDs on ZnO Surface CBD is one of the most commonly used methods for direct growth of QDs onto ZnO nanostructures In this one-pot synthesis method, the ZnO nanostructures are...

Development of 2d and 3d BTEM for pattern recognition in higher order spectroscopic and other data arrays

... Wiesmat and many others in the Institute of Chemical and Engineering Sciences (ICES in Singapore) for their collaboration Thanks would be given to Prof Stanford who provided the samples for my ... matrix-formatted measurement of 2D luminescence of a dilute solution, is the prototype for bilinear data which can be factorized into a row and a column When dealing with the bilinear 2D data, ... were obtained The ideas for 2D entropy minimization were successfully extended to 3D, and 3D patterns were extracted Starting from the known concept of 1D target transformation for pattern analysis,...

The phenomenon of evaporative cooling from a humid surface as an alternative method for air-conditioning

... stream and transfer it to the secondary air in the evaporative cooling process They can be made either of metal or plastic and must easily conduct heat, maintain the two streams separated and ... such a way that it can behave either as a direct evaporative cooler If outside air is dry, taking advantage of its evaporative cooling capacity; or as an indirect system if outside air is humid and ... air in summer, mainly in hot and dry climates, the process of evaporative or adiabatic cooling appears as an alternative There are many systems that can operate as direct, indirect or mixed evaporative...

Water Splitting on Composite Plasmonic-Metal/SemiconductorPhotoelectrodes: Evidence for Selective Plasmon-Induced Formationof Charge Carriers near the Semiconductor Surface

... the rate of formation of eÀ/hþ pairs at the nearby N-TiO2 particle surface (i.e., at the semiconductor liquid interface) The advantage of the formation of eÀ/hþ pairs near the semiconductor surface ... dependence of the surface concentration of hþ on the light intensity for Ag/N-TiO2 is another indication that charge carriers are formed close to the semiconductor surface in the composite Ag/N-TiO2 ... concentration of hþ for charge carriers formed in the surface layers of TiO2 depends linearly on light intensity.10 In those measurements, the surface- speciﬁc formation of charge carriers was...

Tài liệu 2D Artwork and 3D Modeling for Game Artists- P1 pptx

... set Nowhere but in 2D Artwork and 3D Modeling for Game Artists will you find such a complete treatise on 2D artwork and 3D modeling for games or interactive media Sincerely, André LaMothe Series ... most states, so I will refrain 2D Artwork and 3D Modeling for Game Artists is the first book to really bridge the gap between art and game design Most books about game art are written by non-technical ... the design, art, and modeling of this weapon is detailed When you’re done with that, David takes you deeper and deeper into every single aspect of 2D art and 3D modeling for games The book is...

Tài liệu 2D Artwork and 3D Modeling for Game Artists- P2 docx

... preparation for game modeling Logically plan out the modeling attributes for the RF-9 plasma gun Build the RF-9 step-by-step using primitives and point-editing techniques Optimize the RF-9 mesh and check ... format for our needs is STL Short for stereolithography, this format is used in the modeling industry for machines designed to carve an actual, physical model based on your 3D mesh The STL format ... Models for games are different from models for production, such as cover art, television, and movies That’s because games have dynamic rendering environments; that is, as a player moves around in 3D...

Tài liệu 2D Artwork and 3D Modeling for Game Artists- P3 doc

... model in 3D space and select coordinates for unwrapping Notice that the Mapping tab under the Command Panel has expanded to offer you a suite of options for unwrapping your object Click and drag ... Because DeepUV only opens 3D Studio Max (.3ds), Lightwave (.lwo), and Wavefront (.obj) file formats, I saved it as widget.3ds in the Chapter Data section on the CD-ROM Go ahead and open it (click File, ... bicep area and augmenting it Now for the hand—just as you did with the arm, select the face on the other side of the cuff and sweep it several times, adjusting the width to conform to a hand shape...

Xem thêm