puzzling. We therefore carried out femtosecond transient absorption measurements to elucidate functions) were 34 and 78 nm, respectively. Figure 4. Transient absorption spectra of pTDI and pPDI. The transient absorption band (S1 f Sn) is blue-shifted for pTDI and well-separated from the stimulated

... Title : A SPECTROSCOPIC MEASUREMENT OF THE RESONANT ABSORPTION OF MICROWAVE ENERGY BY OXYGEN IN THE 2.5 ...

... Accession Number : AD0194211. Title : ULTRASONIC ABSORPTION AND MICROSCOPY AND SPECTROSCOPY. Corporate Author : ...

Protein crystallography and NMR spectroscopy took decades to emerge as routine techniques in structural biology. X-ray absorption spectroscopy now has reached a similar stage of maturity for obtaining complementary local structural information around metals in metalloproteins. However, the relatively recent emergence of X-ray and vibrational spectroscopic ...

The quest for ultrahigh detection sensitivity with spectroscopic contrasts other than fluorescence has led to various novel approaches to optical microscopy of biological systems. Coherent nonlinear optical imaging, especially the recently developed nonlinear dissipation microscopy (including stimulated Raman scattering and two-photon ...

The quest for ultrahigh detection sensitivity with spectroscopic contrasts other than fluorescence has led to various novel approaches to optical microscopy of biological systems. Coherent nonlinear optical imaging, especially the recently developed nonlinear dissipation microscopy (including stimulated Raman scattering and two-photon ...

The absorption coefficient spectra of poly(vinyl alcohol), PVA, mixed with methyl red (MR) thin films on glass substrates, prepared by the spin coating method has been investigated using scanning electron microscopy (SEM) and spectroscopic ellipsometry. SEM imaging indicates that the surface of the MR/PVA film is smooth, uniform, and ...

The complementary use of steady-state and time-resolved spectroscopy in combination with electrochemistry and microscopy are indicative of mutual interactions between semiconducting SWNTs and a water-soluble strong electron acceptor, i.e., perylenediimide. Significant is the stability and the strong electronic coupling of the perylenediimide/SWNT electron donor-acceptor ...

Spectroscopic analysis and atomic force microscopy (AFM) phase imaging studies show self-assembly of phenosafranin (PSF) to multiwalled carbon nanotubes (MWNTs). The shift in absorption spectra is associated with charge transfer of valence electrons from PSF to electron accepting sites on the MWNTs. The Raman-active disorder modes are ...

... The spectroscopic absorption of an aromatic compound on a ... behavior of aromatic compounds on soils at the ... to be characteristic of para-substituted ...

A new setup for Transmission Photoelectron Microscopy (T-PEEM) at the 3rd generation Berlin electron storage ring BESSY II is reported and initial results on imaging of dried diatom algae immobilized on a thin silicon membrane are described. The T-PEEM images recorded at a photon energy of 95 eV display a spatial resolution of better than 65 nm. Furthermore ...

Spectroscopic instrumentation and the absorption characteristics of atmospheric gases are discussed in relation to the requirements of spectroscopic stratospheric experiments. Improvement in the spectral resolution, accuracy of the line parameters, and th...

Spectroscope absorption measurements of the stratospheric trace gases hydrogen chloride (HCl) and nitric (HNO3) using a Fourier transform infrared ...

Spectroscope absorption measurements of the stratospheric trace gases hydrogen chloride (HCl) and nitric (HNO3) using a Fourier transform infrared ...

... Title : In Situ Infrared Reflection Absorption Spectroscopic Characterization of Plasma Enhanced Chemical Vapor Deposited SiO2 Films. ...

We have demonstrated x-ray nanospectroscopy for two-dimensional nanomaterials with attogram ( = 10-18 gram) weight samples. The x-ray nanospectroscopic characterization of the nanomaterials was performed using SPELEEM (Spectroscopic Photoemission and Low Energy Electron Microscopy) at BL17SU of the SPring-8 in Japan. For quantitative x-ray ...

... ULTRAVIOLET BAND RE-ASSIGNMENT FOR ANILINE AND ITS DERIVATIVES. ... of the ultraviolet absorption spectrum for anilines and derivatives ...

... COMPLEX COMPOUNDS, SPECTROSCOPY, STRUCTURAL PROPERTIES, ABSORPTION, PYRIDINES, PYRAZOLES, INDOLES, BRIDGES ...

... of gases in the atmosphere or elsewhere. ... in which a central control unit is ... ABSORPTION, AUSTRALIA, MULTIPLEXING, SIGNAL GENERATION. ...

The infrared (IR) absorption of a biological system can potentially report on fundamentally important microchemical properties. For example, molecular IR profiles are known to change during increases in metabolic flux, protein phosphorylation, or proteolytic cleavage. However, practical implementation of intracellular IR imaging has been problematic because the diffraction ...

Elastic backscattering spectroscopic microscopy Yang Liu, Xu Li, Young L. Kim, and Vadim Backman and microstructures. We present elastic backscattering spectroscopic microscopy that al- lows simultaneous acquisition at the particle's center. We also demonstrate that the spectroscopic data can ...

In order to develop a non toxicity and biocompatible hydrogel system with potential ability in biotechnology based on membranes of polyethylene glycol (PEG 300 and 400) and chitosan were prepared under ultraviolet light (UV) and ?-radiation curing, at room temperature. The hydrogels were characterized by FTIR spectroscopic, UV absorption spectroscopy, ...

A new class of amphiphilic anionic platinum(II) bzimpy complexes has been demonstrated to show aggregation in water through Pt���Pt and ?-? stacking interactions. An interesting aggregation-partial deaggregation-aggregation process and a morphological transformation from vesicles to nanofibers have been demonstrated. These changes can be systematically controlled by the variation of solvent ...

Cobalt doped zinc oxide nanoparticles were prepared through simple wet chemical method. X-ray diffraction studies confirm the prepared particles are in wurtzite structure. Scanning Electron Microscopy studies show the shape and morphology of the particles. To identify the presence of cobalt in ZnO, Energy Dispersive X-ray analysis was done. Optical ...

PRECISION RADIAL VELOCITIES OF DOUBLE-LINED SPECTROSCOPIC BINARIES WITH AN IODINE ABSORPTION CELL October 15; accepted 2005 February 25 ABSTRACT A spectroscopic technique employing an iodine absorption precision velocities of the spectroscopic double-lined binary HD 4676 to dem- onstrate

The vibrational, electronic, and structural properties of transition-metal macrocycles adsorbed on electrode surfaces are being investigated with an array of in situ spectroscopic techniques. These include potential difference FTIR, electrochemically modulated infrared spectroscopy, EMIRS, electromodulated reflection absorption spectroscopy in the UV-vis ...

Spectroscopic Databases to Support Extrasolar Planet Modeling ... Line List Database: Brown and Butler have worked to collect line lists and absorption ...

The relationship between the physicochemical properties and the activity of sonocatalysts is investigated and elucidated in the sonodegradation of amaranth. The sonocatalyts are composed of La(3+) doped TiO(2) synthesized via a sol-gel process. The sonocatalysts are characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray ...

Optical properties of white tin (?-Sn) have been investigated using spectroscopic ellipsometry in the photon-energy range between 0.6 and 6.5 eV at room temperature. The ?-Sn films are deposited by vacuum evaporation on Si(001) substrates. The structural properties of the films are evaluated by x-ray diffraction and ex situ atomic force microscopy. The ...

The chromatically resolved optical microscope (CROMoscope) is capable of spectral imaging with tunable spectral and spatial resolutions. Because of its remarkably simple design, the CROMoscope can be easily assembled and aligned. Spectral resolution as low as 2.5 nm full width at half maximum (fwhm) was measured using an atomic emission line of Hg. Absorption spectra of ...

Gallium phosphide (GaP) nanoparticulate thin films were easily fabricated by colloidal suspension deposition via GaP nanoparticles dispersed in N,N-dimethylformamide. The microstructure of the film was performed by x-ray diffraction, high resolution transmission electron microscopy and field emission scanning electron microscopy. The film was further ...

Jun 16, 2011 � ... microscopically (atomic force microscopy and scanning electron microscopy) and spectroscopically (attenuated total reflectance Fourier ...

Jan 22, 2011 ... A new method, Ballistic-Electron-Emission Microscopy (BEEM), has been developed which not only enables spectroscopic probing of subsurface ...

The absorption characteristics of light and the optical technique of fluorescence microscopy for enhancing metallographic interpretation are presented. Characterization of thermally sprayed coatings by optical microscopy suffers because of the tendency fo...

The temperature in the strong absorbing cloud surrounding the luminous propellant gas near the mouth of a rifle was measured as a function of time using emission and absorption spectroscopic techniques. The strong absorption in the cold part of the gas cl...

... resonance (EPR), and (7)Li solid state nuclear magnetic resonance (NMR ... extended x-ray absorption fine structure shows that the local symmetry of ...

Absorption and Radiation Activities and Demonstration Video ... This activity investigates the effect surface color has on heat absorption and radiation. ... unit calls for students to build simple spectroscopes to study visible light. ...

BackgroundSoft X-ray spectromicroscopy based absorption near-edge structure analysis, is a spectroscopic technique useful for investigating sample composition at a nanoscale of resolution. While the technique holds great promise for analysis of biological samples, current methodologies are challenged by a lack of automatic analysis software e. g. for ...

The optical properties of pentacene (PEN) and perfluoropentacene (PFP) thin films on various SiO(2) substrates were studied using variable angle spectroscopic ellipsometry. Structural characterization was performed using x-ray reflectivity and atomic force microscopy. A uniaxial model with the optic axis normal to the sample surface was used to analyze the ...

Third generation synchrotron sources of soft x-rays provide an excellent opportunity to apply established x-ray spectroscopic materials analysis techniques to surface imaging on a sub-micron scale. This paper describes an effort underway at the Advanced Light Source (ALS) to pursue this development using Fresnel zone plate lenses. These are used to produce a sub-micron spot of ...

... A DESIRED ABSORPTION LINE AND A MEASUREMENT CELL WHERE THE ... GAS TRACE MONITORING IN RESPIRATION MAY PROVE TO BE ...

Spectral line parameters that have absorption features within the HCl and HF channels of the Halogen

... The Ultraviolet Reflection-Absorption Spectroscopy (UVRAS) method has important advantages for in-situ studies of processing environments. ...

... GLASS, IONS, SYMPOSIA, AMORPHOUS MATERIALS, LIGHT TRANSMISSION, ABSORPTION SPECTRA, LUMINESCENCE, SAMARIUM, ...

... Report Date : 30 JUN 1970. Pagination or Media Count : 52. Abstract : The absorption spectra of mercury in argon, krypton, xenon, and nitrogen ...

... In particular, you have provided analytical data including gas chromatographic, atomic absorption spectroscopic, and spectrophotometric data demonstrating that ...

The effective level of line formation for spectroscopic absorption lines has long been regarded as a

... A theoretical model to include self absorption by heme-molecules has been developed to understand the spectroscopic differences between ...

... molecule assumes an independent phase. The energies of the assembly ... (1) A source of radiant microwave energy (2) An absorption cell ...

... MICROSCOPY, DEFECTS(MATERIALS), RADIATION ABSORPTION, WINDOWS, CADMIUM TELLURIDES, POTASSIUM CHLORIDE, INFRARED ...

... Abstract : By means of activation analysis, atomic absorption spectrophotometry, Auger electron spectroscopy, and scanning electron microscopy in ...

Proteins from Anthozoa species are homologous to the green fluorescent protein (GFP) from Aequorea victoria but with absorption/emission properties extended to longer wavelengths. HcRed is a far-red fluorescent protein originating from the sea anemone Heteractis crispa with absorption and emission maxima at 590 and 650 nm, respectively. We use ...

PbO-Bi2O3-As2O3 glasses mixed with different concentrations of TiO2 (ranging from 0 to 2.0 mol %) were prepared. The amorphous nature of the samples was confirmed by X-ray diffraction and scanning electron microscopy. Spectroscopic studies (viz., optical absorption, IR and ESR) and dielectric properties (viz., dielectric constant, ...

This work reports on the structural and spectroscopic properties of ethane-bridged Zn porphyrin dimers (1) in Langmuir-Sch�fer (LS) thin films by combining scanning force microscopy (SFM) with film balance, UV-vis absorption, fluorescence, and nanosecond laser flash photolysis measurements. Results show that depending on the surface ...

Single-bounce attenuated total reflection infrared spectroscopy in the 3-20 mum range (mid-infrared, MIR) has been combined with scanning electrochemical microscopy (SECM) for in situ spectroscopic detection of electrochemically induced localized surface modifications using an ultramicroelectrode (UME). In this study, a novel current-independent approach ...

Single-bounce attenuated total reflection infrared spectroscopy in the 3�20 �m range (MIR) has been combined with scanning electrochemical microscopy (SECM) for in situ spectroscopic detection of electrochemically induced localized surface modifications using an ultramicroelectrode (UME). In this study, a novel current-independent approach for ...

Syntheses of titania-based nanomaterials by simple sol-gel route using a mixture of CTAB and salicylate as well as salicylate ions as templates have been reported. The materials are characterized by the powder X-ray diffraction (XRD), thermal analysis, transmission electron microscopy (TEM), scanning electron microscopy (SEM) and ...

Hydrogen bonding effects on surface structure, photophysical properties, and photoelectrochemistry have been examined in a mixed film of porphyrin and fullerene composites with and without hydrogen bonding on indium tin oxide and nanostructured SnO2 electrodes. The nanostructured SnO2 electrodes modified with the mixed films of porphyrin and fullerene composites with hydrogen bonding exhibited ...

Gold nanoparticles have been prepared by alcoholic reduction of Au(III) ions in presence of a polymeric stabilizer (poly(N-vinyl pyrrolidone), PVP). On-line UV vis spectroscopic characterization and transmission electron microscopy (TEM) analysis are presented. Optical spectroscopy data show that the temporal evolution of absorption ...

X-ray probes are capable of determining the spatial structure of an atom in a specific chemical state, over length scales from about a micron all the way down to atomic resolution. Examples of these probes include photoemission microscopy, energy-dependent photoemission diffraction, photoelectron holography, and X-ray absorption microspectroscopy. Although ...

In this contribution we present a systematic study on the dispersion of SWCNTs in a water-based solution of biocompatible detergent: sodium deoxycholate (DOC). By avoiding harsh chemical conditions, which are known to damage nanotubes structure, a stable SWCNTs suspension was created. Long term stirring of the solution led to preparation of a stable transparent solution, containing well-dispersed ...

This work reports an analysis on terracotta varnished finding recovered in east Sicily area (Messina). We have performed FTIR micro-spectroscopy and electronic microscopy (SEM)measurements in order to recognize the elemental constituents of the varnished surfaces. Furthermore, for all the samples, a study on the bulk has been performed by Fourier Transform Infrared ...

Pr{sup 3+}-doped PbO-GeO{sub 2} (PGO) glasses containing silver nanoparticles (NPs) were prepared and their spectroscopic characteristics were studied. The PGO samples and the nucleation of silver NP were obtained melting the starting oxide powders, quenching and annealing. Transmission electron microscopy was used to characterize the NP size distribution. ...

An innovative design has been proposed to develop the synthesis of laser ablated gold nanoparticles in pure water, by co-radiation of Nd : YAG laser pulses and ultrasound waves. UV-VIS absorption spectroscopy illustrated the enhancement of the synthesis rate of the particles in the diversity of laser pulse energies applied in the presence of ultrasound waves. In addition, the ...

Scanning electron microscopy revealed that the cellular and morphological defects in the integument of Channa punctatus, associated with heavy metal and other environmental pollution was related to a significant extent to the hydrogen ion concentration of the water. At low pH, the epidermis showed severe lesions, and the scale lost its attachment with the skin, due to ...

... electrode is deduced by means of in-situ scanning tunneling microscopy (STM) combined with infrared reflection-absorption spectroscopy (IRAS). ...

atomic force microscopy and spectroscopy, transmission electron microscopy and X-ray absorption spectroscopy. To manipulate nucleation and assembly we use scanned probe patterning...

Jun 16, 2011... were the fungi used or the observations, light microscopy, plus the techniques of polarization and ultraviolet-absorption microscopy, ...

The optical properties of five metal phthalocyanines (MPcs) thin films (cobalt phthalocyanine (Pc), copper Pc, iron Pc (FePc), nickel Pc, and zinc Pc), were studied by spectroscopic ellipsometry. Thin films of these MPcs were evaporated in high vacuum onto glass substrates, quartz substrates, and silicon substrates. Spectroscopic ellipsometry measurements ...

Dimethoxycurcumin (Dimc), a synthetic analogue of curcumin, that has been reported to exhibit better in vivo stability and anti-tumour activity, was investigated for its interaction with DNA, employing spectroscopic methods based on absorption, fluorescence, circular dichroism (CD), ethidium bromide (EtBr) competitive binding assay, ...

the K absorption edges of oxygen. (23.3 ]_) and of carbon (43.62 _). ..... For the purposes of x-ray microscopy, it is significant that the K absorption ...

A spectroscope is designed which may be used to utilize simultaneously several wavelengths for comparing absorption bands. In the spectroscope, a spectrally fan-shaped real image of the entrance slit is formed in cyclic succession on a plurality of masks, causing different ranges of the spectrum to impinge successively in ...

Light scattering spectroscopy (LSS), an optical technique that relates the spectroscopic properties of light elastically scattered by small particles to their size, refractive index and shape, has been recently successfully employed for sensing morphological and biochemical properties of epithelial tissues and cells in vivo. LSS does not require exogenous markers, is ...

). The spectral shape of labradorite is modified considerably with add- ed carbonate at 1300 cm 1 , co- incident modified because strong silicate absorp- tions coincide with the other carbonate absorptions. OnlySpectroscopic Identification of Carbonate Minerals in the Martian Dust Joshua L. Bandfield

Spectroscopic investigations were carried out to provide the physical data base for the evaluation of operational differential-absorption measurements performed with the airborne DIALEX instrument and to identify optimum performance requirements. The meas...

The following are reported: spectroscopic studies of selected actinides in molten dimethyl sulfone; absorption spectrophotometric study of actinide halides under pressure; spectroscopic investigations of americium (V) and (VI) in concentrated aqueous carb...

Spectroscopic methods are proposed for detection of thermal barrier coating (TBC) spallation from engine hot zone components. These methods include absorption and emission of airborne marker species originally embedded in the TBC bond coat. In this study,...

Nanometer scale cobalt thin films of different structures and thicknesses supported on glassy carbon were prepared by electrochemical deposition under cyclic voltammetric conditions (denoted nm-Co/GC(n)). The thickness of Co thin films was altered systematically by varying the number (n) of potential cycling within a defined potential range in electrodeposition. Electrochemical in situ scanning ...

Reduction of silver ions in and on bacterial cells was shown to produce silver colloids giving rise to intense surface enhanced Raman spectra (SERS) of chemical components of the cell. Transmission electron microscopy, absorption spectroscopy and elementa...

The spectroscopic content within optical coherence tomography (OCT) data can provide a wealth of information. Spectroscopic OCT methods are frequently limited by time-frequency trade-offs that limit high spectral and spatial resolution simultaneously. We present spectroscopic spectral-domain optical coherence ...

Research using the Advanced Light Source Spectro-microscopy facility is described. Three closely related techniques, x-ray photoelectron spectroscopy, x-ray absorption spectroscopy, and x-ray fluorescence spectroscopy, have become widely accepted as important tools for the study of the chemical composition and electronic properties of surfaces, overlayers, ...

BackgroundCholelithiasis is the gallstone disease (GSD) where stones are formed in the gallbladder. The main function of the gallbladder is to concentrate bile by the absorption of water and sodium. GSD has high prevalence among elderly adults. There are three major types of gallstones found in patients, White, Black and Brown. The major chemical component of white stones is ...

Structure-performance relationships gained by studying catalysts at work are considered the key to further development of catalysts underlined here by a brief overview on our research in this area. The partial oxidation of methane to hydrogen and carbon monoxide over Pt- and Rh-based catalysts and the total combustion of hydrocarbons demonstrate the importance of structural identification of ...

... pretreated Ti 6-4 surfaces including scanning electron microscopy (SEM), electron spectroscopy of chemical analysis (ESCA), and reflectance ...

The Scanning Tunneling Microscope has demonstrated unique capabilities for the examination of electrode topography, the vibrational spectroscopic imaging of surface adsorbed species, and the high resolution electrochemical modification of conductive surfa...

The (BaFe12O19+BaTiO3)/polyaniline composite was synthesized by in situ polymerization and introduced into epoxy resin and polyethylene to be a microwave and infrared absorber. The spectroscopic characterizations of the formation processes of (BaFe12O19+BaTiO3)/polyaniline composite were examined using Fourier transform infrared, ultraviolet�visible spectrophotometer, X-ray ...

Polyaniline/BaFe12O19 (PANI/Ba ferrite) composites were synthesized by in situ polymerization at different aniline/Ba ferrite weight ratios (Ani/Ba ferrite=1/2, 1/1 and 2/1) and introduced into epoxy resin to be microwave absorber. The spectroscopic characterizations of the formation processes of PANI/Ba ferrite composites were studied using Fourier transform infrared, ...

A novel method to prepare cadmium sulphide nanoparticles (CdS NPs) possessing nearly uniform size was adopted using eggshell membrane (ESM), under different pH conditions. Significant yield of CdS NPs with smallest possible size was obtained by increasing the pH of the reaction medium from acidic to alkaline. The above prepared CdS NPs have been characterized by UV-vis ...

Scanning Transmission Soft X-ray spectral microscopy on Carbon's 1s absorption edge reveals the distribution of structural biopolymers within cell membrane regions of modern cedar and oak. Cellulose is extremely susceptible to beam damage. Spectroscopic studies of beam damage reveals that the chemical changes resulting from secondary ...

The nature of Ni-hydroxide precipitates on pyrophyllite were reexamined by analytical electron microscopy (AEM), high-resolution transmission electron microscopy (HRTEM), selected-area electron diffraction (SAED), powder X-ray diffraction (PXRD), and extended X-ray absorption fine structure (EXAFS) spectroscopy. Chemical analysis of ...

The optical properties of gold and silver nanoparticles and their films have been thoroughly investigated as surface enhanced Raman scattering (SERS) substrates and chemical reaction promoters. Similar to gold and silver nanoparticles, copper nanoparticles exhibit distinct plasmon absorptions in the visible region. The work on copper nanoparticles and their films is limited ...

Graphenes with varying number of layers can be synthesized by different strategies. Thus, single-layer graphene is obtained by the reduction of single layer graphene oxide, CVD and other methods besides micromechanical cleavage. Few-layer graphenes are prepared by the conversion of nanodiamond, arc-discharge of graphite and other means. We briefly present the various methods of synthesis and the ...

HfO(2) is a well-known high-refractive-index material for optical interference coatings from the infrared down to the ultraviolet (UV). Dense, homogeneous, and stoichiometric HfO(2) film is critical for low-loss UV optics where the spectral region is close to its fundamental absorption edge. We prepare HfO(2) films by plasma-ion-assisted deposition with various amounts of ...

Nanocomposite solutions formed of Poly [(9,9-diesilfluorene)-(2,7 diyl)-alt-(2,5-dimetil-1,4-phenilene)] and highly luminescent nanocrystals of CdSe coated with a shell of ZnS (CdSeatZnS) with different size have been obtained by using a common solvent and characterized by means of absorption and emission spectroscopy. Viscosity has been investigated, in order to prove the ...

... Title : Silver Colloids in Bacteria: A Study by Transmission Electron Microscopy, Absorption Spectroscopy and Elemental Analysis. ...

... optical absorption, fluorescence emission, transmission electron microscopy, and dynamic light scattering, to ensure sufficient quantum yield and ...

... EQUIPMENT, MOISTURE CONTENT, SHEAR STRENGTH, DELAMINATION, ABSORPTION, HYDROSTATICS, MICROSCOPY, CYCLES, HIGH ...

... and X-ray diffraction techniques, and selectively by scanning electron microscopy, X-ray fluorescence, and atomic absorption spectroscopy. ...

The local atomic arrangement and electronic structure of the Co-doped Zn1?xCoxO nanocrystal have been quantitatively examined along with its magnetic properties. According to our analysis using powder X-ray diffraction, electron microscopy, and Zn K-edge X-ray absorption spectroscopy (XAS), phase-pure wurzite-structured Zn1?xCoxO nanocrystals have been ...

The Raman and infrared absorption spectroscopy were used to investigate the properties of carbon nanotubes (CNTs) flame-synthesized using CH4-H2 low calorific value gases. The development of large amounts of CNTs benefits from flame synthesis processes, where the fuel serves as both the heating and the reactant source. As a result of flame condition studies it was determined ...

The preparation of a novel donor-acceptor material, consisting of a red/near-infrared (NIR) absorbing boron azadipyrromethene donor covalently attached to a highly functionalized single-wall carbon nanotube (SWNT) acceptor, which bears great potential in the field of organic photovoltaics, has been demonstrated. Both purification and covalent functionalization of SWNTs have been demonstrated using ...

Sol-gel derived nanostructured CeO2 film was deposited on glass substrate using by dip-coating technique with annealing at 650 �C. X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FTIR), UV/vis and photoluminescence (PL) spectroscopy studies were employed to analyze the structural and optical properties of the sol-gel derived ...

Zinc Oxide nanoparticles and nanorods have been synthesized at an optimum temperature of 60�C using aqueous solution of zinc acetate and potassium hydroxide in methanol. Particle and rod like structures were obtained by merely varying the relative concentration of the reagents. A variety of techniques like UV-Vis absorption spectroscopy, X-ray diffraction (XRD), ...

The spectroscopic properties of quantum dots can be strongly influenced by the conditions of their synthesis. In this work we have characterized several spectroscopic properties of commercial, streptavidin functionalized quantum dots (QD525, lot#1005-0045 and QD585, Lot#0905-0031 from Invitrogen). This is the first step in the development of calibration ...

The development of techniques for real-time in-situ imaging of surfaces and for spatially resolved spectroscopic imaging of surfaces is reviewed. The capabilities of Field-Ion Microscopy, In-Situ Transmission Electron Microscopy, Low-Energy Electron Micro...

Samples of chemically-vapor-deposited micrometer and sub-micrometer-thick films of polysilicon were analyzed by transmission electron microscopy (TEM) in cross-section and by Raman spectroscopy with illumination at their surface. TEM and Raman spectroscop...

The confocal laser-scanning microscopy (CLSM) has enormous potential in many biological fields. The goal of a CLSM is to acquire and quantify fluorescence and in some instruments acquire spectral characterization of the emitted signal. The accuracy of these measurements demands t...

This report is a preliminary theoretical analysis of the vaporization of materials by focussed high intensity radiation and of the optical emission and absorption properties of the resulting vapor. (Author)

This report summarizes a range of work, both theoretical and experimental, involving the spectroscopy of the diatomic halogens in the gas phase. Included are 1) Analysis of absorption, fluorescence, and emission spectra -- both discrete and diffuse -- of ...

bullet, Sun-Earth Interactions. bullet, Terrestrial Hydrosphere ... The aim of this study was to better understand the annual cycle of chlorine and ... ATMOSPHERE > ATMOSPHERIC CHEMISTRY > HALOCARBONS AND HALOGENS > HYDROGEN CHLORIDE ...

... reduced form of the amphiphile and have been examined with in situ Fourier Transform Infrared Reflection Absorption Spectroscopy (FTIRRAS). ...

A high-resolution spectroscopic technique, analogous to that used in the thermosphere to measure the

In addition, cross-section data for heavier molecular species must be expanded ..... Global Ozone Monitoring Experiment and the SCanning Imaging Absorption ...

Activity 1. 2+. 4= SOLAR PHYSICS AND TERRESTRIAL EFFECTS. Table of Solar Absorption Lines. (from the CRC handbook). Line Name. Due To. Wavelength (nm) ...