Showing 41 - 60 results of 132 for search '"absorption spectroscopy"', query time: 0.04s Refine Results
  1. 41

    Ultrafast studies of electron injection in Ru dye sensitized SnO2 nanocrystalline thin film by Christophe Bauer, Gerrit Boschloo, Emad Mukhtar, Anders Hagfeldt

    Published 2002-01-01
    “…By using two-color femtosecond transient absorption spectroscopy, we have measured the electron injection rate for bis(tetrabutylammonium) cis di(thiocyanato) bis (2,2’-bypiridine-4,4’ carboxylic acid)Ruthenium (II) dye (called N719) into SnO2 nanocrystalline thin films. …”
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  2. 42

    In situ and operando characterization techniques for nanocatalyst-based electrochemical hydrogen evolution reactions by Anaclet Nsabimana, Yiran Guan, Guobao Xu

    Published 2024-12-01
    “…Herein, we present a brief overview of the recent (from 2020) advances in the use of in situ and operando characterization techniques, such as in situ X-ray absorption spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction analysis, IR spectroscopy, electrochemical Raman spectroscopy, online inductively coupled plasma - mass spectro­scopy, differential electrochemical mass spectroscopy, optical microscopy, electron micro­scopy, electrochemical atomic microscopy, electrochemical scanning tun­neling microscopy, and scanning electrochemical microscopy, in the electrochemical hydro­gen evolution reaction. …”
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  3. 43

    Synthesis and Characterization of Trivalent Cerium Complexes of p-tert-Butylcalix[4,6,8]Arenes: Effect of Organic Solvents by Md. Hasan Zahir

    Published 2013-01-01
    “…The properties and coordination characteristics of the three calixarene complexes were determined by elemental analyses, electronic absorption, X-ray absorption spectroscopy (EXAFS), TG-DTA, FT-IR, SEM, and 1H-NMR spectroscopy. …”
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  4. 44

    DNA Binding and Photocleavage Studies of Cobalt(III) Polypyridine Complexes: [Co(en)2PIP]3+, [Co(en)2IP]3+, and [Co(en)2phen-dione]3+ by Penumaka Nagababu, S. Satyanarayana

    Published 2007-01-01
    “…In this paper, three complexes of type [Co(en)2PIP]3+(PIP=2-phenylimidazo[4,5-f][1,10,] phenanthroline)(1), [Co(en)2IP]3+ (IP=imidazo[4,5-f][1,10,] phenanthroline)(2), and [Co(en)2phen-dione]3+(1,10 phenanthroline 5,6,dione)(3) have been synthesized and characterized by UV/VIS, IR, 1H NMR spectral methods. Absorption spectroscopy, emission spectroscopy, viscosity measurements, and DNA melting techniques have been used for investigating the binding of these two complexes with calf thymus DNA, and photocleavage studies were used for investigating these binding of these complexes with plasmid DNA. …”
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  5. 45

    Characterization and Utilization of Tannin Extract for the Selective Adsorption of Ni (II) Ions from Water by Priya Meethale Kunnambath, Santhi Thirumalaisamy

    Published 2015-01-01
    “…Adsorption of Ni (II) onto TGAN is confirmed qualitatively by the use of atomic absorption spectroscopy. The BOD and COD values are considerably reduced after adsorption.…”
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  6. 46

    Liquid-Phase Ethanol Oxidation and Gas-Phase CO Oxidation Reactions over M Doped (M = Ag, Au, Pd, and Ni) and MM′ Codoped CeO2 Nanoparticles by Yohan Park, Yulri Na, Debabrata Pradhan, Youngku Sohn

    Published 2016-01-01
    “…Herein, M doped (M = Ag, Au, Pd, and Ni) and MM′ codoped CeO2 nanoparticles (NPs) were prepared by a hydrothermal method and their liquid-phase ethanol and gas-phase CO oxidation performances were examined by UV-visible absorption spectroscopy and temperature programmed mass spectrometry, respectively. …”
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  7. 47

    One-Step Cohydrothermal Synthesis of Nitrogen-Doped Titanium Oxide Nanotubes with Enhanced Visible Light Photocatalytic Activity by Cheng-Ching Hu, Tzu-Chien Hsu, Li-Heng Kao

    Published 2012-01-01
    “…The photocatalytic activity of nitrogen-doped TiO2 nanotubes, evaluated by the decomposition of rhodamine B dye solution under visible light using UV-vis absorption spectroscopy, is found to exhibit ~ four times higher than that of P25 and undoped titanate nanotubes. …”
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  8. 48

    Distribution of Heavy Metals in Surface Sediments of the Bay of Bengal Coast by M. Z. H. Khan, M. R. Hasan, M. Khan, S. Aktar, K. Fatema

    Published 2017-01-01
    “…The concentration of heavy metals was measured using Atomic Absorption Spectroscopy and Energy Dispersive X-ray fluorescence instruments. …”
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  9. 49

    Novel In Situ Fabrication of Fe-Doped Zinc Oxide/Tin Sulfide Heterostructures for Visible-Light-Driven Photocatalytic Degradation of Methylene Blue by Govinda Dharmana, Thirumala Rao Gurugubelli, Balaga Viswanadham, Babu Bathula, Kisoo Yoo

    Published 2023-01-01
    “…Additionally, absorption spectroscopy revealed a decrease in the energy bandgap with an increase in Fe content, and photoluminescence analysis demonstrated that the ZSF3 sample significantly reduced the rate of recombination of charge carriers. …”
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  10. 50

    Cylindrically bent Laue analyzer in an X-ray Raman/emission spectrometer: performance tests and a comparison with spherically bent Bragg analyzers by Nozomu Hiraoka

    Published 2025-01-01
    “…The Laue analyzer is suitable for X-ray absorption spectroscopy in high-energy-resolution fluorescence-detection mode or X-ray emission spectroscopy on 4d transition metal compounds. …”
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  11. 51

    Synthesis and Characterization of Zinc Sulfide-Aluminium -Platinum Nanocomposites Produced by Coprecipitation Method by A. Durgadevi, K. Dhayalini, M. Ravichandran

    Published 2025-01-01
    “…The proposed composite powders were thoroughly characterized using techniques like Energy-dispersive X-ray Spectroscopy, X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Ultraviolet-Visible (UV-Vis) absorption spectroscopy, and photoluminescence analysis. To investigate the structural characteristics of the nanocomposites XRD was employed, and the Debye-Scherrer equation was applied to calculate their crystallite sizes. …”
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  12. 52

    Comparison of Toxic Metal Concentrations in Antidiabetic Herbal Preparations (ADHPs) Available in Bangladesh Using AAS and XRF Analytical Tools by Rausan Zamir, Nazmul Islam, Akhter Faruque

    Published 2019-01-01
    “…Toxic metals in ADHPs have been investigated by two different methods: atomic absorption spectroscopy (AAS) and X-ray fluorescence (XRF). …”
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  13. 53

    Haematological, Liver Function Parameters and Heavy Metal Assessment of KWMC Workers at Roadside and Mixed Waste Dumpsites in Kwara State, Nigeria by D.T. Ogundele, V.T. Olayemi, F.M. Folaranmi, O.E. Oludele, A.A. Oladejo

    Published 2019-08-01
    “…Mixed solid waste samples from dumpsites and road soils were analysed by Atomic Absorption Spectroscopy. Pb concentrations between 16.0 – 29.5 mg/Kg were found in road soils and least Cd contamination between 0.5 – 2.0 mg/Kg were recorded. …”
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  14. 54

    The Effect of Divalent Metal Ions on the Temperature Stability of Poly(I:C) Duplex by Evgeniya Usenko, Vladimir Valeev, Alexander Glamazda, Victor Karachevtsev

    Published 2020-01-01
    “…The effect of divalent ions on the thermal stability of the double-stranded polynucleotide polyinosinic:polycytidylic acid (poly(I:C)) in a buffer solution (pH 7) was studied by UV absorption spectroscopy and thermal denaturation by measuring the absorbance at 260 nm. …”
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  15. 55

    Characterization of Jamaican Delonix regia and Cassia fistula Seed Extracts by Andrea Goldson Barnaby, Raymond Reid, Vaughn Rattray, Ruth Williams, Marcel Denny

    Published 2016-01-01
    “…Zinc concentration was determined by atomic absorption spectroscopy. Extracts from the seeds of C. fistula had a higher antioxidant activity, free radical scavenging activity, and phenolic content than D. regia. …”
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  16. 56

    Haematological, Liver Function Parameters and Heavy Metal Assessment of KWMC Workers at Roadside and Mixed Waste Dumpsites in Kwara State, Nigeria by D.T. Ogundele, V.T. Olayemi, F.M. Folaranmi, O.E. Oludele, A.A. Oladejo

    Published 2019-08-01
    “…Mixed solid waste samples from dumpsites and road soils were analysed by Atomic Absorption Spectroscopy. Pb concentrations between 16.0 – 29.5 mg/Kg were found in road soils and least Cd contamination between 0.5 – 2.0 mg/Kg were recorded. …”
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    Article
  17. 57

    Fabrication and Characterization of CuInSe2 Thin Film Applicable for a Solar Energy Light Absorption Material via a Low Temperature Solid State Reaction by Kuo-Chin Hsu, Yaw-Shyan Fu, Pei-Ying Lin, I-Tseng Tang, Jiunn-Der Liao

    Published 2013-01-01
    “…The chalcopyrite CuInSe2 thin film synthesized via a low temperature solid state reaction from CuSe and InSe powders was investigated using X-ray diffractomy (XRD), scanning electron microscope (SEM), energy dispersive spectrometer (EDS), transmission electron microscopy (TEM), and UV-vis absorption spectroscopy. CuSe and InSe phases react and directly transform into CuInSe2 without the occurrence of any intermediate phase. …”
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  18. 58
  19. 59

    Antiaging Property and Mechanism of Phase-Change Asphalt with PEG as an Additive by Huiru Wang, Yanmin Wang, Xian Li, Min Chen, Yanling Wu, Cuicui Sun, Xiaoning Wang

    Published 2020-01-01
    “…The functional groups and “bee structures” of PEG-modified asphalt and base asphalt were characterized by Fourier transform infrared absorption spectroscopy (FTIR) and atomic force microscopy (AFM). …”
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  20. 60

    Elemental and Proximate Compositions of Sesame Seeds and the Underlying Soil from Tsegede, Ethiopia by Fuad Seid, Bewketu Mehari

    Published 2022-01-01
    “…Essential major (Ca and Mg) and trace metals (Fe, Zn, Cu, Mn, and Ni) in the sesame seeds and the underlying soil were determined by using flame atomic absorption spectroscopy. The sesame seeds contained high levels of fat (52.9 ± 1.5%), followed by protein (23.5 ± 0.9%). …”
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