Journal of Raman Spectroscopy

Cover image for Journal of Raman Spectroscopy

May 2010

Volume 41, Issue 5

Pages 479–598

  1. Research Articles

    1. Top of page
    2. Research Articles
    3. Errata
    1. You have free access to this content
      The effect of vacuum annealing on graphene (pages 479–483)

      Zhen Hua Ni, Hao Min Wang, Zhi Qiang Luo, Ying Ying Wang, Ting Yu, Yi Hong Wu and Ze Xiang Shen

      Version of Record online: 21 OCT 2009 | DOI: 10.1002/jrs.2485

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      The effect of vacuum annealing on the properties of graphene is investigated by Raman spectroscopy and electrical measurement. Heavy hole doping on graphene is observed after vacuum annealing and exposed to an air ambient, which might be due to the H2O and O2 adsorption. Graphene is believed to be more active to molecular adsorption after annealing.

    2. Multiplex identification of bacteria in bacterial mixtures with surface-enhanced Raman scattering (pages 484–489)

      Dilek Cam, Kemal Keseroglu, Mehmet Kahraman, Fikrettin Sahin and Mustafa Culha

      Version of Record online: 19 OCT 2009 | DOI: 10.1002/jrs.2475

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      A mixure of concentrated silver colloidal nanoparticles and bacteria generates a suitable medium for reproducible surface-enhanced Raman scattering (SERS) spectra. The SERS spectrum of the mixed bacteria from such a sample can be used for multiplex identification of bacteria.

    3. Analysis of self-repair mechanisms of Phaseolus vulgaris var. saxa using near-infrared surface-enhanced Raman spectroscopy (pages 490–497)

      Sebastian Busch, Katrin Schmitt, Christian Erhardt and Thomas Speck

      Version of Record online: 23 OCT 2009 | DOI: 10.1002/jrs.2472

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      Surface-enhanced Raman spectroscopy (SERS) was used to investigate ultrastructural changes in cell-wall composition during the self-repair of Phaseolus vulgaris var. saxa. SERS particles were produced by the reduction of gold chloride on the plant tissue surface. The results were compared with stained cross sections of the same plant using dark-field microscopy with focus on lignin and suberin content in repairing cells. SERS measurements revealed Au cyanide compounds on the cell surface, indicating the formation of hydrogen cyanide during self-repair.

    4. Confocal Raman microscopy for simultaneous monitoring of partitioning and disordering of tricyclic antidepressants in phospholipid vesicle membranes (pages 498–507)

      Christopher B. Fox and Joel M. Harris

      Version of Record online: 29 SEP 2009 | DOI: 10.1002/jrs.2483

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      Temperature-controlled, optical-trapping confocal Raman microscopy facilitates the analysis of interactions between lipid vesicle membranes and micromolar concentrations of antidepressant drugs. Drug partitioning and changes in lipid membrane order can be determined simultaneously.

    5. Ultrathin silver-coated gold nanoparticles as suitable substrate for surface-enhanced Raman scattering (pages 508–515)

      Luca Guerrini, José V. Garcia-Ramos, Concepción Domingo and Santiago Sanchez-Cortes

      Version of Record online: 15 SEP 2009 | DOI: 10.1002/jrs.2469

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      Ultrathin silver-coated Au NPs were synthesized. The bimetallic system preserves the optical properties of Au but exhibits the chemical surface affinity of silver. The progressive silver enrichment of the Au NP surfaces was monitored through the SERS spectra of several species (chloride, luteolin, thiophenol and lucigenin) showing different behaviors on gold and silver surfaces.

    6. Probing the adsorption of methylimidazole at ionic liquids/Cu electrode interface by surface-enhanced Raman scattering spectroscopy (pages 516–523)

      Ya-Xian Yuan, Tian-Chao Niu, Min-Min Xu, Jian-Lin Yao and Ren-Ao Gu

      Version of Record online: 23 SEP 2009 | DOI: 10.1002/jrs.2480

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      The structure at room temperature of ionic liquids/metal interface was probed by electrochemical SERS. Competitive adsorption and coadsorption of ionic liquids and NMIM were observed in different potential regions, and two surface complexes were synthesized as the model. The surface coordination configuration of NMIM and ionic liquids was proposed.

    7. Raman spectra of a pseudo-oxocarbon anion in ionic liquids (pages 524–528)

      Humberto C. Garcia, Luiz F. C. de Oliveira and Mauro C. C. Ribeiro

      Version of Record online: 28 SEP 2009 | DOI: 10.1002/jrs.2486

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      Different normal modes of the croconate violet anion were used as probes of solvation characteristics of ionic liquids.

    8. You have free access to this content
      Tentative differentiation between Iznik tiles and copies with Raman spectroscopy using both laboratory and portable instruments (pages 529–536)

      Gulsu Simsek, Philippe Colomban and Véronique Milande

      Version of Record online: 25 SEP 2009 | DOI: 10.1002/jrs.2478

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      Iznik tiles from the 16th century, copies of tiles and pottery of Théodore Deck from the 19th century and also tiles without any information on their origin are analyzed by both laboratory and portable Raman instruments. The Raman signature of the glazes is the most pertinent and easily accessible fingerprint of the artifacts.

    9. Raman spectra of nitrogen-containing organic compounds obtained using a portable instrument at −15 °C at 2860 m above sea level (pages 537–542)

      J. Jehlička and A. Culka

      Version of Record online: 8 SEP 2009 | DOI: 10.1002/jrs.2410

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      Raman spectra of nitrogen-containing organic compounds were obtained using a portable Raman instrument (Ahura First Defender XL) equipped with a 785-nm diode laser under the alpine conditions (−15 °C and 2860 m altitude). The portable Raman spectrometer was able to operate under these field conditions and allowed fast and unambiguous detection of solid forms of the following compounds: formamide, urea, picoline, 1-(2-aminoethyl)piperazine, aniline, indene, indoline and benzofuran.

    10. Interaction between rhodanine and silver species on a nanocolloidal surface and in the solid state (pages 543–552)

      Katarzyna M. Marzec, Bartlomiej Gawel, Wieslaw Lasocha, Leonard M. Proniewicz and Kamilla Malek

      Version of Record online: 28 SEP 2009 | DOI: 10.1002/jrs.2479

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      Interaction models of thiazolidinone-2-thione (rhodanine) with silver species in the forms of Ag(I) and nanocolloidal particles are discussed. The apllied methods, supported by DFT calculations, showed different binding fashions of rhodanine in the form of the keto-thione tautomer with Ag(I) (through N, S atoms), and in the thiol-enol form (through S atom) on the silver surface.

    11. Destruction of the short-range disorder due to erbium doping in Pb0.8La0.2TiO3films (pages 553–557)

      Tung-Ching Huang and Wen-Feng Hsieh

      Version of Record online: 21 SEP 2009 | DOI: 10.1002/jrs.2474

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      By examining the disappearance of Raman modes in Er3+-doped Pb0.8La0.2TiO3 polycrystalline films, we show the destruction of a displacement of Ti in the short-range structure for doping concentrations exceeding 7 mol%. The diminishing of symmetry breaking causes quenching of the Er3+ emission.

    12. TiO2 thin films for spintronics application: a Raman study (pages 558–565)

      F. Rossella, P. Galinetto, M. C. Mozzati, L. Malavasi, Y. Diaz Fernandez, G. Drera and L. Sangaletti

      Version of Record online: 25 SEP 2009 | DOI: 10.1002/jrs.2465

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      Micro-Raman spectroscopy is used for investigating TiO2 thin films sputtered on quartz substrates. The crystalline phases are determined. Mapping reveals good local and global crystalline homogeneity. In the mixed phase samples, the weights of the different phases are monitored. The effect of thermal treatments is highlighted, and the oxygen stoichiometry is derived. An interface layer between substrate and film is revealed, which can play a role in driving the magnetic properties of our samples and potentially useful for spintronics application.

    13. Raman microscopy of the mixite mineral BiCu6(AsO4)3(OH)6·3H2O from the Czech Republic (pages 566–570)

      Ray L. Frost, Jiří Čejka, Jiří Sejkora, Jakub Plášil, Silmarilly Bahfenne and Sara J. Palmer

      Version of Record online: 21 SEP 2009 | DOI: 10.1002/jrs.2454

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      Raman microscopy of two mixite minerals BiCu6(AsO4)3(OH)6·3H2O from Jáchymov and Smrkovec (both Czech republic) has been used to study their molecular structure, and the presence of (AsO4)3−, (AsO3OH)2−, (PO4)3− and (PO3OH)2− units as well as molecular water and hydroxyl ions were inferred.

    14. Raman spectroscopy of the basic copper arsenate mineral: euchroite (pages 571–575)

      Ray L. Frost, Jiří Čejka, Jiří Sejkora, Jakub Plášil, Silmarilly Bahfenne and Sara J. Palmer

      Version of Record online: 25 SEP 2009 | DOI: 10.1002/jrs.2473

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      Raman spectroscopy has been used to study the molecular structure of the mineral euchroite, a mineral involved in a complex set of equilibria between the copper hydroxy arsenates: euchroite Cu2(AsO4)(OH)·3H2O [RIGHTWARDS ARROW] olivenite Cu2(AsO4)(OH) [RIGHTWARDS ARROW] strashimirite Cu8(AsO4)4(OH)4·5H2O [RIGHTWARDS ARROW] arhbarite Cu2Mg(AsO4)(OH)3.

    15. Raman spectroscopy study of Na2MoO4·2H2O and Na2MoO4 under hydrostatic pressure (pages 576–581)

      C. Luz-Lima, G. D. Saraiva, A. G. Souza Filho, W. Paraguassu, P. T. C. Freire and J. Mendes Filho

      Version of Record online: 15 SEP 2009 | DOI: 10.1002/jrs.2468

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      We have observed that sodium molybdate Na2MoO4·2H2O undergoes two phase transitions under hydrostatic pressure. When the pressure is released, the original phase is obtained when we use the nujol as hydrostatic pressure-transmitting medium. However, when we use an ethanol:methanol mixture as the compression medium, alcohol affects the sample, promoting a partial dehydration, and the original phase is not obtained after decompression. On the other hand, in Na2MoO4 the starting phase was found to be stable up to 10 GPa.

    16. Identification and spectra–structure determination of soil minerals: Raman study supported by IR spectroscopy and X-ray powder diffraction (pages 582–586)

      Zorica Tomić, Petre Makreski and Boško Gajić

      Version of Record online: 23 SEP 2009 | DOI: 10.1002/jrs.2476

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      Raman spectroscopy, supported by IR and XPRD, helped us to establish the surface layer transition going from calcic vertisols (containing gypsum and calcite) to calcimagnesic vertisols (containing aragonite, magnesium-calcite and dolomite) derived from peridotite and serpentinite.

    17. Structural, vibrational spectra and normal coordinate analysis for two tautomers of 4(5)-(2′-furyl)-imidazole (pages 587–597)

      A. E. Ledesma, J. Zinczuk, J. J. López González, A. Ben Altabef and S. A. Brandán

      Version of Record online: 19 OCT 2009 | DOI: 10.1002/jrs.2482

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      We have prepared and investigated the molecular vibrations of both 4 and 5 tautomeric forms of 4(5)-(2′-furyl)-1H-imidazole by infrared and Raman spectroscopies and calculation based on the density functional theory. In addition, a complete vibrational assignment was made for the compound.

  2. Errata

    1. Top of page
    2. Research Articles
    3. Errata
    1. You have free access to this content
      Erratum: Identification of hydrogen bond modes in polarized Raman spectra of single crystals of α-oxalic acid dihydrate (page 598)

      Vlasta Mohac̀ek-Gros̀ev, Joz̀e Grdadolnik, Jernej Stare and Dus̀an Hadz̀i

      Version of Record online: 11 MAY 2010 | DOI: 10.1002/jrs.2673

      This article corrects:

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