Journal of Raman Spectroscopy

Cover image for Vol. 43 Issue 10

October 2012

Volume 43, Issue 10

Pages 1347–1522

  1. Research articles

    1. Top of page
    2. Research articles
    1. Nanoporous Ag–GaN thin films prepared by metal-assisted electroless etching and deposition as three-dimensional substrates for surface-enhanced Raman scattering (pages 1347–1353)

      Bei Nie, Barrett K. Duan and Paul W. Bohn

      Article first published online: 10 JUL 2012 | DOI: 10.1002/jrs.4060

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      A three-dimensional silver-carpeted porous GaN semiconductor thin film sculpted with Pt-assisted chemical etching followed by electroless silver deposition is implemented to create a surface-enhanced Raman scattering-active stacked plasmonic network, exhibiting excellent optical transparency and large surface area. The new developed Ag-embellished porous substrate has been extended to both Raman detection and laser-induced surface mass analysis.

    2. An improved self-assembly gold colloid film as surface-enhanced Raman substrate for detection of trace-level polycyclic aromatic hydrocarbons in aqueous solution (pages 1354–1359)

      Xiaofeng Shi, Jun Ma, Ronger Zheng, Chunyan Wang and Heinz-Detlef Kronfeldt

      Article first published online: 21 MAY 2012 | DOI: 10.1002/jrs.4062

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      The gold colloid film with the controllable surface plasmon resonance was prepared by an improved self-assembly method, which is implemented by controlling the temperature of (3-aminopropyl)trimethoxysilane methanol solution. With the use of this kind of substrate, polycyclic aromatic hydrocarbons in aqueous solution are detected by surface-enhanced Raman spectroscopy supported by shifted excitation Raman difference spectroscopy, and Raman signals of pyrene at 5 nmol/l and anthracene at 1 nmol/l can be obtained.

    3. Surface-enhanced Raman scattering investigations on silver nanoparticles deposited on alumina and titania nanotubes: influence of the substrate material on surface-enhanced Raman scattering activity of Ag nanoparticles (pages 1360–1366)

      Andrzej Kudelski, Marcin Pisarek, Agata Roguska, Marcin Hołdyński and Maria Janik-Czachor

      Article first published online: 21 MAY 2012 | DOI: 10.1002/jrs.4075

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      In this paper, the effect of the kind of substrate on the surface-enhanced Raman scattering properties of deposited metal clusters/particles has been investigated. The spectral changes exhibited by two kinds of composites (Ag/TiO2-nanotubes/Ti and Ag/Al2O3-nanotubes/Al) are discussed in terms of the modified electronic structure of the Ag clusters due to their interaction with different substrate materials.

    4. Adsorption and reduction reactions of anthraquinone derivatives on gold electrodes studied with electrochemical surface-enhanced Raman spectroscopy (pages 1367–1373)

      Ke Dai, Rong Huang, Rui Jiang, Hui-Xian Ke, Fei Li, Shan Jin, De-Yin Wu and Zhong-Qun Tian

      Article first published online: 24 MAY 2012 | DOI: 10.1002/jrs.4083

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      Self-assembled monolayers of anthraquinone derivatives on gold electrodes were investigated with electrochemical surface-enhanced Raman spectroscopy, cyclic voltammetry, and the density functional theoretical method. We found that two different electrochemical redox reactions happen in buffered aqueous and aprotic solutions. The surface-enhanced Raman spectroscopy contributes to understanding the anthraquinone-based redox-controlled switches in molecular devices.

    5. High performance Au/Ag core/shell bipyramids for determination of thiram based on surface-enhanced Raman scattering (pages 1374–1380)

      Xia Zheng, Yanhua Chen, Yang Chen, Ning Bi, Haibo Qi, Meihong Qin, Dan Song, Hanqi Zhang and Yuan Tian

      Article first published online: 4 JUL 2012 | DOI: 10.1002/jrs.4087

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      Au/Ag core/shell bipyramids show higher surface-enhanced Raman scattering (SERS) activities. The blue shift of the absorption spectra of Au/Ag core/shell bipyramids with the increased of thickness of silver can be observed. The SERS signals of thiram change with increased silver deposition on the Au bipyramids. Au/Ag core/shell bipyramids are used as SERS substrates to determine the thiram.

    6. Surface-enhanced Raman spectra of individual multiwalled carbon nanotubes with small innermost diameters (pages 1381–1384)

      Xiaoning Hou, Leimei Sheng, Liming Yu, Kang An, Yoshinori Ando and Xinluo Zhao

      Article first published online: 12 JUL 2012 | DOI: 10.1002/jrs.4092

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      Individual MWCNTs with the innermost diameters of 0.6–0.9 nm are studied by surface-enhanced Raman scattering. The influences of small innermost diameters to Raman features are investigated. Raman peak appears at 1510 cm1 when the innermost diameter is close to 0.6 nm. The splitting of 2iTO mode is also observed at 2800–3000 cm1.

    7. Influence of surface plasmon resonance wavelength on SERS activity of naturally grown silver nanoparticle ensemble (pages 1385–1391)

      Yong-Hyok Kwon, Robert Ossig, Frank Hubenthal and Heinz-Detlef Kronfeldt

      Article first published online: 4 JUL 2012 | DOI: 10.1002/jrs.4093

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      A tuning of the plasmon resonance wavelength from 453 to 548 nm was performed by varying the morphology of the Ag nanoparticles. The dependence of the surface-enhanced Raman scattering activity on the plasmon resonance wavelength was investigated with surface-enhanced Raman scattering/shifted excitation Raman difference spectroscopy spectra obtained from a Raman set-up containing a microsystem light source at 488 nm. Research results reveal that for on-resonance ensemble the limit of detection for pyrene in water is expected to be 2 nmol/L.

    8. Ultra sensitive surface-enhanced Raman scattering detection based on monolithic column as a new type substrate (pages 1392–1396)

      Qingqing Li, Yiping Du, Huirong Tang, Xuan Wang, Guiping Chen, Jibran Iqbal, Wenming Wang and Weibing Zhang

      Article first published online: 19 JUL 2012 | DOI: 10.1002/jrs.4095

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      A novel ultrasensitive detection and easy operability method utilizing surface-enhanced Raman scattering based on monolithic column was developed. Rhodamine 6G at attoM level could be detected and the enhancement factor was approximately 1014. Other chemicals such as paraquat and flusilazole could also be detected at low concentrations.

    9. Vibrational spectroscopy of self-assembling aromatic peptide derivates (pages 1397–1406)

      Wiwat Nuansing, Amaia Rebollo, Jose Maria Mercero, Javier Zuñiga and Alexander Michael Bittner

      Article first published online: 5 SEP 2012 | DOI: 10.1002/jrs.4063

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      Self-assembling peptide (and peptide derivate) fibers can be characterized with infrared and Raman spectra. The spectra are similar to those from simulated single molecules. The assembly is based on hydrogen bonding, and also on π−stacking of aromatic residues.

    10. Temperature-dependent Raman spectroscopy study in MoO3 nanoribbons (pages 1407–1412)

      Jose V. Silveira, Luciana L. Vieira, Josue Mendes Filho, Antonio J. C. Sampaio, Oswaldo L. Alves and Antonio G. Souza Filho

      Article first published online: 15 JUL 2012 | DOI: 10.1002/jrs.4058

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      Temperature-dependent Raman spectroscopy measurements in MoO3 nanoribbons revealed morphological changes in the 150–350 °C temperature range. The interpretation of temperature-dependent Raman data is supported by scanning electron microscopy, which was used to directly probe the morphological changes in MoO3 samples. The observed phenomena in the Raman data for MoO3 nanoribbons can be applied to other nanomaterials.

    11. Raman study of single wall carbon nanotube thin films treated by laser irradiation and dynamic and isothermal oxidation (pages 1413–1422)

      Z. Marković, D. Kepić, I. Holclajtner Antunović, M. Nikolić, M. Dramićanin, M. Marinović Cincović and B. Todorović Marković

      Article first published online: 30 AUG 2012 | DOI: 10.1002/jrs.4077

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      A comparative study of the Raman features of single wall carbon nanotube thin films treated by pulsed laser irradiation and dynamic and isothermal oxidation is presented.

    12. Identification of oxygen vacancy types from Raman spectra of SnO2 nanocrystals (pages 1423–1426)

      L. Z. Liu, T. H. Li, X. L. Wu, J. C. Shen and P. K. Chu

      Article first published online: 19 JUL 2012 | DOI: 10.1002/jrs.4078

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      Raman spectra can be used to discern different types of oxygen vacancies in SnO2 nanocrystals

    13. Surface potential variation of gold nanoparticles by organic vapors revealed by Raman scattering of 1,4-phenylenediisocyanide (pages 1427–1431)

      Kwan Kim, Dongha Shin, Kyung Lock Kim and Kuan Soo Shin

      Article first published online: 13 JUL 2012 | DOI: 10.1002/jrs.4085

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      Upon exposure to organic vapors such as CCl4 and NH3, either a blueshift or a redshift is observed for the NC stretching band of 1,4-phenylenediisocyanide that has been situated in the gap between a planar Au wire and Au nanoparticles, in equal magnitude regardless of the size of the Au nanoparticles with mean diameter from 16 to 90 nm.

    14. Effect of sulphuric–nitric acid mixture composition on surface chemistry and structural evolution of liquid-phase oxidised carbon nanotubes (pages 1432–1442)

      S. Santangelo, G. Messina, G. Faggio, S. H. Abdul Rahim and C. Milone

      Article first published online: 4 JUL 2012 | DOI: 10.1002/jrs.4097

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      Multi-walled carbon nanotubes are oxidised by the use of a sulphuric–nitric acid mixture. The effect of the H2SO4:HNO3 volume ratio on the nanotube crystalline arrangement and the amount and typology of the oxygenated functionalities introduced is investigated.

    15. Effects of the agglomeration state on the Raman properties of Co3O4 nanoparticles (pages 1443–1448)

      I. Lorite, J. J. Romero and J. F. Fernández

      Article first published online: 20 JUL 2012 | DOI: 10.1002/jrs.4098

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      A dependence of temperature Raman response as a function of nanoparticles agglomerates state has been observed. The proximity between nanoparticles in agglomerates produces phonon–phonon interaction between close nanoparticles. This interaction provides a variation of the temperature Raman response of the nanoparticles at high laser power to produce larger Raman red-shift and FWHM broadening.

    16. Raman spectroscopy of polyconjugated molecules with electronic and mechanical confinement: the spectrum of Corallium rubrum (pages 1449–1458)

      Luigi Brambilla, Matteo Tommasini, Giuseppe Zerbi and Riccardo Stradi

      Article first published online: 4 JUL 2012 | DOI: 10.1002/jrs.4057

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      The Raman spectrum of Corallium rubrum shows peculiar features whose origin cannot be ascribed neither to psyttacofulvines (polyenic chain) nor to carotenoids (tetramethylated polyenic chain). Application of the effective conjugation coordinate theory and quantum chemical calculations reveals the existence of a mechanical confinement in polyenic chains due to methyl substitution, thus suggesting that the red pigments of C. rubrum consist of partially demethylated carotenoids.

    17. UV resonance Raman study of TrpZip2 and related peptides: π-π interactions of tryptophan (pages 1459–1464)

      Diana E. Schlamadinger, Brian S. Leigh and Judy E. Kim

      Article first published online: 4 JUL 2012 | DOI: 10.1002/jrs.4061

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      Ultraviolet resonance Raman spectroscopy is used to probe vibrational signatures of aromatic interactions in synthetic β-hairpin peptides TrpZip2 and W2W11. TrpZip2 possesses stabilizing face-to-face (FtF) and edge-to-face (EtF) tryptophan interactions, whereas W2W11 possesses only EtF interactions. Bands that comprise the Fermi doublet exhibit systematic shifts in position and intensity in the presence of these interactions. Additionally, hypochromism of the Bb absorption band of tryptophan in TrpZip2 leads to a decrease in the Raman band cross-section.

    18. The excited state dynamics study of di-2-pyridylketone in the A-band and B-band absorptions by using resonance Raman spectroscopy, IR and UV–visible spectroscopy (pages 1465–1471)

      LiBo Wang, Wenfei Zhang, Shaosong Shen, Huigang Wang, Xuming Zheng, Anmin Zheng and Yueying Chu

      Article first published online: 8 AUG 2012 | DOI: 10.1002/jrs.4067

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      Although the vibrational modes in wavenumber for different resonance Raman spectra are similar, the intensity patterns are very different. The spectra variations in relative band intensity reflect differences in the excited state structural dynamics.

    19. Automated identification of components in a chemical mixture utilizing multi-wavelength resonant-Raman spectroscopy and a Pearson correlation algorithm (pages 1472–1476)

      Robert Lunsford, David Gillis, Jacob Grun, Jeff Bowles, Pratima Kunapareddy, Charles Manka and Sergei Nikitin

      Article first published online: 23 JUN 2012 | DOI: 10.1002/jrs.4073

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      By utilizing a Pearson correlation algorithm to compare sets of multi-wavelength resonance-Raman signatures, we demonstrate the automated identification of component chemicals within a mixture. Applying a linear mixture model, the superposition of the selected chemicals, which minimizes the least squares distance between the signatures of the mixture and its mathematical recreation determines the corresponding fraction, by volume, of each chemical within the mixture.

    20. Vibronic coupling and excited-state reaction dynamics of pyrazine in 1 1B2u (1ππ*) state by resonance Raman spectroscopy and CASSCF calculation (pages 1477–1486)

      Jian-Li Guo, Chong Liu, Bin-Bin Xie, Yan-Ying Zhao, Ke-Mei Pei, Hui-Gang Wang, Xuming Zheng, Yue-Jie Ai, Xue-Bo Chen, Wei-Hai Fang and Chi Shun Yeung

      Article first published online: 22 JUN 2012 | DOI: 10.1002/jrs.4074

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      The photophysics and photochemistry of pyrazine are studied by resonance Raman spectroscopy and complete active space self-consistent field method. Two conical intersection points CI[S2(B2u)/S1(B3u)] and CI[S1/S0] and one transition state of the ground-state isomerization reaction between pyrazine and pyrimidine are respectively predicted. The photoisomerization reaction mechanism from pyrazine to pyrimidine is proposed.

    21. Rapid detection of gasoline by a portable Raman spectrometer and chemometrics (pages 1487–1491)

      Xiaofang Zhang, Xiaohua Qi, Mingqiang Zou and Jingwei Wu

      Article first published online: 18 SEP 2012 | DOI: 10.1002/jrs.4076

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      A portable Raman spectrometer was used for nondestructive analysis of samples of gasoline adulterated with methyl tert-butyl ether (MTBE) and benzene. Based on Raman spectral data, the principal component analysis was used to authenticate gasoline from the adulterated gasoline, and radial basis function neural network was used to detect the volume percentage of MTBE and benzene adulterated in gasoline.

    22. In situ Raman monitoring of materials under irradiation: study of uranium dioxide alteration by water radiolysis (pages 1492–1497)

      A. Canizarès, G. Guimbretière, Y. A. Tobon, N. Raimboux, R. Omnée, M. Perdicakis, B. Muzeau, E. Leoni, M. S. Alam, E. Mendes, D. Simon, G. Matzen, C. Corbel, M. F. Barthe and P. Simon

      Article first published online: 14 MAY 2012 | DOI: 10.1002/jrs.4088

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      On-site irradiation-induced surface alteration of UO2 surface is monitored by in situ Raman spectroscopy. We present in this work the instrumental developments, the performances, and the first results obtained with this extreme condition-devoted in situ spectrometer.

    23. Raman spectroscopy assisted with XRF and chemical simulation to assess the synergic impacts of guardrails and traffic pollutants on urban soils (pages 1498–1503)

      Jose Antonio Carrero, Naiara Goienaga, Maitane Olivares, Irantzu Martinez-Arkarazo, Gorka Arana and Juan Manuel Madariaga

      Article first published online: 11 JUL 2012 | DOI: 10.1002/jrs.4089

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      The impact of guardrials and other traffic pollutants on urban soils has been studied by means of Raman spectroscopy (molecular speciation) and thermodynamic speciation to understand the mechanisms of metal release and uptake by the soils.

    24. Multispectroscopic studies for the identification of archaeological frankincense excavated in the underground palace of Bao'en Temple, Nanjing: near infrared, midinfrared, and Raman spectroscopies (pages 1504–1509)

      Lei Zhou, Dawa Shen, Junquan He, Yuhui Wei, Qinglin Ma and Zhide Hu

      Article first published online: 4 AUG 2012 | DOI: 10.1002/jrs.4091

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      A multianalytical approach of near infrared, midinfrared, and Fourier transform Raman spectroscopies was applied for the identification of archaeological incense materials excavated in the underground palace of Bao'en Temple, Nanjing. The results indicate that these excavated incense materials are frankincense, with its major component of triterpenoids. The micromorphology suggests that a large number of cavities are found within the spices, which lead to the release of their pleasant characteristic odors.

    25. Multicomponent Rayleigh scattering from guanidine hydrochloride solutions (pages 1510–1514)

      Anna V. Svanidze, Sergey G. Lushnikov, Vadim P. Romanov and Seiji Kojima

      Article first published online: 17 JUL 2012 | DOI: 10.1002/jrs.4059

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      The comparison of computer simulations presented in the literature and our results observed in Brillouin light scattering experiment give the possibility to suppose that the nature of intense quasi-elastic components in Brillouin spectra of guanidine hydrochloride solutions is connected with the interactions between guanidinium ions (Gdm+) and between Gdm+ and protein.

    26. Correlation of monomer structures of tripalmitin with the spectroscopic fingerprint of polymorphs: infrared, Raman, and DFT study (pages 1515–1522)

      M. Pilarczyk, T. P. Wrobel, M. Baranska and A. Kaczor

      Article first published online: 1 AUG 2012 | DOI: 10.1002/jrs.4071

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      Polymorphism of a model triglyceride, tripalmitin, was studied by means of Raman and Fourier transform infrared spectroscopy (FT-IR) spectroscopy. Differences between the vibrational signatures of tripalmitin polymorphs were determined and interpreted with the help of quantum-chemical calculations.

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