Showing 181 - 200 results of 281 for search '"Raman spectroscopy"', query time: 0.07s Refine Results
  1. 181

    Low Temperature Synthesis of Hexagonal Bi2Te3 Nanoplates Using an Open Reactor and Its Effect on Their Physicochemical Properties by Laura A. Reyes-Verdugo, Maria de J. Martinez-Carreon, C. D. Gutierrez-Lazos, Francisco J. Solis-Pomar, Jose G. Quiñones-Galvan, Eduardo Perez-Tijerina

    Published 2024-01-01
    “…A vibrational mode at 120 cm−1 due to the breaking of the symmetry of the Bi2Te3 crystal along the C axis was observed by Raman spectroscopy. XPS results showed that despite the strong reactivity of Te2− ions with ambient oxygen, the crystallization of Bi2Te3 hexagonal nanoplates is feasible without controlled vapor pressure and at a lower temperature than reported in other works. …”
    Get full text
    Article
  2. 182

    Photocatalytic Properties of Nanotubular-Shaped TiO2 Powders with Anatase Phase Obtained from Titanate Nanotube Powder through Various Thermal Treatments by Nam-Hee Lee, Hyo-Jin Oh, Sang-Chul Jung, Won-Jae Lee, Dong-Hyun Kim, Sun-Jae Kim

    Published 2011-01-01
    “…Their photocatalytic properties were measured with checking decomposition of 4-chlorophenol under UV-A irradiation, together with physical characterizations using SEM, TEM, XRD, BET, and Raman spectroscopy. With increasing calcination temperature and time, nanotubular-shaped titanate particles became short, rod-like, or irregular by oversintering, and their crystalline structure was changed into anatase phase. …”
    Get full text
    Article
  3. 183

    Efficacious removal of mercury metal in food industry sewerage utilizing reduced graphene oxide adsorbent composited with magnetic nanoparticles by Adel Beig Babaei, Arash Dara, Hanieh Sadat Taheri

    Published 2025-04-01
    “…Characterization techniques such as X-ray diffraction (XRD) and Raman spectroscopy were employed to confirm the composite's structural integrity and the presence of rGO, highlighting its functional properties. …”
    Get full text
    Article
  4. 184

    Effect of Graphene Nanoplatelets as Lubricant Additive on Fuel Consumption During Vehicle Emission Tests by Eduardo Tomanik, Wania Christinelli, Pamela Sierra Garcia, Scott Rajala, Jesuel Crepaldi, Davi Franzosi, Roberto Martins Souza, Fernando Fusco Rovai

    Published 2025-01-01
    “…The graphene material was initially characterized using scanning electron microscopy (SEM) and Raman spectroscopy, which revealed the predominance of graphene nanoplatelets (GNPs) with an average of nine layers. …”
    Get full text
    Article
  5. 185

    Macroscopic perspective on phase transition behavior of natural single-crystal graphite under different pressure environments by Xiaoshuang Yin, Songyang Li, Lijuan Wang, Peiyuan Liu, Zhihai Cheng, Huiyang Gou, Liuxiang Yang

    Published 2025-01-01
    “…Here, we report on the pressure-induced phase transition behavior of natural single-crystal graphite under three distinct pressure-transmitting media from a macroscopic perspective using in situ two-dimensional Raman spectroscopy, scanning electron microscopy, and atomic force microscopy. …”
    Get full text
    Article
  6. 186

    Efficacy of Household and Commercial Washing Agents in Removing the Pesticide Thiabendazole Residues from Fruits by Xinyi Du, Lauren Ho, Sisheng Li, Jeffery Doherty, Junghak Lee, John M. Clark, Lili He

    Published 2025-01-01
    “…Surface-enhanced Raman spectroscopy (SERS) was employed for the rapid, in situ quantification of residue removal on apple surfaces. …”
    Get full text
    Article
  7. 187

    Electrochemical Study of Anodized Titanium in Phosphoric Acid by M. Khadiri, M. Elyaagoubi, R. Idouhli, Y. Koumya, O. Zakir, J. Benzakour, A. Benyaich, A. Abouelfida, A. Outzourhit

    Published 2020-01-01
    “…The obtained layers are characterized by XPS, X-ray diffraction, and Raman spectroscopy. The results showed that the obtained films are composed of poorly crystallized TiO2 oxide. …”
    Get full text
    Article
  8. 188

    Isomerization and degradation of all-trans-β-carotene during in-vitro digestion by Wenyang Tao, Xingqian Ye, Yanping Cao

    Published 2021-05-01
    “…To investigate the behavior of all-trans-β-carotene during digestion, in-vitro digestion coupled with HPLC-DAD, Raman spectroscopy and Fourier transform-infrared spectroscopy were used to monitor it. …”
    Get full text
    Article
  9. 189

    Electrospun polyvinylpyrrolidone fibers with cobalt ferrite nanoparticles by Vinicio J. Cevallos, Sarah Briceño, Guillermo Solorzano, Jules Gardener, Alexis Debut, Raúl Dávalos, Werner Bramer-Escamilla, Gema González

    Published 2025-04-01
    “…The samples were characterized using Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). …”
    Get full text
    Article
  10. 190

    Optical Feedback for Sensitivity Enhancement in Direct Raman Detection of Liquids by Miao Liu, Yunyun Mu, Jingyun Hu, Jiajun Li, Xinping Zhang

    Published 2021-01-01
    “…Detection of low-concentration molecules in liquids has been a challenge in sensing technologies. Raman spectroscopy is an effective approach for trace detection, which is in fact a “volume-excitation” and “volume-collection” technique in the analysis of liquid samples. …”
    Get full text
    Article
  11. 191

    Enhanced Electrochemical Performance of γ-Fe2O3/Cr2O3/Graphene Oxide/Sodium Alginate Hybrid Nanocomposite Aerogels for High-Efficiency Ultracapacitors by Rasha Shakir Mahmood, Dhia Hadi Hussain

    Published 2025-01-01
    “…The structural and morphological characterization of this hybrid nanocomposite was done using different techniques such as x-ray diffraction, field emission scanning electron, energy dispersive spectroscopy, and Raman spectroscopy technique. The capacitive performance was determined using a three-electrode system workstation. …”
    Get full text
    Article
  12. 192

    Thermal behavior of polymeric nickel(II) oxalate complex obtained through nickel(II) nitrate/ethylene glycol reaction by Niculescu Mircea, Pascariu Mihai-Cosmin, Racu Andrei, Taranu Bogdan-Ovidiu

    Published 2024-01-01
    “…The solid- -state decomposition products formed during heating were investigated by chemical analysis, FTIR, Raman spectroscopy and X-ray diffraction (XRD). The structure, morphology and properties of the final decomposition products were characterized by XRD, FTIR, energy dispersive X-ray spectroscopy (EDX) and transmission electron microscopy (TEM). …”
    Get full text
    Article
  13. 193

    Hydrothermal Synthesis of CuO Nanoparticles: Tailoring Morphology and Particle Size Variations for Enhanced Properties by Tijen Ennil Bektaş, Uğur Cengiz, Gürkan Akarken

    Published 2024-06-01
    “…Various characterization techniques were conducted including X-ray powder diffraction (XRD), Raman spectroscopy, and transmitting electron microscopy (TEM). …”
    Get full text
    Article
  14. 194

    Longitudinal Raman Spectroscopic Observation of Skin Biochemical Changes due to Chemotherapeutic Treatment for Breast Cancer in Small Animal Model by Myeongsu Seong, NoSoung Myoung, Songhyun Lee, Hyeryun Jeong, Sang-Youp Yim, Jae Gwan Kim

    Published 2017-01-01
    “…We used a fiber-optic probe-based Raman spectroscopy to perform preliminary animal experiments to validate the hypothesis. …”
    Get full text
    Article
  15. 195

    A Combined Raman Spectroscopic and Thermogravimetric Analysis Study on Oxidation of Coal with Different Ranks by Weiqing Zhang, Shuguang Jiang, Christopher Hardacre, Peter Goodrich, Kai Wang, Hao Shao, Zhengyan Wu

    Published 2015-01-01
    “…Raman spectroscopy and nonisothermal thermogravimetric analysis (TGA) measurements have been reported for different rank coals (lignite, bituminous coal, and anthracite) and the relationship between the measurements was examined. …”
    Get full text
    Article
  16. 196

    Effects of applying a graphene/polyurethane composite thermally conductive film on capacitor heat dissipation performance by Qinghua Miao, Ruihan Guo, Pengfei Liu, Jie Li

    Published 2025-01-01
    “…The lattice and valence bond structures of the C atoms in the composite films were analyzed using x-ray diffraction, Raman spectroscopy, x-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy to investigate the extent of graphene defects and types of functional groups in the composite film materials. …”
    Get full text
    Article
  17. 197

    Predictive modelling of hexagonal boron nitride nanosheets yield through machine and deep learning: An ultrasonic exfoliation parametric evaluation by Jerrin Joy Varughese, Sreekanth M․S․

    Published 2025-03-01
    “…Successful exfoliation to hBNNs was confirmed by characterization techniques such as UV–Visible spectroscopy, X-ray diffraction, FTIR spectroscopy, Raman spectroscopy, and electron microscopic analysis with preserved crystallinity, improved interplanar spacing, and reduced crystallite size. …”
    Get full text
    Article
  18. 198

    Electrochemically reduced graphene oxide integrated with carboxylated-8-carboxamidoquinoline: A platform for highly sensitive voltammetric detection of Zn(II) ion by screen-printed... by Ling Ling Tan, Nur Syamimi Mohamad, Nurul Izzaty Hassan, Choo Ta Goh

    Published 2025-01-01
    “…The green CACQ/ErGO-modified SPCE was characterized by spectroscopy techniques, such as Fourier-transform infrared (FTIR) spectroscopy, Raman spectroscopy, and field-emission scanning electron microscopy with energy dispersive X-ray (FESEM-EDX). …”
    Get full text
    Article
  19. 199

    The Distribution, Structure, and Chemical Composition of Alkali-Silica Gels in Calcined Clay Concretes by Miriam E. Krüger, Anne Heisig, Stefanie Lode, Klaartje de Weerdt, Alisa Machner

    Published 2025-01-01
    “…Micro X-ray fluorescence mapping revealed an average ASR gel content of 3 wt% in concrete, incorporating up to two-thirds of K<sub>2</sub>O and nearly all Na<sub>2</sub>O from the binder. Raman spectroscopy indicated structural similarities among gels in different concrete mixes, with an increased degree of polymerization in the metakaolin-containing concrete. …”
    Get full text
    Article
  20. 200

    Effect of Graphite Nanosheets on Properties of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Larissa Stieven Montagna, Thaís Larissa do Amaral Montanheiro, João Paulo Barros Machado, Fábio Roberto Passador, Ana Paula Lemes, Mirabel Cerqueira Rezende

    Published 2017-01-01
    “…X-ray diffraction (XRD), Raman spectroscopy, and field emission gun-scanning electron microscopy (FE-SEM) showed that the physical, chemical, and thermal treatments preserved the graphite sheets structure. …”
    Get full text
    Article