Showing 121 - 140 results of 222 for search 'diffuse reflectance (efficient OR efficiency)', query time: 0.14s Refine Results
  1. 121

    Synthesis of CdIn2S4 Microsphere and Its Photocatalytic Activity for Azo Dye Degradation by Jianhui Huang, Wei Lin, Jianqin Chen

    Published 2014-01-01
    “…The prepared CdIn2S4 was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FSEM), transmission electron microscopy (TEM), UV-visible diffuse reflectance spectroscopy (UV-Vis DRS), and N2-sorption techniques. …”
    Get full text
    Article
  2. 122

    Two-Dimensional Lamellar Stacked Bi<sub>2</sub>O<sub>3</sub>/CeO<sub>2</sub> Type-II Heterojunctions Promote Carrier Separation to Enhance Ciprofloxacin Oxidation by Lihong Chen, Xiufei Zhao, Kuo Zhang, Biyu Wu, Xiao Yang, Haonan Zou, Lei Zhang, Huahao Shao, Tianyi Ma, Hu Zhou, Yusheng Zhang

    Published 2025-04-01
    “…Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) analyses confirmed the uniform distribution of Bi<sub>2</sub>O<sub>3</sub> nanosheets on CeO<sub>2</sub> surfaces, forming an intimate interfacial contact that enhances charge separation and transfer efficiency. Photoluminescence (PL) spectroscopy, UV–visible diffuse reflectance spectroscopy (DRS), and electrochemical characterization revealed extended visible-light absorption (up to 550 nm) and accelerated electron migration in the heterojunction. …”
    Get full text
    Article
  3. 123

    Towards controlling the morphology of cobalt loaded nanocomposites in polyol process with polyethylene glycol by Anastasia Burmatova, Artur Khannanov, Liana Zubaidullina, Dmitry Emelianov, Olga Mostovaya, Ivan Stoikov, Nikolay Ulakhovich, Marianna Kutyreva

    Published 2023-12-01
    “…The PEG-based polyol process and the formation of cobalt nanophase were studied at molar ratios νCo2+/νOH(PEG) = 1:1, 1:10, 1:100 and 1:500 using UV-Vis, diffuse reflectance IR and ATR FT-IR spectroscopy, nanoparticle tracking analysis (NTA), dynamic light scattering (DLS). …”
    Get full text
    Article
  4. 124

    A novel Cu–Al LDH/g-C3N4 Z-scheme photocatalyst for environmental remediation of cresol red by Alaka Rath, Pratyush Kumar Sahu, Aslisha Champati, Abanti Pradhan, Ashish Madhual, Pravat Manjari Mishra, Brundabana Naik

    Published 2025-07-01
    “…The morphological studies demonstrate a 1D/2D hybrid nanostructure with noodle like one dimensional nanostructure of LDH and two dimensional nanosheets of g-C3N4. UV–Vis diffuse reflectance spectroscopy (UV-DRS) and photoluminescence (PL) analysis confirms the enriched light absorption and effective separation of photogenerated charge. …”
    Get full text
    Article
  5. 125

    Preparation of Hierarchical Structure Au/ZnO Composite for Enhanced Photocatalytic Performance: Characterization, Effects of Reaction Parameters, and Oxidizing Agent Investigations by Anh-Tuan Vu, Thi Anh Tuyet Pham, Xuan Truong Do, Van Anh Tran, Van Duong Le, Duc Duc Truong, The Huu Nguyen, Minh Viet Nguyen

    Published 2021-01-01
    “…As-prepared composites were characterized by UV-vis diffuse reflectance spectra (DR/UV-Vis), field emission scanning electron microscope (FESEM), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and electron paramagnetic resonance (EPR). …”
    Get full text
    Article
  6. 126

    Enhanced photocatalytic degradation of methylene blue using zinc vanadate nanomaterials with structural and electrochemical properties by N. Matinise, N. Botha, A. Fall, M. Maaza

    Published 2025-07-01
    “…The optical properties, crystalline structure, and composition of the nanomaterials were analysed using photoluminescence (PL), X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), Fourier-transform infrared spectroscopy (FTIR), and high-resolution transmission electron microscopy (HRTEM). …”
    Get full text
    Article
  7. 127

    Green Synthesis of Fe<sub>2</sub>O<sub>3</sub> Nanoparticles Using <i>Eucalyptus globulus</i> Leaf Extract on <i>Pinus radiata</i> Sawdust for Cationic Dye Adsorption by Pablo Salgado, Eduardo Aedo, Gladys Vidal

    Published 2024-11-01
    “…The morphology and structure of Fe<sub>2</sub>O<sub>3</sub>@PS were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and UV–Vis diffuse reflectance. The adsorption capacity of the system was evaluated by testing its ability to remove the Rhodamine B (RhB) dye. …”
    Get full text
    Article
  8. 128

    Synthesis and Photocatalytic Activity of Mo-Doped TiO2 Nanoparticles by Ji-guo Huang, Xue-ting Guo, Bo Wang, Lin-yang Li, Mei-xia Zhao, Li-li Dong, Xing-juan Liu, Yu-ting Huang

    Published 2015-01-01
    “…The as-prepared samples were characterized by X-ray diffraction (XRD), diffuse reflectance UV-visible absorption spectra (UV-vis DRS), X-ray photoelectron spectra (XPS), and transmission electron microscopy (TEM). …”
    Get full text
    Article
  9. 129

    Radiative recombination model for BiSeI microcrystals: unveiling deep defects through photoluminescence by Marc Dolcet Sadurni, Jüri Krustok, Kristi Timmo, Valdek Mikli, Rokas Kondrotas, Maarja Grossberg-Kuusk, Marit Kauk-Kuusik

    Published 2024-01-01
    “…Both indirect and direct band gap energies of BiSeI were determined by ultraviolet–visible–near-infrared diffuse reflectance spectroscopy, with room temperature values of 1.17 eV and 1.29 eV, respectively. …”
    Get full text
    Article
  10. 130

    Facile one-pot synthesis of photoresponsive Cu1.8S and CuInS2 nanostructures aided by Cu-pyrimidylthiolate molecular precursor by Suraj Peerappa Yadav, Adish Tyagi, Alpa Y. Shah, Deepak Tyagi, Sanjay Kumar, Gourab Karmakar, Rohit Singh Chauhan, Afsar Ali Siddiki

    Published 2025-04-01
    “…Electron microscopic studies revealed the formation of polygonal and hexagonal morphology with varied size in Cu1.8S and CuInS₂ nanocrystals respectively. UV-Vis diffuse reflectance spectroscopy showed a slight blue shift in the band gap of the nanostructures compared to their bulk counterparts which can be attributed to quantum confinement or surface lattice distortion effects. …”
    Get full text
    Article
  11. 131

    Nigella Sativa-mediated Synthesis of BiVO4/g-C3N4 Composites for the Removal of Methylene Blue Dye by Ghinatanitha Haqqu Haryadinaru, Tien Setyaningtyas, Anung Riapanitra

    Published 2025-08-01
    “…The composites were synthesized using a coprecipitation method and characterized through various techniques, including X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), UV-Vis diffuse reflectance spectroscopy (DRS), Brunauer-Emmett-Teller (BET) surface area analysis, and scanning electron microscopy (SEM) to determine their crystal structure, chemical composition, morphology, adsorption and photocatalytic abilities. …”
    Get full text
    Article
  12. 132

    Facile Fabrication of CuO Modified TiO<sub>2</sub> Heterostructure for Enhanced Photocathodic Corrosion Protection of 304 Stainless Steel by Abinaya Radhakrishnan, Manoja Tharmaraj, Anuradha Ramani, Nagarajan Srinivasan

    Published 2025-06-01
    “…Surface characterization showed uniform, porous coatings with pore sizes ranging from 75 to 200 nm, which contributed to improved barrier properties. UV–visible diffuse reflectance spectroscopy (UV-DRS) demonstrated enhanced visible light absorption in the heterostructures. …”
    Get full text
    Article
  13. 133

    Hydrothermal Synthesis of Nanocomposites Combining Tungsten Trioxide and Zinc Oxide Nanosheet Arrays for Improved Photocatalytic Degradation of Organic Dye by Chien-Yie Tsay, Tao-Ying Hsu, Gang-Juan Lee, Chin-Yi Chen, Yu-Cheng Chang, Jing-Heng Chen, Jerry J. Wu

    Published 2025-05-01
    “…X-ray diffraction (XRD) analysis revealed the presence of hexagonal WO<sub>3</sub> and wurtzite ZnO crystal phases. UV-Vis diffuse reflectance spectroscopy showed that integrating ZnO nanostructures with WO<sub>3</sub> nanosheets resulted in a blue shift of the absorption edge and a reduced absorption capacity in the visible-light region. …”
    Get full text
    Article
  14. 134

    VIS-NIR-SWIR spectroscopic mapping for classification of hydrothermal-metasomatic alterations on the flanks of the Stolbovoe uranium deposit (Eastern Cis-Sayan) by E. N. Karmanov, N. V. Ledeneva, V. A. Rassulov, A. V. Tomashev

    Published 2022-06-01
    “…The instrument was used to measure diffuse reflectance spectra in the Ultraviolet-Visible-Short-Wave Infrared (UV-Vis-SWIR) ranges; the composition of various mineral phases was determined using the TSGVersion 7 database and software.Results. …”
    Get full text
    Article
  15. 135

    TiO2 material loaded on LDH/MIL-101(Fe) is doped with La and Fe to effectively remove pyridine: “Performance and mechanism” by Wei Zhang, Ku Yu, Wang Aihe

    Published 2025-07-01
    “…The synthesized LDH/MIL-101(Fe)/La-Fe-TiO2 composite was systematically characterized using scanning electron microscopy (SEM), UV–Vis diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and Brunauer-Emmett-Teller (BET) analysis. …”
    Get full text
    Article
  16. 136

    Preparation of CdO Rhombus-like Nanostructure and Its Photocatalytic Degradation of Azo Dyes from Aqueous Solution by Azadeh Tadjarodi, Mina Imani, Hamed Kerdari, Keyvan Bijanzad, Dorsan Khaledi, Maryam Rad

    Published 2014-05-01
    “…The band gap energy of 1.9 eV based on a diffuse reflectance spectroscopy (DRS) showed that the product can be favourable to photoactivity in the visible region of sunlight. …”
    Get full text
    Article
  17. 137

    Sodium cation exchanged zeolites for direct air capture of CO2 by Do Yeong Kim, Wo Bin Bae, Haehyun Min, Kyeong-Hun Ryu, Sungjoon Kweon, Linh Mai Tran, Young Jin Kim, Min Bum Park, Sung Bong Kang

    Published 2025-01-01
    “…This study systematically investigated the CO2 adsorption-desorption performance of the representative zeolites (ZSM-5, Beta, Mordenite and Y) in H- and Na-forms using various analytical methods, including in-situ Diffuse Reflectance Infrared Fourier Transform spectroscopy. …”
    Get full text
    Article
  18. 138

    Novel CaCO3/g-C3N4 composites with enhanced charge separation and photocatalytic activity by Peng Lu, Xueli Hu, Yujie Li, Yazhou Peng, Meng Zhang, Xue Jiang, Youzhou He, Min Fu, Fan Dong, Zhi Zhang

    Published 2019-12-01
    “…The as-prepared samples were characterized using various techniques, such as scanning and transmission electron microscopy, X-ray diffraction, Brunauer-Emmett-Teller analysis, as well as Fourier-transform infrared, X-ray photoelectron, photoluminescence, and UV–vis diffuse reflectance spectroscopy. The results of the experiments confirm the successful coupling of CaCO3 to g-C3N4. …”
    Get full text
    Article
  19. 139
  20. 140

    Improved photocatalytic performance of Ce substituted lanthanum ferrite nanoparticles for the degradation of harmful antibiotic tetracycline from water by S. Adline Benila, V. Anslin Ferby, P. Sakthivel

    Published 2025-06-01
    “…The structural, morphological, compositional and optical properties of prepared photocatalysts were characterised by X-ray Diffraction, Fourier transform infrared spectroscopy, High-resolution scanning electron microscopy, High-resolution transmission electron microscopy, Energy dispersive X-ray spectroscopy and Ultraviolet diffuse reflectance spectroscopy respectively. XRD validated the orthorhombic crystal structure of nanoparticles in the Pbnmspace groupwith the reduction of average crystallite size from 32.74 to 24.97 nm upon Ce substitution. …”
    Get full text
    Article