Search alternatives:
efficient » efficiency (Expand Search)
Showing 101 - 120 results of 222 for search 'diffuse reflectance efficient', query time: 0.08s Refine Results
  1. 101

    Photo-Enhanced Peroxymonosulfate Activation via Well-Dispersed Cobalt Nanoparticles Encapsulated on Carbon Nitride for 2,8-Dichlorodibenzo-p-dioxin Removal by Yao Yue, Teer Wen, Yunfei He, Xuetong Qu, Jibo Dou, Yuchi Zhong, Jiafeng Ding, Hangjun Zhang

    Published 2025-04-01
    “…The catalysts prepared were characterized using SEM, XPS, photoluminescence (PL), and UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). Among them, 2CoCN with an optimal Co content exhibited the highest photocatalytic efficiency, achieving 90.5% degradation of 2,8-DCDD within 160 min under visible light/persulfate oxidation (Vis+PMS+2CoCN system). …”
    Get full text
    Article
  2. 102

    Experimental Study on Bioluminescence Tomography with Multimodality Fusion by Yujie Lv, Jie Tian, Wenxiang Cong, Ge Wang

    Published 2007-01-01
    “…To verify the influence of a priori information on the nonuniqueness problem of bioluminescence tomography (BLT), the multimodality imaging fusion based BLT experiment is performed by multiview noncontact detection mode, which incorporates the anatomical information obtained by the microCT scanner and the background optical properties based on diffuse reflectance measurements. In the reconstruction procedure, the utilization of adaptive finite element methods (FEMs) and a priori permissible source region refines the reconstructed results and improves numerical robustness and efficiency. …”
    Get full text
    Article
  3. 103

    Controllable Synthesis of Zn2GeO4 Nanorods for Photocatalytic Reduction of Aqueous Cr(VI) and Oxidation of Organic Pollutants by Jin Liu, Xiaodan Jin, Yurong Shi, Mingming Qiao

    Published 2015-01-01
    “…The composition, morphology, and optical properties of as-synthesized Zn2GeO4 samples were characterized by X-ray diffraction, scan electron microscopy, and UV-vis diffuse reflectance spectra. The photocatalytic properties of Zn2GeO4 nanorods were evaluated by the reduction of Cr(VI) and oxidation of organic pollutants in aqueous solution. …”
    Get full text
    Article
  4. 104

    Graphene-Doped Titanium Niobate for the Hydrogen Production by Samara Letiéle dos Santos, Annelise Kopp Alves

    Published 2025-07-01
    “…The electrocatalysts were characterized by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), diffuse reflectance and linear voltammetry to analyze the thermal properties, morphology, band gap and electrolytic performance, respectively. …”
    Get full text
    Article
  5. 105

    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
  6. 106

    Doping of commercial TiO2 nanoparticles (UV100) with urea and investigation of their photocatalytic activity in removing an environmental pollutant (C.I. Acid Red 27) under visible... by Zahra Mahmoudi

    Published 2024-12-01
    “…The characteristics of the doped nanoparticles were analyzed using X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), BET, and X-ray photoelectron spectroscopy (XPS). …”
    Get full text
    Article
  7. 107

    Prussian Blue Analogue-Derived p-n Junction Heterostructure for Photothermal Reverse Water–Gas Shift: Enhanced Activity and Selectivity via Synergistic Effects by Shaorui Jia, Xinbo Zhang, Junhong Ma, Chaoyun Ma, Xue Yu, Yuanhao Wang

    Published 2025-06-01
    “…In situ diffuse reflectance infrared Fourier transform spectroscopy (in situ DRIFTS) investigations have identified COOH* as a critical reaction intermediate and elucidated that photoexcitation accelerates charge carrier dynamics, thereby substantially promoting the conversion of key intermediates (CO<sub>2</sub>* and CO*) and overall reaction kinetics. …”
    Get full text
    Article
  8. 108
  9. 109

    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
  10. 110

    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
  11. 111

    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
  12. 112

    Enhanced photocatalytic degradation of Rhodamine B using polyaniline-coated XTiO3(X = Co, Ni) nanocomposites by Mariyem Abouri, Abdellah Benzaouak, Mohamed Elouardi, Lahcen El Hamdaoui, Fatima Zaaboul, Khalil Azzaoui, Belkheir Hammouti, Rachid Sabbahi, Shehdeh Jodeh, Mohammed Alaoui El Belghiti, Adnane El Hamidi

    Published 2025-01-01
    “…At the same time, Fourier transform infrared spectroscopy (FTIR) verified the successful deposition of PANI through characteristic functional group vibrations. Diffuse reflectance spectroscopy (DRS) revealed reduced band gaps of 2.63 eV for 1wt.% PANI@NiTiO3 and 2.46 eV for 1wt.% PANI@CoTiO3, enhancing light absorption across UV and visible ranges. …”
    Get full text
    Article
  13. 113

    Photocatalytic degradation of antibiotic enrofloxacin under solar light using ZnO and Bi2MoO6 materials by Wei Qinzheng, Lam Sze-Mun, Li Haixiang, Sin Jin-Chung

    Published 2025-01-01
    “…The resulting materials underwent comprehensive characterization using techniques such as scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible diffuse reflectance spectroscopy (UV-vis DRS), and photoluminescence spectroscopy (PL) to investigate their physical, chemical, and optical properties. …”
    Get full text
    Article
  14. 114

    Optimization of photocatalytic degradation of sulfamethoxazole from wastewater using developed N-doped TiO2/biochar by Hailu Ashebir, Saeideh Babaee, Palesa Diale, Abebe Worku, T.A.M. Msagati, Jemal Fito Nure

    Published 2025-06-01
    “…Characterization via X-ray diffraction (XRD) showed a predominant anatase phase, Diffuse Reflectance Spectroscopy (DRS) indicated a bandgap of 2.56 eV, and Fourier Transform Infrared Spectroscopy (FTIR) confirmed nitrogen doping. …”
    Get full text
    Article
  15. 115

    Synthesis and Characterization of SCDs/TiO2 Composite by Anthoni Batahan Aritonang, Ajuk Sapar, Heni Puspita Sari, Puji Ardiningsih, Adhitiyawarman Adhitiyawarman

    Published 2022-12-01
    “…SCDs/TiO2 was then visually observed under UV 365 nm and characterized by UV-Vis diffuse reflectance spectrophotometry (UV-Vis/DRS), Photoluminescence (PL) spectroscopy, Fourier transform infrared (FT-IR), and X-ray diffraction (XRD). …”
    Get full text
    Article
  16. 116

    Photocatalytic degradation of methylene blue and tetracycline under visible light by fabricated carbon quantum dot decorated TiO2 nanotubes by Jyoti Rawat, Charu Dwivedi, Pankaj Sharma

    Published 2025-12-01
    “…This work presents the synthesis of CQD decorated TiO2 nanotubes (CQDs/TNTs) from CQD-decorated TiO2 (CQDs/TiO2) using the hydrothermal method. UV-Vis diffuse reflectance spectroscopy (UV-DRS) reveals that TiO2 nanoparticles (NPs) have a band gap of 3.02 eV, while CQDs/TNTs exhibit a band gap of 2.89 eV. …”
    Get full text
    Article
  17. 117

    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
  18. 118

    Antifungal and Photocatalytic Activities of ZnO Nanoparticles using Phyllanthus Emblica Leaf Extract by Anbuvannan Mari, Maria Vinosel Vincent, Ramesh Mookkaiah, Dhatshanamurthi Pachiyappan, Uvarajan Sambath

    Published 2024-10-01
    “…We utilized X-ray diffraction (XRD), UV-visible diffuse reflectance spectroscopy (UV-DRS), Fourier-transform infrared (FTIR) spectroscopy, field-emission scanning electron microscopy (FE-SEM), energy dispersive X-Ray analysis (EDX), and transmission electron microscopy (TEM). …”
    Get full text
    Article
  19. 119

    Synthesis, Characterization, and Photocatalytic Activity of TiO2 Microspheres Functionalized with Porphyrin by Jin-Hua Cai, Jin-Wang Huang, Han-Cheng Yu, Liang-Nian Ji

    Published 2012-01-01
    “…In order to utilize visible light more efficiently in the photocatalytic reaction, TiO2 microspheres sensitized by 5-(4-allyloxy)phenyl-10,15,20-tri(4-methylphenyl)porphyrin (APTMPP) were prepared and characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), nitrogen physisorption, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and UV-vis diffuse reflectance spectroscopy, and so forth, The characterization results indicated that APTMPP-MPS-TiO2 was composed of the anatase crystal phase. …”
    Get full text
    Article
  20. 120

    Enhanced Photocatalytic Activity of BiOBr/ZnO Heterojunction Semiconductors Prepared by Facile Hydrothermal Method by Xiangchao Meng, Lingyun Jiang, Weiwen Wang, Zisheng Zhang

    Published 2015-01-01
    “…Meanwhile, the optical properties of the composites were measured by the diffuse reflectance spectra (DRS). The band gap of composites was also calculated using the classical Tauc equation and it was found to be around 3.0 eV. …”
    Get full text
    Article