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Journal articles on the topic 'FESEM technology'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Jaksch, H., and J.-P. Vermeulen. "New Developments in Gemini® Fesem Technology." Microscopy Today 13, no. 2 (2005): 8–11. http://dx.doi.org/10.1017/s1551929500051397.

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The Field Emission SEM was introduced to improve imaging resolution available with conventional SEMs with a tungsten source. Thermal assisted or Schottky Field Emission SEMs were introduced in s the nineties by a number of companies as a stable source to overcome the beam instability of the cold FESEMs introduced earlier. The Gemini® based Field Emission SEM launched by Zeiss 12 years ago has been designed from the beginning as a high stability FESEM with a relatively large multi-ported chamber. The drive to develop Gemini® technology was the need for a FESEM capable of ultra-high resolution p

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2

Gao, Ma, Huang, Hua, and Lan. "Deep Learning for Super-Resolution in a Field Emission Scanning Electron Microscope." AI 1, no. 1 (2019): 1–9. http://dx.doi.org/10.3390/ai1010001.

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A field emission scanning electron microscope (FESEM) is a complex scanning electron microscope with ultra-high-resolution image scanning, instant printing, and output storage capabilities. FESEMs have been widely used in fields such as materials science, biology, and medical science. However, owing to the balance between resolution and field of view (FOV), when locating a target using an FESEM, it is difficult to view specific details in an image with a large FOV and high resolution simultaneously. This paper presents a deep neural network to realize super-resolution of an FESEM image. This t

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3

Howard, J., D. Hammermeister, and J. McCarthy. "Designing, Building and Operating a Microcalorimeter Eds Outside a Cryogenic Research Facility." Microscopy and Microanalysis 7, S2 (2001): 1048–49. http://dx.doi.org/10.1017/s1431927600031317.

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In 1999 Thermo NORAN completed licensing agreements with NIST for the microcalorimeter x-ray spectrometer technology developed by Martinis, Irwin, Hilton and Wollman.Steady progress has been made to commercialize this technology.Briefly, the NIST microcalorimeter consists of a Transition Edge Sensor (TES) which measures the temperature rise in an absorber due to an incident photon. The sensor must be operated at temperatures below 100 milliKelvin, which is provided by an Adiabatic Demagnetization Refrigerator (ADR), coupled with a traditional liquid helium cryostat. Additional enabling technol

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4

Guisado, I. M., J. Purswani, L. Catón-Alcubierre, J. González-López, and C. Pozo. "Toxicity and biofilm-based selection for methyl tert-butyl ether bioremediation technology." Water Science and Technology 74, no. 12 (2016): 2889–97. http://dx.doi.org/10.2166/wst.2016.461.

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Extractive membrane biofilm reactor (EMBFR) technology offers productive solutions for volatile and semi-volatile compound removal from water bodies. In this study, the bacterial strains Paenibacillus etheri SH7T (CECT 8558), Agrobacterium sp. MS2 (CECT 8557) and Rhodococcus ruber strains A5 (CECT 8556), EE6 (CECT 8612) and EE1 (CECT 8555), previously isolated from fuel-contaminated sites, were tested for adherence on tubular semipermeable membranes in laboratory-scale systems designed for methyl tert-butyl ether (MTBE) bioremediation. Biofilm formation on the membrane surface was evaluated th

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5

Panessa-Warren, Barbara J., George T. Tortora, and John B. Warren. "High Resolution FESEM and TEM Reveal Bacterial Spore Attachment." Microscopy and Microanalysis 13, no. 4 (2007): 251–66. http://dx.doi.org/10.1017/s1431927607070651.

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Transmission electron microscopy (TEM) studies in the 1960s and early 1970s using conventional thin section and freeze fracture methodologies revealed ultrastructural bacterial spore appendages. However, the limited technology at that time necessitated the time-consuming process of imaging serial sections and reconstructing each structure. Consequently, the distribution and function of these appendages and their possible role in colonization or pathogenesis remained unknown. By combining high resolution field emission electron microscopy with TEM images of identical bacterial spore preparation

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Zhang, Guangyu, Dao Wang, Yao Xiao, Jiamu Dai, Wei Zhang, and Yu Zhang. "Fabrication of Ag Np-coated wetlace nonwoven fabric based on amino-terminated hyperbranched polymer." Nanotechnology Reviews 8, no. 1 (2019): 100–106. http://dx.doi.org/10.1515/ntrev-2019-0009.

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Abstract To prepare antibacterial fabrics with simple approach, wood pulp/viscose fibers and amino-capped silver nanoparticles (Ag NPs) solution were utilized to form Ag Nps-coated wetlace nonwove fabric. Characterization of the Ag Nps and prepared wetlace nonwoven fabric was performed in virtue of TEM, UV-vis, XRD, ICP-AES, FESEM, EDS mapping and antibacterial test. FESEM and EDS characterizations demonstrated the hierarchical and uniform coating of high-density Ag NPs on wood pulp fibers, and antibacterial test indicated the excellent antibacterial activity of prepared wetlace nonwoven fabri

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7

Matsunaga, H., M. Kiguchi, B. Roth, and P. D. Evans. "Visualisation of Metals in Pine Treated with Preservative Containing Copper and Iron Nanoparticles." IAWA Journal 29, no. 4 (2008): 387–96. http://dx.doi.org/10.1163/22941932-90000193.

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In this study we compared the ability of conventional and field-emission scanning-electron-microscopy (FESEM) and energy-dispersive analysis of X-rays (EDX) to visualise and map inorganic nano and microparticles in Southern pine (Pinus sp.) treated with an aqueous dispersion of micronised copper-carbonate and iron oxide. Conventional SEM-EDX was able to detect areas of the wood microstructure that contained higher concentrations of copper and iron, but EDX maps were affected by drift and specimens suffered beam damage. The high brightness of the FESEM's electron beam at low accelerating voltag

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8

Mahmood, Hassan N., Khalid H. Razeg, and Sabah M. Ali Ridha. "Study and Analysis of the Structural and Magnetic Properties of Nickel Iron Substituted with Different Proportions of Cerium." Pakistan Journal of Medical and Health Sciences 17, no. 2 (2023): 706–10. http://dx.doi.org/10.53350/pjmhs2023172706.

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Magnetic nanoferrites were prepared from nickel substituted with pure cerium ions by the following formula, NiCexFe2-xO4, where (x = 0.00, 0.02, 0.06, 0.08, 0.1) and in different proportions and weights using the chemical sol-gel method, after which it was calcined at 600, 800, and 1000 °C. And by using different characterization methods to examine the prepared powders such as X-ray diffractometer (XRD), scanning electron microscopy (FESEM) and vibration sample magnetometer (VSM). The X-ray diffraction patterns of the prepared samples confirmed the formation of single-phase soft magnetic nanop

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9

Zhou, Junying, Ailing Guo та Xiaobao Qi. "Cell envelope disruption of E. coli Exposed to ϵ-polylysine by FESEM and TEM technology". Scanning 35, № 6 (2013): 412–17. http://dx.doi.org/10.1002/sca.21086.

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10

Sabah Ahmed, Basil, Sabri Jasim Mohammad, and Ghuson H. Mohammed. "The Effect of Laser Energy on the Structural, Optical and Electrical Properties of CdO Nanomaterials Generated Using (PLD) Technology, and Fabrication a Gas Sensor." Tikrit Journal of Pure Science 29, no. 1 (2024): 107–18. http://dx.doi.org/10.25130/tjps.v29i1.1451.

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In this study, cadmium oxide (CdO) nanoparticles were synthesized using laser produced plasma technology with varying energy levels (300, 400, 500, and 600) mJ. These nanoparticles were deposited as a thin layers on glass surfaces (at a rate of 100 pulses). They were examined structurally and optically using a Scanning Electron Microscope (FESEM), X-Ray spectrophotometer (XRD), Atomic Force Microscope (AFM), and UV-visible spectrophotometer. The energy gap of the films varied from (1.5 eV) to (2.1 eV). We note that the energy gap decreases with increasing laser intensity. The FESEM and AFM ima

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11

Mahmood, Qahtan A., Basma Abbas Abdulmajeed, and Rajesh Haldhar. "Oxidative Desulfurization of Simulated Diesel Fuel by Synthesized Tin Oxide Nano-Catalysts Support on Reduced Graphene Oxide." Iraqi Journal of Chemical and Petroleum Engineering 24, no. 4 (2023): 83–90. http://dx.doi.org/10.31699/ijcpe.2023.4.8.

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The modified Hummers method was applied to prepare graphene oxide (GO) from the graphite powder. Tin oxide nanoparticles with different loading (10-20 wt.%) supported on reduced graphene oxide were synthesized to evaluate the oxidative desulfurization efficiency. The catalyst was synthesized by the incipient wetness impregnation (IWI) technique. Different analysis methods like FT-IR, XRD, FESEM, AFM, and Brunauer-Emmett-Teller (BET) were utilized to characterize graphene oxide and catalysts. The XRD analysis showed that the average crystal size of graphene oxide was 6.05 nm. In addition, the F

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Roslan, Nurliana, Cik Rohaida Che Hak, and Abdul Rahman Norazumin. "Effect of particle size analysis on the physicochemical characterization of Malaysian monazite." IOP Conference Series: Materials Science and Engineering 1285, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1757-899x/1285/1/012007.

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Abstract Rare earth elements (REEs) are the elements that have become extremely important to our world of technology owing to their unique physical and chemical properties, and widely used in advanced technology. Monazite is one of the mineral phosphate that contain a high amount of REEs including thorium and a small amount of uranium. In Malaysia, monazite is exist as by-product (‘amang’) from tin mining originated from Ipoh, Perak. The objective of this study is to determine the effects of the different particles size of raw and ground (milled) monazite on the physicochemical properties. The

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Li, Ya Ling, Xi Guo, Xiao Juan Feng, and Lu Hai Li. "Graphene Oxide for Ink-Jet Printing Technology." Applied Mechanics and Materials 748 (April 2015): 77–80. http://dx.doi.org/10.4028/www.scientific.net/amm.748.77.

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In order to acquire a suitable ink for ink-jet printing technology, a graphene oxide ink was explored based on the GO aqueous dispersion. The GO dispersion was characterized by field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD). The average particle diameter and zeta potential of the GO dispersion was determined by zeta potential & particle size analyzer. The GO ink is composed of 1,2-propanediol, diethylene glycol monobutyl ether, glycerol, polyvinyl pyrrolidone (PVP) and GO dispersion. The surface tension and viscosity of the GO ink was tested by surface tens

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14

Chyad, Fadhi, Akram Jabur, and Sabreen Abed. "Physical and Morphological Properties of Hard- Soft Ferrite Functionally Graded Materials." Al-Khwarizmi Engineering Journal 14, no. 1 (2018): 99–107. http://dx.doi.org/10.22153/https://doi.org/10.22153/kej.2018.10.007.

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Functionally graded materials (FGMs), with ceramic –ceramic constituents are fabricated using powder technology techniques. In this work three different sets of FGMs samples were designed in to 3 layers, 5 layers and 7 layers. The ceramic constituents were represented by hard ferrite (Barium ferrite) and soft ferrite (lithium ferrite). All samples sintered at constant temperature at 1100oC for 2 hrs. and characterized by FESEM. Some physical properties were measured for fabricated FGMs include apparent density, bulk density, porosity, shrinkage and hardness. The results indicated that the dens

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Chyad, Fadhi, Akram Jabur, and Sabreen Abed. "Physical and Morphological Properties of Hard- Soft Ferrite Functionally Graded Materials." Al-Khwarizmi Engineering Journal 14, no. 1 (2018): 99–107. http://dx.doi.org/10.22153/kej.2018.10.007.

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Functionally graded materials (FGMs), with ceramic –ceramic constituents are fabricated using powder technology techniques. In this work three different sets of FGMs samples were designed in to 3 layers, 5 layers and 7 layers. The ceramic constituents were represented by hard ferrite (Barium ferrite) and soft ferrite (lithium ferrite). All samples sintered at constant temperature at 1100oC for 2 hrs. and characterized by FESEM. Some physical properties were measured for fabricated FGMs include apparent density, bulk density, porosity, shrinkage and hardness. The results indicated that the dens

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16

Srinivas, Y., N. V. Krishna Prasad, and U. Naresh. "Ni substituted aluminum doped zinc titanate (AZNT) nano-particles: synthesis and characterization." Digest Journal of Nanomaterials and Biostructures 19, no. 4 (2024): 1517–31. http://dx.doi.org/10.15251/djnb.2024.194.1517.

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We synthesized a series of Nickel-substituted Aluminium doped Zinc Titanate (AZNT) nano-particles using hydrothermal method. The structure of synthesized samples was meticulously analyzed using X-ray diffractometer (XRD) while the lattice parameters, crystallite size and volume were calculated with utmost precision. The morphology was further examined using two advanced microscopy techniques Field Emission Scanning Electron Microscopy (FESEM) and Transmission Electron Microscopy (TEM). These techniques provide detailed imaging and analysis of nano-scale materials. FESEM involves usage of elect

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17

A. AZHAGURAJAN, M. K. MARICHELVAM, and L. PRAKASH. "EVALUATION OF FIREWORKS RESIDUE OBTAINED FROM THE FLASH POWDER CONTAINING ALUMINIUM AND BORON." Pollution Research 42, no. 01 (2023): 12–19. http://dx.doi.org/10.53550/pr.2023.v42i01.003.

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Herein, we report the characteristics of residues obtained after igniting the flash powder mixture consisting of varying amounts of Aluminium (Al) and Boron (B) with other energetic materials like potassium nitrate (KNO3 ) and sulphur (S). The nature of particulate matter collected after combustion was characterized through FESEM-EDX, FTIR, STA (TGA/DSC) and ICP spectrometer. FTIR spectra analysis reveals about the presence of various metal oxides, K2 S and K2 SO4 . On replacing aluminum by boron, more alkaline K2 S present in the residue was converted into the neutral K2 SO4 . FESEM with EDX

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18

Chew, Thiam Leng, Sie Hao Ding, Pei Ching Oh, Abdul Latif Ahmad, and Chii-Dong Ho. "Functionalized KIT-6/Polysulfone Mixed Matrix Membranes for Enhanced CO2/CH4 Gas Separation." Polymers 12, no. 10 (2020): 2312. http://dx.doi.org/10.3390/polym12102312.

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The development of mixed matrix membranes (MMMs) for effective gas separation has been gaining popularity in recent years. The current study aimed at the fabrication of MMMs incorporated with various loadings (0–4 wt%) of functionalized KIT-6 (NH2KIT-6) [KIT: Korea Advanced Institute of Science and Technology] for enhanced gas permeation and separation performance. NH2KIT-6 was characterized by field emission scanning electron microscope (FESEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), and N2 adsorption–desorption analysis. The fabricated membranes were subjected to FESEM a

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19

Palomar, Teresa, Marina Martínez-Weinbaum, Mario Aparicio, Laura Maestro-Guijarro, Marta Castillejo, and Mohamed Oujja. "Spectroscopic and Microscopic Characterization of Flashed Glasses from Stained Glass Windows." Applied Sciences 12, no. 11 (2022): 5760. http://dx.doi.org/10.3390/app12115760.

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Flashed glasses are composed of a base glass and a thin colored layer and have been used since medieval times in stained glass windows. Their study can be challenging because of their complex composition and multilayer structure. In the present work, a set of optical and spectroscopic techniques have been used for the characterization of a representative set of flashed glasses commonly used in the manufacture of stained glass windows. The structural and chemical composition of the pieces were investigated by optical microscopy, field emission scanning electron microscopy-energy dispersive X-ra

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20

Liu, Zhen, Dao Bao Sun, Wen Yang Dong, et al. "Poly(vinylidene fluoride) (PVDF) Membrane Preparation with an Ionic Liquid via Thermally Induced Phase Separation Melt Technology." Applied Mechanics and Materials 694 (November 2014): 462–65. http://dx.doi.org/10.4028/www.scientific.net/amm.694.462.

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Poly(vinylidene fluoride) (PVDF)/1-butyl-2,3-dimethylimidazolium Tetrafluoroborate ([BMMIm][BF4]) flat sheet membranes were made via thermally induced phase separation (TIPS) melt technology, and [BMMIm][BF4]) was used as a diluent. The prepared membranes were characterized using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) and etc. Furthermore, [BMMIm][BF4] as a liquid-diluent was effectively recovered by vacuum distillation. In conclusion, this work may provide a green and sustainable preparation method to pro

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Nigam, Aarushi. "Acoustic Performance Evaluation of Sugarcane Bagasse Using Ambient Sound Meter and Scanning Electron Microscopy." International Journal for Research in Applied Science and Engineering Technology 9, no. 9 (2021): 1985–96. http://dx.doi.org/10.22214/ijraset.2021.38284.

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Abstract: Non-stop research is afoot to replace synthetic materials with green-materials for sound absorption purposes. Employing of agricultural waste as building materials has been a successful trend throughout the years. This research targets to utilize sugarcane bagasse (SB) fibers as sound barriers with sodium silicate as an adhesive. The SB fibers were treated in an alkaline solution for delignification and to improve the surface morphology. The SB fibers were casted into sheet and further tested for sound transmission loss. Experimentation revealed that the fabricated sheets can be viab

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Obenholzner, J. H., H. Schroettner, P. Golob, and H. Delgado. "Particles from the plume of Popocatépetl volcano, Mexico — the FESEM/EDS approach." Geological Society, London, Special Publications 213, no. 1 (2003): 123–48. http://dx.doi.org/10.1144/gsl.sp.2003.213.01.08.

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23

Zhang, Qingshuo, Liuming Wei, Yutong Yang, et al. "Dyeing process and mechanism of eucalyptus veneer with Pterocarpus macrocarpus Kurz heartwood pigment as natural dye." BioResources 15, no. 4 (2020): 8925–43. http://dx.doi.org/10.15376/biores.15.4.8925-8943.

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To make full use of the processing residues of Pterocarpus macrocarpus Kurz and reduce the environmental pollution caused by synthetic dyes, natural dye was extracted from Dalbergia bariensis Pierre heartwood. The purpose of the work was to prepare natural dyes of Pterocarpus macrocarpus and identify the key color-producing components to better explore the mechanisms of combination between dyes and eucalyptus veneers. The main components of Pterocarpus macrocarpus heartwood were analyzed by ultra-high performance liquid chromatography with quadrupole-electrostatic field Orbitrap high resolutio

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Song, Z. J., W. Ran, and F. Y. Wei. "One-step approach for the synthesis of CoFe2O4@rGO core-shell nanocomposites as efficient adsorbent for removal of organic pollutants." Water Science and Technology 75, no. 2 (2016): 397–405. http://dx.doi.org/10.2166/wst.2016.520.

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CoFe2O4-reduced graphene oxide nanocomposites (CFG) have been successfully synthesized via one-step solvothermal method. The prepared CFG are characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, field emission scanning electron microscopy (FESEM), vibrating sample magnetometer and so on. The FESEM results show that CFG have uniform core-shell structure with an average diameter of about 75 nm and the thickness of the outer graphene shell is about 15–20 nm. The mass ratio of CoFe2O4 to graphene oxide is a key factor affecting the formation of core-shel

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Huq, A. K. Obidul, Rosiyah Yahya, and Habibun Nabi Muhammad Ekramul Mahmud. "Equilibrium, kinetics, and thermodynamics studies of polypyrrole adsorbent for arsenic ions." Water Supply 18, no. 1 (2017): 240–50. http://dx.doi.org/10.2166/ws.2017.078.

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Abstract Polypyrrole (PPy)-based adsorbents have successfully been prepared via oxidative polymerization in aqueous media as a new adsorbent for the removal of arsenic ions in a batch equilibrium system. The prepared adsorbent was characterized by the Brunauer–Emmet–Teller (BET) surface analyzer, field emission scanning electron microscopy (FESEM), and attenuated total reflectance–Fourier transform infrared spectroscopy (ATR-FTIR). The BET surface area and average particle size of the prepared PPy powder was 10.27 m2/g and ∼180–295 nm, respectively. Different adsorption parameters, such as ads

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Renzi, Monia, Paolo Pastorino, Francesca Provenza, Serena Anselmi, Antonietta Specchiulli, and Andrea Cavallo. "Integrated Analytical Approach: An Added Value in Environmental Diagnostics." Journal of Marine Science and Engineering 11, no. 1 (2023): 66. http://dx.doi.org/10.3390/jmse11010066.

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Environmental diagnostics are commonly used to identify anthropogenic influences in various environmental settings. However, the use of a single survey technique is limiting and leads to an incomplete and often inaccurate picture of reality. In this study, three real cases analyzing impacts on marine ecosystems have been presented to prove how the integration of different diagnostic techniques can be very beneficial to better understand the phenomena that occur as well as the impacts and associated damages. Studies combining classical diagnostics based on the determination of contaminant level

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Xiong, Ge, Hui Min Sun, Xue Yang, et al. "Effect of Synthetic Technology on the Properties of Co₂O₃ Powder." Solid State Phenomena 281 (August 2018): 46–51. http://dx.doi.org/10.4028/www.scientific.net/ssp.281.46.

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Ultrafine Co2O3powder was prepared via hydrothermal synthesis. The effect of technology on the performance of the superfine Co2O3powders was investigated, and the hydrothermal parameters in preparing Co2O3were gradually improved. In addition, the morphology and grain size of the Co2O3powder were analyzed by FESEM. Results show that reducing the salt–alkali molar ratio resulted in more uniform Co2O3powder and smaller particles, with average particle size of approximately 40 nm. Reaction time displayed little effect on the Co2O3powder, but the particle size decreased with the reaction time. The

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Yong, J., K. S. Koh, V. L. Wong, and S. S. Lim. "Formulation of Chitosan-Saponin Microbeads using Microfluidic Technology." IOP Conference Series: Materials Science and Engineering 1257, no. 1 (2022): 012030. http://dx.doi.org/10.1088/1757-899x/1257/1/012030.

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Abstract Type II diabetes mellitus caused adverse impact on almost 3.5 million patients locally. Conventional treatment for such disorder includes oral administration of anti-diabetic drugs or herbs supplement. However, the performance of this drugs in regulating blood glucose level is not too reliable due to the occurrence of weight gain, hypoglycaemia and low tolerability as well as structural breakdown of herbal supplements during consumption. In this project, an alternative approach was attempted by immobilising saponin, a known insulin stimulant extracted from plants (e.g. bitter gourd, e

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Sharmila, Mohamed, Ramasamy Jothi Mani, Chelliah Parvathiraja та ін. "Photocatalytic Dye Degradation and Bio-Insights of Honey-Produced α-Fe2O3 Nanoparticles". Water 14, № 15 (2022): 2301. http://dx.doi.org/10.3390/w14152301.

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Iron oxide nanoparticles are produced using simple auto combustion methods with honey as a metal-stabilizing and -reducing agent. Herein, α-Fe2O3 nanoparticles are produced using an iron nitrate precursor. These prepared samples are analyzed by an X-ray diffractometer (XRD), FTIR spectroscopy, UV-DRS, and a field-emission scanning electron microscope (FESEM) combined with energy-dispersive spectroscopy and a vibrating sample magnetometer (VSM). The XRD results confirm a rhombohedral structure with an R3c¯ space group single-phase formation of α-Fe2O3 in all samples. FESEM images reveal the dif

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Pare, Brijesh, Veer Singh Barde, Vijendra Singh Solanki, et al. "Green Synthesis and Characterization of LED-Irradiation-Responsive Nano ZnO Catalyst and Photocatalytic Mineralization of Malachite Green Dye." Water 14, no. 20 (2022): 3221. http://dx.doi.org/10.3390/w14203221.

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The green synthesis of nanoparticles is an emerging branch of nanotechnology in recent times, as it has numerous advantages such as sustainability, cost-effectiveness, biocompatibility, and eco-friendliness. In the present research work, the authors synthesized ZnO nanoparticles (ZnO NPs) by a green and eco-friendly method. The synthesized ZnO NPs were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and Fourier transform infrared (FTIR) spectroscopic techniques. The calculated average crystallite size of ZnO NPs was observed at 36.73 nm and FESEM

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Toibah, A. R., F. Misran, A. Shaaban, and Z. Mustafa. "Effect of pH condition during hydrothermal synthesis on the properties of hydroxyapatite from eggshell waste." Journal of Mechanical Engineering and Sciences 13, no. 2 (2019): 4958–69. http://dx.doi.org/10.15282/jmes.13.2.2019.14.0411.

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Hydroxyapatite (HA) powders were synthesized using eggshell waste through hydrothermal method to develop bioceramics materials for medical applications. The effects of the pH conditions during the synthesis on the phase behaviour, crystallite size, crystallinity and morphology of as-synthesized ceramic powders were evaluated. The XRD patterns showed that HA was only the main phase present in the as-synthesized powder after being calcined at 400°C. However, EDX measurement detected the presence of Mg as trace elements which originated from the eggshell as starting materials. The crystallite siz

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Miao, Qing Qing, Ying Mao Tang, Wen Wen Chen, et al. "Electrospun La³⁺-Doped ZnO Nanofibers with High Photocatalytic Activity for Rhodamine B Degradation." Advanced Materials Research 779-780 (September 2013): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amr.779-780.337.

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Grape-like structure La3+-doped ZnO nanofibers with different doping concentrations were prepared by electrospinning-calcination technology. The resultant nanofibers were characterized by field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), photoluminescence spectrum (PL) and X-ray photoelectron spectrum (XPS) respectively. The photocatalytic activities of the nanofibers for the degradation of Rhodamine B (RhB) in aqueous solution were studied. Results show that the doping concentration of La3+ ha

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Mousavi, S. A., Z. Arab Aboosadi, A. Mansourizadeh, and B. Honarvar. "Modification of porous polyetherimide hollow fiber membrane by dip-coating of Zonyl® BA for membrane distillation of dyeing wastewater." Water Science and Technology 83, no. 12 (2021): 3092–109. http://dx.doi.org/10.2166/wst.2021.201.

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Abstract Wetting and fouling have significantly affected the application of membrane distillation (MD). In this work, a dip-coating method was used for improving surface hydrophobicity of the polyetherimide (PEI) hollow fiber membrane. An air gap membrane distillation (AGMD) process was applied for treatment of the methylene blue (MB) solution. The porous PEI membrane was fabricated by a dry-wet spinning process and the hydrophobic 2-(Perfluoroalkyl) ethanol (Zonyl® BA) was used as the coating material. From FESEM, the modified PEI-Zonyl membrane showed an open structure with large finger-like

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Ratnawati, R., E. Enjarlis, Yuli Amalia Husnil, Marcelinus Christwardana, and S. Slamet. "Degradation of Phenol in Pharmaceutical Wastewater using TiO2/Pumice and O3/Active Carbon." Bulletin of Chemical Reaction Engineering & Catalysis 15, no. 1 (2019): 146–54. http://dx.doi.org/10.9767/bcrec.15.1.4432.146-154.

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Phenol is a toxic organic compound that detectable in the pharmaceutical wastewater, and therefore it should be eliminated. This study aims to degrade phenol in the pharmaceutical wastewater treatment using Advanced Oxidation Processes (AOPs) include the photocatalytic process applying Titanium Oxide (TiO2) that immobilized on pumice stone (PS), as well as ozone process with O3 and O3/granulated activated carbon (GAC). Degradation system used two configuration reactors that worked alternately at pH 3 and 9. Photocatalysis was conducted for 4 hours in the photoreactor that equipped with mercury

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Zhang, Xiwang, Jia Hong Pan, Weijiong Fu, Alan Jiahong Du, and Darren D. Sun. "TiO2 nanotube photocatalytic oxidation for water treatment." Water Supply 9, no. 1 (2009): 45–49. http://dx.doi.org/10.2166/ws.2009.075.

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Heterogeneous photocatalysis is a promising technology in addressing the incapability of current water technology. In this present paper, we proposed the fabrication of one-dimensional TiO2 nanotubes through hydrothermal method. Various techniques were used to characterize the nanotubes, i.e. FESEM, HRTEM, XRD and BET. Subsequently, the evaluation of photocatalytic oxidative (PCO) properties of TiO2 nanotubes are compared with the commercial TiO2 P25 (i.e. TiO2 powder) in PCO batch reactor. The TiO2 nanotubes show excellent performance with complete photodegradation of humic acid (HA) in compa

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N, Chandana, M. V. Ramana, and Ghanta Pushpa Chakrapani. "Studies on Rare-Earth Co-Doped: Calcium Tungstate Nano-Crystals." International Journal for Research in Applied Science and Engineering Technology 10, no. 9 (2022): 1226–31. http://dx.doi.org/10.22214/ijraset.2022.46795.

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Abstract: We report the synthesis of co-doped Calcium tungstate (CaWO4) nano-crystals with Gadolinium (Gd) and Neodymium (Nd) rare earth ions by hydrothermal synthesis method for the first time. The synthesized nano-crystals were characterized by Xray diffraction (XRD) with energy dispersive analysis of the X-rays (EDAX) and Field-emission scanning electron microscopy (FESEM), and photo-luminescence excitation studies. The phase of the nano-crystals under study was identified by X-ray diffraction (XRD). The Field-Emission Scanning Electron Microscope (FESEM) image shows that the synthesized na

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Sudarsono, Didik, Eriawan Rismana, and Slamet Slamet. "Synthesis of p-Aminophenol from p-Nitrophenol Using CuO-Nanoleaf/g-Al2O3 Catalyst." Bulletin of Chemical Reaction Engineering & Catalysis 17, no. 4 (2022): 850–61. http://dx.doi.org/10.9767/bcrec.17.4.16135.850-861.

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The CuO-nanoleaf/g-Al2O3 catalyst was synthesized through wet chemical impregnation and had promising catalytic activity in reducing p-Nitrophenol (PNP) into p-Aminophenol (PAP). The synthesis was conducted in situ with Ethylene Glycol as a stabilizer agent of the CuO-nanoleaf structure and g-Al2O3 as catalyst support with high adsorption ability. Furthermore, the crystal phase, morphology, element composition, and specific surface area were investigated by X-Ray Diﬀraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), and N2 adsorption-desorption, respectively. The XRD pattern s

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Chao, Yong Jun, Jun Jie Weng, Shao Guang Liu, Jian Li, and Jin Peng Sang. "The Structures and High Temperature Properties of FeMnCrNiAl/Cr₃C₂ Composite Coatings by High Velocity Arc Spraying." Applied Mechanics and Materials 130-134 (October 2011): 1532–38. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.1532.

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The FeMnCrNi/Cr3C2 inter metallic composite coatings are prepared by high velocity arc spraying (HVAS) technology on 20G steel. The properties, such as the microstructure, micro hardness, binding strength, high temperature oxidation, thermal shock resistance, and erosion in high temperature, are studied based on methods such as analysis of optical microscope, micro hardness, field emission scanning electron microscope (FESEM), and spectrum analysis. The result shows that FeMnCrNiAl/Cr3 C2 coatings, compared with 20G steel substrate, present higher micro hardness, binding strength and more exce

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Prajapat, Madhuri, Jai Lalita, Varsha Rajoriya, Amit, Birama Ram, and K. R. Genwa. "Fabrication of Thin Film Solar Cell Sensitized by Dye: Making Affordable via Natural Dye Extracted from Chenopodium album (Bathua)." Oriental Journal Of Chemistry 40, no. 6 (2024): 1841–46. https://doi.org/10.13005/ojc/400637.

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Dye-sensitized solar cell is an application of solar cell technology based on electrochemical principles. In these cells TiO2 photoelectrode layer absorbs the sensitive dye. The present study investigated the mechanism of this eco-friendly solar cell's fabrication sensitized by a natural dye Chenopodium album. The pigment, chlorophyll, was isolated from Chenopodium album (Bathua) and subjected to FTIR, UV-visible spectroscopy, and FESEM analysis. The solar cell's current-voltage (I-V) properties were tested using three different solvents: ethanol, dimethyl sulphoxide (DMSO) and isopropanol. Th

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Mousavi Nejad, Zohre, Ali Zamanian, Maryam Saeidifar, Hamid Reza Vanaei, and Mehdi Salar Amoli. "3D Bioprinting of Polycaprolactone-Based Scaffolds for Pulp-Dentin Regeneration: Investigation of Physicochemical and Biological Behavior." Polymers 13, no. 24 (2021): 4442. http://dx.doi.org/10.3390/polym13244442.

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In this study, two structurally different scaffolds, a polycaprolactone (PCL)/45S5 Bioglass (BG) composite and PCL/hyaluronic acid (HyA) were fabricated by 3D printing technology and were evaluated for the regeneration of dentin and pulp tissues, respectively. Their physicochemical characterization was performed by field emission scanning electron microscopy (FESEM) equipped with energy dispersive spectroscopy (EDS), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), atomic force microscopy (AFM), contact angle, and compressive strength tests. The results indicated that t

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Yang, Yan Yang, Hao Wang, Guo Lin Song, and Guo Yi Tang. "Dual-Functional Phase Change Nanocapsules Based on n-Octadecane Core and Polypyrrole Shell." Key Engineering Materials 697 (July 2016): 781–84. http://dx.doi.org/10.4028/www.scientific.net/kem.697.781.

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Phase change method is one of the efficient approach in resolving energy problem for solar energy storage. However, phase change materials seriously affect the heat storage system with low heat releasing and absorbing rate for poor thermal conductivity performance, which result in an inefficient thermal energy storage technology and uncertain economic perspective. In this paper, we prepared dual-functional phase change nanocapsules based on n-octadecane core and polypyrrole shell. Polypyrrole was employed to enhance the electric conductivity and thermal conductivity. The nanocapsules was chara

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Cui, Xue Mei, Gui Fu Ding, Yan Wang, Wen Jing Lu, and Hui Shen. "The Preparation, Characterization and Application of the CNTs Modified Electrode." Materials Science Forum 694 (July 2011): 838–41. http://dx.doi.org/10.4028/www.scientific.net/msf.694.838.

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We propose a novel preparation technology of CNTs modified electrode. CNTs are mixed with polymer into homogenate by mechanical ball grinder; spin homogenate into composite film; solidify and polish composite film; chemical etch polymer partly from the surface of the composite film, in order to keep part of the CNTs be inserted in polyimide and the remainder outside of film, then CNTs modified electrode can be got. The morphologies of CNTs modified electrode are observed by field emission scanning electron microscopy (FESEM). The application of CNTs modified electrode in alum solution battery

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ZENG, JUN, PENG TAO, CHANGEN XU, SEN WANG, and JINCHENG XU. "A NOVEL METHOD FOR PREPARING ZnSnO NANOFIBERS." Modern Physics Letters B 23, no. 23 (2009): 2755–61. http://dx.doi.org/10.1142/s0217984909020825.

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This paper reports that ZnSnO nanofibers (ZSNFs) were synthesized by thermal oxidation of ZnSn alloys. ZnSn alloys were prepared by cold press and sintering (powder metallurgy). The structure and optical properties were characterized by X-ray diffraction (XRD), micro-Raman scattering technology, field emission scanning electron microscopy (FESEM) and photoluminescence (PL) spectrum. The micro-Raman scattering spectra of ZSNFs show four Raman peaks at 574, 1156, 1729 and 2330 cm-1. The diameter and length of ZSNFs are about 50 nm and 60 μm, respectively. The room temperature PL spectra of ZSNFs

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Mohd Shukri, Nurasmat, Wan Azelee Wan Abu Bakar, Muhammad Reezhuan Russman, and Wan Nazwanie Wan Abdullah. "A Study on the Catalytic Technology for Reduction of Naphthenic Acid Compound from Acidic Crude Oil." Key Engineering Materials 908 (January 28, 2022): 429–34. http://dx.doi.org/10.4028/p-mwjz0x.

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The existence of naphthenic acid (NA) in acidic crude oil tends to corrode the oil refinery equipment. In this study, a catalytic deacidification reaction involving the deacidifying agent and the synthesised catalyst was aimed to eliminate NA from acidic crude oil. Diethanolamine-polyethylene glycol (DEA-PEG) was introduced as a deacidifying agent. The wet impregnation method was applied for synthesizing the calcium oxide catalyst doped by copper supported on alumina (Cu/Ca/Al2O3). The potential catalyst was characterised utilising field emission scanning electron microscopy-energy dispersive

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Li, Zhentao, Dameng Liu, Yidong Cai, Yunpeng Wang, and Juan Teng. "Adsorption pore structure and its fractal characteristics of coals by N2 adsorption/desorption and FESEM image analyses." Fuel 257 (December 2019): 116031. http://dx.doi.org/10.1016/j.fuel.2019.116031.

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Arundina, Ria Yolanda, Indri Permana, Ester Rimma Suryani Togatorop, et al. "Synthesis and Characterization of Activated Carbon from Lignocellulosic Biomass: Oil Palm Empty Fruit Bunches and Mahogany Sawdust." Jurnal Bahan Alam Terbarukan 10, no. 2 (2021): 81–88. http://dx.doi.org/10.15294/jbat.v10i2.33488.

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Lignocellulosic biomass is a biological residue from the agricultural or forestry industry which is composed of polymeric cellulose, hemicellulose, lignin, and other extractive components. One of the products in the utilization of lignocellulosic biomass waste is activated carbon products. In this study, two types of lignocellulosic biomass waste were used, namely Empty Palm Oil Bunches (OPEFB) and Mahogany Sawdust (MS) to be converted into activated carbon using the hydrothermal-pyrolysis method. Potassium hydroxide (KOH) was used as an activating agent at high concentrations (50% w/w) to imp

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Mat Rosid, Salmiah Jamal, Wan Azelee Wan Abu Bakar, and Rusmidah Ali. "Catalytic CO₂/H₂ Methanation Reaction over Alumina Supported Manganese/Cerium Oxide Based Catalysts." Advanced Materials Research 1107 (June 2015): 67–72. http://dx.doi.org/10.4028/www.scientific.net/amr.1107.67.

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The methanation reaction is a promising method for the purification of natural gas, in which the acid gases of CO2,is eliminated by catalytic conversion. The advantage of catalytic technology is the utilization of CO2present in the production of methane gas. The used of alumina supported cerium oxide as the based catalyst in CO2/H2methanation reaction have been investigated in this research by using manganese as the dopant and ruthenium as the co-dopantviawet impregnation technique. The series of cerium oxide catalysts were calcined at 400 °C for 5 hours had been prepared at the screening stag

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Deepti Gupta, Trapti Gupta, Ramphal Sharma, and Gunjan Soni. "Solution-Grown Transparent ZnS Ultra-Thin Nanostructured Films for Photocatalytic Degradation of Methyl Red." Journal of Nanoscience and Technology 10, no. 3 (2025): 1006–11. https://doi.org/10.30799/jnst.359.25100301.

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Rapid industrialization and urbanization have intensified global water contamination, necessitating sustainable and cost-effective treatment solutions. Semiconductor-based photocatalysis, which utilizes solar energy for advanced oxidation processes, offers a promising green technology. This study focuses on the synthesis of transparent zinc sulfide (ZnS) ultra-thin nanostructured films via chemical bath deposition (CBD) and their application in the photocatalytic degradation of methyl red dye, a common organic pollutant. The structural, morphological, and optical properties of ZnS films were a

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Talele, V. V. "A Chemical Synthesis of CdSnO 3 Nanoparticles and their Performance in Hydrogen Sensing." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 1652–58. http://dx.doi.org/10.22214/ijraset.2023.53942.

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Abstract: CdSnO3 nanoparticles were successfully synthesized without any templates by simple co-precipitation synthesis route. Further characterized by using X-ray diffraction (XRD) measurements, field emission scanning electron microscopy (FESEM) and Fourier transform infrared (FTIR) spectroscopy and their hydrogen sensing properties were investigated. The CdSnO3 nanoparticles exhibited outstanding gas sensing characteristics such as, higher gas response, extremely rapid response, fast recovery, excellent repeatability, good selectivity and at ambient operating temperature (~ 30C). Furthermo

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Orta de Velásquez, María Teresa, Isaura Yáñez Noguez, Beatriz Casasola Rodríguez, and Priscila Ivette Román Román. "Effects of ozone and chlorine disinfection on VBNCHelicobacter pyloriby molecular techniques and FESEM images." Environmental Technology 38, no. 6 (2016): 744–53. http://dx.doi.org/10.1080/09593330.2016.1210680.

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