A5002972937- Magnetic Properties and Synthesis of Ferrites
- Advanced Photocatalysis Techniques
- Electrospun Nanofibers in Biomedical Applications
- Copper-based nanomaterials and applications
- Multiferroics and related materials
- Pigment Synthesis and Properties
- Iron oxide chemistry and applications
- Nanoparticles: synthesis and applications
- Nanomaterials for catalytic reactions
- Quantum Dots Synthesis And Properties
- Conducting polymers and applications
- Environmental Engineering and Cultural Studies
- Magnesium Oxide Properties and Applications
- Nanoparticle-Based Drug Delivery
- Gold and Silver Nanoparticles Synthesis and Applications
- Moringa oleifera research and applications
- Electromagnetic wave absorption materials
- Polymer composites and self-healing
- Additive Manufacturing and 3D Printing Technologies
- Advanced biosensing and bioanalysis techniques
- Educational Methods and Media Use
- TiO2 Photocatalysis and Solar Cells
- Geotechnical and construction materials studies
- Polymer Nanocomposite Synthesis and Irradiation
- Material Properties and Applications
Universitas Gadjah Mada
2016-2024
Sumatera Institute of Technology
2018-2024
The reusability of CoFe 2 O 4 @ZnO core–shell nanoparticles (NPs) for the photocatalytic degradation methylene blue (MB) under UV radiation was successfully investigated. NPs with various –to–ZnO concentration ratios were synthesized as magnetic photocatalysts. X-ray diffraction spectra showed that had a cubic spinel ferrite phase structure and hexagonal wurtzite ZnO. Fourier-transform infrared presence M oct -O, tet Zn–O at 593, 347–389, 410–429 cm −1 , respectively. saturation...
This study focused on the green synthesis of Fe3O4/Chitosan (Cs) nanocomposites using Moringa oleifera leaf extract, which showed good photocatalytic activity when exposed to ultraviolet (UV) irradiation. X-ray diffraction spectrum Fe3O4/Cs informs cubic inverse spinel and has crystallite size in 10.1 – 11.7 nm range. The also increased with increase Cs mass. morphology Fe3O4 was nearly spherical. transmission electron microscope most uniform at around 17.1 nm. Fourier transform infrared...
The investigation of the efficiency recycling, rapid separation, high catalytic performance photocatalyst materials, and properties material after photocatalytic process (after use) are considered important for photodegradation applications. Green-synthesized hybrid magnetic/semiconductor nanocomposites utilizing Moringa oleifera leaf extract exhibit excellent reusability under ultraviolet (UV) irradiation. In this study, CoFe2O4/TiO2 were investigated as photocatalysts. green-synthesized...
The development of targeted cancer therapies is crucial to reducing harmful patient side effects. incorporation magnetic and fluorescent nanoparticles as heat mediators in hyperthermia a novel efficient strategy. This study investigated the potential CoFe2O4/ZnS composite nanoparticles, successfully fabricated using green synthesis method with Moringa oleifera leaf extract, agents. X-ray diffraction spectra demonstrated existence CoFe2O4 cubic spinel ferrite ZnS zinc-blend phases...
Abstract In this study, combination of ferromagnetic and semiconductor CoFe 2 O 4 /TiO nanocomposites was synthesised using a green synthesis method with Moringa oleifera leaf extract to easily obtain magnetically separated nanomaterial exhibiting high photocatalytic activity. Nanocomposites different molar ratios were identified x-ray diffraction (XRD), transmission electron microscopy, X-ray fluorescence, Fourier transform infrared spectroscopy, UV–visible vibration sample magnetometer....
Owing to their significant roles in multiple sectors, the demand for high-performance, rapid, user-friendly, and low-cost sensors is crucial biosensing. This paper reports performance of a commercial chip-based tunneling magnetoresistance (TMR) sensor detecting green-synthesized magnetic nanoparticles (MNP) as potential labels. A Simple design consisting TMR chip ALT-025 integrated with an Arduino microcontroller basic differential amplifier was developed provide real-time measurable digital...
MgFe2O4 has been successfully synthesized by coprecipitation method. The Precursors used are MgCl2.6H2O (magnesium chloride hexa-hydrate, Mr = 203.205 g/mol) and FeCl3. 6H2O (ferric 270.19 NaOH (sodium hydroxide, 39.99 as coprecipitant. This synthesis process was done varying the concentration, temperature stirring duration. XRD analysis results showed that grain size increases with decreases increase in concentration of duration stirring. smallest is 2.1 nm largest 10 nm. Analysis magnetic...
Karakterisasi dan pengujian sifat kemagnetan pasir besi ekstraksi di Wilayah Lampung Tengah telah dilakukan. Penelitian ini bertujuan untuk mengetahui kandungan mineral dari daerah Bekri Kabupaten dengan menggunakan metode presipitasi basa. dilakukan Laboratorium Fisika, Institut Teknologi Sumatera pada bulan Juni hingga September 2018. Kandungan dianalisis X-Ray Diffractometer (XRD). Hasil analisis variasi suhu 80oC, 120oC, 160oC berturut-turut berukuran 33.76 nm, 11.84 nm 11.14 nm....
In this paper, reports the influence of polyethylene glycol (PEG-4000) and silica on crystal structure magnetic properties MgFe2O4 nanoparticles which is synthesized by co-precipitation method. The particle size before coated was around 10.5 nm, became 5.2 nm after PEG-4000 coating 18.8 coating. After coating, there were appeared new phases, α-Fe2O3 (antiferromagnetic), SiO2 γ-FeO(OH) are paramagnetics. second phase sample decreased responses to external field. Transmission Electron...
Eco-friendly and effective separation of photocatalytic nanoparticles from the reaction mixture is crucial to facilitate their repeated use in photocatalysis. The development magnetic/semiconductor nanocomposites with high catalytic performance easy an efficient strategy for wastewater treatments. In this study, we explore potential combination magnetic (CoFe2O4) semiconductor (ZnS) synthesized via a green approach using Moringa oleifera leaf extract as magnetically separable photocatalysts...
Magnesium Ferrite (MgFe2O4) magnetic nanoparticles have been successfully carried out by varying the concentrations of PEG-4000 and silica as encapsulation materials using coprecipitation methods. The X-ray Diffraction (XRD) analysis showed that new phases appeared in MgFe2O4 after encapsulation, ie α-Fe2O3 having a paramagnetic rhombohedral γ-FeO (OH) structure. particle size before was 10.5 nm, with became 5.2 nm 18.8 nm. In silica, peak diffraction field 222 which is crystal appears....
Characteristics and Mineral Content of Lampung Tengah Ironsands. This study is carried out to investigate the characteristics mineral content ironsands from Bekri, Regency by using precipitation method. The research was conducted in Physics Laboratory Institut Teknologi Sumatera June September 2018. sand analayzed with X-Ray Diffractometer. extraction varied temperature stirring time. 80oC, 120oC, dan 160oC yields different size; 33.76 nm, 11.84 nm 11.14 nm. Meanwhile, for 2 hours, 4 hours 6...
Telah dilakukan sintesis biodiesel dari CPO parit yaitu fraksi minyak pada limbah cair pabrik CPO. Sintesis 2 tahap, esterifikasi untuk mengkonversi asam lemak bebas menjadi metil ester dan dilanjutkan dengan transesterifikasi trigliserida ester. Katalis yang digunakan berbasis Zeolit Alam Lampung (ZAL) dimodifikasi H SO 4 0,5 M (H-ZAL) sebagai katalis dalam tahap esterifikasi. berikutnya ZAL KOH (OH-ZAL) diuji aktivitas katalitiknya reaksi transesterifikasi. Konsentrasi divariasikan...
Along with the development of nanotechnology, solar cells entered a significant stage emergence newest generation, namely DSSC (Dye Sensitized Solar Cell). The utilization dragon fruit skin which has been extracted as dye in sensitized and cell to realize sustainable energy supply is main target this study. method carried out begins synthesis nanoparticles from organic material (TiO2), obtain good TiO2 an anti-reflection, where anti-reflection selected on technology reduce light reflection...