Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites

• Madeleine K. Wilsey,
• Teona Taseska,
• Qishen Lyu,
• Connor P. Cox and
• Astrid M. Müller

Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26

• of the pulsed laser-grafted gold nanoparticle–carbon fiber paper composites (Figure 6B). Further, we did not observe any gold loss with respect to carbon in EDX data before and after 2 h of electrocatalysis (Supporting Information File 1, Figure S5). GC data show that pulsed laser-grafted cathodes

• scanning electron microscope with a Schottky field-emission emitter was operated at 20.00 kV with a working distance of 4.9 mm. Energy-dispersive X-ray (EDX) spectroscopy data were collected using an SEM-integrated EDAX Octane elect plus spectrometer with a with silicon drift detector. Double sided carbon

• hydrophilic carbon fiber paper (A) and pulsed laser-grafted gold nanoparticle–carbon fiber paper composites (B) with EDX maps showing carbon and gold. Schematic of the processes during pulsed laser in liquid grafting. The illustration of the laser beam in Figure 3 was adapted from [1] (© 2021 R. C. Forsythe

Synthesis and the impact of hydroxyapatite nanoparticles on the viability and activity of rhizobacteria

• Bedah Rupaedah,
• Indrika Novella,
• Atiek Rostika Noviyanti,
• Diana Rakhmawaty Eddy,
• Anna Safarrida,
• Abdul Hapid,
• Zhafira Amila Haqqa,
• Suryana Suryana,
• Irwan Kurnia and
• Fathiyah Inayatirrahmi

Beilstein J. Nanotechnol. 2025, 16, 216–228, doi:10.3762/bjnano.16.17

• of rhizobacteria on the nHA carrier after 28 days of incubation. SEM images of rhizobacteria loaded onto nHA. (a) nHA-Pd at 30,000× magnification, (b) nHA-Tb at 30,000× magnification, (c) nHA-Pd at 50,000× magnification, and (d) nHA-Tb at 50,000× magnification. EDX images of rhizobacteria loaded onto

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO₂ capture

• Charlotte Skjold Qvist Christensen,
• Nicholas Hansen,
• Mahboubeh Motadayen,
• Nina Lock,
• Martin Lahn Henriksen and
• Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

• MOF-based MMM system that perturb the crystallinity in the membrane will be discernable through XRD [121][129]. Energy-dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS) are commonly used to supplement the chemical analysis of MOF-based MMMs [113][137][143]. EDX can

TiO₂ immobilized on 2D mordenite: effect of hydrolysis conditions on structural, textural, and optical characteristics of the nanocomposites

• Marina G. Shelyapina,
• Rosario Isidro Yocupicio-Gaxiola,
• Gleb A. Valkovsky and
• Vitalii Petranovskii

Beilstein J. Nanotechnol. 2025, 16, 128–140, doi:10.3762/bjnano.16.12

• complementary characterization techniques, including XRD, SEM-EDX, TGA, N2 sorption, NMR, XPS and UV–vis spectrometry. It was observed that treatment in 70% ethanol solution preserves the ordered layered structure of 2D mordenite because TEOT hydrolysis is slowed down. This, in turn, leads to higher

• ) samples are labeled as Ti-WNh-C and Ti-ENh-C with N = 6, 12, and 24 for materials hydrolyzed in water (W) and 70% ethanol solution (E) for 6, 12, and 24 h, respectively. The non-calcined samples are designated as Ti-WNh and Ti-ENh. XRD, 27Al NMR, and SEM-EDX studies Figure 1a and Figure 1b show small

• and TEOT, studied in our previous work [5], for which even after hydrolysis for 12 h in water the long-range order of the lamellae was preserved. The results of the elemental analysis using energy dispersive X-ray (EDX) and X-ray photoelectron spectroscopy (XPS) of the parent lamellar sample and TiO2

Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258

• Prashantkumar Siddappa Chakra,
• Aishwarya Banakar,
• Shriram Narayan Puranik,
• Vishwas Kaveeshwar,
• C. R. Ravikumar and
• Devaraja Gayathri

Beilstein J. Nanotechnol. 2025, 16, 78–89, doi:10.3762/bjnano.16.8

• nanoparticles (ZnO NPs), utilizing lactic acid bacteria isolated from curd as the key biological agent. Bacteria function as agents for both reduction and capping processes, which aids the synthesis of ZnO NPs. Various characterization techniques including XRD, FTIR, UV–vis, TEM, SEM-EDX, and zeta potential

• ZnO NPs confirms the XRD results, that is, the hexagonal wurtzite structure (Figure 3). SEM and EDX analysis SEM was used to analyze the surface morphology of a modified nanocomposite film, and the image displays a consistent coverage of a web-like structure. Close-up views revealed a crumpled and

• wrinkled pattern, and it was found that the NPs average size was 72 nm. The presence of ZnO NPs on the surface was confirmed through EDX, which showed characteristic elemental peaks validating the composition (Figure 4a–d). Zeta potential The ZnO NPs synthesized using GP258 showed good stability as

Bioinspired nanofilament coatings for scale reduction on steel

• Siad Dahir Ali,
• Mette Heidemann Rasmussen,
• Jacopo Catalano,
• Christian Husum Frederiksen and
• Tobias Weidner

Beilstein J. Nanotechnol. 2025, 16, 25–34, doi:10.3762/bjnano.16.3

• expected for SNF coating are clearly visible from a coated steel surface. Figure 3B and Figure 3C show the images of the measured angle of the coated and uncoated steel surfaces. The related atomic composition of the coating was analyzed by energy-dispersive X-ray spectroscopy (EDX) for both coated steel

• in Figure 4A shows no damage of ablation of the structure. This is also supported by the EDX analysis, which shows that the composition is not changed within the error margins as the amount of oxygen and silicone remains constant in Figure 4B. The water contact angle (Figure 4C) is reduced a bit from

• sample shows significant scaling, small amounts of deposits are visible by the naked eye on the SNF-coated sample. This is also visible in the SEM images shown in Figure 6B. An EDX analysis of the scale clearly shows that the grown deposits mainly consist of calcium carbonate (Figure 6C). For a

Orientation-dependent photonic bandgaps in gold-dust weevil scales and their titania bioreplicates

• Norma Salvadores Farran,
• Limin Wang,
• Primoz Pirih and
• Bodo D. Wilts

Beilstein J. Nanotechnol. 2025, 16, 1–10, doi:10.3762/bjnano.16.1

• in-lens secondary electron detector at 5 kV acceleration voltage. These samples were coated with gold using a Cressington 208 HR sputter coater. Elemental analysis was performed with 8 kV acceleration voltage, using an EDX detector attached to the Zeiss SEM (X-Max silicon drift energy-dispersive

Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation

• Abhishek Das,
• Mangababu Akkanaboina,
• Jagannath Rathod,
• R. Sai Prasad Goud,
• Kanaka Ravi Kumar,
• Raghu C. Reddy,
• Ratheesh Ravendran,
• Katia Vutova,
• S. V. S. Nageswara Rao and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1639–1653, doi:10.3762/bjnano.15.129

• -dispersive X-ray spectroscopy (EDX, Figure 1b). Distilled water with a resistivity of more than 18 MΩ·cm was obtained from a Millipore system. Toluene and anisole (spectroscopic grade) were obtained from Sigma-Aldrich and used as received. Synthesis of nanoparticles and nanostructures A linearly polarised

• morphology was analysed using field-emission scanning electron microscopy (FESEM); the composition was determined by EDX attached to the FESEM (Carl Zeiss Smart SEM ULTRA 55). Reflectivity was investigated using a UV–vis–NIR spectrometer (PerkinElmer Lambda 750). For photoluminescence (PL) measurements, a

• carbides. For a given Hf target (regarding purity and surface roughness), the ablation products depend critically on the surrounding liquid, input pulse duration, input pulse energy, and the number of pulses incident on the sample. Figure 7 illustrates the EDX data for the particles synthesised in DW

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• , and Raman spectroscopy, as well as EDX and XRD revealed controlled aggregation, successful capping, and crystalline growth of the ʟ-car-AgNPs. The ʟ-car-AgNPs exhibited promising sensing capabilities with limits of detection of 141.79 ppb (1.2 μM) for Cd2+, 131.33 ppb (0.63 μM) for Pb2+, 215.35 ppb

• the diffraction pattern of ʟ-car-AgNPs were assessed using FTIR, Raman, EDX, and XRD, as shown in Figure 4. Figure 4a shows the FTIR analysis of pure ʟ-carnosine and its interaction with the silver nanoparticles in ʟ-car-AgNPs. In the case of pure ʟ-carnosine, a characteristic NH2 asymmetric

• the experimental results well. FTIR and Raman spectroscopy confirm the successful capping of silver nanoparticles with ʟ-carnosine. The presence of Ag in ʟ-carnosine-capped AgNPs was also assessed using SEM-EDX. Figure 4d and Figure 4e confirm that Ag is present in ʟ-car-AgNP1 and ʟ-car-AgNP2

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

• Thi Kim Ngan Nguyen,
• Tien Dat Doan,
• Huy Hieu Luu,
• Hoang Anh Nguyen,
• Thi Thu Ha Vu,
• Quang Hai Tran,
• Ha Tran Nguyen,
• Thanh Binh Dang,
• Thi Hai Yen Pham and
• Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

• the electrode blend, SEM and EDX mapping were used to investigate the distribution of CuBTC and FeBTC on the electrode surface (Figure 4). Figure 4a clearly shows the scattering of bright CuBTC and FeBTC particles on the graphite flakes. Figure 4b confirms the homogenous distribution of Fe, Cu, and O

• -ray spectroscopy (EDX, Horiba 7593-H, England), and X-ray photoelectron spectroscopy (XPS, Thermo VG Multilab 2000). Synthesis of CuBTC, FeBTC MOFs CuBTC and FeBTC were synthesized using the solvothermal method as described in our previous reports [37][38]. Specifically, 12 mmol of trimesic acid was

• ) and EDX maps of (Cu)(Fe)BTC@CPE (b). Nyquist plots of the modified electrodes in 0.1 M KCl solution containing 5 mM [Fe(CN)6]3−/4−. (a) Cyclic voltammograms of (Cu)(Fe)BTC@CPE and CPE electrodes in a 200 µM ENR solution in PBS at scan rate of 0.1 V/s The green line shows a voltammogram measured in ENR

Ion-induced surface reactions and deposition from Pt(CO)₂Cl₂ and Pt(CO)₂Br₂

• Mohammed K. Abdel-Rahman,
• Patrick M. Eckhert,
• Atul Chaudhary,
• Johnathon M. Johnson,
• Jo-Chi Yu,
• Lisa McElwee-White and
• D. Howard Fairbrother

Beilstein J. Nanotechnol. 2024, 15, 1427–1439, doi:10.3762/bjnano.15.115

• deposits formed under UHV conditions contained 58% Cl and 37% Pt with no detectable C or O signatures in EDX [55][57]. The AES and XPS data shown in Figure 6 as well as Figure S4 and Figure S5 (Supporting Information File 1) support the conclusions of the UHV studies, specifically that Pt(CO)2X2 can be

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• down to collect white products formed on Si substrates. They were characterized by scanning electron microscopy (SEM, JEOL-6330F) and energy-dispersive X-ray (EDX) spectroscopy. Renishaw’s RS and PL spectrometers operating with laser wavelengths of 488 and 325 nm were also employed to study phonon

• substrates. The analysis of their EDX spectra in the energy range of E = 0–20 keV shows the presence of Zn and O only, as representatively shown in Figure 1. It means that ZnO crystals were formed, and no impurity was generated during the material fabrication. Recorded SEM images indicate the products grown

• nanodevices. They also have potential applications in biological, biomedical, and environmental fields. A representative EDX spectrum recorded from ZnO nanorods showing the presence of Zn and O in the product. SEM micrographs of some nanostructures: (a, b) rods (R1 and R2), (c) matches or drumsticks (M), (d

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• the SG sample (Figure 4a), while larger, well-defined prismatic particles are found in the MW sample. EDX analysis highlights the presence of Mn in both samples. Fourier-transform infrared spectroscopy Figure 5 presents the FTIR spectra of the thermally treated samples, revealing the absence of bands

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

• Chi-Hien Dang,
• Le-Kim-Thuy Nguyen,
• Minh-Trong Tran,
• Van-Dung Le,
• Nguyen Minh Ty,
• T. Ngoc Han Pham,
• Hieu Vu-Quang,
• Tran Thi Kim Chi,
• Tran Thi Huong Giang,
• Nguyen Thi Thanh Tu and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

• synthesizing gold nanoparticles (AuNPs) within a glucosamine/alginate (GluN/Alg) nanocomposite via an ionotropic gelation mechanism in aqueous environment. The resulting nanocomposite, AuNPs@GluN/Alg, underwent thorough characterization using UV–vis, EDX, FTIR, SEM, TEM, SAED, and XRD analyses. The spherical

• indicating stretching vibrations of C–O bonds [34][35]. The FTIR spectra suggest the critical role of polysaccharides as stabilizing agents for AuNPs within the nanocomposite. EDX analysis (Figure 3C) was conducted to determine the elemental composition of AuNPs@GluN/Alg. Strong signals at approximately 2.2

• ). (A, B) Au3+ ions-to-gel ratio (w/w), (C, D) reaction temperature, and (E and F) reaction time. The upper photographs showing the corresponding color change. (A) Zeta potential curves, (B) FTIR spectra, (C) EDX spectrum and elemental composition (AuNPs@GluN/Alg only), and (D) TGA curves of GluN/Alg

Direct electron beam writing of silver using a β-diketonate precursor: first insights

• Katja Höflich,
• Krzysztof Maćkosz,
• Chinmai S. Jureddy,
• Aleksei Tsarapkin and
• Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

• in a field-emission Hitachi S-4800 SEM. The chemical composition of the deposits was determined using energy-dispersive X-ray (EDX) spectroscopy using a Hitachi S-4800 SEM equipped with an EDAX Genesis 4000 detector and a Tescan Mira dual-beam instrument with an EDAX EDX system. To prove for

• cluster by enhanced diffusion. Finally, the second halo region (H2) depicts similar particle sizes around below 20 nm sitting on top of larger bright areas of 50–250 nm. The composition of the different halo regions was studied by EDX. Because of the rich morphology observed in the deposit, no thin-film

• correction was applied. Instead, the EDX spectra were taken at different acceleration voltages to obtain independent data sets (see Supporting Information File 1 for an overview of all quantification results). The observed trend in composition was from a carbon-rich deposit in the central region to a

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• imaging due to the nonconductive nature of the FP substrate. FESEM energy-dispersive X-ray spectroscopy (EDX) mapping investigations were conducted on Ag/Au alloy NPs deposited on a Si substrate by drop casting 10 µL to avoid confusion in the data caused by the Au coating. Transmission electron microscopy

• ) AgAuD2, (c) AgAuD3, (d) AgAuN1, (e) AgAuN2, and (f) AgAuN3. It is evident from the FESEM images that the concentrations of loaded NPs were different, possibly due to the differences in their loading and the effect of NPs yield obtained at different laser wavelengths. Furthermore, recorded FESEM-EDX data

• confirms the occurrence of Ag, Au, Na, Cl, C, and O elements on the FP-AgAuN3 substrate, provided in Supporting Information File 1, Figure S4. To confirm the presence of Ag and Au in alloy NPs, an EDX mapping investigation was conducted on AgAuD3 NPs coated on a Si substrate. The color map image of a

Facile synthesis of Fe-based metal–organic frameworks from Fe₂O₃ nanoparticles and their application for CO₂/N₂ separation

• Van Nhieu Le,
• Hoai Duc Tran,
• Minh Tien Nguyen,
• Hai Bang Truong,
• Toan Minh Pham and
• Jinsoo Kim

Beilstein J. Nanotechnol. 2024, 15, 897–908, doi:10.3762/bjnano.15.74

• –Freundlich model (Table S1). CO2 uptake capacity on various adsorbents at 1 bar (Table S2). CO2 isotherms at several different temperature on M-100(Fe)@Fe2O3#1.80 sample (Figure S1). EDX mapping of elemental Fe and C on the M-100Fe@Fe2O3#1.80 sample (Figure S2). Supporting Information File 4: Additional

Water-assisted purification during electron beam-induced deposition of platinum and gold

• Cristiano Glessi,
• Fabian A. Polman and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

• subsequently sonicated for 2 min in acetone and for 2 min in isopropyl alcohol. All depositions were performed with both GIS nozzles inserted. Deposition, imaging, and EDX analysis were performed in immersion mode at a working distance of 5 mm. Deposition conditions In general, the main parameters that control

• –2.70 nA. In addition, a longer deposition experiment was performed for better EDX quantification at 0.54 nA (1a). Additional experiments include a Pt-only deposit for reference (1f) and a sample prepared for TEM analysis (1g). Except for 1f, all deposits were obtained at a deposition pressure of (4.6

• precursor only (2a–2f). Also, a line pattern was deposited and analysed (2g). EDX EDX measurements were performed in the same instrument using an Oxford Instruments X-MAX 80 detector. The working distance was kept at 5 mm to have the optimum EDX signal. All spectra were analysed using the Oxford Instruments

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

• Veronika Pálos,
• Krisztina S. Nagy,
• Rita Pázmány,
• Krisztina Juriga-Tóth,
• Bálint Budavári,
• Judit Domokos,
• Dóra Szabó,
• Ákos Zsembery and
• Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

• FTIR analysis, we used an energy-dispersive X-ray spectroscopy (EDX) detector during the SEM measurements to show the presence of salts in the fibers. The EDX spectra were taken at a voltage of 15 kV. Mechanical properties A mechanical testing machine (4952, Instron, USA) and the associated software

• of the salts was difficult to detect at this concentration, elemental analysis was performed with an EDX detector during the SEM experiments. In Supporting Information File 1, Figure S1, it can be seen that, in both cases, Zn and Sr appeared inside the fibers. The presence of the salts was

Effect of repeating hydrothermal growth processes and rapid thermal annealing on CuO thin film properties

• Monika Ozga,
• Eunika Zielony,
• Aleksandra Wierzbicka,
• Anna Wolska,
• Marcin Klepka,
• Marek Godlewski,
• Bogdan J. Kowalski and
• Bartłomiej S. Witkowski

Beilstein J. Nanotechnol. 2024, 15, 743–754, doi:10.3762/bjnano.15.62

• characterized using an analytical scanning electron microscope (SEM) Hitachi SU-70 with the X-ray microanalysis system (EDX) enabling composition analysis (Thermo Fisher Pathfinder system with a silicon drift detector). Additionally, in the study, a scanning probe microscope (Dimension Icon, Bruker) was used

• reduced carbon content, were achieved by annealing samples at 450 °C for 5 min in O2/N2 (1:1) atmosphere. Table 1 provides a summary of the average thicknesses and elemental content of the CuO films. Notably, EDX results demonstrate that the newly developed HT+RTA approach significantly reduces the carbon

• content in the CuO films. The chemical composition of such thin films determined using EDX is only an approximation. However, the obtained results demonstrate a clear trend of decreasing carbon content in the material with successive HT+RTA cycles. To validate those findings, additional XPS analyses were

Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO₂/graphene quantum dot-modified electrode

• Vu Ngoc Hoang,
• Dang Thi Ngoc Hoa,
• Nguyen Quang Man,
• Le Vu Truong Son,
• Le Van Thanh Son,
• Vo Thang Nguyen,
• Le Thi Hong Phong,
• Ly Hoang Diem,
• Kieu Chan Ly,
• Ho Sy Thang and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 719–732, doi:10.3762/bjnano.15.60

• Figure 3d were identified by HRTEM with an interplanar distance of (101) planes of 0.251 nm, which has also been revealed by XRD of TiO2 in anatase form. To further determine the composition of the prepared TiO2/GQDs composites, EDX mapping was used (Figure 4). The obtained results reveal that TiO2/GQDs

• . HRTEM images of (a) TiO2, (b) GQDs, (c) (1:4)TiO2/GQDs, and (d) of (1:4)TiO2/GQDs with high magnification. EDX mapping of (1:4)TiO2/GQDs. (a) CV curves at different electrodes in a solution (0.05 M BR buffer, pH 4) containing CURI = CHYP = 25 µM at a potential scan rate v = 0.1 V·s−1. (b) Oxidation peak

Gold nanomakura: nanoarchitectonics and their photothermal response in association with carrageenan hydrogels

• Nabojit Das,
• Vikas,
• Akash Kumar,
• Sanjeev Soni and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 678–693, doi:10.3762/bjnano.15.56

• scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM/EDX) of the powdered form of AuNM, as shown in Supporting Information File 1, Figure S4. Growth mechanism in AuNMs during seed-mediated synthesis Seed-mediated synthesis approach has been adopted in the present work which is quite

• diffractogram (Figure 5b) also confirmed the preferred longitudinal growth towards the {111} facet. The XRD results as shown in Figure 5b along with SEM/EDX results (Supporting Information File 1, Figure S4) confirmed that the AuNMs were made of gold. The formation of bilayer assembly of surfactants was

• . The sample was prepared by loading it on mica coverslips which was subsequently fixed onto glass slides and air dried for an hour before the measurements. The EDX measurements were performed using a scanning electron microscope (Quanta 450 FEG, FEI, The Netherlands). The crystalline structure of gold

Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods

• Veaceslav Ursaki,
• Tudor Braniste,
• Victor Zalamai,
• Emil Rusu,
• Vladimir Ciobanu,
• Vadim Morari,
• Daniel Podgornii,
• Pier Carlo Ricci,
• Rainer Adelung and
• Ion Tiginyanu

Beilstein J. Nanotechnol. 2024, 15, 490–499, doi:10.3762/bjnano.15.44

• 10 × 10 mm2 to prepare 2 mm thick sample tablets. In order to increase the mechanical stability, the tablets with a density of 0.5 g/cm3 were annealed at 1000 °C for 1 h in air. Morphology analysis was carried out with a VEGA TESCAN 5130 SEM instrument equipped with an EDX detector from Oxford

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

• Vo Chau Ngoc Anh,
• Le Thi Thanh Nhi,
• Le Thi Kim Dung,
• Dang Thi Ngoc Hoa,
• Nguyen Truong Son,
• Nguyen Thi Thao Uyen,
• Nguyen Ngoc Uyen Thu,
• Le Van Thanh Son,
• Le Trung Hieu,
• Tran Ngoc Tuyen and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

• Tristar-3030 system (Micromeritics, USA). The magnetic properties were measured on a Micro Sense vibrating-sample magnetometer (VSM) at room temperature. Scanning electron microscopy (SEM) observations and energy-dispersive X-ray elemental mapping (EDX mapping) were carried out on a Hitachi S-4800 FESEM

• nanoparticles of around 9.2 nm are obvious on the GQDs. Such a good interfacial contact between CF and GQDs is favourable for the separation of the photogenerated charge carriers in the CF/GQDs. The elemental distribution of CF/GQDs was studied by EDX mapping. The elements Fe, Co, O, and C are present, as

• curves of CF/GQDs-200. SEM images of (a) CF/GQD-140, (b) CF/GQD-180, and (c) CF/GQD-200; TEM observations and corresponding particle size distribution of (d) CF and (e) CF/GQDs-200. EDX-mapping of CF/GQDs-200. (a) Electron microscopy image, (b) EDX spectrum, (c) carbon mapping, (d) oxygen mapping, (e

TEM sample preparation of lithographically patterned permalloy nanostructures on silicon nitride membranes

• Joshua Williams,
• Michael I. Faley,
• Joseph Vimal Vas,
• Peng-Han Lu and
• Rafal E. Dunin-Borkowski

Beilstein J. Nanotechnol. 2024, 15, 1–12, doi:10.3762/bjnano.15.1

• Lorentz microscopy and electron holography, along with simultaneous structural and chemical characterization techniques such as electron diffraction, 4D STEM, and energy-dispersive X-ray (EDX) and electron energy loss spectroscopy (EELS), enable a correlative characterization to investigate magnetic