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

• -angle and full X-ray diffraction (XRD) patterns, respectively, for the samples containing hydrolyzed forms of Ti after hydrolysis of TEOT. The full XRD patterns of the hydrolyzed samples after calcination are shown in Figure 1c. For comparison, the corresponding patterns for the parent compound MOR-L

• 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

• the Research Park of Saint Petersburg State University (Centre for X-ray Diffraction Studies; Interdisciplinary Resource Centre for Nanotechnology; Centre for Physical Methods of Surface Investigation; Centre for Diagnostics of Functional Materials for Medicine, Pharmacology and Nanoelectronics

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

• characterization using UV–vis spectroscopy, Fourier-transform infrared spectroscopy, X-ray diffraction measurements, energy-dispersive X-ray spectroscopy, scanning and transmission electron microscopy, photocatalytic studies, electrochemical analysis, and determination of antibacterial and anticancer activity. The

• . The average crystallite size of the synthesized ZnO NPs was calculated using the Scherrer equation: where D is the crystallite size, K is the shape factor, λ is the X-ray wavelength (1.54 Å for Cu Kα radiation), β is the full width at half maximum (FWHM) of the diffraction peak in radians, and θ is

• . The numbers on the branches represent bootstrap values derived from 1000 replications, showcasing the statistical reliability of each node. The tree was constructed using the maximum likelihood method based on 16S rRNA sequences, with alignment performed against GenBank data. (a) X-ray diffraction

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

• induce corrosion of the samples. Scanning electron microscopy and energy-dispersive X-ray spectroscopy measurements Scanning electron microscopy images were acquired in a TESCAN CLARA (S8151) using the ANALYSIS and the UH-resolution scan mode with an accelerator voltage of 15 keV and 10 keV, a beam

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

• . These Hf sponges, cut and polished to 10 mm × 10 mm × 2 mm, were used as ablation targets. The pristine target had the crystal structure of hexagonal HfO0.25, as confirmed by X-ray diffraction (XRD) data (see Figure 1a). The elemental composition (Hf: 73.68%, O: 26.32%) was determined by energy

• -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

Heterogeneous reactions in a HFCVD reactor: simulation using a 2D model

• Xochitl Aleyda Morán Martínez,
• José Alberto Luna López,
• Zaira Jocelyn Hernández Simón,
• Gabriel Omar Mendoza Conde,
• José Álvaro David Hernández de Luz and
• Godofredo García Salgado

Beilstein J. Nanotechnol. 2024, 15, 1627–1638, doi:10.3762/bjnano.15.128

• increases with the flux of H2. This effect was already studied experimentally, and the most significant results were the analysis of how the hydrogen flow influences the composition SiOx films by X-ray photoelectron spectroscopy; as the hydrogen flow increases, the concentration of Si also increases in

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

• , Netherlands) for a detailed examination of size and morphology. The crystalline structure of ʟ-car-AgNP1 was determined using X-ray diffraction (XRD, Rigaku Smartlab, Japan) within a 2θ range of 35° to 80°. Nanoparticle solutions were air-dried, and the obtained nanopowders (20 mg) were used for measurements

• absorption peaks indicates that the nanoparticles aggregated. The results confirm that ʟ-car-AgNP2–5 nanoparticles are polydisperse. FTIR, Raman spectroscopy and X-ray diffraction In addition to TEM analysis, the interaction between functional groups of ʟ-carnosine and silver, the elemental composition, and

• NaCl. In addition, NaOH used in the synthesis process acts as a source of sodium in the EDX spectrum. Crystalline structures of ʟ-car-AgNPs were analyzed using X-ray diffraction. The XRD pattern of one sample representative of all synthesized ʟ-carnosine-capped silver nanospheres is given here (Figure

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

• method and characterized using various techniques, including X-ray diffraction, Fourier-transform infrared spectroscopy, Brunauer–Emmett–Teller analysis, and X-ray photoelectron spectroscopy. The MOF mixture exhibited a particle size ranging from 40 to 100 nm, a high surface area of 1147 m2/g, a pore

• volume of 0.544 cm3/g, and a capillary diameter of 1.50 nm. Additionally, energy-dispersive X-ray mapping demonstrated the uniform distribution of the two MOFs within the electrode composition. The synergistic effect of the electrocatalytic properties of CuBTC and the high conductivity of FeBTC

• -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

Strain-induced bandgap engineering in 2D ψ-graphene materials: a first-principles study

• Kamal Kumar,
• Nora H. de Leeuw,
• Jost Adam and
• Abhishek Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 1440–1452, doi:10.3762/bjnano.15.116

• geometrical structures of graphene obtained from its half and full hydrogenation are called, respectively, graphone [6] and graphane [7]. Zhao et al. have reported the successful synthesis of graphone on a Ni(111) surface [8]. Their X-ray photoelectron diffraction (XPD), temperature programmed desorption (TPD

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

• under steady-state conditions. X-ray photoelectron spectroscopy (XPS) and mass spectrometry data from monolayer thick films of Pt(CO)2Cl2 and Pt(CO)2Br2 exposed to 3 keV Ar+, He+, and H2+ ions indicate that deposition is initiated by the desorption of both CO ligands, a process ascribed to momentum

• transformations of precursor thin films. In this approach, the precursor is adsorbed onto a cooled substrate to form 1–2 nm thin films. The effects of ion beam exposure on the thin films are characterized by X-ray photoelectron spectroscopy to identify changes in the films’ composition and chemical environment

• X-ray irradiation that occurred during the acquisition of a full survey X-ray photoelectron spectrum from 0 to 1100 eV. Analogous to the behavior observed in Figure 2, the Pt 4f envelope broadens and shifts to lower binding energy compared to the parent peaks as a function of increasing ion dose

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

A biomimetic approach towards a universal slippery liquid infused surface coating

• Ryan A. Faase,
• Madeleine H. Hummel,
• AnneMarie V. Hasbrook,
• Andrew P. Carpenter and
• Joe E. Baio

Beilstein J. Nanotechnol. 2024, 15, 1376–1389, doi:10.3762/bjnano.15.111

• to use. These biomimetic surface functionalization steps were confirmed by several complimentary surface analysis techniques. The wettability of each surface was probed with water contact angle measurements, while the chemical composition of the layer was determined by X-ray photoelectron

• force microscopy (AFM), sum frequency generation spectroscopy (SFG), and X-ray photoelectron spectroscopy (XPS). Measuring static water contact angles is a straightforward method to determine the relative wettability of a material and allows for a quick check if our surface modifications were successful

• wavenumber range of 1100–1800 cm−1. The spectra were then normalized by dividing the signal by the visible and infrared intensities. X-ray photoelectron spectroscopy Spectra were collected on a PHI 5600 system with a hemispherical analyzer and a monochromatic Al Kα (1486.6 eV) X-ray source with an electron

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

• Muhammed Taha Durmus and
• Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

• TALOS F200S TEM 200 kV, Malvern Zetasizer Nano ZSP, PANalytical X-ray diffractometer, Bruker VERTEX 70v, Specs‐Flex with a standard Al X‐ray source, WITech alpha 300R, VAKSIS PVD Handy, Zeiss Sigma 300, KEITLEY 2400 picoammeter/voltage source, Shimadzu UV-1800 spectrophotometer, and Agilent Technologies

• Cary Eclipse fluorescence spectrophotometer were used for transmission electron microscopy (TEM), zeta potential measurements, X-ray diffractometry (XRD), Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), micro-Raman spectroscopy, PVD thermal evaporation, scanning

Investigation of Hf/Ti bilayers for the development of transition-edge sensor microcalorimeters

• Victoria Y. Safonova,
• Anna V. Gordeeva,
• Anton V. Blagodatkin,
• Dmitry A. Pimanov,
• Anton A. Yablokov and
• Andrey L. Pankratov

Beilstein J. Nanotechnol. 2024, 15, 1353–1361, doi:10.3762/bjnano.15.108

• , for example, for the detection of dark matter, as single-photon detectors (X-ray, visible, and infrared ranges) [1], and the detection of individual excimers [2]. One of the new applications is the detection of the recoil energy of 4He atoms evaporated from a superfluid condensate (helium II). This

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

• Romana Petry,
• James M. de Almeida,
• Francine Côa,
• Felipe Crasto de Lima,
• Diego Stéfani T. Martinez and
• Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

• complete characterization of the GO sample is available in [36]. Atomic force microscopy (AFM), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) were used to assess size, morphology, number of layers, and surface chemistry of GO. The GO sample used in this study consists of single layers with

• composition analyzed by X-ray photoelectron spectroscopy (XPS) is 68% of carbon and 32% of oxygen. The functional groups and bonds of carbon are distributed among epoxy/hydroxy (C–O) (52%), carboxyl/esters (C=O) (9.4%), and π–π* (4.2%) moieties, besides graphitic/aromatic carbon (C sp2) (5.7%) and aliphatic

• , to 1.02 ± 0.01 and 1.05 ± 0.005 when the material was incubated in EPA medium without and with TA, respectively (Figure 2b). All Raman spectra were normalized to the intensity of the respective G bands. X-ray photoelectron spectroscopy (XPS) presented the composition of GO surface in the presence of

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

• crystallization, consistent with the results from XRD and SEM analyses. Additionally, bands at 3437 and 1613 cm−1 correspond to the vibrational modes of hydroxy groups (OH) bonded to the surface of the ZnO powders. X-ray diffraction The crystalline structure of the samples thermally treated at 500 °C was analyzed

• using X-ray diffraction (XRD). The resulting XRD patterns, shown in Figure 6a, indicate that the samples are polycrystalline and single-phase. This single phase corresponds well to the data from ICDD file no. 36-1451 of zincite ZnO. ZnO has a wurtzite-type structure and crystallizes in the hexagonal P63

• 10 and 20 kV in high vacuum mode. X-ray diffraction (XRD) measurements were carried out using an Ultima IV diffractometer (Rigaku Corp., Japan) equipped with parallel beam optics, using Cu Kα radiation (λ = 1.5418 Å) at 40 kV and 30 mA over the 2θ range of 25–80° at a scanning rate of 2°/min with a

The role of a tantalum interlayer in enhancing the properties of Fe₃O₄ thin films

• Hai Dang Ngo,
• Vo Doan Thanh Truong,
• Van Qui Le,
• Hoai Phuong Pham and
• Thi Kim Hang Pham

Beilstein J. Nanotechnol. 2024, 15, 1253–1259, doi:10.3762/bjnano.15.101

• morphological, structural, and magnetic properties of the deposited samples were characterized with atomic force microscopy, X-ray diffractometry, and vibrating sample magnetometry. The polycrystalline Fe3O4 film grown on MgO/Ta/SiO2/Si(100) presented very interesting morphology and structure characteristics

• films on three different types of substrates, namely an amorphous SiO2/Si(100) substrate, a single crystal MgO(100) substrate, and a buffer layer consisting of MgO/Ta/SiO2/Si(100). The properties of Fe3O4 thin films were analyzed using atomic force microscopy (AFM), X-ray diffractometry (XRD), and

• (400) peaks [26][27]: where n is the order of diffraction (n = 1) and λ is the X-ray wavelength (Cu Kα, λ = 1.5406 Å). The lattice constant a of the three Fe3O4 samples was determined by [27][28]: The microstrain in these samples can be calculated from the lattice constant a above by using the

Dual-functionalized architecture enables stable and tumor cell-specific SiO₂NPs in complex biological fluids

• Iris Renata Sousa Ribeiro,
• Raquel Frenedoso da Silva,
• Romênia Ramos Domingues,
• Adriana Franco Paes Leme and
• Mateus Borba Cardoso

Beilstein J. Nanotechnol. 2024, 15, 1238–1252, doi:10.3762/bjnano.15.100

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

• André F. Lima,
• Giselle Z. Justo and
• Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

• function as a more conventional NP platform in nanomedicine applications [18][21][22][38][39][40]. In diagnostic applications, usNPs have been employed in diverse imaging modalities, including optical imaging [41][42], X-ray computer tomography [43], photoacoustic imaging [41][44], magnetic resonance

• particles at 4 h p.i., highlighting the superior efficacy of the active targeting strategy over EPR-based passive targeting. X-ray irradiation of tumor-bearing mice treated with targeted AuNCs demonstrated a significant enhancement in radiotherapy effectiveness (Figure 5C). In combination, the selective

Photocatalytic methane oxidation over a TiO₂/SiNWs p–n junction catalyst at room temperature

• Qui Thanh Hoai Ta,
• Luan Minh Nguyen,
• Ngoc Hoi Nguyen,
• Phan Khanh Thinh Nguyen and
• Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

• respective limitations. This study offers new insights into the design of an efficient system for OCM. Results and Discussion Structural and morphological properties For understanding the crystalline structure of TiO2 and SiNWs, X-ray diffraction patterns were recorded as displayed in Figure 1. The XRD

• properties of as-synthesized samples were analyzed using an X-ray diffraction system (XRD, Rigaku, SmartLab) with a 2θ range of 20–80° and a field-emission scanning electron microscope (FE-SEM, Hitachi, S-4700). The absorption properties of the thin films were analyzed using a diffuse reflectance UV–vis

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

• the formation mechanism of the interfacial silver layer deserves further in-depth studies, which are beyond the scope of this article. These studies would involve surface science approaches using mass spectrometry and/or other spectroscopic techniques, such as X-ray photoelectron spectroscopy, and

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

• Shakhzodjon Uzokboev,
• Khojimukhammad Akhmadbekov,
• Ra’no Nuritdinova,
• Salah M. Tawfik and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

• a monolayer of gas coverage. The surface area of nanomaterials can also be determined by X-ray photoelectron spectroscopy and secondary ion mass spectroscopy [64][65]. Zeta potential: The zeta potential of nanoparticles can be calculated from the electrophoretic mobility of particles in a particular

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

• -dispersive X-ray spectroscopy. Furthermore, NPs of various sizes ranging from 6 to 35 nm were loaded onto a filter paper by a simple and effective drop-casting approach to achieve flexible surface-enhanced Raman spectroscopy (SERS) substrates/sensors. These substrates were tested using a simple, portable

• 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

Entry of nanoparticles into cells and tissues: status and challenges

• Kirsten Sandvig,
• Tore Geir Iversen and
• Tore Skotland

Beilstein J. Nanotechnol. 2024, 15, 1017–1029, doi:10.3762/bjnano.15.83

• imaging (i.e., positron emission tomography (PET), single-photon emission computed tomography (SPECT), optical/fluorescence, magnetic resonance imaging (MRI), computed tomography (CT; using X-ray) and ultrasound imaging), and the spatial resolution, depth of imaging, sensitivity, and advantages

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

• Evangelos Voyiatzis,
• Eugenia Valsami-Jones and
• Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

• possess a higher level of crystallinity than the gold counterparts under the same conditions because of the stronger cohesive forces that drive the crystallization process. This observation is also supported by the simulated X-ray powder diffraction patterns of the nanomaterials. The larger NPs have a

• [53]. A combined molecular dynamics and X-ray diffraction analysis of gold NPs has been carried out by Kamiński et al. [54]. The dynamical stability and vibrational properties of Pt nanoclusters by ab initio methods were investigated by Maldonado et al. [55]. A comprehensive review of Pt NPs has been

• their energy interactions. The morphological changes in the NPs are measured using both atomic parameters, such as the coordination number and the Berry parameter, and cluster parameters, such as the X-ray powder diffraction pattern and the asphericity parameter. Furthermore, we extract qualitative

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

• and yield of the as-prepared MIL-100(Fe) materials, including thermogravimetric analysis (TGA), Fourier-transform infrared (FTIR) spectroscopy, powder X-ray diffraction (PXRD) measurements, determination of textural properties, scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy

• Information File 1. Characterizations The materials’ crystalline structure was identified via room-temperature powder X-ray diffraction (PXRD) patterns from a MiniFlex600 system (Rigaku, Japan). The scan covered a 2θ range of 3–40° at a speed of 6°·min−1. Information regarding the morphologies of Fe2O3 and M