Spindle-like MIL101(Fe) decorated with Bi₂O₃ nanoparticles for enhanced degradation of chlortetracycline under visible-light irradiation

• Chen-chen Hao,
• Fang-yan Chen,
• Kun Bian,
• Yu-bin Tang and
• Wei-long Shi

Beilstein J. Nanotechnol. 2022, 13, 1038–1050, doi:10.3762/bjnano.13.91

• File 1, Figure S2), no obvious change was found, which suggests that the crystal structure of BOM-20 remained unchanged after the photocatalytic reaction. This result further confirms the stability of the BOM-20 heterojunction as a photocatalyst. To explore the CTC degradation pathway with the

Electrocatalytic oxygen reduction activity of AgCoCu oxides on reduced graphene oxide in alkaline media

• Iyyappan Madakannu,
• Indrajit Patil,
• Bhalchandra Kakade and
• Kasibhatta Kumara Ramanatha Datta

Beilstein J. Nanotechnol. 2022, 13, 1020–1029, doi:10.3762/bjnano.13.89

• selection of Cu and Co is their similar crystal structure to that of silver, besides their catalytic oxidizing ability. Moreover, to date, there are no reports on the evaluation of the electrochemical ORR activity in alkaline media employing AgCuCo oxides supported on rGO. To identify the phase formation

Influence of water contamination on the sputtering of silicon with low-energy argon ions investigated by molecular dynamics simulations

• Grégoire R. N. Defoort-Levkov,
• Alan Bahm and
• Patrick Philipp

Beilstein J. Nanotechnol. 2022, 13, 986–1003, doi:10.3762/bjnano.13.86

• al. [37] can be used for a whole sample. However, in the current study the information on the transition of the crystal structure between different regions cannot be obtained. For these reasons, we developed our methodology (i.e., a bond-centric analysis based on the definition of regions

Efficient liquid exfoliation of KP₁₅ nanowires aided by Hansen's empirical theory

• Zhaoxuan Huang,
• Zhikang Jiang,
• Nan Tian,
• Disheng Yao,
• Fei Long,
• Yanhan Yang and
• Danmin Liu

Beilstein J. Nanotechnol. 2022, 13, 788–795, doi:10.3762/bjnano.13.69

• nanoparticles as anode materials to promote the rapid diffusion and electron transfer of lithium, and Rongjun Zhao prepared n-butanol gas sensors with one-dimensional In2O3 nanorods [1][2]. Different from 2D materials, 1D materials generally have a chain-like crystal structure and are easily exfoliated due to a

Recent advances in nanoarchitectures of monocrystalline coordination polymers through confined assembly

• Lingling Xia,
• Qinyue Wang and
• Ming Hu

Beilstein J. Nanotechnol. 2022, 13, 763–777, doi:10.3762/bjnano.13.67

• environments, new opportunities arise for changing the properties of materials. Assembling ionic/molecular building blocks in a liquid that contains impurities generally does not change the intrinsic crystal structure of the obtained single crystals. However, the crystallization kinetics can be affected, which

• . Such an enhancement could also be found in the case of electrodes for supercapacitors. The carbons derived from the inverse opal single crystals showed excellent cycling stability [120]. When the networks do not have lattice similarity with the grown monocrystalline coordination polymers, the crystal

• structure or orientation of the monocrystalline coordination polymers are hardly affected. However, when solids have a similar lattice structure with the grown coordination polymers, epitaxy happens to guide the growth of the coordination polymers. The crystallographic orientation of the grown coordination

Hierarchical Bi₂WO₆/TiO₂-nanotube composites derived from natural cellulose for visible-light photocatalytic treatment of pollutants

• Zehao Lin,
• Zhan Yang and
• Jianguo Huang

Beilstein J. Nanotechnol. 2022, 13, 745–762, doi:10.3762/bjnano.13.66

• , suggesting that the crystal structure of the sample is maintained during the cyclic photocatalysis. As shown in Figure 8c, FE-SEM images of the 70%−Bi2WO6/TiO2-NT nanocomposite after photocatalysis still present the cellulose-derived three-dimensionally porous network structure, and the Bi2WO6 nanoparticles

Design and selection of peptides to block the SARS-CoV-2 receptor binding domain by molecular docking

• Kendra Ramirez-Acosta,
• Ivan A. Rosales-Fuerte,
• J. Eduardo Perez-Sanchez,
• Alfredo Nuñez-Rivera,
• Josue Juarez and
• Ruben D. Cadena-Nava

Beilstein J. Nanotechnol. 2022, 13, 699–711, doi:10.3762/bjnano.13.62

• crystal structure of SARS-CoV-2 RBD spike protein (PDB ID: 6VYB) was selected for this study. The molecules bound to the protein receptor molecule were removed. The RBD spike protein was prepared using AutoDock Tools to add polar hydrogen atoms, Kollman charges, and to remove water molecules. The active

Sodium doping in brookite TiO₂ enhances its photocatalytic activity

• Boxiang Zhuang,
• Honglong Shi,
• Honglei Zhang and
• Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

• , oxalic acid, and sodium hydroxide. It exhibits excellent photocatalytic activity in methylene blue solution (MB), which is about three times higher than that of the quasi-spherical brookite TiO2. The crystal structure of NaxTi1−xO2 was determined by the Rietveld refinement method and verified by the

• , the reaction rate constant in this report was about three times higher than that of the quasi-spherical brookite TiO2 (k = 0.0206) [22]. The excellent photocatalytic activity can be correlated with the crystal structure, micromorphology, and chemical composition [23][24][25]. The bandgap is useful to

• bandgap values of these four samples. Structural phase diagram, chemical composition, and morphology The crystal structure of samples calcinated at 300–900 °C was characterized by powder X-ray diffraction (XRD), as shown in Figure 3a. The sample calcinated at 300 °C is a mixture of brookite (B) and

A new method for obtaining the magnetic shape anisotropy directly from electron tomography images

• Cristian Radu,
• Ioana D. Vlaicu and
• Andrei C. Kuncser

Beilstein J. Nanotechnol. 2022, 13, 590–598, doi:10.3762/bjnano.13.51

• MNPs with a diameter of roughly 47 nm and with the Fe3O4 crystal structure. In addition to the XRD, electron tomography showed that the size of MNPs is indeed in the 40 nm range, but they have a slightly elongated morphology (Figure 4). For a quantitative description of the shape and extraction of the

Revealing local structural properties of an atomically thin MoSe₂ surface using optical microscopy

• Lin Pan,
• Peng Miao,
• Anke Horneber,
• Alfred J. Meixner,
• Pierre-Michel Adam and
• Dai Zhang

Beilstein J. Nanotechnol. 2022, 13, 572–581, doi:10.3762/bjnano.13.49

• , Raman, and photoluminescence spectroscopy and microscopy. The SHG intensity is significantly reduced when the thickness of the MoSe2 flake increases, which indicates that the crystal structure of the MoSe2 flake is the hexagonal 2H phase. The Raman enhancement of CuPc on MoSe2 obtained with azimuthal

The role of sulfonate groups and hydrogen bonding in the proton conductivity of two coordination networks

• Ali Javed,
• Felix Steinke,
• Stephan Wöhlbrandt,
• Hana Bunzen,
• Norbert Stock and
• Michael Tiemann

Beilstein J. Nanotechnol. 2022, 13, 437–443, doi:10.3762/bjnano.13.36

• a clearly higher (though altogether low) proton conductivity than Pb-MOF (by two orders of magnitude), which can be explained by said differences in crystal structure. In Mg-CP the sulfonate group does not coordinate to Mg2+ but is available for being part of an extended hydrogen bonding network

Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation

• Season S. Chen,
• Zhen-Jie Yang,
• Chia-Hao Chang,
• Hoong-Uei Koh,
• Sameerah I. Al-Saeedi,
• Kuo-Lun Tung and
• Kevin C.-W. Wu

Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26

• is 3.4 Å, which is deemed ideal for CO2 separation since the kinetic diameters of CO2, N2, and CH4 are 3.3 Å, 3.6 Å, and 3.8 Å, respectively [33][34]. The performance of MOF-based membrane separation highly depends on the microstructure and crystal structure of the selective layer, while the

The effect of metal surface nanomorphology on the output performance of a TENG

• Yiru Wang,
• Xin Zhao,
• Yang Liu and
• Wenjun Zhou

Beilstein J. Nanotechnol. 2022, 13, 298–312, doi:10.3762/bjnano.13.25

• was measured using an oscilloscope DS1102E (produced by Rigol). The short-circuit current was tested using an electrochemical workstation (CH, model CHI660E). The crystal structure of the samples was analyzed using a Bruker D8 Advance X-ray diffractometer. A scanning electron microscope (Coxem, model

Surfactant-free syntheses and pair distribution function analysis of osmium nanoparticles

• Mikkel Juelsholt,
• Jonathan Quinson,
• Emil T. S. Kjær,
• Baiyu Wang,
• Rebecca Pittkowski,
• Susan R. Cooper,
• Tiffany L. Kinnibrugh,
• Søren B. Simonsen,
• Luise Theil Kuhn,
• María Escudero-Escribano and
• Kirsten M. Ø. Jensen

Beilstein J. Nanotechnol. 2022, 13, 230–235, doi:10.3762/bjnano.13.17

• reports on the formation mechanism involving chain-like structures made for the synthesis of Pt NPs [33]. Conclusion In conclusion, Os NPs with a hcp crystal structure and a size of approx. 1–2 nm are synthesized in methanol, ethanol, and water mixtures of OsCl3 or H2OsCl6 precursors, without the need for

Engineered titania nanomaterials in advanced clinical applications

• Padmavati Sahare,
• Paulina Govea Alvarez,
• Juan Manual Sanchez Yanez,
• Gabriel Luna-Bárcenas,
• Samik Chakraborty,
• Sujay Paul and
• Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

• stability, toxicity, and ultimately the fate of TiO2 nps [36]. Thus, there is a need to meticulously characterize the nanomaterial properties, emphasizing particle size, crystal structure, and specific surface area, for a reliable prediction of the toxicological behavior of TiO2 nanomaterials. A number of

• considered as a valuable antimicrobial agent due to its photocatalytic activity and self-cleaning properties. Several factors might affect the physicochemical properties of TiO2 nps. Crystal structure and shape are the most critical factors responsible for their antimicrobial property [76]. TiO2 has

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• , surface engineering, heterojunction construction, co-catalyst, which will be thoroughly outlined in this review. Structure and bandgap SnO2 has a crystal structure similar to that of rutile TiO2 [41][42]. The unit cell parameters of rutile SnO2 are a = b = 0.47374 nm and c = 0.31864 nm [43]. In one unit

• predominantly point defects, that is, defects associated with one lattice point, such as cation or oxygen ion vacancies. OVs determine the physical and chemical properties of metal oxides. Figure 4a shows the natural crystal structure of SnO2 synthesized by vapor transport [48]. The (110) plane of rutile SnO2

Nanoscale friction and wear of a polymer coated with graphene

• Robin Vacher and
• Astrid S. de Wijn

Beilstein J. Nanotechnol. 2022, 13, 63–73, doi:10.3762/bjnano.13.4

• AFM tip. The AFM tip is rigid and consists of atoms arranged in an fcc lattice with a period of 5.43 Å, which is the crystal structure of silicon. A semisphere is cut out from this material. The tip is placed above the surface. A constant normal force is applied to the tip so that it moves towards the

Heating ability of elongated magnetic nanoparticles

• Elizaveta M. Gubanova,
• Nikolai A. Usov and
• Vladimir A. Oleinikov

Beilstein J. Nanotechnol. 2021, 12, 1404–1412, doi:10.3762/bjnano.12.104

• perfect crystal structure and narrow size distribution, which makes them potential agents for magnetic hyperthermia [27][42]. In this work, by using the stochastic Landau–Lifshitz equation [43][44][45][46], we calculate low-frequency hysteresis loops and SAR of assemblies of elongated spheroidal magnetite

Chemical vapor deposition of germanium-rich CrGe_x nanowires

• Vladislav Dřínek,
• Stanislav Tiagulskyi,
• Roman Yatskiv,
• Jan Grym,
• Radek Fajgar,
• Věra Jandová,
• Martin Koštejn and
• Jaroslav Kupčík

Beilstein J. Nanotechnol. 2021, 12, 1365–1371, doi:10.3762/bjnano.12.100

• furnace. Cr11Ge19 belongs to the large family of compounds exhibiting a Nowotny chimney ladder crystal structure. Such materials have mostly significant thermoelectric properties [5]. CrGe superlattices in CrGe/FeGe and CrGe/Mn/Ge/FeGe systems were fabricated for advanced materials with tunable skyrmions

pH-driven enhancement of anti-tubercular drug loading on iron oxide nanoparticles for drug delivery in macrophages

• Karishma Berta Cotta,
• Sarika Mehra and
• Rajdip Bandyopadhyaya

Beilstein J. Nanotechnol. 2021, 12, 1127–1139, doi:10.3762/bjnano.12.84

• estimation (50 nm scale bar), (c) XRD for characterization of the nanoparticle form and crystal structure, (d) zeta potential (error bars indicate standard deviation determined over 3 replicates for each pH) and (e) FTIR spectrum. (f) FTIR spectrum for standard NOR. Characterization of NOR@IONPpH5

First-principles study of the structural, optoelectronic and thermophysical properties of the π-SnSe for thermoelectric applications

• Muhammad Atif Sattar,
• Najwa Al Bouzieh,
• Maamar Benkraouda and
• Noureddine Amrane

Beilstein J. Nanotechnol. 2021, 12, 1101–1114, doi:10.3762/bjnano.12.82

• as a result of rigid controlled lattice growth conditions, poor elastic properties, and high cost for mass production [45]. Recently, a new cubic crystal structure of tin monoselenide (π-SnSe) (analogous to π-SnS [46]) has been characterized within binary phase by using X-ray diffraction and

• prepared the initial structure of the π-SnSe by using experimentally determined atomic coordinates of the π-SnS system by replacing the S ion with Se ions due to the equivalent cubic analog of the π-SnS system [46]. Regarding the crystal structure of π-SnSe, Golan and his team, in 2016, first designated

• π-SnSe system. In the cubic π-SnSe crystal structure, every Sn is located at the apex of the trigonal pyramidal connected through three Se atoms at the trigonal base with an Sn–Se bond distance of 2.6 Å. The polyhedrons are linked to produce an unusual corner-sharing system. We started from

Revealing the formation mechanism and band gap tuning of Sb₂S₃ nanoparticles

• Maximilian Joschko,
• Franck Yvan Fotue Wafo,
• Christina Malsi,
• Danilo Kisić,
• Ivana Validžić and
• Christina Graf

Beilstein J. Nanotechnol. 2021, 12, 1021–1033, doi:10.3762/bjnano.12.76

• . Subsequently, the type I nanoparticles aggregated into type II nanoparticles and formed superordinated type III structures that finally crystallized in an orthorhombic crystal structure. Furthermore, the kinetic control of the reaction enabled tuning of the optical band gap of the amorphous material in the

A Au/CuNiCoS₄/p-Si photodiode: electrical and morphological characterization

• Adem Koçyiğit,
• Adem Sarılmaz,
• Teoman Öztürk,
• Faruk Ozel and
• Murat Yıldırım

Beilstein J. Nanotechnol. 2021, 12, 984–994, doi:10.3762/bjnano.12.74

• great attention due their unique electronic, magnetic, optical, and gas sensing properties. Spinel compounds can be employed in data storage applications, lithium-ion batteries, gas sensors, and medical diagnostics [1][2]. Spinels have a cubic crystal structure with the general chemical formula AB2X4

• at a wavelength of 400–1100 nm. C–V measurements were carried out on a Keithley 4200 SCS. Results and Discussion Structural characterization Crystal structure, phase, and purity of the produced nanocrystals were investigated by XRD analysis. The XRD pattern of the nanocrystals is shown in Figure 2a

• ± 1 nm. An interplanar spacing of d = 2.87 Å, corresponding to the (113) planes of the cubic crystal structure, was determined from the HR-TEM image in Figure 2c. Figure 2d shows a FE-SEM images of the agglomerated nanocrystals. The surface of the CuNiCoS4 nanocrystal layers is smooth and free from

Is the Ne operation of the helium ion microscope suitable for electron backscatter diffraction sample preparation?

• Annalena Wolff

Beilstein J. Nanotechnol. 2021, 12, 965–983, doi:10.3762/bjnano.12.73

• microscope is better suited to achieve the required mirror-flat sample surface when operating the ion source with Ne instead of He. Copper was chosen as a test material and polished using Ga and Ne ions with different ion energies as well as incident angles. The results show that crystal structure

• alterations and, in some instances, phase transformation of Cu to Cu3Ga occurred when polishing with Ga ions. Polishing with high-energy Ne ions at a glancing angle maintains the crystal structure and significantly improves indexing in EBSD measurements. By milling down to a depth equaling the depth of the

• , defects such as interstitials or vacancies can be created [23]. This can induce a significant amount of crystal structure alterations in a sample and thus artefacts. While these artefacts are well recognized for transmission electron microscopy (TEM) lamella preparation, in which the lamella preparation

Self-assembly of Eucalyptus gunnii wax tubules and pure ß-diketone on HOPG and glass

• Miriam Anna Huth,
• Axel Huth and
• Kerstin Koch

Beilstein J. Nanotechnol. 2021, 12, 939–949, doi:10.3762/bjnano.12.70

•  8d), which were not detectable by SEM. Consecutive images showed that the tip of the tubule was shortened over time and new steps on existing underlying layers of approximately the same height (3 nm) were grown. It is plausible to assume that the crystal structure of the newly formed wax shapes was

• family) [20]. These tubules have a triclinic crystal order, a length of 0.3–1.1 µm, and a diameter of 0.1–0.2 µm [13][15][17]. ß-Diketone tubules have a similar diameter of 0.1–0.2 µm and a length of 2–3 µm, therefore, they are longer than the other two types of tubules and they have a hexagonal crystal

• structure [13][18]. Secondary alcohol tubules evolved in all major groups of land plants and design durable superhydrophobic surfaces (e.g., the Lotus Effect). In vitro recrystallization experiments with single wax components of these tubules showed that tubules were formed by secondary alcohols plus at