Magnetic-field-assisted synthesis of anisotropic iron oxide particles: Effect of pH

• Andrey V. Shibaev,
• Petr V. Shvets,
• Darya E. Kessel,
• Roman A. Kamyshinsky,
• Anton S. Orekhov,
• Sergey S. Abramchuk,
• Alexei R. Khokhlov and
• Olga E. Philippova

Beilstein J. Nanotechnol. 2020, 11, 1230–1241, doi:10.3762/bjnano.11.107

• synthesized through this route. It should be noted that, due to the wide peaks in the Raman spectrum and to the presence of additional smaller peaks, there might be other iron oxides in the sample [50], although magnetite is prevalent. This is confirmed by energy-dispersive X-ray (EDX) spectrum taken from the

• scanning TEM (STEM). The specimens were examined under a TITAN 80-300 microscope (FEI, USA) equipped with a Schottky field emission gun, a spherical aberration corrector (Cs probe corrector), a direct detection camera (Falcon II, FEI, USA), and an EDX spectroscopy system (EDAX, USA). The TEM was operated

• ]. Supporting Information Supporting Information File 126: EDX spectrum, TEM micrographs, histogram of nanoparticle diameters, and scheme of the experimental setup. Acknowledgements The authors would like to thank Dr. Tatyana Yu. Kiseleva for fruitful discussions. Funding This work was supported by the Russian

Straightforward synthesis of gold nanoparticles by adding water to an engineered small dendrimer

• Sébastien Gottis,
• Régis Laurent,
• Vincent Collière and
• Anne-Marie Caminade

Beilstein J. Nanotechnol. 2020, 11, 1110–1118, doi:10.3762/bjnano.11.95

• when the powdered form of this dendrimer was dissolved in water, as shown by transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses. The dendrimers acted simultaneously as mild reducers and as nanoreactors, favoring the self-assembly of gold atoms and promoting

• -controlled nanoparticles (triangles and associated triangles) in an unprecedented way. Characterization of gold nanoparticles by energy-dispersive X-ray spectroscopy In order to determine the presence and location of the different elements energy-dispersive X-ray spectroscopy (EDX) analysis was also

• of the gold NPs, increasing their stabilization due to the presence of two P=S groups. The absence of gold outside the nanoparticles, according to the EDX results for the background, indicated that the gold nanoparticles were obtained in a quantitative yield. The conditions for clustering the gold

Electrochemical nanostructuring of (111) oriented GaAs crystals: from porous structures to nanowires

• Elena I. Monaico,
• Eduard V. Monaico,
• Veaceslav V. Ursaki,
• Shashank Honnali,
• Vitalie Postolache,
• Karin Leistner,
• Kornelius Nielsch and
• Ion M. Tiginyanu

Beilstein J. Nanotechnol. 2020, 11, 966–975, doi:10.3762/bjnano.11.81

• Sigma and TESCAN Vega TS 5130 MM equipped with an Oxford Instruments INCA Energy EDX system operated at 20 kV). The photoluminescence spectra were measured with a double spectrometer with resolution better than 1 meV under excitation by the 514 nm line of an Ar+ SpectraPhysics laser. The samples were

Atomic layer deposition for efficient oxygen evolution reaction at Pt/Ir catalyst layers

• Stefanie Schlicht,
• Korcan Percin,
• Stefanie Kriescher,
• André Hofer,
• Claudia Weidlich,
• Matthias Wessling and
• Julien Bachmann

Beilstein J. Nanotechnol. 2020, 11, 952–959, doi:10.3762/bjnano.11.79

• . Finally, the samples were calcinated at 450 °C to generate the metallic catalyst. Figure 1 presents the SEM and EDX characterization of the titanium felts obtained by this method. Figure 1a presents the untreated felt, the titanium fibers of which are clearly visible. Figure 1b shows the felt after acid

• ), a rather thick layer of the order of 1 μm is observed. Some cracks can be detected on the egdes of the coating where the fibers cross, due to low transport rates at these locations and high mechanical stress. The existence of the noble metals is proven by energy-dispersive X-ray analysis (EDX

• , Figure 1d), although the Pt and Ir lines overlap too much for distinct quantification by EDX. Apart from the prominent Ti peak, the presence of an oxide layer is demonstrated by a significant O signal. Figure 2 presents the linear sweep voltammograms obtained in the OER region for catalyst-coated samples

Nickel nanoparticles supported on a covalent triazine framework as electrocatalyst for oxygen evolution reaction and oxygen reduction reactions

• Secil Öztürk,
• Yu-Xuan Xiao,
• Dennis Dietrich,
• Beatriz Giesen,
• Juri Barthel,
• Jie Ying,
• Xiao-Yu Yang and
• Christoph Janiak

Beilstein J. Nanotechnol. 2020, 11, 770–781, doi:10.3762/bjnano.11.62

• further investigated by SEM-EDX elemental mapping (Figure 3), which also shows well-dispersed nickel nanoparticles on CTF. Given that nickel was detected by EDX on the whole surface of the CTF and not only on the agglomerate Ni NPs areas, further studies were performed using scanning transmission electron

• microscopy (STEM)-EDX elemental mapping. The element compositions of defined areas (orange square) showing both a single Ni particle and its CTF support in the background are displayed in Figure S11, Supporting Information File 1. A possible reason why Ni NPs outside the NP agglomerates are not visible in

• the TEM images (Figure 2) can be either their small size or the fact that they lie between the CTF sheets (Figure S10c, Supporting Information File 1). Additional EDX studies (Figure S12, Supporting Information File 1) showed a higher content of Ni in the “brighter” agglomerates (point 1), as well as

Comparison of fresh and aged lithium iron phosphate cathodes using a tailored electrochemical strain microscopy technique

• Matthias Simolka,
• Hanno Kaess and
• Kaspar Andreas Friedrich

Beilstein J. Nanotechnol. 2020, 11, 583–596, doi:10.3762/bjnano.11.46

• spectroscopy (EDS or EDX) it adds chemical information on the elemental distribution to the structural analysis. Further methods that have been applied to study ageing in LFP are X-ray photoelectron spectroscopy (XPS), inductively coupled plasma (ICP), transmission electron microscopy (TEM), focused ion beam

• diffusivity of Li-ions in the material [29][30][33][35][36]. The basic fact that the ESM signal itself is dependent on the presence of ionic species was shown by Schön et al. [37] and Sasano et al. [38][39], who combined EDX, electron backscatter diffraction (EBSD) and ESM measurements. Therefore, even with

Synthesis and enhanced photocatalytic performance of 0D/2D CuO/tourmaline composite photocatalysts

• Changqiang Yu,
• Min Wen,
• Zhen Tong,
• Shuhua Li,
• Yanhong Yin,
• Xianbin Liu,
• Yesheng Li,
• Tongxiang Liang,
• Ziping Wu and
• Dionysios D. Dionysiou

Beilstein J. Nanotechnol. 2020, 11, 407–416, doi:10.3762/bjnano.11.31

• (Figure 3f, inset), which provided channels for the fast transfer of photoinduced e− from the conduction band (CB) of CuO to tourmaline. The energy dispersive X-ray (EDX) elemental mapping verified the uniform dispersion of CuO throughout the CuO/tourmaline composite (Figure 3g). The pore structure of the

• ) CuO/tourmaline composite. TEM images of (d) tourmaline, (e) CuO, and (f) CuO/tourmaline composite, where the insets show the corresponding high-resolution TEM images. (g) EDX element mapping images of Cu, Al, and Si for the CuO/tourmaline composite. (a) Nitrogen adsorption–desorption isotherms and (b

Facile biogenic fabrication of hydroxyapatite nanorods using cuttlefish bone and their bactericidal and biocompatibility study

• Satheeshkumar Balu,
• Manisha Vidyavathy Sundaradoss,
• Swetha Andra and
• Jaison Jeevanandam

Beilstein J. Nanotechnol. 2020, 11, 285–295, doi:10.3762/bjnano.11.21

• attenuated total reflectance (ATR) mode. Transmission electron microscopy and energy dispersive X-ray analysis (EDX) TEM micrographs of CB Hap NRs were obtained using TEM (model JEOL, Japan) at an operation voltage of 200 kV. A sufficient quantity of CB-Hap NR powder was placed on the carbon-coated copper

• grid and allowed to stick. The size and morphology of the synthesized nanohydroxyapatite was observed. The average particle size distribution of CB-Hap NRs was plotted using ImageJ software. The elemental composition analysis via energy dispersive X-ray analysis (EDX) was also performed to confirm the

Synthesis of amorphous and graphitized porous nitrogen-doped carbon spheres as oxygen reduction reaction catalysts

• Maximilian Wassner,
• Markus Eckardt,
• Andreas Reyer,
• Thomas Diemant,
• Michael S. Elsaesser,
• R. Jürgen Behm and
• Nicola Hüsing

Beilstein J. Nanotechnol. 2020, 11, 1–15, doi:10.3762/bjnano.11.1

• particles are observed for the graphitized samples via energy dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). However, we cannot fully exclude small amounts of residual iron in the graphitized catalysts below the detection limit of XPS (about 0.2 atom %) and EDX (about 0.1 wt

• (HRTEM) images of the resulting particles showed that the graphite layers are arranged along the longitudinal axis of the fibers [37]. After the acidic washing process, neither XPS nor EDX showed, for g-NCS-850 and g-NCS-1000, Fe or Fe3C particles within the spheres, which are commonly found for the Fe

• g-NCSs, determined by CHN analyses (supported by EDX measurements, e.g., absence of Fe), as well as the elemental surface composition and N bonding configurations, determined by XPS measurements, are given in Table 1 and Table 2. As expected the samples are made up of a carbon matrix including O

Synthesis and acetone sensing properties of ZnFe₂O₄/rGO gas sensors

• Kaidi Wu,
• Yifan Luo,
• Ying Li and
• Chao Zhang

Beilstein J. Nanotechnol. 2019, 10, 2516–2526, doi:10.3762/bjnano.10.242

• (FESEM, Hitachi S4800). The nanostructure of the products was examined by transmission electron microscopy (TEM, JEM-2100). High-resolution TEM (HRTEM) and energy-dispersive X-ray (EDX) elemental mappings were recorded using a field-emission transmission electron microscope (Tecnai G2 F30 S-TWIN, FEI

• obtained percentage is higher than theoretically predicted, which may be due to a contamination arising from the carbon-containing electrically conductive adhesive or another source of carbon in the sample stage or on the sample surface. Still, the actual quantities derived by EDX are basically consistent

• composite ZnFe2O4/rGO with an rGO percentage of (c, d) 0.1, (e, f) 0.25, (g, h) 0.5 and (i, j) 1 wt %. EDX results of the ZnFe2O4/rGO samples containing 0.5 and 1 wt % rGO. TEM images of (a) GO (b) hollow spheres of ZnFe2O4 and (c–f) hollow spheres of the ZnFe2O4/rGO composites containing 0.1, 0.25, 0.5, 1

Formation of metal/semiconductor Cu–Si composite nanostructures

• Natalya V. Yumozhapova,
• Andrey V. Nomoev,
• Vyacheslav V. Syzrantsev and
• Erzhena C. Khartaeva

Beilstein J. Nanotechnol. 2019, 10, 2497–2504, doi:10.3762/bjnano.10.240

• silicon are concentrated in the core and on the surface of the particle, respectively. The X-ray fluorescence analysis (EDX) of Cu–SiOx nanoparticles, taken on a section of size 500 × 500 nm (Figure 7c), confirms that the particles consist of copper, silicon, and oxygen. The nanoparticles are stable

• particles can be formed from copper and silicon droplets at a slow cooling rate. The oxidation is most likely to occur after the formation of a silicon cluster. The EDX analysis along the middle line of the Cu–SiOx nanoparticle provides the distribution of elements in more detail (Figure 7b). The copper

• of the result of the EDX analysis is shown in Figure 8a. It shows that in the central region of the particle, the copper content varies from 70 to 80 atom % and the silicon content from 10 to 20 atom %. At the periphery of the particle, the copper content is significantly reduced, while that of

Label-free highly sensitive probe detection with novel hierarchical SERS substrates fabricated by nanoindentation and chemical reaction methods

• Jingran Zhang,
• Tianqi Jia,
• Yongda Yan,
• Li Wang,
• Peng Miao,
• Yimin Han,
• Xinming Zhang,
• Guangfeng Shi,
• Yanquan Geng,
• Zhankun Weng,
• Daniel Laipple and
• Zuobin Wang

Beilstein J. Nanotechnol. 2019, 10, 2483–2496, doi:10.3762/bjnano.10.239

• -up regions of cavities as shown in Figure 1d. Elemental analysis of the arrayed pyramidal cavities The parameters of the feeds (fx, fy) for fabricating micro/nanostructures using the method presented are shown in Table 1. Figure 3 shows SEM and energy-dispersive X-ray spectroscopy (EDX) images of the

• experiment, EDX/SEM (Zeiss, Germany) was employed to demonstrate that silver was generated on the copper surface. The micro-Raman spectroscopy system (Renishaw, inVia, UK) was equipped with a 532 nm laser and focused with a 50× objective lens. The incident optical power was set to 0.6 mW and the beam

• cavities with fx = 2 μm, fy = 2 μm in AgNO3 solution after 5 minutes. (b) SEM image of the pile-ups of pyramidal cavities with fx = 2 μm, fy = 2 μm in AgNO3 solution after 5 minutes. (c) EDX image of the arrayed triangular cavities with fx = 2 μm, fy = 2 μm. (d) EDX image of the pile-ups of the pyramidal

Semitransparent Sb₂S₃ thin film solar cells by ultrasonic spray pyrolysis for use in solar windows

• Jako S. Eensalu,
• Atanas Katerski,
• Erki Kärber,
• Lothar Weinhardt,
• Monika Blum,
• Clemens Heske,
• Wanli Yang,
• Ilona Oja Acik and
• Malle Krunks

Beilstein J. Nanotechnol. 2019, 10, 2396–2409, doi:10.3762/bjnano.10.230

• (EDX) in any sample. Furthermore, the atomic ratio of S to Sb in the annealed Sb2S3 layers was close to the stoichiometric value of 1.5, as estimated using EDX (Figure S1 in Supporting Information File 1). Soft X-ray emission spectroscopy (XES) is an element- and site-specific method that allows for

• after annealing. The XES study, in addition to the EDX results that showed a S to Sb atomic ratio of 1.5 in the layers, provides further assurance that inclusion of O in the form of a minor impurity phase in the Sb2S3 layers is likely negligible. Thus, even without further scrutinizing the layer

• composition, these results already give USP a distinct advantage over aqueous CBD, wherein the inclusion of oxygen is inevitable and traceable [57][58][59]. To summarize the thin film characterization, we have fabricated polycrystalline, chlorine-free (below EDX detection limit), and oxygen-free (EDX and XES

Targeted therapeutic effect against the breast cancer cell line MCF-7 with a CuFe₂O₄/silica/cisplatin nanocomposite formulation

• B. Rabindran Jermy,
• Vijaya Ravinayagam,
• Widyan A. Alamoudi,
• Dana Almohazey,
• Hatim Dafalla,
• Lina Hussain Allehaibi,
• Abdulhadi Baykal,
• Muhammet S. Toprak and
• Thirunavukkarasu Somanathan

Beilstein J. Nanotechnol. 2019, 10, 2217–2228, doi:10.3762/bjnano.10.214

• dispersive X-ray (EDX) mapping analysis showed the presence of homogeneous silica particles with nanoclusters of copper ferrite distributed on the HYPS support. Vibrating sample magnetometry (VSM) analysis of CuFe2O4/HYPS showed paramagnetic behavior with a saturated magnetization value of 7.65 emu/g. DRS UV

• ), scanning electron microscopy (SEM) equipped with energy dispersive X-ray (EDX) spectroscopy and transmission electron microscopy (TEM) techniques. The study showed the high cisplatin release capability and targeted anticancer efficiency demonstrated in vitro in the breast cancer cell line MCF-7. Materials

• rearrangement of the peak position at about 487 cm−1 with the tetrahedral and octahedral sites of MFe2O4. The absorption band at 580 cm−1 clearly shows the presence of an Fe–O bond of spinel present over the HYPS support (Figure 3). The surface morphology of CuFe2O4/HYPS was analyzed using TEM and SEM-EDX

Use of data processing for rapid detection of the prostate-specific antigen biomarker using immunomagnetic sandwich-type sensors

• Camila A. Proença,
• Tayane A. Freitas,
• Thaísa A. Baldo,
• Elsa M. Materón,
• Flávio M. Shimizu,
• Gabriella R. Ferreira,
• Frederico L. F. Soares,
• Ronaldo C. Faria and
• Osvaldo N. Oliveira Jr.

Beilstein J. Nanotechnol. 2019, 10, 2171–2181, doi:10.3762/bjnano.10.210

• spectroscopy (FTIR), field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), and polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS, Figure S1) is described. The Silhouette coefficients calculated for IDMAP, Sammon’s mapping (SM), principal

Green and scalable synthesis of nanocrystalline kuramite

• Andrea Giaccherini,
• Giuseppe Cucinotta,
• Stefano Martinuzzi,
• Enrico Berretti,
• Werner Oberhauser,
• Alessandro Lavacchi,
• Giovanni Orazio Lepore,
• Giordano Montegrossi,
• Maurizio Romanelli,
• Antonio De Luca,
• Massimo Innocenti,
• Vanni Moggi Cecchi,
• Matteo Mannini,
• Antonella Buccianti and
• Francesco Di Benedetto

Beilstein J. Nanotechnol. 2019, 10, 2073–2083, doi:10.3762/bjnano.10.202

• S1, although this is very difficult to detect with EDX [45], and it confirmed that the composition of sample S3 is consistent with kuramite’s composition. We found that the final product is unaffected by the addition of ZnCl2 in the batch of the reactants. Comparing the products obtained by the pure

Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides

• Muhammad A. Zaheer,
• David Poppitz,
• Khavar Feyzullayeva,
• Marianne Wenzel,
• Jörg Matysik,
• Radomir Ljupkovic,
• Aleksandra Zarubica,
• Alexander A. Karavaev,
• Andreas Pöppl,
• Roger Gläser and
• Muslim Dvoyashkin

Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200

Gold-coated plant virus as computed tomography imaging contrast agent

• Alaa A. A. Aljabali,
• Mazhar S. Al Zoubi,
• Khalid M. Al-Batanyeh,
• Ali Al-Radaideh,
• Mohammad A. Obeid,
• Abeer Al Sharabi,
• Walhan Alshaer,
• Bayan AbuFares,
• Tasnim Al-Zanati,
• Murtaza M. Tambuwala,
• Naveed Akbar and
• David J. Evans

Beilstein J. Nanotechnol. 2019, 10, 1983–1993, doi:10.3762/bjnano.10.195

• of 70 nm, and with λ = 572 nm using ε = 1.57 × 1011 M−1·cm−1 for particles with a diameter of ca. 100 nm. In addition, the EDX spectrum of VCAM1-PEG5000Au-CPMV clearly confirms the presence of gold with a signal at 2.120 keV and 9.712 keV as indicated by the white arrows (Figure 3B) and a strong

• conclude that the prepared VCAM1-PEG5000Au-CPMV is an acceptable targeting model for further in vivo studies. STEM–EDX elemental maps Low-voltage STEM offers a contrast enhancement over conventional TEM analysis due to lower energy (20–30 kV). The higher electron scattering provides better insight into the

• and size, indicating that they are resistant to solubilization or oxidation. The dual STEM and EDX spectra from the Antibody-PEG5000Au-CPMV gave useful information about the spatial distribution of gold and sulfur across the cellular surface. The simultaneously acquired EDX spectrum images confirmed

Facile synthesis of carbon nanotube-supported NiO//Fe₂O₃ for all-solid-state supercapacitors

• Shengming Zhang,
• Xuhui Wang,
• Yan Li,
• Xuemei Mu,
• Yaxiong Zhang,
• Jingwei Du,
• Guo Liu,
• Xiaohui Hua,
• Yingzhuo Sheng,
• Erqing Xie and
• Zhenxing Zhang

Beilstein J. Nanotechnol. 2019, 10, 1923–1932, doi:10.3762/bjnano.10.188

• TEM. As shown in Figure 2d, Fe2O3 nanoparticles with a size of about 50 nm are distributed evenly on the CNTs. The high-resolution TEM image (Figure 2e) indicates an interplanar spacing of 0.295 nm, corresponding to the (220) plane of Fe2O3 (JCPDS Card No. 25-1402). The EDX spectrum confirms the

• NiO (JCPDS Card No. 44-1159). Besides, the EDX spectrum indicates the existence of only Ni, O, and C elements in the electrode material (Figure S8, Supporting Information File 1). Furthermore, XRD and Raman confirmed NiO in the sample. The XRD pattern (Figure 6a) shows two peaks at 43.2° and 62.9

• -CNT@Fe2O3. (d) TEM image of Fe2O3 particles with a diameter of 50 nm on CNT. (e) High-resolution TEM image of Fe2O3 with an interplanar spacing of 0.295 nm, corresponding to the (220) plane of Fe2O3. (f) EDX spectrum of the CC-CNT@Fe2O3. (a) XRD pattern and (b) Raman spectra of CC-CNT and CC-CNT@Fe2O3

Nanoarchitectonics meets cell surface engineering: shape recognition of human cells by halloysite-doped silica cell imprints

• Elvira Rozhina,
• Ilnur Ishmukhametov,
• Svetlana Batasheva,
• Farida Akhatova and
• Rawil Fakhrullin

Beilstein J. Nanotechnol. 2019, 10, 1818–1825, doi:10.3762/bjnano.10.176

• used EDX spectroscopy to investigate the elemental composition of the silica/halloysite imprints (Figure 4D), confirming the typical elemental composition characteristic for halloysite. A strong peak of Al in the EDX image supports the presence of halloysite in the imprint, because Al is a major

• . Characterisation Scanning electron microscopy (SEM) imaging of samples sputter-coated with gold was performed with a Hitachi SU8000 microscope equipped with energy-dispersive X-ray (EDX) spectrometer. The interaction of cells with inorganic shapes was also recorded with an atomic-force microscope (Dimension Icon

• /halloysite imprints templated on HeLa cells; (D) EDX spectrum taken from the sample shown in (C), demonstrating the typical silica and halloysite elemental distribution; (E) optical and (F) confocal microscopy images demonstrating the recognition of HeLa cells with cell-templated imprints (cell nuclei

Synthesis of nickel/gallium nanoalloys using a dual-source approach in 1-alkyl-3-methylimidazole ionic liquids

• Ilka Simon,
• Julius Hornung,
• Juri Barthel,
• Jörg Thomas,
• Maik Finze,
• Roland A. Fischer and
• Christoph Janiak

Beilstein J. Nanotechnol. 2019, 10, 1754–1767, doi:10.3762/bjnano.10.171

• (HAADF-STEM) and supported by energy-dispersive X-ray spectrometry (EDX), selected-area energy diffraction (SAED) and X-ray photoelectron spectroscopy (XPS). NiGa@[BMIm][NTf2] catalyze the semihydrogenation of 4-octyne to 4-octene with 100% selectivity towards (E)-4-octene over five runs, but with poor

• selected-area energy diffraction (SAED) are required. Presumably, due to the small size of the nanoparticles, these measurements yielded no diffractograms. Therefore, the nanoparticles can only be described as non-crystalline or amorphous. Quantification of EDX spectra from three different spots on the TEM

• size distribution of 2.5 ± 0.5 nm ([BMIm][BF4], Supporting Information File 1, Figure S2 and Figure S3) and 5 ± 1 nm (PC, Supporting Information File 1, Figure S4). EDX quantification over different spots on the TEM grid also shows equimolar ratios of nickel to gallium (Supporting Information File 1

Novel hollow titanium dioxide nanospheres with antimicrobial activity against resistant bacteria

• Carol López de Dicastillo,
• Cristian Patiño,
• María José Galotto,
• Yesseny Vásquez-Martínez,
• Claudia Torrent,
• Daniela Alburquenque,
• Alejandro Pereira and
• Juan Escrig

Beilstein J. Nanotechnol. 2019, 10, 1716–1725, doi:10.3762/bjnano.10.167

• performed (Figure 3c). Energy dispersive X-ray (EDX) analysis was performed to determine the elemental composition of CSTiO2 and to confirm the presence of both Al2O3 and TiO2 layers. The EDX mapping results are shown in Figure 4a, where red, green and yellow colors correspond to oxygen, aluminum and

• . CSTiO2 particles were also observed through TEM (Hitachi HT7700 high resolution TEM) at 100 kV. Additionally, the elemental composition of CSTiO2 was analyzed by SEM (Vega3 Tescan SEM) with an in-column EDX detector at 15 kV. TGA was carried out using a Mettler Toledo Gas Controller GC20 Stare System TGA

• ALD (SPVP_ Al2O3_ TiO2); (d) calcined samples (CSTiO2); Scanning electronic microscopy (SEM) images of: (e) SPVP; (f) SPVP_ Al2O3, (g) SPVP_Al2O3_TiO2; (h) CSTiO2. TEM images of calcined nanospheres, CSTiO2, at: (a) 2000×; (b) 5000×; (c) 10000× and (d) further details of the image in (c). (a) EDX

High-temperature resistive gas sensors based on ZnO/SiC nanocomposites

• Vadim B. Platonov,
• Marina N. Rumyantseva,
• Alexander S. Frolov,
• Alexey D. Yapryntsev and
• Alexander M. Gaskov

Beilstein J. Nanotechnol. 2019, 10, 1537–1547, doi:10.3762/bjnano.10.151

• measurements. The spectral research was carried out using the equipment purchased by funds of the Lomonosov Moscow State University Program of the Development. The SEM and EDX research was performed using the equipment of the Joint Research Center for Physical Methods of Research of Kurnakov Institute of

Direct observation of oxygen-vacancy formation and structural changes in Bi₂WO₆ nanoflakes induced by electron irradiation

• Hong-long Shi,
• Bin Zou,
• Zi-an Li,
• Min-ting Luo and
• Wen-zhong Wang

Beilstein J. Nanotechnol. 2019, 10, 1434–1442, doi:10.3762/bjnano.10.141

• a fine white powder consisting of flower-like aggregates (see the SEM image in the inset of Figure 1a). The typical size of the aggregates is about 20–30 μm. Energy-dispersive X-ray (EDX) spectroscopy indicates the presence of Bi, W, and O in these aggregates with the atomic ratio of ca. 2:1:6. Note

• = 1.5406 Å). Morphological analyses were carried out on a field-emission scanning electron microscope (SEM, Hitachi S-4800) equipped with an energy-dispersive X-ray spectroscopy (EDX) detector operating at 10 kV and 10 μA. Selected-area electron diffraction (SAED) and high-resolution transmission electron

Construction of a 0D/1D composite based on Au nanoparticles/CuBi₂O₄ microrods for efficient visible-light-driven photocatalytic activity

• Weilong Shi,
• Mingyang Li,
• Hongji Ren,
• Feng Guo,
• Xiliu Huang,
• Yu Shi and
• Yubin Tang

Beilstein J. Nanotechnol. 2019, 10, 1360–1367, doi:10.3762/bjnano.10.134

• distributed on the surface of the CBO microrods. EDX data in Figure 3c show the presence of Cu, Bi, O and small amounts of Au in the composite, further demonstrating that the 0D Au NPs have been loaded on the 1D CBO microrods. Additionally, the EDX–SEM mapping images (Figure S3, Supporting Information File 1

• work suggests a rational structure design of efficient photocatalysts for environmental remediation. Synthesis of Au/CBO composite. (a) XRD patterns of CBO and 2.5 wt % Au/CBO; (b) UV–vis diffuse reflectance spectra of as-prepared composites. (a, b) SEM images and (c) EDX spectrum of the 2.5 wt % Au