Green fabrication of lanthanide-doped hydroxide-based phosphors: Y(OH)₃:Eu³⁺ nanoparticles for white light generation

• Tugrul Guner,
• Anilcan Kus,
• Mehmet Ozcan,
• Aziz Genc,
• Hasan Sahin and
• Mustafa M. Demir

Beilstein J. Nanotechnol. 2019, 10, 1200–1210, doi:10.3762/bjnano.10.119

• diffraction (XRD; X’Pert Pro, Philips, Eindhoven, The Netherlands), while their morphology was characterized by scanning electron microscopy (SEM; Quanta 250, FEI, Hillsboro, OR, USA). High-resolution transmission electron microscopy (HRTEM) micrographs were obtained using an FEI Tecnai F20 field emission gun

Tailoring the magnetic properties of cobalt ferrite nanoparticles using the polyol process

• Malek Bibani,
• Romain Breitwieser,
• Alex Aubert,
• Vincent Loyau,
• Silvana Mercone,
• Souad Ammar and
• Fayna Mammeri

Beilstein J. Nanotechnol. 2019, 10, 1166–1176, doi:10.3762/bjnano.10.116

• circles) state. a) Representative scanning electron microscopy (SEM) image of the cobalt ferrite consolidated derivative and b) a schematic illustration of the custom-made magnetostriction measurement setup. Main structural features of the CoxFe3−xO4 nanoparticles, prepared by the polyol process. Blocking

Porous N- and S-doped carbon–carbon composite electrodes by soft-templating for redox flow batteries

• Maike Schnucklake,
• László Eifert,
• Jonathan Schneider,
• Roswitha Zeis and
• Christina Roth

Beilstein J. Nanotechnol. 2019, 10, 1131–1139, doi:10.3762/bjnano.10.113

• obtained inside the macroporous carbon felt. For the investigation of electrode structure and porosity X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and nitrogen sorption (BET) were used. The electrochemical performance of the carbon felts was evaluated by cyclic voltammetry

Synthesis and characterization of quaternary La(Sr)S–TaS₂ misfit-layered nanotubes

• Marco Serra,
• Erumpukuthickal Ashokkumar Anumol,
• Dalit Stolovas,
• Iddo Pinkas,
• Ernesto Joselevich,
• Reshef Tenne,
• Andrey Enyashin and
• Francis Leonard Deepak

Beilstein J. Nanotechnol. 2019, 10, 1112–1124, doi:10.3762/bjnano.10.111

• electron microscopy (SEM) was done by LEO model Supra 55VP SEM. Transmission electron microscopy (TEM) and scanning transmission electron microscopy (STEM) were performed on a Titan Themis 80-300 microscope with probe and image spherical aberration (Cs) correctors, at 200 kV. Energy-dispersive X-ray

• of the ampoule. The concentration of Sr in the precursor is expressed as atom % (i.e., 100 − atom % of La). MLC SrxLa1−xS–TaS2 nanotubes with varying Sr compositions (Sr atom %: 10%, 20%, 40%, 60%, corresponding to x = 0.1, 0.2, 0.4 and 0.6, respectively) were prepared. Electron microscopy Scanning

CuInSe₂ quantum dots grown by molecular beam epitaxy on amorphous SiO₂ surfaces

• Henrique Limborço,
• Pedro M.P. Salomé,
• Rodrigo Ribeiro-Andrade,
• Jennifer P. Teixeira,
• Nicoleta Nicoara,
• Kamal Abderrafi,
• Joaquim P. Leitão,
• Juan C. Gonzalez and
• Sascha Sadewasser

Beilstein J. Nanotechnol. 2019, 10, 1103–1111, doi:10.3762/bjnano.10.110

• this work we present samples prepared at substrate temperatures of 490, 530, and 580 °C; they will be referred to by their growth temperature. Characterization The surface morphology was determined by scanning electron microscopy (SEM) in a FEI Quanta 650 FEG SEM microscope. Scanning transmission

• representative scanning electron microscopy (SEM) images of each sample surface. At the lowest growth temperature, 490 °C, Figure 1a, there is already evidence that individualized and separated nanodots are formed on the surface. All samples presented a large areal density of crystalline nanodots with a

Fe₃O₄ nanoparticles as a saturable absorber for giant chirped pulse generation

• Ji-Shu Liu,
• Xiao-Hui Li,
• Abdul Qyyum,
• Yi-Xuan Guo,
• Tong Chai,
• Hua Xu and
• Jie Jiang

Beilstein J. Nanotechnol. 2019, 10, 1065–1072, doi:10.3762/bjnano.10.107

• FONP powder were measured by UV–vis–NIR spectroscopy, as shown in Figure 3d. From these results, 92% absorbance at 1560 nm can be observed. In Figure 4a–c, the microstructure of the FONP SA is confirmed via scanning electron microscopy (SEM) at the 4, 3 and 1 µm scale, respectively. It can be clearly

Rapid, ultraviolet-induced, reversibly switchable wettability of superhydrophobic/superhydrophilic surfaces

• Yunlu Pan,
• Wenting Kong,
• Bharat Bhushan and
• Xuezeng Zhao

Beilstein J. Nanotechnol. 2019, 10, 866–873, doi:10.3762/bjnano.10.87

• air-dry oven at 150 °C for 90 min after UV illumination. The switching time from superhydrophilic to superhydrophobic was found to be reduced with increasing heating temperature. Characterization The microstructure of the coating surfaces was studied using scanning electron microscopy (SEM, ZEISS

Towards rare-earth-free white light-emitting diode devices based on the combination of dicyanomethylene and pyranine as organic dyes supported on zinc single-layered hydroxide

• Jeff L. Nyalosaso,
• Rachod Boonsin,
• Pierre Vialat,
• Damien Boyer,
• Geneviève Chadeyron,
• Rachid Mahiou and
• Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 760–770, doi:10.3762/bjnano.10.75

• 65 °C. The composition of WEHP preparation is given in Table 4. Characterization methods The scanning electron microscopy (SEM) images of Zn-SLH powder were taken using a ZEISS Supra 55 FEG-VP instrument at 2MAtech (Clermont-Ferrand, France). The observations were carried out under high vacuum at 3

Self-assembly and wetting properties of gold nanorod–CTAB molecules on HOPG

• Imtiaz Ahmad,
• Floor Derkink,
• Tim Boulogne,
• Pantelis Bampoulis,
• Harold J. W. Zandvliet,
• Hidayat Ullah Khan,
• Rahim Jan and
• E. Stefan Kooij

Beilstein J. Nanotechnol. 2019, 10, 696–705, doi:10.3762/bjnano.10.69

• drying on a nonwetting highly ordered pyrolytic graphite (HOPG) surface have been investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Although SEM did not reveal coverage of CTAB layers, AFM showed not only CTAB assembly, but also the dynamics of the process on the

• such studies could be relevant especially in those areas where conversion of a nonwetting surface (or some particular regions of a surface) to a wetting ones is desired. Also, the presence of such CTAB layers (which cannot be observed using scanning electron microscopy (SEM)) between the substrate and

• centrifuge tube. Characterization techniques Scanning electron microscopy (SEM) imaging of the samples was undertaken with a Zeiss 1550 system (optimum resolution ≈1 nm at 2 kV accelerating voltage). Tapping-mode AFM imaging was carried out with an Agilent 5100 atomic force microscope using HQ:NSC35/Al

Outstanding chain-extension effect and high UV resistance of polybutylene succinate containing amino-acid-modified layered double hydroxides

• Adam A. Marek,
• Vincent Verney,
• Christine Taviot-Gueho,
• Grazia Totaro,
• Laura Sisti,
• Annamaria Celli and
• Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 684–695, doi:10.3762/bjnano.10.68

• suggests that the organic molecules tethered to LDH platelets may have a more jammed effect as evidenced previously [27]. The powdered flake structure of LDH/PHE observed by scanning electron microscopy (SEM) (Supporting Information File 1, Figure S4) may also contribute to the strong interaction with PBS

Ultrathin hydrophobic films based on the metal organic framework UiO-66-COOH(Zr)

• Miguel A. Andrés,
• Clemence Sicard,
• Christian Serre,
• Olivier Roubeau and
• Ignacio Gascón

Beilstein J. Nanotechnol. 2019, 10, 654–665, doi:10.3762/bjnano.10.65

• OPD/MOF ultrathin films have been fabricated onto glass, calcium fluoride, quartz crystal microbalance (QCM), Si(100) substrates and mica and characterized using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), atomic force microscopy (AFM

• radiation source operated at 40 kV and 80 mA (average Kα radiation λ = 1.5418 Å). The sorption measurements were performed at 77 K on a BEL Japan Belsorp Mini apparatus using N2 as the probing gas. The samples were outgassed at 50 °C under vacuum for 24 h (BEL Japan, Belsorp Prep). Scanning electron

• microscopy (SEM) images were recorded on a JEOL JSM-7001F microscope. The samples were coated with a layer of gold. Langmuir, Langmuir–Blodgett and reverse Langmuir–Schaefer film fabrication and characterization The experimental methodology is similar to that described in [21][26][28]. Langmuir film

Topochemical engineering of composite hybrid fibers using layered double hydroxides and abietic acid

• Liji Sobhana,
• Lokesh Kesavan,
• Jan Gustafsson and
• Pedro Fardim

Beilstein J. Nanotechnol. 2019, 10, 589–605, doi:10.3762/bjnano.10.60

• vibrations of –COOH. Consequently, the presence of characteristic vibrational frequencies of functional groups confirmed the presence of cellulose, LDH and AA in the respective materials. Microscopic Studies Morphology Scanning electron microscopy (SEM) observations of the pulp fibers (REF, C-F, HF, C

Ceria/polymer nanocontainers for high-performance encapsulation of fluorophores

• Kartheek Katta,
• Dmitry Busko,
• Yuri Avlasevich,
• Katharina Landfester,
• Stanislav Baluschev and
• Rafael Muñoz-Espí

Beilstein J. Nanotechnol. 2019, 10, 522–530, doi:10.3762/bjnano.10.53

• electron microscopy (SEM) with a LEO Gemini 1530 field-emission microscope operated with an extractor voltage of 0.7 kV. Samples for SEM observation were prepared by dropping the diluted dispersions on small silicon wafers that were subsequently dried. EDX analysis combined with elemental mapping was

• groups per nm2 was obtained for samples NC and NC(Ar). Transmission electron microscopy (TEM) was carried out with a Jeol 1400 microscope at an acceleration voltage of 200 kV. Samples for TEM observation were prepared by dropping the diluted dispersions on carbon-coated copper grids and dried. Scanning

A porous 3D-RGO@MWCNT hybrid material as Li–S battery cathode

• Yongguang Zhang,
• Jun Ren,
• Yan Zhao,
• Taizhe Tan,
• Fuxing Yin and
• Yichao Wang

Beilstein J. Nanotechnol. 2019, 10, 514–521, doi:10.3762/bjnano.10.52

• (SmartLab, Rigaku Corporation) with Cu Ka radiation. X-ray photoelectron spectroscopy (XPS, Shimadzy Axis Ultra) was applied to investigate the chemical valence states and compositions of the sample. Scanning electron microscopy (SEM, Hitachi S4800) and high-resolution transmission electron microscopy

Temperature-dependent Raman spectroscopy and sensor applications of PtSe₂ nanosheets synthesized by wet chemistry

• Mahendra S. Pawar and
• Dattatray J. Late

Beilstein J. Nanotechnol. 2019, 10, 467–474, doi:10.3762/bjnano.10.46

• to in-plane vibration due to the opposite motion of the upper and lower Se atoms. The A1g mode in the Raman spectra corresponds to the out-of-plane vibration of Se atoms [22][28]. Morphological investigations were carried out using scanning electron microscopy (SEM). Figure 2a–c shows SEM images of

Ultraviolet patterns of flowers revealed in polymer replica – caused by surface architecture

• Anna J. Schulte,
• Matthias Mail,
• Lisa A. Hahn and
• Wilhelm Barthlott

Beilstein J. Nanotechnol. 2019, 10, 459–466, doi:10.3762/bjnano.10.45

• -reflecting area is at the petal tip (white area). These UV-patterns are common patterns in angiosperm flowers [7]. For the analysis of the surface architecture parameters, scanning electron microscopy (SEM) images of the UV-absorbing (Figure 2, left images) and the UV-reflecting (Figure 2, right images

• injection resin (RECKLI Injektionsharz EP, RECKLI GmbH, Herne, Germany). Scanning electron microscopy (SEM) Images were recorded using a Cambridge Stereoscan 200 SEM (Zeiss GmbH, Oberkochen, Germany). A digital image processing system (DISS 5, Version 5.4.17.0, Point Electronic GmbH, Halle, Germany) was

Advanced scanning probe lithography using anatase-to-rutile transition to create localized TiO₂ nanorods

• Julian Kalb,
• Vanessa Knittel and
• Lukas Schmidt-Mende

Beilstein J. Nanotechnol. 2019, 10, 412–418, doi:10.3762/bjnano.10.40

• in cold tap water. Scanning electron microscopy (SEM) images were taken with a Zeiss CrossBeam 1540XB. An Olympus BX51 optical microscope with a 250× objective was employed for bright-field optical images. For reference samples prepared by electron-beam lithography, poly(methyl methacrylate) (PMMA

Integration of LaMnO_3+δ films on platinized silicon substrates for resistive switching applications by PI-MOCVD

• Raquel Rodriguez-Lamas,
• Dolors Pla,
• Odette Chaix-Pluchery,
• Benjamin Meunier,
• Fabrice Wilhelm,
• Andrei Rogalev,
• Laetitia Rapenne,
• Xavier Mescot,
• Quentin Rafhay,
• Hervé Roussel,
• Michel Boudard,
• Carmen Jiménez and
• Mónica Burriel

Beilstein J. Nanotechnol. 2019, 10, 389–398, doi:10.3762/bjnano.10.38

• ). Structural and electrical characterization Scanning electron microscopy (SEM) was performed in a Quanta250 environmental SEM FEG from FEI, and SEM FEG ZEISS GeminiSEM 500 to study the surface morphology and determine the LMO thickness using the cross section of the films. The cationic film composition was

One-step nonhydrolytic sol–gel synthesis of mesoporous TiO₂ phosphonate hybrid materials

• Yanhui Wang,
• P. Hubert Mutin and
• Johan G. Alauzun

Beilstein J. Nanotechnol. 2019, 10, 356–362, doi:10.3762/bjnano.10.35

• spectrum of TiP0.2, indicating highly disordered TiO2 domains. Scanning electron microscopy (SEM) images of the TiO2 sample and of the TiO2–octylphosphonate hybrid materials are displayed in Figure 5. The morphology of the samples did not significantly depend on the P/Ti ratio: all samples appeared to be

Removal of toxic heavy metals from river water samples using a porous silica surface modified with a new β-ketoenolic host

• Said Tighadouini,
• Smaail Radi,
• Abderrahman Elidrissi,
• Khadija Haboubi,
• Maryse Bacquet,
• Stéphanie Degoutin,
• Mustapha Zaghrioui and
• Yann Garcia

Beilstein J. Nanotechnol. 2019, 10, 262–273, doi:10.3762/bjnano.10.25

• characterized by elemental analysis, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) images, thermogravimetric analysis (TGA) and nitrogen adsorption–desorption isotherms. Physical methods. Atomic adsorption measurements were performed on a Varian A.A. 400 spectrophotometer

Relation between thickness, crystallite size and magnetoresistance of nanostructured La_1−xSr_xMn_yO_3±δ films for magnetic field sensors

• Rasuole Lukose,
• Valentina Plausinaitiene,
• Milita Vagner,
• Nerija Zurauskiene,
• Skirmantas Kersulis,
• Virgaudas Kubilius,
• Karolis Motiejuitis,
• Birute Knasiene,
• Voitech Stankevic,
• Zita Saltyte,
• Martynas Skapas,
• Algirdas Selskis and
• Evaldas Naujalis

Beilstein J. Nanotechnol. 2019, 10, 256–261, doi:10.3762/bjnano.10.24

• electron microscopy (TEM) analysis (Figure 1a,b) shows the column-like growth with larger dimensions and more dense, close packing of the crystallites for the II series. Film composition, structure and surface morphology Figure 2a–c presents scanning electron microscopy (SEM) images of the films with

Study of silica-based intrinsically emitting nanoparticles produced by an excimer laser

• Imène Reghioua,
• Mattia Fanetti,
• Sylvain Girard,
• Diego Di Francesca,
• Simonpietro Agnello,
• Layla Martin-Samos,
• Marco Cannas,
• Matjaz Valant,
• Melanie Raine,
• Marc Gaillardin,
• Nicolas Richard,
• Philippe Paillet,
• Aziz Boukenter,
• Youcef Ouerdane and
• Antonino Alessi

Beilstein J. Nanotechnol. 2019, 10, 211–221, doi:10.3762/bjnano.10.19

• name, the amount of Ge doping and the employed energy per pulse are indicated. Figure 1a illustrates a scanning electron microscopy (SEM) image of an agglomerate/aggregate of nanoparticles recorded for the sample A. From this image, its inset and panel b, we can observe the presence of nanoparticles of

• of the silica by facilitating energy absorption processes such as multiphoton absorption or by introducing absorbing point defects. Defect generation in bulk pure silica before nanoparticle production starts is also suggested by our results. Regarding the Ge-doped samples, scanning electron

• microscopy (SEM) and cathodoluminescence (CL) investigations revealed a good correspondence between the morphology of the generated particles and their emission signal due to the germanium lone pair center (GLPC), regardless of the energy per pulse used for their production. This suggests a reasonable

Uniform Sb₂S₃ optical coatings by chemical spray method

• Jako S. Eensalu,
• Atanas Katerski,
• Erki Kärber,
• Ilona Oja Acik,
• Arvo Mere and
• Malle Krunks

Beilstein J. Nanotechnol. 2019, 10, 198–210, doi:10.3762/bjnano.10.18

• . Based on the scanning electron microscopy (SEM) images, preliminary experiments revealed that spraying Sb/S 1:6 solutions consistently yielded twice thinner layers compared to layers deposited from Sb/S 1:3 solutions. Sb2S3 layers of comparable thickness were deposited by spraying Sb/S 1:6 solutions for

pH-mediated control over the mesostructure of ordered mesoporous materials templated by polyion complex micelles

• Emilie Molina,
• Mélody Mathonnat,
• Jason Richard,
• Patrick Lacroix-Desmazes,
• Martin In,
• Philippe Dieudonné,
• Thomas Cacciaguerra,
• Corine Gérardin and
• Nathalie Marcotte

Beilstein J. Nanotechnol. 2019, 10, 144–156, doi:10.3762/bjnano.10.14

• empty capillary. Transmission electron microscopy (TEM) images were acquired on microtomed samples (slices of ≈70 nm thickness) with a JEOL 1200 EX II instrument operating at 120 kV. Material characterization by scanning electron microscopy (SEM) was done on a HITACHI S4800 (FEG-HR) apparatus operating

New micro/mesoporous nanocomposite material from low-cost sources for the efficient removal of aromatic and pathogenic pollutants from water

• Emmanuel I. Unuabonah,
• Robert Nöske,
• Jens Weber,
• Christina Günter and
• Andreas Taubert

Beilstein J. Nanotechnol. 2019, 10, 119–131, doi:10.3762/bjnano.10.11

• divergence and antiscatter slit and a large Nibeta filter. The detector was set to continuous mode with an active length of 3.0061°. Scanning electron microscopy (SEM) and specific surface area analysis SEM analysis was performed on a Japan Electron Optics Laboratory JSM 6510 with an energy dispersive X-ray