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

• spectroscopy (EDX) of these materials showed that in all cases the measured P/Ti ratios were close to the nominal ones, indicating that all the octylphosphonate units were incorporated in the materials (Table 1). The 31P solid-state NMR spectra of the hybrid materials (Figure 1) display a very broad signal in

• transients were recorded. The 31P chemical shift was determined using an external reference, hydroxyapatite Ca10(PO4)6(OH)2, at 2.8 ppm (with respect to H3PO4, 85 wt % in water). 31P CP magic angle spinning solid-state NMR spectra of the hybrid materials produced by the reaction of octylphosphonate, Ti(OiPr

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

• from an amorphous or less crystalline (impurity) phase [41]. Overall the XRD and solid-state NMR data support the FTIR spectroscopy spectra in that all methods detect some chemical changes in the zinc-based HYCA materials compared to the starting materials, thus confirming the formation of a real

First examples of organosilica-based ionogels: synthesis and electrochemical behavior

• Andreas Taubert,
• Ruben Löbbicke,
• Barbara Kirchner and
• Fabrice Leroux

Beilstein J. Nanotechnol. 2017, 8, 736–751, doi:10.3762/bjnano.8.77

• sulfonate groups, but also to amino groups of the linker and on to other sulfonates from there. This effect may contribute to the rather efficient conduction but the details are currently under investigation using solid-state NMR spectroscopy. The hypothesis of very mobile protons is however qualitatively

Liquid permeation and chemical stability of anodic alumina membranes

• Dmitrii I. Petukhov,
• Dmitrii A. Buldakov,
• Alexey A. Tishkin,
• Alexey V. Lukashin and
• Andrei A. Eliseev

Beilstein J. Nanotechnol. 2017, 8, 561–570, doi:10.3762/bjnano.8.60

• permeance occurred. The permeate solution also contained dissolved aluminum (Table 1). Alumina dissolution from the pore walls was also proved by 27Al solid state NMR spectroscopy of initial membranes and membranes after 500 L/m2 pure water filtration. The spectra for initial membrane AAO_40V was obtained

• different pH and (b) dependence of AAO membrane permeance with pH during flow of buffered solutions. 27Al solid-state NMR spectra of the initial membrane with pore diameter 40 ± 5 nm (AAO_40V_i) and the same membrane after 500 L/m2 pure water filtration (AAO_40V_w) (a) and the difference spectrum (b

Tailoring bifunctional hybrid organic–inorganic nanoadsorbents by the choice of functional layer composition probed by adsorption of Cu²⁺ ions

• Veronika V. Tomina,
• Inna V. Melnyk,
• Yuriy L. Zub,
• Aivaras Kareiva,
• Miroslava Vaclavikova,
• Gulaim A. Seisenbaeva and
• Vadim G. Kessler

Beilstein J. Nanotechnol. 2017, 8, 334–347, doi:10.3762/bjnano.8.36

• surface layers were analyzed by diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy, and 13C and 29Si solid-state NMR spectroscopy revealing their composition and organization. The fine chemical structure of the surface in the produced hybrid adsorbent particles and the ligand distribution

• particles was confirmed by IR spectroscopy (diffuse reflectance infrared Fourier transform, DRIFT, for details see Figure S6, Supporting Information File 1) and their structure was analyzed by solid-state NMR. All the 13C CP/MAS NMR spectra (Figure 3, Figure S2 and assignment in Tables S2 and S3, Supporting

Intercalation and structural aspects of macroRAFT agents into MgAl layered double hydroxides

• Dessislava Kostadinova,
• Ana Cenacchi Pereira,
• Muriel Lansalot,
• Franck D’Agosto,
• Elodie Bourgeat-Lami,
• Fabrice Leroux,
• Christine Taviot-Guého,
• Sylvian Cadars and
• Vanessa Prevot

Beilstein J. Nanotechnol. 2016, 7, 2000–2012, doi:10.3762/bjnano.7.191

• hydroxides; RAFT; solid-state NMR; Introduction Within the emergence of a wide range of organic–inorganic hybrid materials with interesting physical and chemical properties [1], hybrid layered double hydroxides (LDH) have attracted considerable attention in the scientific community [2][3]. LDH matrices are

• and the LDH layer within the hybrid phases, solid state NMR experiments were also performed. One-dimensional (1D) 13C quantitative and 13C{1H} CP-MAS NMR spectra of the P(AAn-stat-BAn)-CTPPA materials are presented in Figure 6c–f along with similar spectra collected for PAA49-CTPPA (Figure 6a,b

• . Zeta potentials of pristine LDH and macroRAFT-intercalated LDH were measured with a ZetaNano ZS (Malvern instruments) apparatus, using a laser Doppler electrophoresis. The measurements were performed in specific cells provided by Malvern Instruments Company. Solid-state NMR spectra were collected on a

Organoclay hybrid materials as precursors of porous ZnO/silica-clay heterostructures for photocatalytic applications

• Marwa Akkari,
• Pilar Aranda,
• Abdessalem Ben Haj Amara and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2016, 7, 1971–1982, doi:10.3762/bjnano.7.188

• /SiO2-SEP heterostructures. Samples SEP and SEP-CTA are the same than those in the previous study [22]. 29Si solid-state NMR spectra of (a) sepiolite and (b) ZnO/SiO2-SEP heterostructure. N2 adsorption–desorption isotherms at 77 K for SiO2-SEP (a) and ZnO/SiO2-SEP (b) heterostructures. C/Co (C0 = 3·10−5

Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide

• Gyeong-Hyeon Gwak,
• Istvan Kocsis,
• Yves-Marie Legrand,
• Mihail Barboiu and
• Jae-Min Oh

Beilstein J. Nanotechnol. 2016, 7, 1928–1935, doi:10.3762/bjnano.7.184

• . Supporting Information Supporting Information File 146: Adsorption isotherm, theoretical Langmuir plots, solid-state NMR spectra, and additional SEM images. Acknowledgements This work was supported by a grant from International Research & Development Program (NRF-2014K1A3A1A21001297) through the National

Sonochemical co-deposition of antibacterial nanoparticles and dyes on textiles

• Ilana Perelshtein,
• Anat Lipovsky,
• Nina Perkas,
• Tzanko Tzanov and
• Aharon Gedanken

Beilstein J. Nanotechnol. 2016, 7, 1–8, doi:10.3762/bjnano.7.1

• solid state 13C NMR. The reflectance spectra of cotton sonochemically coated with RO16 and RB5 were compared with the spectrum of untreated cotton. The solid state NMR spectra did not reveal any signal of the dyes. Apparently, the small amount of dye deposited on the fabric is below the detection limit

Nanoparticle shapes by using Wulff constructions and first-principles calculations

• Georgios D. Barmparis,
• Zbigniew Lodziana,
• Nuria Lopez and
• Ioannis N. Remediakis

Beilstein J. Nanotechnol. 2015, 6, 361–368, doi:10.3762/bjnano.6.35

• encounters severe difficulties: Techniques such as X-ray diffraction (XRD) or neutron scattering are not always applicable to systems with reduced length-scales and those consisting of the light elements. Only the local methods, such as solid state NMR, quasielastic neutron scattering (QENS), provide

Self-organizing bioinspired oligothiophene–oligopeptide hybrids

• Alexey K. Shaytan,
• Eva-Kathrin Schillinger,
• Elena Mena-Osteritz,
• Sylvia Schmid,
• Pavel G. Khalatur,
• Peter Bäuerle and
• Alexei R. Khokhlov

Beilstein J. Nanotechnol. 2011, 2, 525–544, doi:10.3762/bjnano.2.57

• progress in our understanding of the principles of fibril formation has been made owing to numerous experimental and theoretical studies and, importantly, the resolution of peptide arrangements at the atomistic level by means of X-ray crystallography and solid-state NMR [4][5][6]. The outstanding ability

• experimental measurements to elucidate. In particular cases, it becomes possible to gain insight into the intrinsic structure of the fibrils, e.g., by means of X-ray diffraction when the corresponding microcrystals can be obtained, or when sufficient solid state NMR data is available. However, for the majority