Search results

Search for "vibration" in Full Text gives 323 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Perovskite-structured CaTiO3 coupled with g-C3N4 as a heterojunction photocatalyst for organic pollutant degradation

  • Ashish Kumar,
  • Christian Schuerings,
  • Suneel Kumar,
  • Ajay Kumar and
  • Venkata Krishnan

Beilstein J. Nanotechnol. 2018, 9, 671–685, doi:10.3762/bjnano.9.62

Graphical Abstract
  • –C units. The peaks at 1398 cm−1, 1540 cm−1 and 1636 cm−1 correspond to the stretching vibration of aromatic C–N bonds [16][34]. The broad peak from 3000–3600 cm−1 can be assigned to the terminal NH or NH2 groups of the aromatic rings and O–H stretching of surface hydroxyl groups [20]. The FTIR
  • spectrum of CT nanoflakes shows three distinct peaks at 435 cm−1, 540 cm−1 and 1420 cm−1 corresponding to the stretching vibrations of Ti–O, bridging stretching modes of Ti–O–Ti and bending vibration of CO32− ions which is consistent with the literature [43]. The FTIR spectrum of the CTCN heterojunction
PDF
Album
Supp Info
Full Research Paper
Published 21 Feb 2018

Ultralight super-hydrophobic carbon aerogels based on cellulose nanofibers/poly(vinyl alcohol)/graphene oxide (CNFs/PVA/GO) for highly effective oil–water separation

  • Zhaoyang Xu,
  • Huan Zhou,
  • Sicong Tan,
  • Xiangdong Jiang,
  • Weibing Wu,
  • Jiangtao Shi and
  • Peng Chen

Beilstein J. Nanotechnol. 2018, 9, 508–519, doi:10.3762/bjnano.9.49

Graphical Abstract
  • of hydroxy groups), 2893 cm−1 (C–H stretching), 1640 cm−1 (H–O–H bending of the absorbed water), 1431 cm−1 (–CH2 bending), 1369 cm−1 (O–H bending) and 1029 cm−1 (C–O–C stretching vibrations) [27]. In Figure 3b, pure PVA showed peaks at 3280 cm−1 (O–H stretching vibration of hydroxy group), 2914 cm−1
  • (saturated CH2/CH3 groups, stretching vibration), 1714 cm−1 (C=O stretching), 1425 cm−1 (CH stretching) and 1083 cm−1 (C–O–C stretching vibrations) [28]. In Figure 3c, the characteristic peaks of GO, which are located at 1714 cm−1, 1586 cm−1 and 1031 cm−1, are due to C=O in carboxylic acid and carbonyl
  • previous studies [19][29], which is in agreement with the SEM results. FTIR can only be used to detect signals from molecules with infrared activity. Therefore, Raman spectroscopy analysis was studied to detect the stretching vibration characteristic peak of homonuclear diatomic pairs. The Raman spectrum
PDF
Album
Full Research Paper
Published 12 Feb 2018

Facile synthesis of ZnFe2O4 photocatalysts for decolourization of organic dyes under solar irradiation

  • Arjun Behera,
  • Debasmita Kandi,
  • Sanjit Manohar Majhi,
  • Satyabadi Martha and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 436–446, doi:10.3762/bjnano.9.42

Graphical Abstract
  • in the region of 1650–1550 cm−1 (red lines) represent the stretching vibration and deformation vibration of surface-adsorbed hydroxy groups. The peak centred at 2350 cm−1 is characteristic for anti-symmetrical stretching mode of dissolved carbon dioxide [32]. The stretching band in the region of 590
PDF
Album
Full Research Paper
Published 05 Feb 2018

Sugarcane juice derived carbon dot–graphitic carbon nitride composites for bisphenol A degradation under sunlight irradiation

  • Lan Ching Sim,
  • Jing Lin Wong,
  • Chen Hong Hak,
  • Jun Yan Tai,
  • Kah Hon Leong and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2018, 9, 353–363, doi:10.3762/bjnano.9.35

Graphical Abstract
  • –H stretch, respectively. The presence of N–H stretching vibration modes is due to some uncondensed amine functional groups in the carbon nitride layer [51]. The band in the range of 1230–1650 cm−1 corresponded to the stretching of sp3 C–N and sp2 C=N in CN heterocycles that exists within the g-C3N4
  • File 1), the CDs show the obvious absorption peaks at 2925 cm−1, 1608 cm−1 and 670 cm−1 which are correlated to the stretching vibrations of C–H, stretching vibrations of C=O, and bending vibration of =C–H, respectively. The three obvious absorption peaks at 2368 cm−1, 1409 cm−1 and 1095 cm−1 are
PDF
Album
Supp Info
Full Research Paper
Published 30 Jan 2018

Synthesis and characterization of electrospun molybdenum dioxide–carbon nanofibers as sulfur matrix additives for rechargeable lithium–sulfur battery applications

  • Ruiyuan Zhuang,
  • Shanshan Yao,
  • Maoxiang Jing,
  • Xiangqian Shen,
  • Jun Xiang,
  • Tianbao Li,
  • Kesong Xiao and
  • Shibiao Qin

Beilstein J. Nanotechnol. 2018, 9, 262–270, doi:10.3762/bjnano.9.28

Graphical Abstract
  • 500–850 cm−1 were attributed to Mo–O–Mo, indicating the occurrence of crystallization [28]. Both the Raman spectra and XRD results suggested that MoO2–CNFs were formed through a subsequent annealing process. The broad band at 3400 cm−1 was attributed to the O–H stretching vibration due to absorbed H2O
PDF
Album
Supp Info
Full Research Paper
Published 24 Jan 2018

Bombyx mori silk/titania/gold hybrid materials for photocatalytic water splitting: combining renewable raw materials with clean fuels

  • Stefanie Krüger,
  • Michael Schwarze,
  • Otto Baumann,
  • Christina Günter,
  • Michael Bruns,
  • Christian Kübel,
  • Dorothée Vinga Szabó,
  • Rafael Meinusch,
  • Verónica de Zea Bermudez and
  • Andreas Taubert

Beilstein J. Nanotechnol. 2018, 9, 187–204, doi:10.3762/bjnano.9.21

Graphical Abstract
  • band intensities compared to the Au-free samples. As a result, the Raman spectra of TPS_Aux and TS_Aux can be analyzed in detail. The Raman spectra obtained for “bulk” anatase typically show O–Ti–O vibration bands at 144, 197, and 640 cm−1 from the Eg symmetric stretching vibration, at 400 and 519 cm−1
  • from the B1g, symmetric bending vibration, and at 513 cm−1 from the A1g asymmetric bending vibration [63][74]. The bands at 519 and 513 cm−1 overlap in the current spectra although they are known to be separated below 73 K [63][74]. In the case of nanoparticles (vs bulk TiO2), broader signals and a red
  • or blue shift in the Raman bands are observed [75]. The O–Ti–O vibration bands observed in Figure 6 are located at 626, 509, 409, 209, and 151 cm−1. The band at 151 cm−1 is the most intense and sharpest signal. The 209 cm−1 band is very weak and its intensity increases in the presence of Au. The
PDF
Album
Supp Info
Full Research Paper
Published 17 Jan 2018

Co-reductive fabrication of carbon nanodots with high quantum yield for bioimaging of bacteria

  • Jiajun Wang,
  • Xia Liu,
  • Gesmi Milcovich,
  • Tzu-Yu Chen,
  • Edel Durack,
  • Sarah Mallen,
  • Yongming Ruan,
  • Xuexiang Weng and
  • Sarah P. Hudson

Beilstein J. Nanotechnol. 2018, 9, 137–145, doi:10.3762/bjnano.9.16

Graphical Abstract
  • carbon can be clearly detected for Sa, Sb and Se. The D-band, located at 1387 cm−1, correlates to the disorder or defects in the graphitized structure (sp3-hybridized carbon), while the G-band (1540 cm−1) is assigned to the E2g mode of graphite and corresponds to the vibration of sp2-bonded carbon atoms
PDF
Album
Supp Info
Full Research Paper
Published 12 Jan 2018

L-Lysine-grafted graphene oxide as an effective adsorbent for the removal of methylene blue and metal ions

  • Yan Yan,
  • Jie Li,
  • Fangbei Kong,
  • Kuankuan Jia,
  • Shiyu He and
  • Baorong Wang

Beilstein J. Nanotechnol. 2017, 8, 2680–2688, doi:10.3762/bjnano.8.268

Graphical Abstract
  • materials were characterized by FTIR analysis (Figure 1). For GO, aromatic C=C and C=O stretching vibrations can be clearly seen at ca. 1630 and 1743 cm−1. The strong peaks around 3438 and 1400 cm−1 are ascribed to absorbed water. After L-lysine was grafted onto GO, the CH/CH2 stretching vibration of the
PDF
Album
Full Research Paper
Published 13 Dec 2017

Synthesis of [{AgO2CCH2OMe(PPh3)}n] and theoretical study of its use in focused electron beam induced deposition

  • Jelena Tamuliene,
  • Julian Noll,
  • Peter Frenzel,
  • Tobias Rüffer,
  • Alexander Jakob,
  • Bernhard Walfort and
  • Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 2615–2624, doi:10.3762/bjnano.8.262

Graphical Abstract
  • ]. This study was performed with 3-21G for Ag and 6-31++G** for the other atoms to satisfy both accuracy of the investigations and appropriate computing time and resources. The structure parameters of [AgO2CCH2OMe(PPh3)] and fragments thereof have been optimized with no symmetry constraint. The vibration
PDF
Album
Supp Info
Full Research Paper
Published 06 Dec 2017

Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions

  • Youngsang Kim,
  • Safa G. Bahoosh,
  • Dmytro Sysoiev,
  • Thomas Huhn,
  • Fabian Pauly and
  • Elke Scheer

Beilstein J. Nanotechnol. 2017, 8, 2606–2614, doi:10.3762/bjnano.8.261

Graphical Abstract
  • closed forms of the photochromic molecule. For both isomeric molecular states, the features observed in the IET spectra are assigned with the help of computations that take the electron-vibration (EV) coupling into account. Results and Discussion The C5F-ThM photochromic molecule, used in this work, is
PDF
Album
Full Research Paper
Published 06 Dec 2017

Numerical investigation of the tribological performance of micro-dimple textured surfaces under hydrodynamic lubrication

  • Kangmei Li,
  • Dalei Jing,
  • Jun Hu,
  • Xiaohong Ding and
  • Zhenqiang Yao

Beilstein J. Nanotechnol. 2017, 8, 2324–2338, doi:10.3762/bjnano.8.232

Graphical Abstract
  • Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China 10.3762/bjnano.8.232 Abstract Surface texturing is an important approach for
PDF
Album
Full Research Paper
Published 06 Nov 2017

Adsorbate-driven cooling of carbene-based molecular junctions

  • Giuseppe Foti and
  • Héctor Vázquez

Beilstein J. Nanotechnol. 2017, 8, 2060–2068, doi:10.3762/bjnano.8.206

Graphical Abstract
  • vibration couplings and the left and right spectral densities: In our analysis the damping term Jλ in Equation 1 is introduced as an external parameter. We assume a constant damping of vibrational modes into bulk phonons of Jλ/2 = JL = JR = 5 × 1010 Hz. In the following we thus omit the label λ in the
  • includes all contributions. We checked that setting the elements of the electron–vibration coupling matrix Mλ to zero would yield the same result. This is expected since the energy-dependent rates are obtained from the trace of the matrix products (Equation 4) where only diagonal terms contribute. Notice
PDF
Album
Supp Info
Full Research Paper
Published 02 Oct 2017

Preparation and characterization of polycarbonate/multiwalled carbon nanotube nanocomposites

  • Claudio Larosa,
  • Niranjan Patra,
  • Marco Salerno,
  • Lara Mikac,
  • Remo Merijs Meri and
  • Mile Ivanda

Beilstein J. Nanotechnol. 2017, 8, 2026–2031, doi:10.3762/bjnano.8.203

Graphical Abstract
  • from the phenyl group (benzene ring) occurs at ≈1600 cm−1 and the C=C bond vibration at 1504 cm−1. The stretching of the ester group (O–C–O) occurs from 1165 to 1232 cm−1 [21]. Comparing the spectral band of bare PC with the 1, 2, and 3% MWCNT-loaded nanocomposites reveals that the carbonyl band (C=O
  • ) in the spectrum of the former is shifted from 1788 to 1768 cm−1. The C=C band at 1518 cm−1 is shifted to 1504 cm−1 and the bands at 1233 and 1200 cm−1 in the region of the asymmetric O–C–O stretching vibration are transferred to a band at 1218 cm−1 with a shoulder at 1258 cm−1. The changes in the
PDF
Album
Full Research Paper
Published 27 Sep 2017

Synthesis and functionalization of NaGdF4:Yb,Er@NaGdF4 core–shell nanoparticles for possible application as multimodal contrast agents

  • Dovile Baziulyte-Paulaviciene,
  • Vitalijus Karabanovas,
  • Marius Stasys,
  • Greta Jarockyte,
  • Vilius Poderys,
  • Simas Sakirzanovas and
  • Ricardas Rotomskis

Beilstein J. Nanotechnol. 2017, 8, 1815–1824, doi:10.3762/bjnano.8.183

Graphical Abstract
  • peaks of oleate ligands. The absorption peak at 1710 cm−1 (Figure 3f) corresponds to the stretching vibration of C=O in pure oleic acid (Figure 3a) which is replaced by two carboxylate stretching bands (1560 and 1447 cm−1 in Figure 3e), which indicates oleate ligand adsorption on the UCNP surface. Tween
PDF
Album
Supp Info
Full Research Paper
Published 01 Sep 2017

Methionine-mediated synthesis of magnetic nanoparticles and functionalization with gold quantum dots for theranostic applications

  • Arūnas Jagminas,
  • Agnė Mikalauskaitė,
  • Vitalijus Karabanovas and
  • Jūrate Vaičiūnienė

Beilstein J. Nanotechnol. 2017, 8, 1734–1741, doi:10.3762/bjnano.8.174

Graphical Abstract
  • νas(COO) and symmetric νs(COO) stretching vibrations of the COO− group, whereas the bands in the spectral region of 1277–1341 cm−1 are due to the coupled vibration of CH2 antisymmetric deformation and CH deformation modes [35][36]. According to the literature data [27], the band at 1516 cm−1 is
  • associated with the symmetric deformation vibration of NH3+, δs(NH3). Besides, the typical methionine S–C stretching mode at 685 cm−1 [37][38] and a clear resolved C–S–C stretching mode, ν(CSC), peaked at 554 cm−1 [39] are present in the spectrum. In the FTIR spectra of methionine and methionine sulfoxide a
  • NPs can also be proven by the presence of the vibration modes in the frequency range of 2961–2855 cm−1, attributable to the symmetric stretching of NH3+ ions [42]. The frequency of νs(COO) downshifts from 1414 to 1387 cm−1 upon stabilization of ferrite NPs with methionine molecules. The band near 1515
PDF
Album
Full Research Paper
Published 22 Aug 2017

Fluorination of vertically aligned carbon nanotubes: from CF4 plasma chemistry to surface functionalization

  • Claudia Struzzi,
  • Mattia Scardamaglia,
  • Jean-François Colomer,
  • Alberto Verdini,
  • Luca Floreano,
  • Rony Snyders and
  • Carla Bittencourt

Beilstein J. Nanotechnol. 2017, 8, 1723–1733, doi:10.3762/bjnano.8.173

Graphical Abstract
  • in the CF4 plasma discharge or they are formed due to ionization inside the mass spectrometer; the full range FTIR spectra are shown in Figure S2 in Supporting Information File 1. The characteristic region of the C–F bond stretching vibration in FTIR spectra ranges from 1218 to 1310 cm−1 (Figure 2b
  • modes in the 1278–1287 cm−1 region reduces further loosing nearly 50% of the initial absorbance intensity when an applied power of 250 W is used. The two frames in Figure 2b detail the peaks located at 1261 and at 1286 cm−1. The peak at 1261 cm−1 is associated to the vibration mode of CF3 radical [11
  • decreases due to conversion process taking place with other species in the discharge. On the other hand, the absorbance intensity trend of the CF2 vibration doesn’t show correspondence with its relative signal acquired with the mass spectrum: reactions involving this fragment may occur at higher powers just
PDF
Album
Supp Info
Full Research Paper
Published 21 Aug 2017

Effect of the fluorination technique on the surface-fluorination patterning of double-walled carbon nanotubes

  • Lyubov G. Bulusheva,
  • Yuliya V. Fedoseeva,
  • Emmanuel Flahaut,
  • Jérémy Rio,
  • Christopher P. Ewels,
  • Victor O. Koroteev,
  • Gregory Van Lier,
  • Denis V. Vyalikh and
  • Alexander V. Okotrub

Beilstein J. Nanotechnol. 2017, 8, 1688–1698, doi:10.3762/bjnano.8.169

Graphical Abstract
  • SWCNTs with vibration frequencies at 1220, 1100, and 1050 cm−1 [41]. The weakening of a covalent bond in this series was explained by a hyperconjugation with the π-electron system. Asanov et al. selected four bands for the fluorinated graphite spectrum, which were assigned to vibrations of a CF group
  • surrounded by three CF neighbors (1230 cm−1), two CF neighbors and one bare carbon atom (1132 cm−1), one CF neighbor and two bare carbon atoms (1095 cm−1), and three bare carbon atoms (1045 cm−1) [42]. Evidently, the vibration of a certain bond may change its frequency depending of the curvature and type of
PDF
Album
Supp Info
Full Research Paper
Published 15 Aug 2017

High-speed dynamic-mode atomic force microscopy imaging of polymers: an adaptive multiloop-mode approach

  • Juan Ren and
  • Qingze Zou

Beilstein J. Nanotechnol. 2017, 8, 1563–1570, doi:10.3762/bjnano.8.158

Graphical Abstract
  • imaging because an increase of the speed can cause a loss of the tip–sample interaction and/or the annihilation of the cantilever tapping vibration, particularly when the imaging size is large. Existing efforts on high-speed TM imaging [6][7][8][9] only led to a speed increase up to three times at the
  • . Experimental Adaptive multiloop-mode imaging The AMLM aims to achieve high-speed dynamic-mode imaging by precisely tracking the sample topography, while minimizing the mean tip–sample interaction force per vibration period, . The key to the optimization of the mean tip–sample interaction force is to accurately
  • track the sample topography by the AFM z-axis piezo. AMLM imaging introduces a feedback control of inner–outer loop structure to regulate the mean cantilever deflection per vibration period (called the TM-deflection). Thus the averaged (vertical) position of the cantilever in each tapping period is kept
PDF
Album
Full Research Paper
Published 02 Aug 2017

Synthesis of [Fe(Leq)(Lax)]n coordination polymer nanoparticles using blockcopolymer micelles

  • Christoph Göbel,
  • Ottokar Klimm,
  • Florian Puchtler,
  • Sabine Rosenfeldt,
  • Stephan Förster and
  • Birgit Weber

Beilstein J. Nanotechnol. 2017, 8, 1318–1327, doi:10.3762/bjnano.8.133

Graphical Abstract
  •  1, Figure S4. The increasing relative intensity of the C=O stretching vibration of [FeLeq] clearly indicates the formation of the coordination polymer in the matrix. Elemental analysis also confirms the increasing concentration of the coordination polymer in the BCP micelle with an increasing
PDF
Album
Supp Info
Full Research Paper
Published 26 Jun 2017

Oxidative chemical vapor deposition of polyaniline thin films

  • Yuriy Y. Smolin,
  • Masoud Soroush and
  • Kenneth K. S. Lau

Beilstein J. Nanotechnol. 2017, 8, 1266–1276, doi:10.3762/bjnano.8.128

Graphical Abstract
  • peak at 1382 cm−1, assigned to CN stretching vibration in the quinoid region, is smaller, which further confirms that the LT-BC film contains a smaller amount of quinoid groups. Previous work on oCVD PEDOT showed similar trends with a lower stage temperature yielding lower conjugation length and dopant
PDF
Album
Supp Info
Full Research Paper
Published 16 Jun 2017

Metal oxide nanostructures: preparation, characterization and functional applications as chemical sensors

  • Dario Zappa,
  • Angela Bertuna,
  • Elisabetta Comini,
  • Navpreet Kaur,
  • Nicola Poli,
  • Veronica Sberveglieri and
  • Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2017, 8, 1205–1217, doi:10.3762/bjnano.8.122

Graphical Abstract
  • are detected in the Raman spectrum in Figure 3. The peaks located at 489, 624 and 764 cm−1 are related to Eg, A1g and B2g vibration modes, respectively. These peaks are the common Raman peaks of tetragonal rutile bulk SnO2, as reported in literature [6]. The ZnO Raman spectrum is reported in Figure 4
  • . Typical modes for ZnO crystals are a longitudinal optical (LO) mode, measured at 584 cm−1, and the transverse A1 mode, measured at 380 cm−1. Moreover, there are one E2 vibration at 433 cm−1 and one transverse (TO) mode E1 at about 400 cm−1, which is contributing to the tail of the E2 peak. The signal at
  • 331 cm−1 is a second-order vibration. Thermal oxidation technique: WO3 Thermal oxidation of metallic tungsten films resulted in a disordered mats of tungsten oxide nanowires, covering all the patterned area of the substrates. Figure 5 reports a SEM picture of the nanowires, at 50k magnification
PDF
Album
Full Research Paper
Published 06 Jun 2017

Synthesis, spectroscopic characterization and thermogravimetric analysis of two series of substituted (metallo)tetraphenylporphyrins

  • Rasha K. Al-Shewiki,
  • Carola Mende,
  • Roy Buschbeck,
  • Pablo F. Siles,
  • Oliver G. Schmidt,
  • Tobias Rüffer and
  • Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 1191–1204, doi:10.3762/bjnano.8.121

Graphical Abstract
  • difference is nicely reflected in the intensities and shapes of the νas(C–H) and νs(C–H) absorptions. Among 2/2a–d only for 2a and 2c all three possible absorptions could be observed, while further members exhibit only one νs(C–H) and the νas(C–H) vibration (Supporting Information File 1). For 3/3a–d the νas
  • (C–H) vibration is always the most intensive one at 2970 ± 1 cm−1, followed by a less intensive first νs(C–H) absorption (2932 ± 1 cm−1) and a third even less intensive νs(C–H) band (2874 ± 4 cm−1). Due to these different spectral features it is possible to differentiate between a type 2/2a–d or 3/3a
  • weak. Likely, this is due to the substitution of the aromatic C6H4 rings, decreasing the intensities of these vibrations [26]. The presence of CH3 groups in a compound is indicated in the IR spectra in general by one δas(C–H) (ca. 1465 cm−1) vibration and at least one δs(C–H) (ca. 1380 cm−1) vibration
PDF
Album
Supp Info
Full Research Paper
Published 02 Jun 2017

Hierarchically structured nanoporous carbon tubes for high pressure carbon dioxide adsorption

  • Julia Patzsch,
  • Deepu J. Babu and
  • Jörg J. Schneider

Beilstein J. Nanotechnol. 2017, 8, 1135–1144, doi:10.3762/bjnano.8.115

Graphical Abstract
  • the silica@carbon composite (3) compared to the SiC tubes (5) obtained after thermal treatment and purification shows a distinct change (Figure 8a). The Si–O vibration for 3 at ν = 1060 cm−1 disappears and the Si–C valence vibration of 5 at ν = 782 cm−1 appears. Figure 8b shows the EDX spectra of 5
PDF
Album
Full Research Paper
Published 24 May 2017

Recombinant DNA technology and click chemistry: a powerful combination for generating a hybrid elastin-like-statherin hydrogel to control calcium phosphate mineralization

  • Mohamed Hamed Misbah,
  • Mercedes Santos,
  • Luis Quintanilla,
  • Christina Günter,
  • Matilde Alonso,
  • Andreas Taubert and
  • José Carlos Rodríguez-Cabello

Beilstein J. Nanotechnol. 2017, 8, 772–783, doi:10.3762/bjnano.8.80

Graphical Abstract
  • attributed to CH3 asymmetric bending, CH2 scissoring, and COO− symmetric stretching vibrations. The band at around 1018 cm−1 is assigned to nonstoichiometric apatites containing HPO42− ions, whereas the shoulder at around 1084 cm−1 is assigned to the ν3(PO4)3− vibration in stoichiometric HA [51][52][53]. The
PDF
Album
Supp Info
Full Research Paper
Published 04 Apr 2017

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

Graphical Abstract
  • vibrations and Si–OH silanol groups on the silica surface. Broad bands between 3000 and 3400 cm−1 originate from Si–OH, H2O, C–N, and N–H stretching vibrations. A further characteristic N–H stretching vibration is observed at 2055 cm−1 [48]. Figure 6 shows a representative small angle X-ray scattering (SAXS
  • neat IL [BmimSO3H][PTS], the bands can be assigned to the C–N and C–H stretching vibration modes of the imidazolium ring (3151, 3112, 2957, and 2922 cm−1), CH3–N and CH2–N stretching modes and C–C stretching vibrations of the imidazolium ring (1602, 1573, 1456, and 1229 cm−1), and out of plane C–H
PDF
Album
Full Research Paper
Published 29 Mar 2017
Other Beilstein-Institut Open Science Activities