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Search for "composites" in Full Text gives 344 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

Graphical Abstract
  • materials with metal oxides [17]. Among them, carbon nanotubes combined with Fe2O3 have attracted considerable attention. Fe2O3 is attractive for its low cost, abundance, nontoxicity, and eco-friendliness [18][19][20]. Some great results on CNT@Fe2O3 composites have been achieved. For example, Guan et al
  • Fe2O3 on a carbon cloth–carbon nanotubes (CC-CNT) substrate with NaBH4 as reductant and ferric chloride as the reactant. NaBH4 is an active reducing agent with which most metal chlorides can be reduced to metal [22][23][24] and then be oxidized in air to form CNT@metal oxide composites. We also adapted
  • this method to prepare CNT@NiO composites. NiO is a potential positive material offering high theoretical capacity, nontoxicity, and environmentally benign nature [25]. Through aqueous reduction, Fe2O3-coated CNT on carbon cloth (CC-CNT@Fe2O3) as anode and NiO-coated CNT on carbon cloth (CC-CNT@NiO) as
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Published 23 Sep 2019

TiO2/GO-coated functional separator to suppress polysulfide migration in lithium–sulfur batteries

  • Ning Liu,
  • Lu Wang,
  • Taizhe Tan,
  • Yan Zhao and
  • Yongguang Zhang

Beilstein J. Nanotechnol. 2019, 10, 1726–1736, doi:10.3762/bjnano.10.168

Graphical Abstract
  • be suppressed due to the presence of oxygen functional groups on the surface of GO, electrostatic repulsion and steric exclusion [33][34]. However, as far as we know, no study has been reported applying TiO2/GO composites as a functional interlayer in Li/S batteries. Herein, a three-dimensional TiO2
  • and GO sheets exhibit excellent adhesion, which ensures efficient electron transfer from the GO sheet to nanoporous TiO2. The use of TiO2/GO composites as an interlayer can greatly suppress the migration of polysulfides due to their physical and chemical interactions with dissolved polysulfides
  • (DI) water (18.2 MΩ cm) and ethyl alcohol. Then, the powder was vacuum dried (−0.08 MPa) for 8 h. To synthesize the TiO2/GO composites, 1 g of nanoporous TiO2 (≈40 nm) and 100 mL of graphene oxide (GO) solution were dispersed into 100 mL of deionized water and ultrasonically mixed for 2 h, followed by
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Published 19 Aug 2019

Materials nanoarchitectonics at two-dimensional liquid interfaces

  • Katsuhiko Ariga,
  • Michio Matsumoto,
  • Taizo Mori and
  • Lok Kumar Shrestha

Beilstein J. Nanotechnol. 2019, 10, 1559–1587, doi:10.3762/bjnano.10.153

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  • reported. Jayavel, Shrestha, and co-workers demonstrated the enhanced performance of electrochemical supercapacitors using composites of cobalt oxide nanoparticles and reduced graphene oxide, which are zero-dimensional and two-dimensional nanomaterials, respectively [86]. Leong and co-workers reported a
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Published 30 Jul 2019

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

Graphical Abstract
  • high temperatures in the range of 300–800 °C. The development of high-temperature gas sensors requires the creation of new materials that are stable under these conditions. The stability of nanostructured semiconductor oxides at high temperature can be enhanced by creating composites with highly
  • , ultrathin fibers of SiC and metal oxides as well as MO/SiC composites from polymer solutions [16][17][18][19]. The combination of unlimited length, highly porous microstructure, and high surface area come together to create ideal gas sensor materials. In this work, we prepared ZnO/SiC nanocomposite
  • -type gas sensors based on ZnO/SiC composites and studying the sensor performance towards the main components of the exhaust gases CO and NH3 in air at a temperature range of 400–550 °C. Results and Discussion The nanocomposite synthesis scheme is shown in Figure 1 and described in detail in the
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Published 26 Jul 2019

Flexible freestanding MoS2-based composite paper for energy conversion and storage

  • Florian Zoller,
  • Jan Luxa,
  • Thomas Bein,
  • Dina Fattakhova-Rohlfing,
  • Daniel Bouša and
  • Zdeněk Sofer

Beilstein J. Nanotechnol. 2019, 10, 1488–1496, doi:10.3762/bjnano.10.147

Graphical Abstract
  • devices where high flexibility and mechanical strength are desired. Keywords: flexible composites; hydrogen evolution reaction (HER); lithium ion batteries (LIBs); molybdenum disulfide; nanoarchitectonics; supercapacitors; Introduction The world’s growing population has a nearly ever-increasing demand
  • graphite (372 mA·h·g−1) [6]. However, poor electrical conductivity, capacity fading and large volume changes upon charge and discharge make the commercialization of MoS2 in LIBs problematic [6][7]. In order to address this issue, the fabrication of MoS2 composites and carbonaceous support materials (such
  • as amorphous carbon [8], carbon nanofibers [7], carbon nanotubes [8] and graphene [9]) has already been demonstrated to be quite attractive. Typically, the electrodes are prepared by mixing these composites as active material with a polymeric binder, conductive carbon and an organic solvent to form a
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Published 24 Jul 2019

Hierarchically structured 3D carbon nanotube electrodes for electrocatalytic applications

  • Pei Wang,
  • Katarzyna Kulp and
  • Michael Bron

Beilstein J. Nanotechnol. 2019, 10, 1475–1487, doi:10.3762/bjnano.10.146

Graphical Abstract
  • to solve these issues are focused on the optimization of the catalyst, such as alloying Pt with a second metal such as Ni, Ru and Pd [20][21][22][23][24] or using Pt-metal oxide composites such as Pt/SnO2 and Pt/CeO2 [24][25][26][27][28]. Additionally, a variety of catalyst preparation methods, e.g
  • is the growth of secondary CNTs on primary CNTs [52][53][54][55][56]. It was shown that such nanostructured CNT–CNT composites exhibit enhanced specific surface area as well as increased specific double-layer capacitance. Additionally, the presence of the secondary CNTs can reduce the equivalent
  • series resistance to promote electron transfer. CNT–CNT composites have been successfully employed as catalyst supports. Kundu et al. reported that Pt supported on such hierarchical structures showed enhanced surface atomic concentration, indicating an improved Pt dispersion. The oxygen reduction
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Published 24 Jul 2019

Magnetic segregation effect in liquid crystals doped with carbon nanotubes

  • Danil A. Petrov,
  • Pavel K. Skokov,
  • Alexander N. Zakhlevnykh and
  • Dmitriy V. Makarov

Beilstein J. Nanotechnol. 2019, 10, 1464–1474, doi:10.3762/bjnano.10.145

Graphical Abstract
  • tricritical behavior is related to the redistribution of the carbon nanotubes (segregation effect) inside the layer. Keywords: carbon nanotubes; liquid crystal; magnetic field; orientational transitions; segregation effect; Introduction Composites of liquid crystals (LCs) and nanoparticles are actively
  • [1][11][12]. Thus, the idea of controlling the features of composites by adding a small amount of nanoparticles to an LC matrix is of great interest from a physical point of view. Carbon nanotubes (CNTs) [13] are a popular material to be embedded in LCs [9][14][15][16][17]. Due to a large aspect
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Published 22 Jul 2019

Selective gas detection using Mn3O4/WO3 composites as a sensing layer

  • Yongjiao Sun,
  • Zhichao Yu,
  • Wenda Wang,
  • Pengwei Li,
  • Gang Li,
  • Wendong Zhang,
  • Lin Chen,
  • Serge Zhuivkov and
  • Jie Hu

Beilstein J. Nanotechnol. 2019, 10, 1423–1433, doi:10.3762/bjnano.10.140

Graphical Abstract
  • detection. The devices displayed different sensing responses toward different gases at specific temperatures. The gas sensing performance of Mn3O4/WO3 composites (especially at 3 atom % Mn) were far improved compared to sensors based on pure WO3, where the improvement is related to the heterojunction formed
  • door for potential applications in gas recognition and detection. Keywords: Mn3O4/WO3 composites; heterojunctions; working temperature; gas sensing; selectivity; Introduction Tungsten oxide (WO3) is a highly stable, classical transition metal oxide. When synthesized, WO3 usually presents a yellowish
  • material for selective detection of gases [12]. Herein, we prepared pure WO3 and Mn3O4/WO3 composites with different concentrations of Mn (1 atom %, 3 atom % and 5 atom % Mn) by a facile hydrothermal method followed by calcination. The gas sensing performance under different temperatures to H2S, NH3 and CO
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Published 17 Jul 2019

BiOCl/TiO2/diatomite composites with enhanced visible-light photocatalytic activity for the degradation of rhodamine B

  • Minlin Ao,
  • Kun Liu,
  • Xuekun Tang,
  • Zishun Li,
  • Qian Peng and
  • Jing Huang

Beilstein J. Nanotechnol. 2019, 10, 1412–1422, doi:10.3762/bjnano.10.139

Graphical Abstract
  • obtained by dissolving 0.12 g of KCl in 5 mL distilled water was dripped into the above mixed mannitol solution under stirring, and the resulting mixed solution was filtered to obtain a solid. After washing, drying and calcining at 400 °C for 2 h, the BiOCl/TiO2/diatomite (BTD) composites were prepared
  • temperature of TiO2 in the composites. This speculation is based on previous reports that some modification methods may lead to crystal transformation and grain size change [27][32]. The photocatalytic activity of the catalyst is related to its specific surface area. Generally, the larger the specific surface
  • spectrum (Figure 3a) clearly shows the signals of Ti, O, Cl, Bi and Si. The two peaks corresponding to 159.35 and 164.65 eV belong to Bi 4f7/2 and Bi 4f5/2 respectively in the Bi 4f spectrum [34] (Figure 3b), indicating that Bi3+ is the main chemical state of Bi in the composites. In the Si 2p spectrum
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Published 16 Jul 2019

Highly ordered mesoporous silica film nanocomposites containing gold nanoparticles for the catalytic reduction of 4-nitrophenol

  • Mohamad Azani Jalani,
  • Leny Yuliati,
  • Siew Ling Lee and
  • Hendrik O. Lintang

Beilstein J. Nanotechnol. 2019, 10, 1368–1379, doi:10.3762/bjnano.10.135

Graphical Abstract
  • competition of a reduction process and the decomposition of organic components. Of interest is the thermal hydrogen reduction at 250 °C which gave even better quality silica film composites compared to the best results using the calcination method. In our previous reports [31][32], we highlighted the
  • morphology of mesoporous silica composites after both types of heat treatments at 450 and 250 °C by calcination for 3 hours and thermal hydrogen reduction for 2 hours. In this current work, we have only selected the best two samples from each heat treatment process (calcination at 250 °C and thermal hydrogen
  • composites showed AuNPs with an indexed reflection in the FFT pattern corresponding to d111 with a face centered cubic (fcc) structure at 2θ = 38.2° and a fringe spacing of 0.23 nm (ICDD 98-005-0876). Based on Figure 7, we have also observed from the TEM images that the AuNPs cover the external silicate
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Published 05 Jul 2019

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

Graphical Abstract
  • composites with 2.5 wt % Au NPs was 4.76 times as high as that of bare CBO microrods. Additionally, the 0D/1D Au/CBO composite also exhibited ideal stability. The significant improvement of the photocatalytic performance could be attributed to the improved light harvesting and increased specific surface area
  • affect the SPR of Au NPs. The Au NPs promote the rapid separation of charge carriers of semiconductor [10][26][27]. Thus, we attempt to use 0D Au NPs to decorate 1D CuBi2O4 (CBO) microrods to obtain a new type of efficient 0D/1D composite photocatalyst. Herein, 0D/1D Au NP/CBO microrod composites were
  • rationally designed and prepared by a facile in situ thermal reduction–precipitation method. The fabricated Au/CBO composites showed a higher photocatalytic activity in the removal of a typical antibiotic (tetracycline, TC, 10 mg/L) under visible-light irradiation (λ > 420 nm) than pristine CBO. Furthermore
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Published 04 Jul 2019

Nanoscale spatial mapping of mechanical properties through dynamic atomic force microscopy

  • Zahra Abooalizadeh,
  • Leszek Josef Sudak and
  • Philip Egberts

Beilstein J. Nanotechnol. 2019, 10, 1332–1347, doi:10.3762/bjnano.10.132

Graphical Abstract
  • properties, the surface displacement map in CR mode can qualitatively reflect the elastic modulus with higher sensitivity as compared to other dynamic modes [14]. The FMM and CR AFM techniques are widely used for mapping the local, nanoscale elastic properties of polymers, rubber, composites, and biological
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Published 03 Jul 2019

Multicomponent bionanocomposites based on clay nanoarchitectures for electrochemical devices

  • Giulia Lo Dico,
  • Bernd Wicklein,
  • Lorenzo Lisuzzo,
  • Giuseppe Lazzara,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2019, 10, 1303–1315, doi:10.3762/bjnano.10.129

Graphical Abstract
  • nanoclays and GNPs without 2θ displacement (Figure S3, Supporting Information File 1). This suggests that, in contrast to other polymer–HNT composites, no intercalation of chitosan into the halloysite interlayer spacing occurred, and thus, halloysite still remains in its dehydrated form (Figure S4
  • form a conducting network within the matrix of the bionanocomposite. In any case, the percolation threshold is on par or slightly lower than the values for related MWCNT–polymer composites, which are in the range of 4–9 wt % [56][57]. The bionanocomposite sample Film-1 was used to evaluate the
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Published 25 Jun 2019

A silver-nanoparticle/cellulose-nanofiber composite as a highly effective substrate for surface-enhanced Raman spectroscopy

  • Yongxin Lu,
  • Yan Luo,
  • Zehao Lin and
  • Jianguo Huang

Beilstein J. Nanotechnol. 2019, 10, 1270–1279, doi:10.3762/bjnano.10.126

Graphical Abstract
  • . This low-cost, highly sensitive, and biocompatible paper-based SERS substrate holds considerable potentials for the detection and analyses of chemical and biomolecular species. Keywords: cellulose nanofiber; composites; nanoarchitectonics; silver nanoparticle; surface-enhanced Raman spectroscopy
  • (XRD) patterns of the prepared Ag-NP/cellulose-NF composites. Two series of diffraction peaks were observed. The ones located at 2θ = 15.0°, 16.5°, 22.8°, and 34.1° are ascribed to the (), (101), (002), and (040) planes of crystalline cellulose, respectively [61]; and the other ones located at 2θ
  • in all the experiments was purified by using a Milli-Q Advantage A10 system (Millipore, Bedford, MA, USA) with a resistivity higher than 18.2 MΩ·cm. Fabrication of the paper-based Ag-NP/cellulose-NF composites The silver nanoparticles (Ag-NPs) were deposited onto the surface of the cellulose
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Published 24 Jun 2019

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

Graphical Abstract
  • composites 1 g of PDMS (composed of a silicon elastomer and curing agent with 10:1 ratio) was prepared in a glass vial. Then, a fixed amount (70.0 mg) of yellow YAG:Ce3+ phosphor was added into the glass vial. In order to investigate the effect of the red phosphor amount on the resulting white light
  • nanowires. The level of doping for Y(OH)3:7.5% Eu3+ phosphors produced at 5 min was captured through an annular dark field (ADF) STEM micrograph and the STEM-EELS analysis of the indicated area is presented in Figure 3. Elemental composition maps of Y (red) and Eu (green) along with their composites are
  • Figure 4a indicated that this sample had the highest emission intensity. The optical properties (CRI, CCT, luminous efficiency (LER), and lumen) of the PDMS composites are presented in Figure 6. Figure 6a shows the CRI and CCT of the PDMS composites as a function of the amount of red phosphor. While the
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Published 07 Jun 2019

Photoactive nanoarchitectures based on clays incorporating TiO2 and ZnO nanoparticles

  • Eduardo Ruiz-Hitzky,
  • Pilar Aranda,
  • Marwa Akkari,
  • Nithima Khaorapapong and
  • Makoto Ogawa

Beilstein J. Nanotechnol. 2019, 10, 1140–1156, doi:10.3762/bjnano.10.114

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  • solids such as zeolites and mesoporous silicas have been used as templates in the growth of NPs with precisely controlled particle size and shape replicating size and shape of the pores. Thus, a novel class of nonlinear optical materials based on host–guest composites has been prepared using zeolites as
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Published 31 May 2019

Synthesis of novel C-doped g-C3N4 nanosheets coupled with CdIn2S4 for enhanced photocatalytic hydrogen evolution

  • Jingshuai Chen,
  • Chang-Jie Mao,
  • Helin Niu and
  • Ji-Ming Song

Beilstein J. Nanotechnol. 2019, 10, 912–921, doi:10.3762/bjnano.10.92

Graphical Abstract
  • -C3N4 crystal lattice [37]. The CISCCN samples exhibit similar characteristic XRD patterns as that of CCN due to the low content of CdIn2S4. With regard to the XRD patterns of the CISCCN3 and CISCCN5 composites, the peaks are in good agreement with (220), (311), (400), (422), (511), (440) and (533
  • ) crystallographic planes of the cubic CdIn2S4 (JCPDS no. 27-0060), revealing the presence of CdIn2S4 in the composites. Figure 3 presents the Fourier transform infrared (FTIR) spectra of CCN and the CISCCN photocatalyts. In the case of CCN nanosheets, a series of peaks at 1240, 1320, 1410, 1530 and 1640 cm−1
  • preparation process. UV–vis diffuse reflectance spectroscopy (DRS) was used to investigate the optical absorption properties of g-C3N4, CCN and the series of CISCCN composites. As shown in Figure 6a, g-C3N4 exhibits an absorption edge at approximately 426 nm. For the CCN sample, however, the light absorption
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Published 18 Apr 2019

The systemic effect of PEG-nGO-induced oxidative stress in vivo in a rodent model

  • Qura Tul Ain,
  • Samina Hyder Haq,
  • Abeer Alshammari,
  • Moudhi Abdullah Al-Mutlaq and
  • Muhammad Naeem Anjum

Beilstein J. Nanotechnol. 2019, 10, 901–911, doi:10.3762/bjnano.10.91

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  • , Kingdom of Saudi Arabia 10.3762/bjnano.10.91 Abstract Oxidative stress (OS) plays an important role in the pathology of certain human diseases. Scientists have developed great interest regarding the determination of oxidative stress caused after the administration of nano-graphene composites (PEG-nGO
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Published 18 Apr 2019

Fabrication of silver nanoisland films by pulsed laser deposition for surface-enhanced Raman spectroscopy

  • Bogusław Budner,
  • Mariusz Kuźma,
  • Barbara Nasiłowska,
  • Bartosz Bartosewicz,
  • Malwina Liszewska and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2019, 10, 882–893, doi:10.3762/bjnano.10.89

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  • the size, shape, and arrangements of nanostructures, the material they are made of and the surrounding medium [6]. One of the easiest nanostructures to produce are metallic nanoparticles (NPs). Alone or in composites with other materials, they find numerous applications in plasmonic photocatalysis [7
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Published 16 Apr 2019

Tungsten disulfide-based nanocomposites for photothermal therapy

  • Tzuriel Levin,
  • Hagit Sade,
  • Rina Ben-Shabbat Binyamini,
  • Maayan Pour,
  • Iftach Nachman and
  • Jean-Paul Lellouche

Beilstein J. Nanotechnol. 2019, 10, 811–822, doi:10.3762/bjnano.10.81

Graphical Abstract
  • (1:1 v/v) was added to all wells after the laser irradiation. After 5 min, the cells were washed with PBS buffer and the same frames were imaged. Results and Discussion This section will include all the chemical and biological results. The preparation procedures of the composites included sonication
  • composites. This means that there was almost no detachment of CAN during the composite preparation, which is a possibility when using probe sonication. The numbers show a small quantity of cerium in CAN-mag, which is even smaller within the composite, yet the presence of cerium still allows coordinative
  • attachment of polymers to the composite. Figure 3 shows the FTIR absorbance spectra of WS2-NT and its composites. The absorption of the WS2-NTs was so weak that we are not sure that anything can be learned from such absorption. In the spectrum of WS2-NT-CM (and of its two composites), the strong peak at 570
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Published 02 Apr 2019

Polydopamine-coated Au nanorods for targeted fluorescent cell imaging and photothermal therapy

  • Boris N. Khlebtsov,
  • Andrey M. Burov,
  • Timofey E. Pylaev and
  • Nikolai G. Khlebtsov

Beilstein J. Nanotechnol. 2019, 10, 794–803, doi:10.3762/bjnano.10.79

Graphical Abstract
  • with functional groups still remains challenging. Here, we coated AuNRs with a polydopamine (PDA) shell and functionalized AuNR-PDA particles with folic acid and rhodamine 123 (R123) to fabricate AuNR-PDA-R123-folate nanocomposites. To the best of our knowledge, such AuNR-PDA-based composites combining
  • taken together give the opportunity to use AuNR/PDA composites as promising agents for theranostics. The published examples of fabrication and biomedical applications of PDA-coated nanorods include the following nanoconstructs: (1) AuNR-PDA-Ab for targeted PPT of cells in vitro [28]; AuNR-CuPDA for non
  • AuNRs, PDA-coated AuNRs and AuNRs-PDA-R123-folate nanocomposite particles. The inclusion of the rhodamine dye into the composite nanoparticles can be confirmed by the increased extinction in the wavelength region around 500 nm. The differential spectrum peak of AuNR-PDA composites before and after
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Published 01 Apr 2019

An efficient electrode material for high performance solid-state hybrid supercapacitors based on a Cu/CuO/porous carbon nanofiber/TiO2 hybrid composite

  • Mamta Sham Lal,
  • Thirugnanam Lavanya and
  • Sundara Ramaprabhu

Beilstein J. Nanotechnol. 2019, 10, 781–793, doi:10.3762/bjnano.10.78

Graphical Abstract
  • given in Figure 2. Cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) tests for the synthesized samples and its composites were performed over a voltage range from 0 to 0.8 V. The electrochemical impedance spectra (EIS) were recorded employing the same instrument over a frequency range of
  • composites in the range of 1000–2000 cm−1. The amorphous degree of the sample was calculated from the relative intensity ratio of the D- and G-bands (ID/IG) as 2.38, 2.93, 3.16 and 3.35 for CNF, PCNF, Cu/PCNF and Cu/CuO/PCNF/TiO2, respectively. The morphology and microstructure of the as-prepared CNF, PCNF
  • , to study the porous structures and surface area, N2 adsorption–desorption isotherms and the pore size distribution were analyzed for the Cu/CuO/PCNF/TiO2 composites. To determine the performance of the supercapacitors, the surface area and pore size distribution are two important factors to provide
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Published 01 Apr 2019

Trapping polysulfide on two-dimensional molybdenum disulfide for Li–S batteries through phase selection with optimized binding

  • Sha Dong,
  • Xiaoli Sun and
  • Zhiguo Wang

Beilstein J. Nanotechnol. 2019, 10, 774–780, doi:10.3762/bjnano.10.77

Graphical Abstract
  • specific capacity. Nanoflower MoS2/reduced graphene oxides composites exhibited a high specific capacity (1225 mAh/g) and an excellent cycling performance (680 mAh/g) after 250 cycles [19]. MoS2 nanoparticles have been used as a starting material for the synthesis of Li–S battery cathodes, since Li2S and
  • composed of 1T'-phases and 2H-phases [33]. The composites of 1T'-MoS2 with other active materials, such as graphene [34], carbon nanotubes [35], Mxene [36], and SnO2 [37], have received much attention regarding the use as cathodes for Li–S batteries. The electrochemical performance including the capacity
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Published 26 Mar 2019

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

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  • spectroscopy (FTIR) and thermogravimetric analysis (TGA). As expected, the UV–vis spectra showed absorbance in the UVC and UVB regions and the potential role as UV stabilizers. In a second part, PBS composites were prepared with 5 wt % of LDH filler by melt blending and once again fully characterized (XRD, TGA
  • , DSC, DMTA and melt rheology). Impressively a pronounced chain-extension effect for PBS was observed with both organo-modified LDHs, especially in the case of PBS–LDH/PHE, for which the apparent molecular weight was almost 400 times higher than the pristine PBS. Finally, PBS composites were subjected
  • endow the polymer composites with significantly improved properties as well as to envision a master-batch considering the observed state of dispersion. PBS–LDH nanocomposite films with thickness of about 90–100 µm were prepared by compression moulding between two Teflon sheets under 100 bar at 120 °C
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Published 12 Mar 2019

Biomimetic synthesis of Ag-coated glasswing butterfly arrays as ultra-sensitive SERS substrates for efficient trace detection of pesticides

  • Guochao Shi,
  • Mingli Wang,
  • Yanying Zhu,
  • Yuhong Wang,
  • Xiaoya Yan,
  • Xin Sun,
  • Haijun Xu and
  • Wanli Ma

Beilstein J. Nanotechnol. 2019, 10, 578–588, doi:10.3762/bjnano.10.59

Graphical Abstract
  • nanogaps can be easily controlled by adjusting the sputtering time. In addition, they reveal that our physical fabrication method could yield large-scale Ag nanofilms, unlike the synchronous reduction process reported in the previous report [28]. SERS sensitivity of 3D Ag-G.b. hybrid composites The Ag
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Published 28 Feb 2019
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