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

• layers in the mixed metal oxide spinel composite. CuFe2O4 composite formation with activated carbon was reported using the co-precipitation technique [12][13]. Herein, we have prepared a nanocomposite comprised of CuFe2O4 and monodispersed spherical hydrophilic silica (HYPS) particles (Scheme 1) for

• effectively reduce the viability of the human breast cancer cell line MCF7. Thus, cisplatin/CuFe2O4/HYPS nanoparticles can be considered an interesting option for drug delivery (Scheme 1). Conclusion An effective multifunctional CuFe2O4/HYPS nanocomposite system has been developed to deliver cisplatin

• ) of copper ferrite covering the HYPS. The composite showed paramagnetic behavior with a saturated magnetization value of 7.65 emu/g. The CuFe2O4/HYPS nanocomposite showed high cisplatin delivery and anticancer efficacy due to the coexistence of Pt and CuFe2O4 in HYPS. The cisplatin drug release

Porous silver-coated pNIPAM-co-AAc hydrogel nanocapsules

• William W. Bryan,
• Riddhiman Medhi,
• Maria D. Marquez,
• Supparesk Rittikulsittichai,
• Michael Tran and
• T. Randall Lee

Beilstein J. Nanotechnol. 2019, 10, 1973–1982, doi:10.3762/bjnano.10.194

• polymers to create a nanocomposite system in which the outer polymer shell can be thermally activated by absorption of light or by a magnetic field [41][61]. By combining the optical properties of nanoshells and the thermo-responsive activity of hydrogel polymers, the present study seeks to develop a

Growth dynamics and light scattering of gold nanoparticles in situ synthesized at high concentration in thin polymer films

• Corentin Guyot,
• Philippe Vandestrick,
• Ingrid Marenne,
• Olivier Deparis and
• Michel Voué

Beilstein J. Nanotechnol. 2019, 10, 1768–1777, doi:10.3762/bjnano.10.172

• regimes in the dynamics of the nanoparticle growth and in the optical response of the nanocomposite. Keywords: gold; imaging ellipsometry; metal nanoparticles; plasmonic nanocomposite; polymer films; Introduction Over the last 20 years, numerous studies were carried out to investigate the optical

• properties of plasmonic nanocomposite materials from experimental, theoretical as well as numerical points of view [1][2]. Metal nanoparticles (NPs) play a central role in the development of nanotechnology-based optical devices. Gold nanoparticles (AuNPs) are used in spectrally selective coatings to block

• simpler. In a single step, both the gold salt and the polymer are mixed to prepare the nanocomposite. The simplicity of the method is regarded as a great advantage for the production of nanocomposites for various applications in nano-optics. The principle of in situ methods is the use of one of the matrix

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

• an n–n heterojunction at the ZnO/SiC interface. Keywords: electrospinning; high temperature gas sensor; n–n heterojunction; ZnO/SiC nanocomposite; Introduction The risk of air pollution is growing due to the development of new technologies in the chemical, metallurgical and food industries, the use

• , 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

Kelvin probe force microscopy of the nanoscale electrical surface potential barrier of metal/semiconductor interfaces in ambient atmosphere

• Petr Knotek,
• Tomáš Plecháček,
• Jan Smolík,
• Petr Kutálek,
• Filip Dvořák,
• Milan Vlček,
• Jiří Navrátil and
• Čestmír Drašar

Beilstein J. Nanotechnol. 2019, 10, 1401–1411, doi:10.3762/bjnano.10.138

• the nanocomposite. An alternative way to study Schottky barriers at the nanoscale is to prepare a metallic layer on the Bi2Se3 surface and characterize such a nanocomposite. I–V spectroscopy is typically used for the determination of Schottky barriers [25][49][50]. The setup was tested on bulk Au and

• diffusion or the reaction of the Mo layer with the Bi2Se3 substrate. To enhance the diffusion/reaction rate, we used e-beam irradiation. An area of the 8 × 10 µm2 was locally irradiated by an electron beam for different periods of time (75 s; 180 s and 360 s). This resulted in a nanocomposite material

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

• Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia 10.3762/bjnano.10.135 Abstract We report that transparent mesostructured silica/gold nanocomposite materials with an interpore distance of 4.1 nm, as-synthesized from a templated sol–gel

• . Such catalytic activity is due to the presence of gold nanoparticles of smaller size in the silicate channels of the highly ordered mesoporous film nanocomposites. Keywords: catalyst; gold nanoparticle; mesoporous silica; nanocomposite; thermal hydrogen reduction; 4-nitrophenol reduction

• very interesting to utilize this nanocomposite for the growth of AuNPs in the silicate nanochannels. Recently, mesoporous silica nanomaterials were not only used as a support to control the size of the AuNPs [28], but also to enhance the thermal stability after heat treatment at high temperature [29

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

• ][26]. In fact, following this approach it was possible to prepare multifunctional and homogeneous nanocomposite materials such as self-supported sepiolite–nanocarbon hybrid buckypapers [25] and conducting bionanocomposites [26]. Therefore, the present study explores the potential of sepiolite for

• (Figure S1, Supporting Information File 1), comparable to similar freeze-cast clay nanocomposite foams [43][44]. Halloysite nanotubes are visible on the surface of the cell walls with free access to the lumen (Figure 3I). The porosity of the foams was estimated from their relative density values (Table 1

• nanocomposite interface. B) Effect of glucose on the Film-GOx sample in CV measurement in PBS, pH 7 and 0.1 mM of potassium ferricyanide at a scan rate of 5 mV·s−1. C) Sensor response as a function of the glucose concentration. The red line is a linear fit. ΔI = steady-state current at 0.45 V. D) LSV

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

• effective strategy, the combination of C-doping with nanocomposite semiconductors, is presented in this work. C-doped g-C3N4 (CCN) was prepared by supramolecular self-assembly and subsequently a number of CdIn2S4/CCN composite photocatalysts were designed and fabricated though in situ decoration of CdIn2S4

• photogenerated holes and electrons. Yang et al. designed and constructed a 2D/2D nanocomposite photocatalyst through the in situ generation of ZnIn2S4 nanoleaf structures on the surface of g-C3N4 nanosheets by a facile one-step solvothermal method with surfactant, which exhibited distinct high-speed charge

• photoelectron peak for In 3d (Figure 5e) exhibits two peaks, corresponding to In 3d5/2 and In 3d3/2 [40]. Moreover, the S 2p peak splitting of 161.4 eV and 162.6 eV, a split energy with 1.2 eV, represents the S2− in the nanocomposite sample [28]. Consequently, from the XPS results, it can be concluded that the

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

• . Functionalization of the nanotubes with CAN-mag nanoparticles resulted in a magnetic nanocomposite. When tested in vitro with two types of cancer cells, the functionalized nanotubes showed a better PTT activity compared to non-functionalized nanotubes, as well as reduced aggregation and the ability to add a second

• -step functionality. This ability is demonstrated here with two polymers grafted onto the nanocomposite surface, and other functionalities could be additional cancer therapy agents for achieving increased therapeutic activity. Keywords: cerium complex; magnetic nanoparticles; photothermal therapy

• ) nanocomposite. The composite is magnetic and forms a stable dispersion in water. It was characterized to verify the CAN-mag attachment to the nanotubes, and tested for PTT. Preliminary in-vitro PTT tests show that the WS2-CAN-mag nanocomposite successfully eliminated two types of cancerous cells: HeLa cells

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

• efficient multimodal cancer treatments both in vitro and in vivo. An ideal nanorod coating for efficient nanocomposite formation should meet several important criteria. First, the resulting nanoparticles should be nontoxic and colloidally stable in blood serum. Second, the shell should have high loading

• nanocomposite AuNRs were fabricated by a seed-mediated method [41] with minor modifications concerning reaction protocol and some reagents, as described in [42][43]. According to statistical data derived from TEM images of 300 AuNRs (Figure 1A) the as-prepared particles have an average length of 44 ± 4 nm and

• were functionalized with folates and rhodamine 123. Folate receptors are commonly overexpressed in cancer cells, e.g., in HeLa cells, enabling an easy targeting with folic acid [44]. Rhodamine 123 was used as a fluorescent dye to control the nanocomposite interaction with cells using fluorescent

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

• Petrochemistry, Silesian University of Technology, 44100 Gliwice, Poland Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali, Università di Bologna, Via Terracini 28, 40131 Bologna, Italy 10.3762/bjnano.10.68 Abstract Polybutylene succinate (PBS) nanocomposite materials were prepared using a

• LDH hybrid materials, and in particular, their application as a polymer chain extender and UV stabilizer for PBS, which can likely be extended to other biodegradable polymers. Keywords: amino acid; layered double hydroxide; phenylalanine; polybutylene succinate; Introduction Polymer nanocomposite

• 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

Gold nanoparticles embedded in a polymer as a 3D-printable dichroic nanocomposite material

• Lars Kool,
• Anton Bunschoten,
• Aldrik H. Velders and
• Vittorio Saggiomo

Beilstein J. Nanotechnol. 2019, 10, 442–447, doi:10.3762/bjnano.10.43

• way, 3D objects. Results: In this paper we show how to fabricate a 3D-printable nanocomposite composed of dichroic gold nanoparticles and a 3D-printable polymer. The minute amount of gold nanoparticles used for obtaining the dichroic effect does not influence the mechanical properties of the polymer

• nor its printability. Thus, the nanocomposite can be easily 3D-printed using a standard 3D printer and shows a purple color in transmission and a brownish color in reflection. Conclusion: This methodology can be used not only by artists, but also for studying the optical properties of nanoparticles or

• , for example, for the 3D fabrication of optical filters. Keywords: 3D printing; dichroism; gold nanoparticles; nanocomposite; Introduction As evidenced by paleolithic cave paintings [1], humans have always been fascinated by colors. Next to the traditional inorganic and organic colorants

Nanocomposite–parylene C thin films with high dielectric constant and low losses for future organic electronic devices

• Marwa Mokni,
• Gianluigi Maggioni,
• Abdelkader Kahouli,
• Sara M. Carturan,
• Walter Raniero and
• Alain Sylvestre

Beilstein J. Nanotechnol. 2019, 10, 428–441, doi:10.3762/bjnano.10.42

• Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Viale dell’Università 2, 35020 Legnaro (PD), Italy 10.3762/bjnano.10.42 Abstract Nanocomposite–parylene C (NCPC) thin films were deposited with a new technique based on the combination of chemical vapor deposition (CVD) for parylene C

• with 3.8% Ag content. This study provides guidance for future NCPC materials for insulating gates in organic field-effect transistors (OFETs) and advanced electronic applications. Keywords: dielectric; nanocomposite polymer; organic field-effect transistor; parylene C; silver-containing nanoparticle

• applicability and a versatile role in the technology of OFETs and organic compounds [3]. However, parylene C, as the vast majority of polymers, exhibits a low dielectric constant (3.15 at 1 kHz [34]) thus limiting its performance in specific applications in OFETs and electronic devices. Using nanocomposite

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

• Science), Theodor-Körner-Allee 16, 02763 Zittau, Germany Department of Earth and Environmental Science, University of Potsdam, 14476 Potsdam, Germany 10.3762/bjnano.10.11 Abstract A new micro/mesoporous hybrid clay nanocomposite prepared from kaolinite clay, Carica papaya seeds, and ZnCl2 via calcination

• in an inert atmosphere is presented. Regardless of the synthesis temperature, the specific surface area of the nanocomposite material is between ≈150 and 300 m2/g. The material contains both micro- and mesopores in roughly equal amounts. X-ray diffraction, infrared spectroscopy, and solid-state

• ; micro/mesoporous; nanocomposite; water remediation; Introduction Porous carbon-based materials and carbon/inorganic hybrid materials have extensively been used for the adsorption of pollutants, such as heavy metals or aromatic hydrocarbons, from water in developing countries [1][2][3][4]. The removal

Electrostatic force microscopy for the accurate characterization of interphases in nanocomposites

• Diana El Khoury,
• Richard Arinero,
• Jean-Charles Laurentie,
• Mikhaël Bechelany,
• Michel Ramonda and
• Jérôme Castellon

Beilstein J. Nanotechnol. 2018, 9, 2999–3012, doi:10.3762/bjnano.9.279

• of the interphase. Moreover, it has been reported that water can be absorbed at the interface [15][16][17]. Water molecules within the interphase increase its effective dielectric constant, and this can explain the unexpectedly higher nanocomposite permittivity. Therefore, the local characterization

• of the interphase is of utmost importance to explain most of the nanocomposite macroscopic behavior, particularly their electrical polarization properties. This local characterization requires high-resolution techniques that are sensitive to the dielectric properties of the material. These two

• the matrix that was attributed to the interphase. However, some experimental conditions during the comparison were not similar. Moreover, the highly probable presence of a matrix layer over the particles near the surface in the nanocomposite was ignored, although a matrix covering the nanoparticles

Co-intercalated layered double hydroxides as thermal and photo-oxidation stabilizers for polypropylene

• Qian Zhang,
• Qiyu Gu,
• Fabrice Leroux,
• Pinggui Tang,
• Dianqing Li and
• Yongjun Feng

Beilstein J. Nanotechnol. 2018, 9, 2980–2988, doi:10.3762/bjnano.9.277

• , the PP chains were intercalated into the LDH gap structure to produce a polymer-intercalated nanocomposite [25]. Yet, none of the diffraction peaks of the co-intercalated HnMn′-Ca2Al hybrid LDHs is observed in the resulting HnMn′-Ca2Al/PP composites, suggesting a high dispersion of LDH nanoparticles

Ternary nanocomposites of reduced graphene oxide, polyaniline and hexaniobate: hierarchical architecture and high polaron formation

• Claudio H. B. Silva,
• Maria Iliut,
• Christopher Muryn,
• Christian Berger,
• Zachary Coldrick,
• Vera R. L. Constantino,
• Marcia L. A. Temperini and
• Aravind Vijayaraghavan

Beilstein J. Nanotechnol. 2018, 9, 2936–2946, doi:10.3762/bjnano.9.272

• nanocomposite composed of polyaniline (PANI), reduced graphene oxide (rGO) and hexaniobate (hexNb) nanoscrolls. Atomic force microscopy images show an interesting architecture of rGO flakes coated with PANI and decorated by hexNb. Such features are attributed to the high stability of the rGO flakes prepared at

• with rGO flakes and hexNb nanoscrolls, which promote conformational changes of the polymer backbone (secondary doping). Spectroscopic and electrochemistry data indicate a synergetic effect on the ternary nanocomposite, which is attributed to interactions between the components resulting from the

• morphological aspects. Therefore, the new nanocomposite presents promising properties for development of new materials in the film form on substrates for sensing or corrosion protection for example. Keywords: graphene oxide; hexaniobate; polyaniline; Raman spectroscopy; secondary doping; Introduction

Enhanced antineoplastic/therapeutic efficacy using 5-fluorouracil-loaded calcium phosphate nanoparticles

• Shanid Mohiyuddin,
• Saba Naqvi and
• Gopinath Packirisamy

Beilstein J. Nanotechnol. 2018, 9, 2499–2515, doi:10.3762/bjnano.9.233

• with 5-FU and resulted in enhanced cellular uptake and efficacy [18]. Furthermore, a chitosan/gold nanocomposite was employed as a load carrier for 5-FU with an encapsulation efficiency of 96% [19]. Interestingly, monomeric self-assembled nucleoside nanoparticles (SNNPs) loaded with 5-FU were shown to

Nanocellulose: Recent advances and its prospects in environmental remediation

• Katrina Pui Yee Shak,
• Yean Ling Pang and
• Shee Keat Mah

Beilstein J. Nanotechnol. 2018, 9, 2479–2498, doi:10.3762/bjnano.9.232

• properties in nanocomposites such as Fe3O4@SiO2@cellulose nanocomposite and amino-functionalized magnetic cellulose nanocomposite grafted with glycidyl methacrylate followed by reaction with ethylenediamine [89]. Furthermore, a 7 wt % NaOH/12 wt % urea aqueous solvent was found useful for regenerating Cr(VI

• ) from the amino-functionalized magnetic cellulose nanocomposite. In short, the development of new biomaterials by combining two or more natural materials (or through functionalization of nanocellulose) have become increasingly interesting techniques to construct materials with combined properties which

• nanocomposites for photocatalytic hydrogen generation. The as-prepared nanocomposites generated 2–5 more hydrogen molecules in comparison with the control TiO2 nanoparticles. However, they found that the nanocomposites tend to photodegrade during photocatalytic reaction, and hence some of the nanocomposite

High-temperature magnetism and microstructure of a semiconducting ferromagnetic (GaSb)_1−x(MnSb)_x alloy

• Leonid N. Oveshnikov,
• Elena I. Nekhaeva,
• Alexey V. Kochura,
• Alexander B. Davydov,
• Mikhail A. Shakhov,
• Sergey F. Marenkin,
• Oleg A. Novodvorskii,
• Alexander P. Kuzmenko,
• Alexander L. Vasiliev,
• Boris A. Aronzon and
• Erkki Lahderanta

Beilstein J. Nanotechnol. 2018, 9, 2457–2465, doi:10.3762/bjnano.9.230

• that inclusions can emerge with two types of crystal structure. The magnetic properties of MnAs inclusions with zinc blende type and hexagonal lattices are substantially different. The actual application of GaAs:MnAs materials is restricted by this fact. A second recently studied nanocomposite system

SERS active Ag–SiO₂ nanoparticles obtained by laser ablation of silver in colloidal silica

• Cristina Gellini,
• Francesco Muniz-Miranda,
• Alfonso Pedone and
• Maurizio Muniz-Miranda

Beilstein J. Nanotechnol. 2018, 9, 2396–2404, doi:10.3762/bjnano.9.224

• , this is the first investigation of this kind of preparation of a Ag–SiO2 colloidal nanocomposite and its application in SERS measurements. Experimental The silver target was purchased from Aldrich (0.5 mm thickness, 99.9% purity), as well as 2,2’-bipyridine (purity 99%). Colloidal silica (Aldrich

• ligand molecules, so the performed SERS measurements are to be considered highly reproducible in time. We have verified that our Ag–SiO2 nanocomposite is SERS active by addition of bpy as molecular reporter, as shown in Figure 3B by the strong Raman signals observed by laser excitation at 514.5 nm. The

Electrospun one-dimensional nanostructures: a new horizon for gas sensing materials

• Muhammad Imran,
• Nunzio Motta and
• Mahnaz Shafiei

Beilstein J. Nanotechnol. 2018, 9, 2128–2170, doi:10.3762/bjnano.9.202

• reinforced with GO show better mechanical, electrical and thermal properties than the fibers without GO. These graphene-based composite electrospun fibers have been used for biosensor applications [65][68]. Hybrid nanofibers with various morphologies, including mixed nanocomposite, dual-layer, core–shell and

Synthesis of a MnO₂/Fe₃O₄/diatomite nanocomposite as an efficient heterogeneous Fenton-like catalyst for methylene blue degradation

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

Beilstein J. Nanotechnol. 2018, 9, 1940–1950, doi:10.3762/bjnano.9.185

• nanocomposite is synthesized and then used as heterogeneous Fenton-like catalyst to degrade the organic pollutant methylene blue (MB) with the activation of PMS. The characterization results show that the Fe3O4 nanoparticles and nanoflower-like MnO2 are evenly distributed layer-by-layer on the surface of

• diatomite, which can be readily magnetically separated from the solution. The as-prepared catalyst, compared with other Fenton-like catalysts, shows a superb MB degradation rate of nearly 100% in 45 min in the pH range of 4 to 8 and temperature range of 25 to 55 °C. Moreover, the nanocomposite shows a good

• strengthen the synergistic effect from the structural aspect. Herein, we propose a novel nanocomposite of magnetic MnO2/Fe3O4/diatomite as an efficient heterogeneous Fenton-like catalyst for PMS activation. In this study, the catalytic activity of the nanocomposite is evaluated systematically by decomposing

Nanoscale electrochemical response of lithium-ion cathodes: a combined study using C-AFM and SIMS

• Jonathan Op de Beeck,
• Nouha Labyedh,
• Alfonso Sepúlveda,
• Valentina Spampinato,
• Alexis Franquet,
• Thierry Conard,
• Philippe M. Vereecken,
• Wilfried Vandervorst and
• Umberto Celano

Beilstein J. Nanotechnol. 2018, 9, 1623–1628, doi:10.3762/bjnano.9.154

• demands from modern society on autonomous electronics, such as portable devices, internet-of-things applications and implants [1]. A multitude of studies have already indicated that nanotechnology, nanostructured designs and nanocomposite materials will play an important role for future Li-ion batteries

Nanocomposites comprised of homogeneously dispersed magnetic iron-oxide nanoparticles and poly(methyl methacrylate)

• Sašo Gyergyek,
• David Pahovnik,
• Ema Žagar,
• Alenka Mertelj,
• Rok Kostanjšek,
• Miloš Beković,
• Marko Jagodič,
• Heinrich Hofmann and
• Darko Makovec

Beilstein J. Nanotechnol. 2018, 9, 1613–1622, doi:10.3762/bjnano.9.153

• chains from the magnetic nanoparticles by the PMMA chains of the matrix. The nanocomposites were superparamagnetic and exhibited large values for the saturation magnetization of up to 36 emu/g. Moreover, the nanocomposite with the largest amount of incorporated nanoparticles exhibited relatively large

• enable the preparation of nanocomposite films by spin coating and the precipitation of a nanocomposite in a form that is easily milled into powders, for example. Therefore, it is desirable to develop synthesis methods to prepare them. In this paper we present a simple method for preparing magnetic iron

• , azobisisobutyronitrile (AIBN) (0.1 g) and bubbled with Ar. After 30 min, the bubbling was stopped, and 11 mL of MMA was added and the suspension was heated at 80 °C for 4 h. The nanocomposite (NC) was precipitated from the cooled suspension of NP-PMMA with methanol (1:10 v/v). The NC was then washed several times with