Electronic structure, transport, and collective effects in molecular layered systems

• Torsten Hahn,
• Tim Ludwig,
• Carsten Timm and
• Jens Kortus

Beilstein J. Nanotechnol. 2017, 8, 2094–2105, doi:10.3762/bjnano.8.209

• Au(111) leads is predicted. For F16CoPc/MnPc heterostructure, this polarization is more robust at higher bias voltages, which qualifies this hybrid material as the better candidate for a possible spin-filter application. Devices with magnetic Ni(111) contacts yield TMR values of 4% for the pure CoPc

Preparation of thick silica coatings on carbon fibers with fine-structured silica nanotubes induced by a self-assembly process

• Benjamin Baumgärtner,
• Hendrik Möller,
• Thomas Neumann and
• Dirk Volkmer

Beilstein J. Nanotechnol. 2017, 8, 1145–1155, doi:10.3762/bjnano.8.116

• the new approach of polyamine mediated silica deposition onto carbon fibers, the presented method by means of LPEI immobilization is able to introduce a silica shell with a nanostructured surface. This preparation route gives access to a new hybrid material that combines the properties of both the

• centrifugation, washed with water and ethanol and dried at ambient conditions leading to white silica powders. Calcination of the LPEI/silica hybrid material was performed in air atmosphere with a heating rate of 1.5 K/min up to a maximum temperature of 475 °C at which the sample was kept for 90 min. In the case

Hybrid nanomaterials: from the laboratory to the market

• Verónica de Zea Bermudez,
• Fabrice Leroux,
• Pierre Rabu and
• Andreas Taubert

Beilstein J. Nanotechnol. 2017, 8, 861–862, doi:10.3762/bjnano.8.87

• interesting and useful materials have been found. The recent past, however, has seen two developments that are key to the development and application of new, high-performance hybrid materials: (i) a new level of rational design has been reached − many molecular and supramolecular principles of hybrid material

The role of 2D/3D spin-polarization interactions in hybrid copper hydroxide acetate: new insights from first-principles molecular dynamics

• Ziyad Chaker,
• Guido Ori,
• Mauro Boero and
• Carlo Massobrio

Beilstein J. Nanotechnol. 2017, 8, 857–860, doi:10.3762/bjnano.8.86

• Ziyad Chaker Guido Ori Mauro Boero Carlo Massobrio Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, F-67034 Strasbourg, France 10.3762/bjnano.8.86 Abstract The magnetic properties response of the layered hybrid material copper hydroxide acetate

• between the spin polarizations pertaining to each layer. Therefore, at high pressure, copper hydroxide acetate is a ferromagnet with no changes of spin polarization in the direction perpendicular to the inorganic layers. Keywords: first-principles molecular dynamics; hybrid material; magnetic properties

• (within each layer) a weak ferromagnetic (F) intralayer (2D) character. The use of pressure is a valuable and practical tool to tune the magnetic behavior of this lamellar hybrid material [4]. In our previous studies, first-principles molecular dynamics (FPMD) approaches combined with density functional

Synthesis of graphene–transition metal oxide hybrid nanoparticles and their application in various fields

• Arpita Jana,
• Elke Scheer and
• Sebastian Polarz

Beilstein J. Nanotechnol. 2017, 8, 688–714, doi:10.3762/bjnano.8.74

• significantly. The introduction of graphene into TiO2 results in increased conductivity of the hybrid material, higher transparency and efficient charge separation of the system which causes enhanced photocatalytic activity and other novel properties [81]. Also, due to its high conductivity, graphene is highly

• in superior activity as compared to the individual materials. The resultant hybrid material displays a synergistic effect of accumulated graphene and TiO2 NPs, exhibited by the extraordinary physical and chemical properties in comparison with pristine graphene and bare TiO2 NPs [86][87]. Different

• high-performance LIBs. This hybrid material exhibited large reversible capacity, excellent cyclic performance and good rate capability [178][179]. Magnetic cobalt NPs anchored on GSs were prepared by a two-step procedure, consisting of code position and thermal treatment [180]. The Co–graphene hybrid

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

• than the BA units. Our results demonstrate that hydrophilic macroRAFT polymers can be efficiently intercalated into MgAl-NO3 LDH forming a functional hybrid material which can be further involved in RAFT polymerization to promote grafting from polymerization or the formation of nanocomposite particles

An efficient recyclable magnetic material for the selective removal of organic pollutants

• Clément Monteil,
• Nathalie Bar,
• Agnès Bee and
• Didier Villemin

Beilstein J. Nanotechnol. 2016, 7, 1447–1453, doi:10.3762/bjnano.7.136

• Wastewater cleaning strategies based on the adsorption of materials are being increasingly considered, but the wide variety of organic pollutants at low concentrations still makes their removal a challenge. The hybrid material proposed here consists of a zwitterionic polyethylenimine polymer coating a

A composite structure based on reduced graphene oxide and metal oxide nanomaterials for chemical sensors

• Vardan Galstyan,
• Elisabetta Comini,
• Iskandar Kholmanov,
• Andrea Ponzoni,
• Veronica Sberveglieri,
• Nicola Poli,
• Guido Faglia and
• Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2016, 7, 1421–1427, doi:10.3762/bjnano.7.133

• sensing properties of the hybrid structure have been studied for different concentrations of ethanol and acetone. The response of the hybrid material is significantly higher compared to pristine ZnO nanostructures. The obtained results have shown that the nanohybrid is a promising structure for the

• and annealed the prepared hybrid material in a furnace at 250 °C in an atmosphere of 20% O2 and 80% Ar for 1 h. The surface morphology of the samples was studied by means of a LEO 1525 scanning electron microscope (SEM) equipped with a field emission gun. Energy dispersive X-ray spectroscopy (EDX) was

• attributed to the silicon substrate. The morphology of the obtained hybrid material at different magnifications is shown in Figure 2. The ZnO nanoparticles have an average diameter of ca. 20 nm and form a porous structure of chain-like agglomerates [24]. As can be seen in the images GO platelets decorate the

Photocurrent generation in carbon nanotube/cubic-phase HfO₂ nanoparticle hybrid nanocomposites

• Protima Rauwel,
• Augustinas Galeckas,
• Martin Salumaa,
• Frédérique Ducroquet and
• Erwan Rauwel

Beilstein J. Nanotechnol. 2016, 7, 1075–1085, doi:10.3762/bjnano.7.101

• , Puiestee 78, 51008 Tartu, Estonia, IMEP-LAHC, CNRS, Université de Grenoble-Alpes, Minatec campus, 38016 Grenoble, France 10.3762/bjnano.7.101 Abstract A hybrid material consisting of nonfunctionalized multiwall carbon nanotubes (MWCNTs) and cubic-phase HfO2 nanoparticles (NPs) with an average diameter of

• MWCNTs do not emit light but instead expose their discrete electronic structure in the absorption spectra. The hybrid material manifests characteristic absorption features with a gradual merger of the MWCNT π-plasmon resonance band with the intrinsic defect band and fundamental edge of HfO2. The

• generation are expected from the hybrid material studied in under band gap excitation conditions. Nevertheless, one has to also consider that nanoparticles in contact with the CNT may undergo surface passivation along with corresponding changes in the electron trap states within the band gap [35

Bacteriorhodopsin–ZnO hybrid as a potential sensing element for low-temperature detection of ethanol vapour

• Saurav Kumar,
• Sudeshna Bagchi,
• Senthil Prasad,
• Anupma Sharma,
• Ritesh Kumar,
• Rishemjit Kaur,
• Jagvir Singh and
• Amol P. Bhondekar

Beilstein J. Nanotechnol. 2016, 7, 501–510, doi:10.3762/bjnano.7.44

• heterojunctions at the ZnO/bR nanostructure, and the possibility of exchanging charge carriers at the hybrid interface, are expected to strongly affect the electronic properties of the resulting nano-hybrid material. The hybrid ZnO-TF/bR and ZnO-NR/bR structures form the main percolative network through which

Hemolysin coregulated protein 1 as a molecular gluing unit for the assembly of nanoparticle hybrid structures

• Tuan Anh Pham,
• Andreas Schreiber,
• Elena V. Sturm (née Rosseeva),
• Stefan Schiller and
• Helmut Cölfen

Beilstein J. Nanotechnol. 2016, 7, 351–363, doi:10.3762/bjnano.7.32

• the TEM images of the resulting hybrid material are shown. Fiber-like structures with lengths of 30–100 μm and widths of 1–0.5 μm can be observed (Figure 8A). The EDX analysis reveals the homogenous distribution of the Fe content in these fibers (Figure 8B). The reference sample (with only Fe3O4 NPs

• TEM images (Figure S5, Supporting Information File 1). These results indicate that the prealignment of Fe3O4 NPs in an external magnetic field is essential for the linear arrangement of the NPs chain formation. On the other hand, TEM investigations of the hybrid material show a network of magnetite

• orientation perpendicular to the fiber elongation. Finally, magnetic measurements of the hybrid material were conducted. In Figure 10A, results of a superconducting quantum interference device (SQUID) measurement show that the hybrid material is superparamagnetic at room temperature with saturation

Synthesis and applications of carbon nanomaterials for energy generation and storage

• Marco Notarianni,
• Jinzhang Liu,
• Kristy Vernon and
• Nunzio Motta

Beilstein J. Nanotechnol. 2016, 7, 149–196, doi:10.3762/bjnano.7.17

Improved optical limiting performance of laser-ablation-generated metal nanoparticles due to silica-microsphere-induced local field enhancement

• Zheren Du,
• Lianwei Chen,
• Tsung-Sheng Kao,
• Mengxue Wu and
• Minghui Hong

Beilstein J. Nanotechnol. 2015, 6, 1199–1204, doi:10.3762/bjnano.6.122

• high purity. Silica microspheres (purchased from Thermo Scientific) with a diameter of 1 μm were used in this study. The number of microspheres per unit weight was calculated to be 9 × 1010 g−1. 0.2 mg of microspheres was uniformly dispersed in a 3 mL nanoparticle dispersion to form a hybrid material

• . These nanoparticles exhibit a strong optical limiting effect. It was found that the optical limiting effect of the nanoparticles can be significantly enhanced by adding silica microspheres. The enhanced optical limiting behavior of the hybrid material is attributed to the interaction between the laser

• dispersion. Measurement The laser-generated nanoparticles were characterized by scanning electron microscopy (SEM). The size distribution of the nanoparticles was estimated by analyzing the SEM images. The fiber laser for LAL was also used for the optical limiting measurement. The nanoparticle and hybrid

Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

• Shawn Sanctis,
• Rudolf C. Hoffmann,
• Sabine Eiben and
• Jörg J. Schneider

Beilstein J. Nanotechnol. 2015, 6, 785–791, doi:10.3762/bjnano.6.81

• was employed to synthesize stable zinc oxide (ZnO) nanoparticles, employing a molecular precursor. Insightful studies of the decomposition of the precursor were done using NMR spectroscopy and material characterization of the hybrid material derived from the decomposition was achieved using dynamic

• semiconducting material based on a microwave assisted ZnO mineralization of the TMV [17]. The resultant TMV/ZnO nanoscale hybrid material exhibits functional transistor behaviour with a reasonable performance without any post-processing at higher temperature. Experimental section All reagents were purchased from

• ]. Results and Discussions Synthesis and characterization of the wt TMV/ZnO hybrid material In order to facilitate the controlled mineralization of zinc oxide onto the TMV template, the microwave conditions for synthesis of the zinc oxide in due consideration of the stability of the TMV template had to be

Simple approach for the fabrication of PEDOT-coated Si nanowires

• Mingxuan Zhu,
• Marielle Eyraud,
• Judikael Le Rouzo,
• Nadia Ait Ahmed,
• Florence Boulc’h,
• Claude Alfonso,
• Philippe Knauth and
• François Flory

Beilstein J. Nanotechnol. 2015, 6, 640–650, doi:10.3762/bjnano.6.65

• . An extremely large shunt resistance was exhibited and determined to be related to the diffusion conditions occurring during polymerization. Keywords: conductive polymer; core–shell structure; electrodeposition; hybrid material; SiNW; Introduction Silicon nanowires (SiNWs) are a current, active

• as chemical etching and electrochemical deposition. To our knowledge, these two processes have never been combined for the production of such a hybrid material. Experimental SiNW etching and tapering Before chemical etching, the Si wafers (phosphorus-doped, <100> oriented, resistivity 1–10 Ω∙cm

Multifunctional layered magnetic composites

• Maria Siglreitmeier,
• Baohu Wu,
• Tina Kollmann,
• Martin Neubauer,
• Gergely Nagy,
• Dietmar Schwahn,
• Vitaliy Pipich,
• Damien Faivre,
• Dirk Zahn,
• Andreas Fery and
• Helmut Cölfen

Beilstein J. Nanotechnol. 2015, 6, 134–148, doi:10.3762/bjnano.6.13

• Potsdam, Germany 10.3762/bjnano.6.13 Abstract A fabrication method of a multifunctional hybrid material is achieved by using the insoluble organic nacre matrix of the Haliotis laevigata shell infiltrated with gelatin as a confined reaction environment. Inside this organic scaffold magnetite nanoparticles

• . Successful and homogeneous gelatin infiltration in between the chitin layers can be shown. The hybrid material is characterized by TEM and shows a layered structure filled with MNPs with a size of around 10 nm. Magnetic analysis of the material demonstrates superparamagnetic behavior as characteristic for

• an organic–inorganic hybrid material inspired by the structure of nacre [6][7][8][9][10][11][12][13][14][15][16]. But the fundamental knowledge of the underlying mechanisms as well as theoretical explanations were, so far, only provided for rare examples. One of the reasons is that many of the

Poly(styrene)/oligo(fluorene)-intercalated fluoromica hybrids: synthesis, characterization and self-assembly

• Giuseppe Leone,
• Francesco Galeotti,
• William Porzio,
• Guido Scavia,
• Luisa Barba,
• Gianmichele Arrighetti,
• Giovanni Ricci,
• Chiara Botta and
• Umberto Giovanella

Beilstein J. Nanotechnol. 2014, 5, 2450–2458, doi:10.3762/bjnano.5.254

• of making a composite that is processable from solution. The hybrid material films exhibit ultraviolet-blue photoluminescence with a significantly enhanced photostability with respect to the bare oligo(fluorene), thanks to the intercalation of the dye in between the inorganic layers which inhibits

Carbon nano-onions (multi-layer fullerenes): chemistry and applications

• Juergen Bartelmess and
• Silvia Giordani

Beilstein J. Nanotechnol. 2014, 5, 1980–1998, doi:10.3762/bjnano.5.207

• Co3O4 electrodes. They observed, for example, an increase of the specific capacity from 190 mA·h·g−1 to 632 mA·h·g−1 at a current density of 200 mA·g−1 and also an increased rate capability [64]. In the latter report, the CNO hybrid material was prepared from KMnO4 and CNOs by a hydrothermal method

Controlling the dispersion of supported polyoxometalate heterogeneous catalysts: impact of hybridization and the role of hydrophilicity–hydrophobicity balance and supramolecularity

• Gijo Raj,
• Colas Swalus,
• Eglantine Arendt,
• Pierre Eloy,
• Michel Devillers and
• Eric M. Gaigneaux

Beilstein J. Nanotechnol. 2014, 5, 1749–1759, doi:10.3762/bjnano.5.185

• assemblies on the surfaces with the orientation of their long molecular axis (ca. 1.6 nm) depending on the hydrophilic or hydrophobic properties of the substrate. Namely, the long axis is parallel on mica, and perpendicular on HOPG. When hybridized with DODA, the organization of the hybrid material is

• hybrid material is deposited on freshly cleaved mica. Finally, a UV–ozone treatment of the hybrid material allows one to obtain highly dispersed isolated POM entities on both hydrophilic and hydrophobic surfaces. The hybridization strategy to prevent the clustering of POMs on various supports would

• ]. A fundamental understanding of the self-assembly and organization of these hybrid materials on solid surfaces is very important in order to optimise their use. Hence POM-based hybrids have been the subject of intense research in the past decade. The organization of the hybrid material on surfaces is

Donor–acceptor graphene-based hybrid materials facilitating photo-induced electron-transfer reactions

• Anastasios Stergiou,
• Georgia Pagona and
• Nikos Tagmatarchis

Beilstein J. Nanotechnol. 2014, 5, 1580–1589, doi:10.3762/bjnano.5.170

• . This configuration allows for photocurrent measurements under electrochemical bias. Electrophoretic deposition is applied to fabricate films of the graphene-based hybrid material onto an optically transparent electrode (OTE) covered with nanostructured SnO2. Typically, a suspension of the graphene

• -based hybrid material in THF is transferred to a cuvette, then, two OTEs cut from conducting glass are inserted, and a DC electric field is applied. Then, the graphene-based hybrid material from the suspension is driven to the surface of the positive electrode, and a robust thin-film (abbreviated as OTE

• /SnO2/graphene-based hybrid material) is deposited within a short period of time. The photocurrent action spectrum of the OTE/SnO2/graphene-based hybrid material electrode is evaluated by examining the wavelength dependence of the incident-photon-to-current conversion efficiency (IPCE). The IPCE values

Ionic liquid-assisted formation of cellulose/calcium phosphate hybrid materials

• Ahmed Salama,
• Mike Neumann,
• Christina Günter and
• Andreas Taubert

Beilstein J. Nanotechnol. 2014, 5, 1553–1568, doi:10.3762/bjnano.5.167

• starch led to a nanoscale hybrid material, the mineralization of cellulose led to cellulose fibers with a high degree of surface mineralization. In spite of this, the cellulose fibers appeared to “imprint” some features of their surface structure on the mineral layers. Venkataramanan et al. synthesized

Physics, chemistry and biology of functional nanostructures II

• Anatolie S. Sidorenko

Beilstein J. Nanotechnol. 2014, 5, 1218–1219, doi:10.3762/bjnano.5.134

• resolved by the introduction of self-assembled magnetic nanodots on the MgB2 surface, which gives rise to a new hybrid material with the desired properties [2]. The conceptual idea of this Thematic Series saw the light of day at the international conference bearing the “NANO” logo, which took place in

Organic and inorganic–organic thin film structures by molecular layer deposition: A review

• Pia Sundberg and
• Maarit Karppinen

Beilstein J. Nanotechnol. 2014, 5, 1104–1136, doi:10.3762/bjnano.5.123

• multilayer and nanostructure architectures by combining different inorganic, organic and hybrid material layers into on-demand designed mixtures, superlattices and nanolaminates, and employing new innovative nanotemplates or post-deposition treatments to, e.g., selectively decompose parts of the structure

Functionalization of vertically aligned carbon nanotubes

• Eloise Van Hooijdonk,
• Carla Bittencourt,
• Rony Snyders and
• Jean-François Colomer

Beilstein J. Nanotechnol. 2013, 4, 129–152, doi:10.3762/bjnano.4.14

• catalytic system composed of thin Al2O3/Fe metal layers proposed by K. Hata, and co-workers [26][27]. In 2012, Zhu et al. [53] reported the synthesis of a hybrid material formed by VA-SWCNTs covalently bonded to graphene. The synthesis strategy is as follows. A sandwich consisting of a graphene substrate

• floating buffer layer is a crucial step, it allows the control of the CNTs diameter while forming a covalent bond between both elements. The particularity of this hybrid material is that it extends to three dimensions the excellent electrical conductivities and the large specific surface areas (SSA) of

Surface functionalization of aluminosilicate nanotubes with organic molecules

• Wei Ma,
• Weng On Yah,
• Hideyuki Otsuka and
• Atsushi Takahara

Beilstein J. Nanotechnol. 2012, 3, 82–100, doi:10.3762/bjnano.3.10

• proposed as the inorganic nanotube to be hybridized with P3HT nanofibers. Reinforcement of P3HT nanofibers by imogolite is expected to impart additional mechanical and thermal stability to organic compounds, making the resulted hybrid material more durable under the outer environmental conditions