Hydrothermal synthesis of ZnO quantum dot/KNb₃O₈ nanosheet photocatalysts for reducing carbon dioxide to methanol

• Xiao Shao,
• Weiyue Xin and
• Xiaohong Yin

Beilstein J. Nanotechnol. 2017, 8, 2264–2270, doi:10.3762/bjnano.8.226

• m2/g ) of the nanosheets. Compared with pure KNb3O8 nanosheets, the yield of methanol was improved until a ZnO concentration of 2 wt % was reached. The highest yield of methanol was 1539.77 μmol/g/h for the 2 wt % ZnO quantum dots. This high yield can be ascribed to the heterojunction between the

Enhancement of mechanical and electrical properties of continuous-fiber-reinforced epoxy composites with stacked graphene

• Naum Naveh,
• Olga Shepelev and
• Samuel Kenig

Beilstein J. Nanotechnol. 2017, 8, 1909–1918, doi:10.3762/bjnano.8.191

• , thus contributing to the mechanical properties and percolation threshold reduction of conductive polymer/graphite nanocomposites [11][12]. Graphite intercalation compounds (GIC) may provide a plausible high-yield source for polymer nanocomposites [8]. However, most of the methods described in the

Spin-chemistry concepts for spintronics scientists

• Konstantin L. Ivanov,
• Alexander Wagenpfahl,
• Carsten Deibel and
• Jörg Matysik

Beilstein J. Nanotechnol. 2017, 8, 1427–1445, doi:10.3762/bjnano.8.143

• disorder [38]. Two optimization strategies for improving the power conversion efficiency based on spin processes are singlet fission and triplet–triplet annihilation (TTA). Singlet fission is the spin allowed conversion of one spin singlet exciton to two spin triplet excitons, which can occur with high

• yield in some organic semiconductors [39]. It can therefore be seen as down conversion and so-called multiexciton generation. An enhanced power conversion efficiency is then foreseen, with the premise that fission of these high-energy singlet excitations into two independent triplets is quantitative

Adsorption characteristics of Er₃N@C₈₀on W(110) and Au(111) studied via scanning tunneling microscopy and spectroscopy

• Sebastian Schimmel,
• Zhixiang Sun,
• Danny Baumann,
• Denis Krylov,
• Nataliya Samoylova,
• Alexey Popov,
• Bernd Büchner and
• Christian Hess

Beilstein J. Nanotechnol. 2017, 8, 1127–1134, doi:10.3762/bjnano.8.114

• scientific community. Sustained efforts on the synthesis of endohedral fullerenes led to the trimetallic nitride template (TNT) process and consequently to the creation of the class of trimetallic nitride endohedral fullerenes in 1999, which can be produced in a sufficiently high yield for experimental

Investigation of growth dynamics of carbon nanotubes

• Marianna V. Kharlamova

Beilstein J. Nanotechnol. 2017, 8, 826–856, doi:10.3762/bjnano.8.85

• developing the methods of their efficient synthesis. During last years, significant progress was made in this field. The arc-discharge, laser ablation and chemical vapor deposition (CVD) methods were optimized for the synthesis of SWCNTs in a high yield [5][6]. Synthesis parameters can be varied in a broad

• spectroscopy, it was shown that upon annealing the molecules reacted with one another and formed inner tubes inside the outer SWCNTs at a high yield. Figure 8a demonstrates the RBM-band of Raman spectra of the pristine, filled and annealed samples acquired at a laser wavelength of 633 nm (Eex = 1.96 eV) [145

Formation and shape-control of hierarchical cobalt nanostructures using quaternary ammonium salts in aqueous media

• Ruchi Deshmukh,
• Anurag Mehra and
• Rochish Thaokar

Beilstein J. Nanotechnol. 2017, 8, 494–505, doi:10.3762/bjnano.8.53

• ) under reflux conditions, a high yield of cobalt nanorods rather than nanoplates is obtained. Micrographs captured after 15 and 45 min show spherical nanoparticles of 105 nm diameter (Figure 5a), and rods of 1400 ± 8 nm length and 110 ± 3 nm diameter (Figure 5b). The presence of large aggregating

Solvent-mediated conductance increase of dodecanethiol-stabilized gold nanoparticle monolayers

• Patrick A. Reissner,
• Jean-Nicolas Tisserant,
• Antoni Sánchez-Ferrer,
• Raffaele Mezzenga and
• Andreas Stemmer

Beilstein J. Nanotechnol. 2016, 7, 2057–2064, doi:10.3762/bjnano.7.196

• . Comparing the conductance values in Figure 5a,b after OPE/THF immersion with the conductance of OPE-dithiol measured by mechanical break junction experiments (9.3 × 10−9 S) [31], one might infer a high yield of exchanged molecules. However, the average conductance of the THF immersed devices (red data

Fabrication and properties of luminescence polymer composites with erbium/ytterbium oxides and gold nanoparticles

• Julia A. Burunkova,
• Ihor Yu. Denisiuk,
• Dmitri I. Zhuk,
• Lajos Daroczi,
• Attila Csik,
• István Csarnovics and
• Sándor Kokenyesi

Beilstein J. Nanotechnol. 2016, 7, 630–636, doi:10.3762/bjnano.7.55

• enables a high yield of REO in the proposed reaction. Synthesis without silica addition results in products that are soluble in glycerin. The presence of silica nanoparticles improves the compatibility of the obtained REO particles with the polymer matrix when fabricating nanocomposites. At the same time

Novel roles for well-known players: from tobacco mosaic virus pests to enzymatically active assemblies

• Claudia Koch,
• Fabian J. Eber,
• Carlos Azucena,
• Alexander Förste,
• Stefan Walheim,
• Thomas Schimmel,
• Alexander M. Bittner,
• Holger Jeske,
• Hartmut Gliemann,
• Sabine Eiben,
• Fania C. Geiger and
• Christina Wege

Beilstein J. Nanotechnol. 2016, 7, 613–629, doi:10.3762/bjnano.7.54

• -assembly, and elucidated major aspects of virus–host interplay, which can lead to agronomically relevant diseases. However, during the last decades, TMV has acquired a new reputation as a well-defined high-yield nanotemplate with multivalent protein surfaces, allowing for an ordered high-density

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

• a precursor material for high yield production and functionalization of graphene sheets. The main difference between GO and graphene is that GO consists of epoxy (C–O–C) trigonally bonded in sp2/partially sp3 configurations, hydroxyl groups (C=O) in sp3 configuration displaced above or below the

Enhanced model for determining the number of graphene layers and their distribution from X-ray diffraction data

• Beti Andonovic,
• Abdulakim Ademi,
• Anita Grozdanov,
• Perica Paunović and
• Aleksandar T. Dimitrov

Beilstein J. Nanotechnol. 2015, 6, 2113–2122, doi:10.3762/bjnano.6.216

• copper films [3] and cutting open nanotubes [4]. The electrochemical approach is a proven low-cost method for a high-yield production of carbon-based nanostructures such as graphene [5][6]. Depending on the production procedure, graphene can be produced as a mixture of monolayers, bilayers and

Synthesis, characterization and in vitro biocompatibility study of Au/TMC/Fe₃O₄ nanocomposites as a promising, nontoxic system for biomedical applications

• Hanieh Shirazi,
• Maryam Daneshpour,
• Soheila Kashanian and
• Kobra Omidfar

Beilstein J. Nanotechnol. 2015, 6, 1677–1689, doi:10.3762/bjnano.6.170

• the different methods for iron oxide nanoparticles synthesis, co-precipitation was chosen due to its simplicity, low reaction temperature, short synthesis time, very high yield, and biocompatible product [20]. As previously proposed [19], the molar ratio of Fe+2/Fe+3 = 0.5 and pH 11–12 were applied in

Functionalization of α-synuclein fibrils

• Simona Povilonienė,
• Vida Časaitė,
• Virginijus Bukauskas,
• Arūnas Šetkus,
• Juozas Staniulis and
• Rolandas Meškys

Beilstein J. Nanotechnol. 2015, 6, 124–133, doi:10.3762/bjnano.6.12

• ], and therefore are favourable for the construction of complex nanostructures. In this work, we chose the 140-amino acid protein, α-Syn, which is a very useful building block in nanobiotechnology since the purification of α-Syn is relatively simple, and a high yield of this protein can be achieved [46

Synthesis of boron nitride nanotubes and their applications

• Saban Kalay,
• Zehra Yilmaz,
• Ozlem Sen,
• Melis Emanet,
• Emine Kazanc and
• Mustafa Çulha

Beilstein J. Nanotechnol. 2015, 6, 84–102, doi:10.3762/bjnano.6.9

• -known, economical method that is widely used for CNT and BNNT synthesis since it generates high yield products and requires simple experimental procedures. Lourie et al. performed the synthesis of BNNTs from borazine (B3N3H6) based on the reaction provided below [49]. Although Co, Ni, NiB and Ni2B were

• that B3N3H6 and decaborane could be used as precursors [51]. In a recent study, a large scale, high-yield BNNT synthesis method was demonstrated based on CVD using boron and metal oxides to produce so-called BOCVD methods [43][52][53][54][55]. The chemical mechanism of BOCVD [43] is shown below. This

• mechanism is called vapor–liquid–solid (VLS). The high yield of BNNTs was observed as a white powder in the inner wall of the aluminum boat and on the substrate. Note that for the BOCVD mechanism to occur, variation in the types of catalysts, boron compounds and nitrogen-containing gases should be used. The

Model systems for studying cell adhesion and biomimetic actin networks

• Dorothea Brüggemann,
• Johannes P. Frohnmayer and
• Joachim P. Spatz

Beilstein J. Nanotechnol. 2014, 5, 1193–1202, doi:10.3762/bjnano.5.131

• unilamellar vesicles with a high yield [61]. By using this „droplet transfer“ approach, actin could be efficiently encapsulated in unilamellar vesicles with sizes ranging from 100 nm to 1 μm. Actin polymerisation was induced by the addition of magnesium, and the polymerisation kinetics were unaffected by the

Magnesiothermic conversion of the silica-mineralizing golden algae Mallomonas caudata and Synura petersenii to elemental silicon with high geometric precision

• Janina Petrack,
• Steffen Jost,
• Jens Boenigk and
• Matthias Epple

Beilstein J. Nanotechnol. 2014, 5, 554–560, doi:10.3762/bjnano.5.65

• medium. After approximately ten more days, the culture volume was again doubled and after another ten days further increased to a final volume of 400 mL by adding fresh medium. After another ten days the biomass of 5 to 10 flasks was pooled prior to further analyses in order to obtain a sufficiently high

• yield of biomass. The golden algae were collected by filtration. The yield was dependent on the density of the biomass and varied strongly. Thus, the yield for Synura petersenii was between 2 and 5 mg per L culture medium. The yield for Mallomonas caudata was significantly lower with a maximum of 1 mg

STM tip-assisted engineering of molecular nanostructures: PTCDA islands on Ge(001):H surfaces

• Amir A. Ahmad Zebari,
• Marek Kolmer and
• Jakub S. Prauzner-Bechcicki

Beilstein J. Nanotechnol. 2013, 4, 927–932, doi:10.3762/bjnano.4.104

• nanostructure formation [1][2][3]. As such, self-assembly allows for obtaining nanowires, two dimensional lattices, molecular islands, and molecular mono- and multilayers with a high yield. The resulting structures are often stable and almost perfect. The implementation of bottom-up self-assembly-based methods

Synthesis of boron nitride nanotubes from unprocessed colemanite

• Saban Kalay,
• Zehra Yilmaz and
• Mustafa Çulha

Beilstein J. Nanotechnol. 2013, 4, 843–851, doi:10.3762/bjnano.4.95

• yet. According to the nucleation theory, the formation of a core depends on surface energy, supersaturation, vapor pressure, temperature and binding energy [23][24]. To synthesize unique, high yield and large scale BNNTs, the synthesis mechanism has to be clearly understood. At the moment, two

• –30 nm size ranges in high yields can be easily synthesized directly from colemanite. Results and Discussion BNNT synthesis In recent studies, particularly amorphous boron has been preferred as the precursor boron compound to synthesize high-yield BNNTs [5][27][28]. Colemanite as the most important of

• that the mechanisms of the two different iron oxide catalysts, Fe3O4 or Fe2O3, are rather different. The SEM images showed that the BNNTs were obtained in high yield from colemanite as the starting compound with CVD technique in the presence of Fe2O3 and NH3 gas at 1280 °C. Only the use of Fe2O3

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

A facile approach to nanoarchitectured three-dimensional graphene-based Li–Mn–O composite as high-power cathodes for Li-ion batteries

• Wenyu Zhang,
• Yi Zeng,
• Chen Xu,
• Ni Xiao,
• Yiben Gao,
• Lain-Jong Li,
• Xiaodong Chen,
• Huey Hoon Hng and
• Qingyu Yan

Beilstein J. Nanotechnol. 2012, 3, 513–523, doi:10.3762/bjnano.3.59

• graphene sheets in high yield and at low cost [35]. Moreover, it is also known that inorganic redox-active materials can be electrochemically deposited at low cost and by means of simple processes. It is thus attractive to integrate these two approaches together in an electrochemical process to synthesize

An MCBJ case study: The influence of π-conjugation on the single-molecule conductance at a solid/liquid interface

• Wenjing Hong,
• Hennie Valkenier,
• Gábor Mészáros,
• David Zsolt Manrique,
• Artem Mishchenko,
• Alexander Putz,
• Pavel Moreno García,
• Colin J. Lambert,
• Jan C. Hummelen and
• Thomas Wandlowski

Beilstein J. Nanotechnol. 2011, 2, 699–713, doi:10.3762/bjnano.2.76

• a high yield of single-molecule junctions is obtained in the absence as well as in the presence of in situ deprotecting agents, such as tetrabutyl ammonium hydroxide or triethylamine. As a consequence, and to keep the number of different species in the sample solution to a minimum [57], we performed