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Search for "additives" in Full Text gives 148 result(s) in Beilstein Journal of Nanotechnology.

Hydrothermal-derived carbon as a stabilizing matrix for improved cycling performance of silicon-based anodes for lithium-ion full cells

  • Mirco Ruttert,
  • Florian Holtstiege,
  • Jessica Hüsker,
  • Markus Börner,
  • Martin Winter and
  • Tobias Placke

Beilstein J. Nanotechnol. 2018, 9, 2381–2395, doi:10.3762/bjnano.9.223

Graphical Abstract
  • electrodes [30][31][32][33], the search for effective SEI-forming electrolyte additives [34][35], as well as the embedding of Si into different matrix materials [36][37][38][39][40][41]. The general idea behind the latter concept is the combination of Si with a second phase, which can be either active or
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Published 05 Sep 2018

Block copolymers for designing nanostructured porous coatings

  • Roberto Nisticò

Beilstein J. Nanotechnol. 2018, 9, 2332–2344, doi:10.3762/bjnano.9.218

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  • thermodynamically stable structures on the nanometer length scale [44]. However, microphase separation can also be influenced by the presence of a more complex formulation due to the addition of a lower molecular weight component (such as additives and homopolymers) as well as a block-selective solvent [43][45
  • by further functionalization of the hydroxy functionality, thus making PS-b-PEO membranes attractive for several applications. Other methods require the introduction of swelling agents (i.e., agents for increasing the microdomain dimensions) [92] as well as additives able to affect the microdomain
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Published 29 Aug 2018

Nanotribology

  • Enrico Gnecco,
  • Susan Perkin,
  • Andrea Vanossi and
  • Ernst Meyer

Beilstein J. Nanotechnol. 2018, 9, 2330–2331, doi:10.3762/bjnano.9.217

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  • including nanodiamonds [1] and novel materials such as nitrogen-doped graphene oxide [2] and imidazolium-based ionic liquids [3] used as additives to mineral oils. Standard large-scale applications to steel surfaces, but also to a material of key importance in micro- and nanoelecromechanical systems, i.e
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Editorial
Published 28 Aug 2018

Lead-free hybrid perovskites for photovoltaics

  • Oleksandr Stroyuk

Beilstein J. Nanotechnol. 2018, 9, 2209–2235, doi:10.3762/bjnano.9.207

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  • stable in humid air than MAGeI3 because of its high hydrophobicity of the organic component [143]. The stability of MAGeI3 HP and its performance as a light harvester of solar cells can also be enhanced by introducing bromide additives. By substituting 10% I− with Br− a PCE of 0.57% was achieved (Table 1
  • (55%) [153], indicating the good potential of this light absorber for further studies and improvements. In particular, a careful control of the MA3Sb2I9 stoichiometry and introduction of HI additives during the film formation as well as an additional fullerene ETL into the solar cell configuration
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Published 21 Aug 2018

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

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Published 13 Aug 2018

Recent highlights in nanoscale and mesoscale friction

  • Andrea Vanossi,
  • Dirk Dietzel,
  • Andre Schirmeisen,
  • Ernst Meyer,
  • Rémy Pawlak,
  • Thilo Glatzel,
  • Marcin Kisiel,
  • Shigeki Kawai and
  • Nicola Manini

Beilstein J. Nanotechnol. 2018, 9, 1995–2014, doi:10.3762/bjnano.9.190

Graphical Abstract
  • surface-force balance and an impressive evidence of layering effects on friction was demonstrated [114]. RTILs are being also investigated as additives in liquid lubrication [115]. Modeling has investigated the role of the molecular shape of the ions [116][117] and the layer-by-layer squeeze-out
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Published 16 Jul 2018

Cryochemical synthesis of ultrasmall, highly crystalline, nanostructured metal oxides and salts

  • Elena A. Trusova and
  • Nikolai S. Trutnev

Beilstein J. Nanotechnol. 2018, 9, 1755–1763, doi:10.3762/bjnano.9.166

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  • powders was less than 10 nm. The BET surface area of metal oxide nanopowders synthesized via cryochemistry techniques was shown to increase by more than an order of magnitude. When the cryoeffect is combined with NaF additives, it is possible to obtain highly dispersed (submicrometer) powders of nitrates
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Published 12 Jun 2018

Nitrogen-doped carbon nanotubes coated with zinc oxide nanoparticles as sulfur encapsulator for high-performance lithium/sulfur batteries

  • Yan Zhao,
  • Zhengjun Liu,
  • Liancheng Sun,
  • Yongguang Zhang,
  • Yuting Feng,
  • Xin Wang,
  • Indira Kurmanbayeva and
  • Zhumabay Bakenov

Beilstein J. Nanotechnol. 2018, 9, 1677–1685, doi:10.3762/bjnano.9.159

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  • Li/S batteries [5]. Another popular strategy to reduce polysulfides from dissolution is using metal oxides, such as TiO2 [6], ZnO [7], MnO2 [8], and SiO2 [9], as the additives or coating layer in the S-cathode. This is because metal oxides can provide strong binding sites with S and reduce the
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Published 06 Jun 2018

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

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  • putty that hardens at body temperature [14]. Typically, the liquid component is (MMA) and the powder component is a polymer with additives that enable rapid hardening at body temperature [14]. One of such polymers is poly(methyl methacrylate) (PMMA). It is an amorphous, linear thermoplastic having good
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Published 01 Jun 2018

Understanding the performance and mechanism of Mg-containing oxides as support catalysts in the thermal dry reforming of methane

  • Nor Fazila Khairudin,
  • Mohd Farid Fahmi Sukri,
  • Mehrnoush Khavarian and
  • Abdul Rahman Mohamed

Beilstein J. Nanotechnol. 2018, 9, 1162–1183, doi:10.3762/bjnano.9.108

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  • reactivity. Promoters can be classified as small amounts of additives to active metals or support. The promoter of supports is used to prevent unwanted catalyst activity, such as carbon deposition, while promoters are added to active components to enhance reaction activity [90]. The activity and stability of
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Published 13 Apr 2018

P3HT:PCBM blend films phase diagram on the base of variable-temperature spectroscopic ellipsometry

  • Barbara Hajduk,
  • Henryk Bednarski,
  • Bożena Jarząbek,
  • Henryk Janeczek and
  • Paweł Nitschke

Beilstein J. Nanotechnol. 2018, 9, 1108–1115, doi:10.3762/bjnano.9.102

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  • polymer–fullerene layers. For this reason, the morphology of the active layer in OPV devices has been intensively studied [15][16]. In general, it can be modified by the blend composition [17], the type of solvent used in processing [18], the use of chemical additives to the solution [19], and diverse
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Published 05 Apr 2018

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

  • Jaison Jeevanandam,
  • Ahmed Barhoum,
  • Yen S. Chan,
  • Alain Dufresne and
  • Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

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  • sprays, wet wipes, food storage containers, shampoos, and toothpastes [115]. Several NPs are under research and evaluation of additives in personal care products. In spite of the emerging growth of products with different types of nanomaterials, their hazardous effects on humans are largely unknown. The
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Published 03 Apr 2018

Optical orientation of nematic liquid crystal droplets via photoisomerization of an azodendrimer dopant

  • Sergey A. Shvetsov,
  • Alexander V. Emelyanenko,
  • Natalia I. Boiko,
  • Alexander S. Zolot'ko,
  • Yan-Song Zhang,
  • Jui-Hsiang Liu and
  • Alexei R. Khokhlov

Beilstein J. Nanotechnol. 2018, 9, 870–879, doi:10.3762/bjnano.9.81

Graphical Abstract
  • polymer dopants, such as a dendrimer with azobenzene terminal moieties [22][23] or a comb-shaped polymer with H-bonded side-chain azobenzene fragments [24][25], can induce the homogeneous orientation of NLC films. These polymer additives are usually adsorbed onto the cell substrates and provide
  • and unable to change the director orientation, which was proved experimentally [30], where it was shown that the orientational structure does not change under LED illumination in NLC droplets containing the low-molar-mass azobenzene additives. It should be mentioned that this statement is correct only
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Published 13 Mar 2018

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

  • Shahreen Binti Izwan Anthonysamy,
  • Syahidah Binti Afandi,
  • Mehrnoush Khavarian and
  • Abdul Rahman Bin Mohamed

Beilstein J. Nanotechnol. 2018, 9, 740–761, doi:10.3762/bjnano.9.68

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Published 27 Feb 2018

Synthesis and characterization of two new TiO2-containing benzothiazole-based imine composites for organic device applications

  • Anna Różycka,
  • Agnieszka Iwan,
  • Krzysztof Artur Bogdanowicz,
  • Michal Filapek,
  • Natalia Górska,
  • Damian Pociecha,
  • Marek Malinowski,
  • Patryk Fryń,
  • Agnieszka Hreniak,
  • Jakub Rysz,
  • Paweł Dąbczyński and
  • Monika Marzec

Beilstein J. Nanotechnol. 2018, 9, 721–739, doi:10.3762/bjnano.9.67

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  • weight ratio of 1:1 lowered the reduction peak onset to −1.6 V and −1.65 V, respectively. However, in both cases mentioned above, additives shifted the electrochemical response of SP1 but no Faradic process was observed, which could be associated with TiO2 or P3HT reduction (in this potential region). On
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Published 26 Feb 2018

Cyclodextrin-assisted synthesis of tailored mesoporous silica nanoparticles

  • Fuat Topuz and
  • Tamer Uyar

Beilstein J. Nanotechnol. 2018, 9, 693–703, doi:10.3762/bjnano.9.64

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  • influenced by the type of additives used, e.g., solvent and pore-templating agent. Here, we studied the influence of cyclodextrin (CD) molecules on the formation of MSNs. The nanoparticles over 100 nm in diameter were synthesized by surfactant-templated, hydrolysis–polycondensation reactions in the presence
  • additives in a simple, one-pot reaction system for a wide range of applications. Keywords: cyclodextrin; faceted particles; mesoporous silica nanoparticles (MSN); microporous; Introduction With the availability of several types of surfactants and the increased understanding of sol–gel chemistry, numerous
  • types (i.e., β-CD, HP-γ-CD and HP-β-CD). By varying the concentrations of additives and CD-type, MSNs in various shapes, such as spherical, aggregate, bean-like and faceted were generated (Figure 1). The particles were characterized in terms of morphology by SEM, TEM and STEM, the surface area by BET
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Published 22 Feb 2018

Anchoring Fe3O4 nanoparticles in a reduced graphene oxide aerogel matrix via polydopamine coating

  • Błażej Scheibe,
  • Radosław Mrówczyński,
  • Natalia Michalak,
  • Karol Załęski,
  • Michał Matczak,
  • Mateusz Kempiński,
  • Zuzanna Pietralik,
  • Mikołaj Lewandowski,
  • Stefan Jurga and
  • Feliks Stobiecki

Beilstein J. Nanotechnol. 2018, 9, 591–601, doi:10.3762/bjnano.9.55

Graphical Abstract
  • batteries [8][9][10][11], supercapacitors [12][13][14][15][16]), sensors (gas sensors [17][18][19], biosensors [20][21]) and adsorbers (oil pollution [22][23], organic contaminants [24][25]). Moreover, the properties of GO-based aerogels can be modified by addition of various functional additives, e.g
  • (Fe3O4) or maghemite (γ-Fe2O3), are common functional additives widely applied in many different branches of science [35][36]. This is mainly thanks to their low price, simplicity of production, biocompatibility and environmental friendliness. There are two commonly used methods of iron oxide MNPs
  • nanoparticles at the GO defect sites. In addition, PDA coating does not affect the magnetic properties of the iron oxide-modified rGO aerogel. It is believed that introduction of amorphous carbon-coated functional additives (core-shell structures) improves a reduced graphene oxide aerogel lattice, anchor
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Published 15 Feb 2018

Green synthesis of fluorescent carbon dots from spices for in vitro imaging and tumour cell growth inhibition

  • Nagamalai Vasimalai,
  • Vânia Vilas-Boas,
  • Juan Gallo,
  • María de Fátima Cerqueira,
  • Mario Menéndez-Miranda,
  • José Manuel Costa-Fernández,
  • Lorena Diéguez,
  • Begoña Espiña and
  • María Teresa Fernández-Argüelles

Beilstein J. Nanotechnol. 2018, 9, 530–544, doi:10.3762/bjnano.9.51

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  • . Generally, the synthesis of C-dots is a multistep and tedious procedure, which is often expensive. Moreover, a surface passivation with other ligands or additives is frequently needed in order to obtain exacerbated intrinsic fluorescence properties [5][12][13]. Recently, green synthesis methods of C-dots
  • or any other additives. The obtained C-dots were characterized by UV–vis spectrophotometry and fluorescence spectroscopy. UV–vis spectra of each type of spice-derived C-dots reveal two absorption bands (Figure 1, left column). Cinnamon C-dots show characteristic absorption bands at 275 and 324 nm
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Published 13 Feb 2018

Kinetics of solvent supported tubule formation of Lotus (Nelumbo nucifera) wax on highly oriented pyrolytic graphite (HOPG) investigated by atomic force microscopy

  • Sujit Kumar Dora,
  • Kerstin Koch,
  • Wilhelm Barthlott and
  • Klaus Wandelt

Beilstein J. Nanotechnol. 2018, 9, 468–481, doi:10.3762/bjnano.9.45

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  • growth are presented for differently concentrated wax solutions as well as under the influence of foreign additives, e.g., salt, water or both. Effect of concentration on tubule growth from pure chloroform In order to determine changes in the wax recrystallization as a function of the molecular
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Published 07 Feb 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

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  • the selected voltage region. Additionally, when comparing the CV of the pure sulfur electrode, a distinguishable positive shift in the reduction–oxidation peaks of the sulfur/MoO2–CNF composites can be observed, which confirms a relatively low potential polarization with MoO2–CNF additives. An
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Published 24 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

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  • different additives obtained and labeled as Sa, Sb, Sc, Sd, and Se, respectively. Carbon nanodot characterization The product morphology was assessed by TEM and HRTEM, which was performed on a JEOL-2100F instrument with an accelerating voltage of 200 kV. The XRD patterns of Sa, Sb, and Se were recorded on a
  • yields synthesized using different additives. The excitation (λex) and emission (λem) wavelengths, quantum yield (Φ), lifetime components (τ1, τ2, τ3) and fluorescence lifetime (τave) for Sa, Sb and Se. Supporting Information Supporting Information File 118: Additional experimental data. The general co
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Published 12 Jan 2018

Involvement of two uptake mechanisms of gold and iron oxide nanoparticles in a co-exposure scenario using mouse macrophages

  • Dimitri Vanhecke,
  • Dagmar A. Kuhn,
  • Dorleta Jimenez de Aberasturi,
  • Sandor Balog,
  • Ana Milosevic,
  • Dominic Urban,
  • Diana Peckys,
  • Niels de Jonge,
  • Wolfgang J. Parak,
  • Alke Petri-Fink and
  • Barbara Rothen-Rutishauser

Beilstein J. Nanotechnol. 2017, 8, 2396–2409, doi:10.3762/bjnano.8.239

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  • rise of nanotechnology-containing products [1]. Numerous contemporary developments in consumer products (e.g., food additives, cosmetics and sporting equipment), environmental remediation, medicine and information technology heavily rely on innovative nanomaterial-driven industrial technology [2]. A
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Published 14 Nov 2017

Vapor-based polymers: from films to nanostructures

  • Meike Koenig and
  • Joerg Lahann

Beilstein J. Nanotechnol. 2017, 8, 2219–2220, doi:10.3762/bjnano.8.221

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  • desired nanostructures. This combination of a conductive polymer with a hydrogel in a single nanostructure shows potential for the use in humidity sensors. Without the need for additives or solvents, a high purity of the resulting film is ensured, which is of paramount importance in the area of electronic
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Published 24 Oct 2017

Synthesis and characterization of noble metal–titania core–shell nanostructures with tunable shell thickness

  • Bartosz Bartosewicz,
  • Marta Michalska-Domańska,
  • Malwina Liszewska,
  • Dariusz Zasada and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2017, 8, 2083–2093, doi:10.3762/bjnano.8.208

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  • , various additives such as surfactants or salts, and special reaction conditions in order to slow down the reaction rate. These strategies have been employed in a few successful attempts at controlled synthesis of Ag@TiO2 and Au@TiO2 structures reported in recent years [21][24][25][26][27][28][29][30][31
  • few exceptions of more general methods [21]. Another difficulty in the coating process arises from the possibility of core particle agglomeration. Since metal nanoparticles are vulnerable to agglomeration, additional actions, such as the use of special conditions or additives, have to be undertaken to
  • additives (or none at all) and allows control of the structural features of the CSNs in addition to synthesis in larger amounts. The TiO2 coating strategy used in the synthesis of Ag@TiO2 and Au@TiO2 CSNs is outlined in Scheme 1. In the first step, we synthesized AuNPs using the Frens method and AgNPs by
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Published 05 Oct 2017

A comparative study of the nanoscale and macroscale tribological attributes of alumina and stainless steel surfaces immersed in aqueous suspensions of positively or negatively charged nanodiamonds

  • Colin K. Curtis,
  • Antonin Marek,
  • Alex I. Smirnov and
  • Jacqueline Krim

Beilstein J. Nanotechnol. 2017, 8, 2045–2059, doi:10.3762/bjnano.8.205

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  • : additives; alumina; aqueous colloids; fractal; friction; lubricants; nanodiamond; nanotribology; quartz crystal microbalance; stainless steel; Introduction Interest in nanoparticles as eco-friendly lubricant additives has grown tremendously in recent years [1][2]. The field is driven in a large part by a
  • pressing need to replace hazardous additive materials in present-day oil-based lubrication technologies and to eliminate the serious environmental risks associated with oil leakage and disposal [3][4][5]. Water-based lubricant systems are a particularly attractive target for nanoparticulate additives since
  • conventional oil additives generally fail to improve tribological performance in aqueous environments. Numerous studies of nanoparticulate additives to oil-based systems have been reported in the literature, with many displaying significant improvements in macroscopic friction and wear rates [6]. Water-based
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Published 29 Sep 2017
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