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Search for "flexible" in Full Text gives 331 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Humidity-dependent wound sealing in succulent leaves of Delosperma cooperi – An adaptation to seasonal drought stress

  • Olga Speck,
  • Mark Schlechtendahl,
  • Florian Borm,
  • Tim Kampowski and
  • Thomas Speck

Beilstein J. Nanotechnol. 2018, 9, 175–186, doi:10.3762/bjnano.9.20

Graphical Abstract
  • role with regard to mechanically driven effects. Injury disturbs the mechanical equilibrium, with pre-stresses leading to internal deformation until a new equilibrium is reached. In the context of self-sealing by internal deformation, the highly flexible wide-band tracheids, which form a net of
  • may be a preadaptation and selective advantage for the colonisation of arid and semi-arid habitats. In the context of self-sealing by movement of the entire leaf, highly flexible wide-band tracheids most probably play an especially interesting role. Because the hydraulically and mechanically driven
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Published 16 Jan 2018

Dielectric properties of a bisimidazolium salt with dodecyl sulfate anion doped with carbon nanotubes

  • Doina Manaila Maximean,
  • Viorel Cîrcu and
  • Constantin Paul Ganea

Beilstein J. Nanotechnol. 2018, 9, 164–174, doi:10.3762/bjnano.9.19

Graphical Abstract
  • salts were used in many applications, ranging from catalysis [13] to biological [14][15][16] or biochemical applications [17][18][19]. Recently, we have shown that it is possible to exchange the smaller anions (Br−) with alkyl sulfate ions to yield new ILCs based on bisimidazolium salts with flexible
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Published 16 Jan 2018

Design of photonic microcavities in hexagonal boron nitride

  • Sejeong Kim,
  • Milos Toth and
  • Igor Aharonovich

Beilstein J. Nanotechnol. 2018, 9, 102–108, doi:10.3762/bjnano.9.12

Graphical Abstract
  • full photonic bandgap between the first and the second lowest photonic energy bands even when the effective index contrast is low [31]. The combination of a high Q-factor and a low refractive index enables a broad range of applications such as flexible photonic crystal devices and high figure of merit
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Letter
Published 09 Jan 2018

Electro-optical characteristics of a liquid crystal cell with graphene electrodes

  • Nune H. Hakobyan,
  • Hakob L. Margaryan,
  • Valeri K. Abrahamyan,
  • Vladimir M. Aroutiounian,
  • Arpi S. Dilanchian Gharghani,
  • Amalya B. Kostanyan,
  • Timothy D. Wilkinson and
  • Nelson Tabirian

Beilstein J. Nanotechnol. 2017, 8, 2802–2806, doi:10.3762/bjnano.8.279

Graphical Abstract
  • are traditionally used as transparent and conductive electrodes. However, today, due to the development of multichannel optical communication, the need for flexible LCDs and multilayer structures has grown. For this application ITO films cannot be used in principle. For this problem, graphene (an
  • . But compared to the traditional ITO, graphene has a number of advantages such as better mechanical strength, chemical resistance, the possibility to transfer onto any surface including flexible structures as well as making multilayer LC structures possible. These outstanding properties of graphene
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Published 28 Dec 2017

Impact of titanium dioxide nanoparticles on purification and contamination of nematic liquid crystals

  • Dmitrii Pavlovich Shcherbinin and
  • Elena A. Konshina

Beilstein J. Nanotechnol. 2017, 8, 2766–2770, doi:10.3762/bjnano.8.275

Graphical Abstract
  • used in different display and non-display applications. The development of display techniques has led to the construction of high-quality screens including fully transparent [1], flexible screens [2] and dual-view [3] displays in the past years. The area of LCs for non-display applications is also
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Letter
Published 21 Dec 2017

Patterning of supported gold monolayers via chemical lift-off lithography

  • Liane S. Slaughter,
  • Kevin M. Cheung,
  • Sami Kaappa,
  • Huan H. Cao,
  • Qing Yang,
  • Thomas D. Young,
  • Andrew C. Serino,
  • Sami Malola,
  • Jana M. Olson,
  • Stephan Link,
  • Hannu Häkkinen,
  • Anne M. Andrews and
  • Paul S. Weiss

Beilstein J. Nanotechnol. 2017, 8, 2648–2661, doi:10.3762/bjnano.8.265

Graphical Abstract
  • variables on CLL and the structure and functionality of the resulting hybrid materials. Further development of CLL has significant potential for fabricating sensors, biocompatible platforms, and other applications that will benefit from flexible, transparent, bio-inert materials combined with the extensive
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Published 08 Dec 2017

The role of ligands in coinage-metal nanoparticles for electronics

  • Ioannis Kanelidis and
  • Tobias Kraus

Beilstein J. Nanotechnol. 2017, 8, 2625–2639, doi:10.3762/bjnano.8.263

Graphical Abstract
  • transparent, flexible conductors in many publications [76][77][78][79]. For example, silver nanowires capped by PVP provided layers of high transparency (90% transmission of the visible spectrum), excellent homogeneity, and low sheet resistance (Rs = 25 Ω/sq) in flexible electrodes [80]. 2 Ligands in
  • the mesh film onto PET substrates led to transparent electrodes that were flexible with a resistance increase of 7.2% upon substrate deformation [43]. A similar ageing process was used to create AuNW membranes. The dispersion was left to age for two days at room temperature, spread on the air–water
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Published 07 Dec 2017

Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions

  • Youngsang Kim,
  • Safa G. Bahoosh,
  • Dmytro Sysoiev,
  • Thomas Huhn,
  • Fabian Pauly and
  • Elke Scheer

Beilstein J. Nanotechnol. 2017, 8, 2606–2614, doi:10.3762/bjnano.8.261

Graphical Abstract
  • , while they are shallow and declined in the open form. We attribute this difference to the flexible structure in the open form that enables a larger variation of contact geometries, resulting in a larger variation of conductance values [14][24][25]. The statistical conductance histogram is shown in
  • class measured at room temperature [24], it is reasonable to assume that geometrical constraints may affect the rigid closed form more than the flexible open form, thereby suppressing the conductance of the closed form more efficiently. Another explanation would be uncertainties with regard to level
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Published 06 Dec 2017

Au nanostructure fabrication by pulsed laser deposition in open air: Influence of the deposition geometry

  • Rumen G. Nikov,
  • Anna Og. Dikovska,
  • Nikolay N. Nedyalkov,
  • Georgi V. Avdeev and
  • Petar A. Atanasov

Beilstein J. Nanotechnol. 2017, 8, 2438–2445, doi:10.3762/bjnano.8.242

Graphical Abstract
  • ., Bl.11, 1113 Sofia, Bulgaria 10.3762/bjnano.8.242 Abstract We present a fast and flexible method for the fabrication of Au nanocolumns. Au nanostructures were produced by pulsed laser deposition in air at atmospheric pressure. No impurities or Au compounds were detected in the resulting samples. The
  • the development of inexpensive, easy-to-use, flexible and time-saving nanofabrication techniques. The efforts of the other scientific groups have been directed to producing nanostructures for applications in areas such as nanomedicine that impose specific requirements regarding the technology behind
  • dynamic hydrophobicity due to their discrete surface structure [30]. Conclusion The present paper demonstrates a fast and flexible method for the fabrication of pure Au nanostructures. The structures were produced by applying the PLD technique in open air, that is, in the absence of vacuum, typically
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Published 17 Nov 2017

Increasing the stability of DNA nanostructure templates by atomic layer deposition of Al2O3 and its application in imprinting lithography

  • Hyojeong Kim,
  • Kristin Arbutina,
  • Anqin Xu and
  • Haitao Liu

Beilstein J. Nanotechnol. 2017, 8, 2363–2375, doi:10.3762/bjnano.8.236

Graphical Abstract
  • ). Around the edges of the silicon wafer, the PLLA film was scraped off with a blade and the silicon wafer underneath the PLLA film was revealed (Figure 1d). A polydimethylsiloxane (PDMS) film was placed on top of the PLLA film serving as a flexible backing to assist in the separation of the polymer film
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Published 09 Nov 2017

Fabrication of gold-coated PDMS surfaces with arrayed triangular micro/nanopyramids for use as SERS substrates

  • Jingran Zhang,
  • Yongda Yan,
  • Peng Miao and
  • Jianxiong Cai

Beilstein J. Nanotechnol. 2017, 8, 2271–2282, doi:10.3762/bjnano.8.227

Graphical Abstract
  • nanoparticles on a poly(methyl methacrylate) (PMMA) template, and malachite green on fish skin [27] was successfully detected. A flexible and transparent substrate consisting of silver nanoparticles on polyethylene terephthalate (PET) sheets was fabricated for in situ detection of R6G and thiram residues with a
  • that the flexible, transparent PDMS substrates coated with gold are highly reproducibility and long-term stable. Researchers have already previously obtained similar results of the effects of nanostructures on the SERS measurement. First, some researchers [18][19] have studied the phenomenon in which
  • reliable, replicable, homogeneous, low cost process, and offers high Raman enhancement ability. Combining the force modulation indentation with the reverse nanoimprinting method, the structured SERS substrates with a flexible, transparent, gold-coated PDMS substrate can be used not only to detect liquid
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Published 01 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

Graphical Abstract
  • applications. In this context, the versatility of poly(chloro-p-xylylene) in the application of flexible organic electronics is presented in a review article by Marszalek et al. [9]. The absence of small molecule compounds or solvents in CVD films mitigates the risk of potential leakage of hazardous residues
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Editorial
Published 24 Oct 2017

Magnetic properties of optimized cobalt nanospheres grown by focused electron beam induced deposition (FEBID) on cantilever tips

  • Soraya Sangiao,
  • César Magén,
  • Darius Mofakhami,
  • Grégoire de Loubens and
  • José María De Teresa

Beilstein J. Nanotechnol. 2017, 8, 2106–2115, doi:10.3762/bjnano.8.210

Graphical Abstract
  • ], high resolution provided by the fine electron beam spot [29], tuning of growth parameters (beam dwell time, precursor flux, etc.) [30][31] and flexibility in the type of substrate used (rigid or flexible, flat or curved, conductive or insulating) [32]. An important aspect to consider in the growth by
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Published 09 Oct 2017

Spin-dependent transport and functional design in organic ferromagnetic devices

  • Guichao Hu,
  • Shijie Xie,
  • Chuankui Wang and
  • Carsten Timm

Beilstein J. Nanotechnol. 2017, 8, 1919–1931, doi:10.3762/bjnano.8.192

Graphical Abstract
  • filtering; transport; Introduction In recent years, organic spintronics has attracted more and more interest [1][2][3] in order to develop cheap and flexible devices employing the electronic spin degree of freedom. Organic spintronics has several merits compared with inorganic materials. The spin–orbit and
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Published 13 Sep 2017

Optical techniques for cervical neoplasia detection

  • Tatiana Novikova

Beilstein J. Nanotechnol. 2017, 8, 1844–1862, doi:10.3762/bjnano.8.186

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Published 06 Sep 2017

Oxidative stabilization of polyacrylonitrile nanofibers and carbon nanofibers containing graphene oxide (GO): a spectroscopic and electrochemical study

  • İlknur Gergin,
  • Ezgi Ismar and
  • A. Sezai Sarac

Beilstein J. Nanotechnol. 2017, 8, 1616–1628, doi:10.3762/bjnano.8.161

Graphical Abstract
  • . According to literature, a flexible and free standing composite paper comprising carbon nanofibers and graphene shows a higher specific capacitance than pure carbon nanofibers. Thus, the CNF/graphene combination can be a good candidate for a high-performance flexible capacitor applications [26]. In this
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Published 07 Aug 2017

Parylene C as a versatile dielectric material for organic field-effect transistors

  • Tomasz Marszalek,
  • Maciej Gazicki-Lipman and
  • Jacek Ulanski

Beilstein J. Nanotechnol. 2017, 8, 1532–1545, doi:10.3762/bjnano.8.155

Graphical Abstract
  • for applications in flexible organic electronics, is presented. A synthesis and basic properties of Parylene C are described, followed by several examples of use of parylenes as substrates, dielectrics, insulators, or protecting materials in the construction of organic field-effect transistors
  • . Keywords: dielectric; encapsulation layer; flexible substrate; organic field effect transistor; Parylene C; Review Introduction An improvement of the performance of organic transistors by means of boosting charge-carrier mobility is one of the main quests in organic electronics, calling for novel design
  • flexibility is a substrate that is not only flexible (relatively low Young's modulus) but also offers a smooth and pinhole-free structure. An equally important role is played by the encapsulation layer. Firstly, it protects the semiconductor thin film against the negative influence of water and oxygen
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Published 28 Jul 2017

A biofunctionalizable ink platform composed of catechol-modified chitosan and reduced graphene oxide/platinum nanocomposite

  • Peter Sobolewski,
  • Agata Goszczyńska,
  • Małgorzata Aleksandrzak,
  • Karolina Urbaś,
  • Joanna Derkowska,
  • Agnieszka Bartoszewska,
  • Jacek Podolski,
  • Ewa Mijowska and
  • Mirosława El Fray

Beilstein J. Nanotechnol. 2017, 8, 1508–1514, doi:10.3762/bjnano.8.151

Graphical Abstract
  • proteomics, in particular) during the crucial process of diagnosis. Importantly, an ideal biosensor platform needs to not only be sensitive and specific, but also flexible and affordable [1]. The past ten years have seen the growth of several technologies that hold much promise for the field of biosensors
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Published 24 Jul 2017

Light-induced magnetoresistance in solution-processed planar hybrid devices measured under ambient conditions

  • Sreetama Banerjee,
  • Daniel Bülz,
  • Danny Reuter,
  • Karla Hiller,
  • Dietrich R. T. Zahn and
  • Georgeta Salvan

Beilstein J. Nanotechnol. 2017, 8, 1502–1507, doi:10.3762/bjnano.8.150

Graphical Abstract
  • electrons and holes created by photoexcitation. These weakly interacting polarons are labelled as “electron–hole (e–h) pairs” and are considered to contribute to OMAR because of their flexible spin configuration (singlet or triplet). The same mechanism was proposed to be responsible for the OMAR observed in
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Published 21 Jul 2017

Formation of ferromagnetic molecular thin films from blends by annealing

  • Peter Robaschik,
  • Ye Ma,
  • Salahud Din and
  • Sandrine Heutz

Beilstein J. Nanotechnol. 2017, 8, 1469–1475, doi:10.3762/bjnano.8.146

Graphical Abstract
  • Abstract We report on a new approach for the fabrication of ferromagnetic molecular thin films. Co-evaporated films of manganese phthalocyanine (MnPc) and tetracyanoquinodimethane (TCNQ) have been produced by organic molecular beam deposition (OMBD) on rigid (glass, silicon) and flexible (Kapton
  • instance, at room temperature, films commonly adopt the α-phase (φ = 65°) and can be transformed to the thermodynamically stable β-phase (φ = 45°) by annealing in vacuum at 330 °C [7][8][9]. However, such temperatures are too high for most flexible substrates, and therefore limit one of the main
  • spintronic devices, especially on flexible substrates. Magnetic characterisation As expected from optical microscopy and XRD the β-MnPc film formed by annealing of the MnPc:TCNQ utilising a cover exhibits remarkable magnetic properties. Figure 4 shows magnetic hysteresis loops of a MnPc film on Kapton at
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Published 14 Jul 2017

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

Graphical Abstract
  • solar cells (OSCs) [27][28]. We chose this to serve as example as it closely resembles the functional principles of systems found in spin chemistry. While OSCs have significant potential to become an inexpensive, large area and flexible photovoltaic technology at lower cost than conventional
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Published 11 Jul 2017

Micro- and nano-surface structures based on vapor-deposited polymers

  • Hsien-Yeh Chen

Beilstein J. Nanotechnol. 2017, 8, 1366–1374, doi:10.3762/bjnano.8.138

Graphical Abstract
  • alternative approach combining vapor deposition of polymers on curved substrates (instead of spin-coating) and a flexible mask to generate polytricosadiynoic acid and poly(4-vinylpyridine) patterns on curvatures has been shown with a conventional lithographic technique [33]. The creation of patterned
  • addition, the development of new devices is pursued with complicated geometries and minimized sizes, the surface properties of such materials/devices now also require a more defined and flexible presentation of the chemical functionalities (e.g., multifunctional or gradient distribution) and the precise
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Published 04 Jul 2017

Synthesis of [Fe(Leq)(Lax)]n coordination polymer nanoparticles using blockcopolymer micelles

  • Christoph Göbel,
  • Ottokar Klimm,
  • Florian Puchtler,
  • Sabine Rosenfeldt,
  • Stephan Förster and
  • Birgit Weber

Beilstein J. Nanotechnol. 2017, 8, 1318–1327, doi:10.3762/bjnano.8.133

Graphical Abstract
  • composite nanoparticles where the BCP micelle is filled with the CP, as in the case of the [FeLeq(bpey)]n@BCP. Otherwise, in the case of more flexible ligands or ligands that lead to high spin complexes, the formation of microcrystals next to the CP–BCP nanoparticles is observed above a certain
  • results are summarised in Table 1. The first microcrystals (3–6 µm) were observed for bpee as bridging ligand after four cycles of addition of starting material (2d), while for the more flexible bpea the first microcrystals are observed only after five cycles (1e, 1.5–2.0 µm). In the case of the more
  • formation of microcrystals outside the BCP micelles increases. In agreement with this, it was not possible to synthesise nanoparticles of the coordination polymer [FeLeq(bppa)]n [44], when bppa = 1,3-di(pyridin-4-yl)propane, a very flexible ligand (high solubility), is used. Syntheses were also performed in
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Published 26 Jun 2017

Oxidative chemical vapor deposition of polyaniline thin films

  • Yuriy Y. Smolin,
  • Masoud Soroush and
  • Kenneth K. S. Lau

Beilstein J. Nanotechnol. 2017, 8, 1266–1276, doi:10.3762/bjnano.8.128

Graphical Abstract
  • demonstrated PEDOT as a neutral hole-transporting polymer for enhancing solar cells efficiency and lifetime [28]. oCVD PEDOT was also used to encapsulate flexible organic photovoltaics [29] and in the fabrication of organic photovoltaic circuits on unmodified paper [30]. Likewise, our group demonstrated the
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Published 16 Jun 2017

Growth, structure and stability of sputter-deposited MoS2 thin films

  • Reinhard Kaindl,
  • Bernhard C. Bayer,
  • Roland Resel,
  • Thomas Müller,
  • Viera Skakalova,
  • Gerlinde Habler,
  • Rainer Abart,
  • Alexey S. Cherevan,
  • Dominik Eder,
  • Maxime Blatter,
  • Fabian Fischer,
  • Jannik C. Meyer,
  • Dmitry K. Polyushkin and
  • Wolfgang Waldhauser

Beilstein J. Nanotechnol. 2017, 8, 1115–1126, doi:10.3762/bjnano.8.113

Graphical Abstract
  • found to have a direct bandgap of ≈1.8 eV [8]. Relatively high mechanical flexibility, good optical transmittance, high current on/off ratios in field effect transistor (FET) geometries and reasonably good field effect mobilities make atomically thin MoS2 layers a promising candidate for flexible and
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Published 22 May 2017
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