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Search for "heterogeneous catalysis" in Full Text gives 30 result(s) in Beilstein Journal of Nanotechnology.

The role of gold atom concentration in the formation of Cu–Au nanoparticles from the gas phase

  • Yuri Ya. Gafner,
  • Svetlana L. Gafner,
  • Darya A. Ryzkova and
  • Andrey V. Nomoev

Beilstein J. Nanotechnol. 2021, 12, 72–81, doi:10.3762/bjnano.12.6

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  • application in the field of catalysis and optics. Thus, it has been shown that, in heterogeneous catalysis, Cu–Au nanoalloys usually exhibit a synergistic effect in oxidative reactions and the preferential oxidation of carbon monoxide (CO) to carbon dioxide at ambient temperature as well as in the selective
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Published 19 Jan 2021

Air oxidation of sulfur mustard gas simulants using a pyrene-based metal–organic framework photocatalyst

  • Ghada Ayoub,
  • Mihails Arhangelskis,
  • Xuan Zhang,
  • Florencia Son,
  • Timur Islamoglu,
  • Tomislav Friščić and
  • Omar K. Farha

Beilstein J. Nanotechnol. 2019, 10, 2422–2427, doi:10.3762/bjnano.10.232

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  • selection of solvent choices since solubility of the chromophore does not need to be considered, and lower probability of photobleaching [24][25]. Metal–organic frameworks (MOFs), porous crystalline materials comprised of metal nodes and organic linkers, have attracted tremendous attention in heterogeneous
  • catalysis due to their structural and chemical tunability [26][27][28][29][30][31][32][33][34][35][36]. In that context, zirconium-based MOFs have demonstrated particularly high stability under a range of conditions, enabling their application for efficient, rapid hydrolytic or oxidative degradation of
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Published 09 Dec 2019

Processing nanoporous organic polymers in liquid amines

  • Jeehye Byun,
  • Damien Thirion and
  • Cafer T. Yavuz

Beilstein J. Nanotechnol. 2019, 10, 1844–1850, doi:10.3762/bjnano.10.179

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  • focused on the in-depth characterization of porosity and chemical functionalities of the processed polymers. Nanosized porous polymers would yield a better surface area, and size control would be of interest for applications in which size matters such as heterogeneous catalysis [30]. The films and
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Published 09 Sep 2019

Kelvin probe force microscopy work function characterization of transition metal oxide crystals under ongoing reduction and oxidation

  • Dominik Wrana,
  • Karol Cieślik,
  • Wojciech Belza,
  • Christian Rodenbücher,
  • Krzysztof Szot and
  • Franciszek Krok

Beilstein J. Nanotechnol. 2019, 10, 1596–1607, doi:10.3762/bjnano.10.155

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  • superconductor with a superconductivity transition temperature (Tc) of 5.5 K, which is higher than previously reported results [22]. As a result of its electronic structure, titanium monoxide nanoparticles find further application in heterogeneous catalysis, e.g., for the hydrogenation of styrene [1]. Here we
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Published 02 Aug 2019

Hierarchically structured 3D carbon nanotube electrodes for electrocatalytic applications

  • Pei Wang,
  • Katarzyna Kulp and
  • Michael Bron

Beilstein J. Nanotechnol. 2019, 10, 1475–1487, doi:10.3762/bjnano.10.146

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  • ., colloidal synthesis [29][30][31], a galvanic replacement process [32][33][34][35] or microwave-assisted preparation [20][21][36], have been proposed to gain control over the structural features of the active nanoparticles. However, from heterogeneous catalysis it is generally known that a suitable catalyst
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Published 24 Jul 2019

Playing with covalent triazine framework tiles for improved CO2 adsorption properties and catalytic performance

  • Giulia Tuci,
  • Andree Iemhoff,
  • Housseinou Ba,
  • Lapo Luconi,
  • Andrea Rossin,
  • Vasiliki Papaefthimiou,
  • Regina Palkovits,
  • Jens Artz,
  • Cuong Pham-Huu and
  • Giuliano Giambastiani

Beilstein J. Nanotechnol. 2019, 10, 1217–1227, doi:10.3762/bjnano.10.121

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  • catalysts From the viewpoint of sustainable technologies, the heterogeneous catalysis with complex carbon networks as metal-free systems, including carbon matrices hetero-doped with light elements, has received a great deal of interest from several research groups operating in the area of industrially
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Published 12 Jun 2019

A highly efficient porous rod-like Ce-doped ZnO photocatalyst for the degradation of dye contaminants in water

  • Binjing Hu,
  • Qiang Sun,
  • Chengyi Zuo,
  • Yunxin Pei,
  • Siwei Yang,
  • Hui Zheng and
  • Fangming Liu

Beilstein J. Nanotechnol. 2019, 10, 1157–1165, doi:10.3762/bjnano.10.115

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  • ]. In recent years, metal organic frameworks (MOFs) have been intensively investigated and widely utilized in various fields, such as electrocatalysis [14], heterogeneous catalysis [15] and photocatalysis [16]. Yang et al. [17] reported that Ga-MOF displayed moderate to high catalytic activity of
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Published 03 Jun 2019

Photoactive nanoarchitectures based on clays incorporating TiO2 and ZnO nanoparticles

  • Eduardo Ruiz-Hitzky,
  • Pilar Aranda,
  • Marwa Akkari,
  • Nithima Khaorapapong and
  • Makoto Ogawa

Beilstein J. Nanotechnol. 2019, 10, 1140–1156, doi:10.3762/bjnano.10.114

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  • important advantage for the flow system. A simpler continuous-flow reactor was designed by Meshram and co-workers [169]. Conclusions and Future Perspectives Clay minerals are abundant, low-cost and benign materials that can be advantageous over other kinds of inorganic solids used in heterogeneous catalysis
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Published 31 May 2019

Ultrathin hydrophobic films based on the metal organic framework UiO-66-COOH(Zr)

  • Miguel A. Andrés,
  • Clemence Sicard,
  • Christian Serre,
  • Olivier Roubeau and
  • Ignacio Gascón

Beilstein J. Nanotechnol. 2019, 10, 654–665, doi:10.3762/bjnano.10.65

Graphical Abstract
  • applications [5], including gas storage [6], membranes for separation processes [7], heterogeneous catalysis [8], sensing [9] or drug delivery [10], among others. Many of these applications require the formation of MOF films onto different kinds of surfaces with precise control of film thickness and
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Published 06 Mar 2019

One-step nonhydrolytic sol–gel synthesis of mesoporous TiO2 phosphonate hybrid materials

  • Yanhui Wang,
  • P. Hubert Mutin and
  • Johan G. Alauzun

Beilstein J. Nanotechnol. 2019, 10, 356–362, doi:10.3762/bjnano.10.35

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  • of heterogeneous catalysis or selective adsorption. Their high hydrolytic stability over a wide range of pH [15] and the possibility to functionalize them with a variety of functional groups makes them particularly promising for applications in aqueous phase catalysis (e.g., for biomass conversion
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Published 05 Feb 2019

Comparative biological effects of spherical noble metal nanoparticles (Rh, Pd, Ag, Pt, Au) with 4–8 nm diameter

  • Alexander Rostek,
  • Marina Breisch,
  • Kevin Pappert,
  • Kateryna Loza,
  • Marc Heggen,
  • Manfred Köller,
  • Christina Sengstock and
  • Matthias Epple

Beilstein J. Nanotechnol. 2018, 9, 2763–2774, doi:10.3762/bjnano.9.258

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  • , palladium, platinum, gold) that do not release ions are not cytotoxic under these conditions. Keywords: cytotoxicity; electron microscopy; metals; nanoparticles; nanotoxicity; Introduction Inorganic and metallic nanoparticles represent a well-established part of materials science, heterogeneous catalysis
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Published 29 Oct 2018

Ester formation at the liquid–solid interface

  • Nguyen T. N. Ha,
  • Thiruvancheril G. Gopakumar,
  • Nguyen D. C. Yen,
  • Carola Mende,
  • Lars Smykalla,
  • Maik Schlesinger,
  • Roy Buschbeck,
  • Tobias Rüffer,
  • Heinrich Lang,
  • Michael Mehring and
  • Michael Hietschold

Beilstein J. Nanotechnol. 2017, 8, 2139–2150, doi:10.3762/bjnano.8.213

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  • the other hand, solid–liquid interfaces are much more often encountered in real world applications ranging from heterogeneous catalysis to biomembranes. Heating is in such cases usually limited by the boiling of the liquid phase, and other means to initiate on-surface reactions are often required
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Published 12 Oct 2017

Nanostructured carbon materials decorated with organophosphorus moieties: synthesis and application

  • Giacomo Biagiotti,
  • Vittoria Langè,
  • Cristina Ligi,
  • Stefano Caporali,
  • Maurizio Muniz-Miranda,
  • Anna Flis,
  • K. Michał Pietrusiewicz,
  • Giacomo Ghini,
  • Alberto Brandi and
  • Stefano Cicchi

Beilstein J. Nanotechnol. 2017, 8, 485–493, doi:10.3762/bjnano.8.52

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  • corresponding phosphine derivatives and applied one of the materials produced as heterogeneous organocatalyst in a Staudinger ligation reaction. Keywords: azides; click chemistry; heterogeneous catalysis; organocatalysis; phosphorus; Introduction The term of carbon nanomaterial (CNMs) comprises many different
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Published 22 Feb 2017

Time-dependent growth of crystalline Au0-nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. Anabaena cylindrica

  • Liz M. Rösken,
  • Felix Cappel,
  • Susanne Körsten,
  • Christian B. Fischer,
  • Andreas Schönleber,
  • Sander van Smaalen,
  • Stefan Geimer,
  • Christian Beresko,
  • Georg Ankerhold and
  • Stefan Wehner

Beilstein J. Nanotechnol. 2016, 7, 312–327, doi:10.3762/bjnano.7.30

Graphical Abstract
  • since there are widespread possibilities of usage [1][2][3]. Especially Au0-nanoparticles are used, e.g., in heterogeneous catalysis [4][5][6] or in various medical applications [7][8]. There is a growing field of research in microbiological approaches for the production of nanoparticles since more than
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Published 02 Mar 2016

Heterometal nanoparticles from Ru-based molecular clusters covalently anchored onto functionalized carbon nanotubes and nanofibers

  • Deborah Vidick,
  • Xiaoxing Ke,
  • Michel Devillers,
  • Claude Poleunis,
  • Arnaud Delcorte,
  • Pietro Moggi,
  • Gustaaf Van Tendeloo and
  • Sophie Hermans

Beilstein J. Nanotechnol. 2015, 6, 1287–1297, doi:10.3762/bjnano.6.133

Graphical Abstract
  • commercial Pt–Ru/C catalysts. The preparation methods for Pt–Ru/nanocarbon are varied and take inspiration from (i) electrochemistry (electrodeposition) [11][12], (ii) nanoparticle synthesis (polyol procedure) [13][14] or (iii) heterogeneous catalysis (impregnation/reduction). A fixed pH value during the
  • technology. The goal is not to optimize the catalytic performance but rather to demonstrate proof-of-principle activity in a well-known reaction. The synthesis of ammonia from its constituting elements (N2 + 3H2) is one of the largest industrial processes based on heterogeneous catalysis [42]. Owing to the
  • /nanocarbon composites could find application in heterogeneous catalysis or as anodes for direct methanol fuel cells. After promotion with Cs, we showed that our Ru/C nanocomposites are indeed active in ammonia synthesis under very mild conditions. Experimental The experimental strategy was, in general, very
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Published 10 Jun 2015

Nanoparticle shapes by using Wulff constructions and first-principles calculations

  • Georgios D. Barmparis,
  • Zbigniew Lodziana,
  • Nuria Lopez and
  • Ioannis N. Remediakis

Beilstein J. Nanotechnol. 2015, 6, 361–368, doi:10.3762/bjnano.6.35

Graphical Abstract
  • focus to three recent extensions: active sites of metal nanoparticles for heterogeneous catalysis, ligand-protected nanoparticles generated as colloidal suspensions and nanoparticles of complex metal hydrides for hydrogen storage. Conclusion: Wulff construction, in particular when linked to first
  • construction; Introduction The functionality of nanoparticles in modern materials is intimately linked to their structure in terms of size and shape [1]. Structures at the nanoscale have found myriads of applications out of the traditional field of heterogeneous catalysis and more are discovered almost on a
  • construction The atomistic Wulff construction emerged through the field of heterogeneous catalysis, in which the shape of transition metal nanoparticles is a key factor of their functionality. Atomistic models for an equilibrium-shaped Ru nanoparticle were part of a long-term project to model an industrial
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Published 03 Feb 2015

Cathode lens spectromicroscopy: methodology and applications

  • T. O. Menteş,
  • G. Zamborlini,
  • A. Sala and
  • A. Locatelli

Beilstein J. Nanotechnol. 2014, 5, 1873–1886, doi:10.3762/bjnano.5.198

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  • map in Figure 10b (right panel). This is a surprising confirmation of the magnetocrystalline anisotropy strength dominating the shape anisotropy. Iron oxides find wide application in several fields of research, among others magnetism and heterogeneous catalysis. In both cases, the heteroepitaxial
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Published 27 Oct 2014

Pyrite nanoparticles as a Fenton-like reagent for in situ remediation of organic pollutants

  • Carolina Gil-Lozano,
  • Elisabeth Losa-Adams,
  • Alfonso F.-Dávila and
  • Luis Gago-Duport

Beilstein J. Nanotechnol. 2014, 5, 855–864, doi:10.3762/bjnano.5.97

Graphical Abstract
  • is used as iron source for heterogeneous catalysis, an additional mechanism for the Fe2+ regeneration occurs through Equation 8: This drives the oxidation of pyrite by Fe3+, thereby releasing Fe2+ and consequently, accelerating the degradation of H2O2 through Equation 4. As shown above, Equation 3
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Published 16 Jun 2014

Visible light photooxidative performance of a high-nuclearity molecular bismuth vanadium oxide cluster

  • Johannes Tucher and
  • Carsten Streb

Beilstein J. Nanotechnol. 2014, 5, 711–716, doi:10.3762/bjnano.5.83

Graphical Abstract
  • the cluster shell [15][16][17][18][19]. Using this approach, materials for energy conversion and storage [20][21], homogeneous and heterogeneous catalysis [1][14], biomedical applications [22][23][24] and nanostructured functional materials [17][25][26] have been developed. We have recently started
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Published 26 May 2014

Applicability and costs of nanofiltration in combination with photocatalysis for the treatment of dye house effluents

  • Wolfgang M. Samhaber and
  • Minh Tan Nguyen

Beilstein J. Nanotechnol. 2014, 5, 476–484, doi:10.3762/bjnano.5.55

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  • membrane is used to keep the nano-sized catalyst particles within the UV-radiated reaction chamber. A comparable system is described by Patsios et al. [23] for the continuous degradation of humic acids. In a heterogeneous catalysis with TiO2 the successful removal of 5 to 10 mg/L humic acid from a
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Published 15 Apr 2014

Design criteria for stable Pt/C fuel cell catalysts

  • Josef C. Meier,
  • Carolina Galeano,
  • Ioannis Katsounaros,
  • Jonathon Witte,
  • Hans J. Bongard,
  • Angel A. Topalov,
  • Claudio Baldizzone,
  • Stefano Mezzavilla,
  • Ferdi Schüth and
  • Karl J. J. Mayrhofer

Beilstein J. Nanotechnol. 2014, 5, 44–67, doi:10.3762/bjnano.5.5

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  • , 40237 Düsseldorf, Germany Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany 10.3762/bjnano.5.5 Abstract Platinum and Pt alloy nanoparticles supported on carbon are the state of the art electrocatalysts in proton
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Published 16 Jan 2014

Influence of the solvent on the stability of bis(terpyridine) structures on graphite

  • Daniela Künzel and
  • Axel Groß

Beilstein J. Nanotechnol. 2013, 4, 269–277, doi:10.3762/bjnano.4.29

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  • formation of hydrogen-bonded organic networks is of technological interest for future applications such as molecular electronics, organic photovoltaics [1] or functionalized host–guest systems [2] that may be used in heterogeneous catalysis. As a model system for ordered organic adlayers, bis(terpyridines
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Published 22 Apr 2013

The oriented and patterned growth of fluorescent metal–organic frameworks onto functionalized surfaces

  • Jinliang Zhuang,
  • Jasmin Friedel and
  • Andreas Terfort

Beilstein J. Nanotechnol. 2012, 3, 570–578, doi:10.3762/bjnano.3.66

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  • surfaces, which are accessible by guest molecules. Based on this, MOFs have already demonstrated their potential for gas storage/separation [1], heterogeneous catalysis [2], molecular recognition [3], and sensing [4]. Some of these applications, such as gas storage, require the bulk preparation of the
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Published 02 Aug 2012

Functionalised zinc oxide nanowire gas sensors: Enhanced NO2 gas sensor response by chemical modification of nanowire surfaces

  • Eric R. Waclawik,
  • Jin Chang,
  • Andrea Ponzoni,
  • Isabella Concina,
  • Dario Zappa,
  • Elisabetta Comini,
  • Nunzio Motta,
  • Guido Faglia and
  • Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2012, 3, 368–377, doi:10.3762/bjnano.3.43

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  • semiconductor surface towards chemisorption or else to ensure heterogeneous catalysis of a high proportion of target gas molecules at the sensor surface. High-temperature operation also ensures the complete desorption of gaseous species following transduction. Maintaining a semiconductor gas sensor at a stable
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Published 02 May 2012

Synthesis and catalytic applications of combined zeolitic/mesoporous materials

  • Jarian Vernimmen,
  • Vera Meynen and
  • Pegie Cool

Beilstein J. Nanotechnol. 2011, 2, 785–801, doi:10.3762/bjnano.2.87

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  • of nanoporous materials are essential to lead to the successful implementation of nanoporous materials in (industrial) chemical processes. The field in which nanoporous materials are applied most frequently is in heterogeneous catalysis. Therefore, in the next few paragraphs, the use of Ti-containing
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Published 30 Nov 2011
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