Search results

Search for "chemical stability" in Full Text gives 168 result(s) in Beilstein Journal of Nanotechnology.

Removal of toxic heavy metals from river water samples using a porous silica surface modified with a new β-ketoenolic host

  • Said Tighadouini,
  • Smaail Radi,
  • Abderrahman Elidrissi,
  • Khadija Haboubi,
  • Maryse Bacquet,
  • Stéphanie Degoutin,
  • Mustapha Zaghrioui and
  • Yann Garcia

Beilstein J. Nanotechnol. 2019, 10, 262–273, doi:10.3762/bjnano.10.25

Graphical Abstract
  • the sorbent material after five cycles of use. This suggests that SiNL has excellent chemical stability as a highly efficient adsorbent for the recovery of Zn(II), Pb(II), Cd(II) and Cu(II) ions. Extraction of heavy metal in natural real water samples. The mesoporous SiNL adsorbent was also used for
PDF
Album
Full Research Paper
Published 23 Jan 2019

Thermal control of the defunctionalization of supported Au25(glutathione)18 catalysts for benzyl alcohol oxidation

  • Zahraa Shahin,
  • Hyewon Ji,
  • Rodica Chiriac,
  • Nadine Essayem,
  • Franck Rataboul and
  • Aude Demessence

Beilstein J. Nanotechnol. 2019, 10, 228–237, doi:10.3762/bjnano.10.21

Graphical Abstract
  • its high physical and chemical stability, along with its ability to form nanoparticles for high dispersion of the gold nanoclusters [24]. In this work, we synthesized Au25(SG)18@ZrO2 (A), a composite material, and studied the calcination effect to control the defunctionalization of the clusters on the
PDF
Album
Supp Info
Full Research Paper
Published 18 Jan 2019

Wet chemistry route for the decoration of carbon nanotubes with iron oxide nanoparticles for gas sensing

  • Hussam M. Elnabawy,
  • Juan Casanova-Chafer,
  • Badawi Anis,
  • Mostafa Fedawy,
  • Mattia Scardamaglia,
  • Carla Bittencourt,
  • Ahmed S. G. Khalil,
  • Eduard Llobet and
  • Xavier Vilanova

Beilstein J. Nanotechnol. 2019, 10, 105–118, doi:10.3762/bjnano.10.10

Graphical Abstract
  • properties [2][3]. In particular, they have been extensively researched in gas sensing applications because of their high thermal and chemical stability, high adsorption capacity and suitability for being functionalized, which enables tailoring (to some extent) their sensitivity and selectivity to the
PDF
Album
Supp Info
Full Research Paper
Published 09 Jan 2019

Threshold voltage decrease in a thermotropic nematic liquid crystal doped with graphene oxide flakes

  • Mateusz Mrukiewicz,
  • Krystian Kowiorski,
  • Paweł Perkowski,
  • Rafał Mazur and
  • Małgorzata Djas

Beilstein J. Nanotechnol. 2019, 10, 71–78, doi:10.3762/bjnano.10.7

Graphical Abstract
  • University of Technology, Warsaw, Poland. It is a room temperature nematic liquid crystal material of high chemical stability. The phase transition from the isotropic phase to the nematic phase and then to the crystalline phase is at 35 °C and 18 °C, respectively [34][35][36]. Pentylcyanobiphenyl (5CB) has a
PDF
Album
Full Research Paper
Published 07 Jan 2019

Graphene-enhanced metal oxide gas sensors at room temperature: a review

  • Dongjin Sun,
  • Yifan Luo,
  • Marc Debliquy and
  • Chao Zhang

Beilstein J. Nanotechnol. 2018, 9, 2832–2844, doi:10.3762/bjnano.9.264

Graphical Abstract
  • as a gas sensor because of its small bandgap (2.585 eV) and its physical and chemical stability [88][89]. In an early work, Jie et al. [90] reported that a NO2 sensor based on WO3 nanospheres wrapped in graphene sheets, prepared by a simple sol–gel technique, showed a linear response to low
PDF
Album
Review
Published 09 Nov 2018

Impact of the anodization time on the photocatalytic activity of TiO2 nanotubes

  • Jesús A. Díaz-Real,
  • Geyla C. Dubed-Bandomo,
  • Juan Galindo-de-la-Rosa,
  • Luis G. Arriaga,
  • Janet Ledesma-García and
  • Nicolas Alonso-Vante

Beilstein J. Nanotechnol. 2018, 9, 2628–2643, doi:10.3762/bjnano.9.244

Graphical Abstract
  • such as excellent chemical stability, photo-corrosion resistance, low cost, and low toxicity make TiO2 a material suitable for energy production and environmental applications, such as advanced oxidation processes for the decomposition of organic pollutants in water [2][3]. However, the material
PDF
Album
Supp Info
Full Research Paper
Published 04 Oct 2018

Cytotoxicity of doxorubicin-conjugated poly[N-(2-hydroxypropyl)methacrylamide]-modified γ-Fe2O3 nanoparticles towards human tumor cells

  • Zdeněk Plichta,
  • Yulia Kozak,
  • Rostyslav Panchuk,
  • Viktoria Sokolova,
  • Matthias Epple,
  • Lesya Kobylinska,
  • Pavla Jendelová and
  • Daniel Horák

Beilstein J. Nanotechnol. 2018, 9, 2533–2545, doi:10.3762/bjnano.9.236

Graphical Abstract
  • , since they yield hydrophilic particles that are mildly polydisperse and do not need any transfer in water. The advantage of maghemite over magnetite consists in its chemical stability [22]. Moreover, the particles exhibited superparamagnetic behavior as documented in our previous paper [23]. This
PDF
Album
Full Research Paper
Published 25 Sep 2018

Enhanced antineoplastic/therapeutic efficacy using 5-fluorouracil-loaded calcium phosphate nanoparticles

  • Shanid Mohiyuddin,
  • Saba Naqvi and
  • Gopinath Packirisamy

Beilstein J. Nanotechnol. 2018, 9, 2499–2515, doi:10.3762/bjnano.9.233

Graphical Abstract
  • bioavailability, increased chemical stability, stimuli-responsive behaviour, pH-dependent properties, surface engineering characteristics, low or no antigenicity [16] and aqueous solubility of calcium phosphate nanoparticles greatly enhances the therapeutic efficacy. The exploitation of calcium phosphate
PDF
Album
Supp Info
Full Research Paper
Published 20 Sep 2018

Thickness-dependent photoelectrochemical properties of a semitransparent Co3O4 photocathode

  • Malkeshkumar Patel and
  • Joondong Kim

Beilstein J. Nanotechnol. 2018, 9, 2432–2442, doi:10.3762/bjnano.9.228

Graphical Abstract
  • respect to the water redox potential [3][9][10]. The spinel Co3O4 is interesting because of its dual bandgap (1.5 and 2.2 eV), high absorption coefficient, intrinsic p-type doping and chemical stability. It has found application as a light-absorbing entity in all-metal-oxide photovoltaic cells [11][12][13
  • condition, the photoresponse was prominent, as shown in Figure 3b. The low dark current (Jd), which is consistent throughout the potential from 0.8 to 0.1 V vs RHE, confirms the chemical stability of the Co3O4 material. Meanwhile, these results also characterized the photoactive properties of the depletion
PDF
Album
Supp Info
Full Research Paper
Published 12 Sep 2018

Hierarchical heterostructures of Bi2MoO6 microflowers decorated with Ag2CO3 nanoparticles for efficient visible-light-driven photocatalytic removal of toxic pollutants

  • Shijie Li,
  • Wei Jiang,
  • Shiwei Hu,
  • Yu Liu,
  • Yanping Liu,
  • Kaibing Xu and
  • Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 2297–2305, doi:10.3762/bjnano.9.214

Graphical Abstract
  • regarded as a promising visible-light-driven (VLD) photocatalyst because of its good activity, chemical stability and nontoxicity [15][16][17]. However, the low carrier-separation rate and narrow photo-response range of Bi2MoO6 substantially lower its photocatalytic performance [18][19]. To overcome this
PDF
Album
Supp Info
Full Research Paper
Published 27 Aug 2018

Lead-free hybrid perovskites for photovoltaics

  • Oleksandr Stroyuk

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

Graphical Abstract
  • ][96][97]. The cation-exchange approach applied to produce FASn1−xPbxI3 and FAPbI3 from FASnI3 is expected to be a general one and appropriate for the introduction of other isovalent and aliovalent cations such as Mn2+, Co2+, Bi3+, and Al3+ into the sites of Sn2+ or Pb2+ [97]. The chemical stability of
  • this material as compared to planar films of the same composition [122]. It was found that of the three “homologs” of CsSnX3 HPs (X = Cl, Br, I) the bromide-based compound shows an exceptionally high photochemical and chemical stability, which can further be enhanced by doping with SnF2 [110]. The
PDF
Album
Review
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

Graphical Abstract
  • of pure MOx NFs [86]. SnO2 is a widely-used metal oxide material for gas sensing applications because of its low cost and high chemical stability. However, wide application of SnO2-based gas sensors is limited by low sensitivity, slow response, lack of selectivity and the effects of aging. SnO2 NFs
PDF
Album
Supp Info
Review
Published 13 Aug 2018

Fabrication of photothermally active poly(vinyl alcohol) films with gold nanostars for antibacterial applications

  • Mykola Borzenkov,
  • Maria Moros,
  • Claudia Tortiglione,
  • Serena Bertoldi,
  • Nicola Contessi,
  • Silvia Faré,
  • Angelo Taglietti,
  • Agnese D’Agostino,
  • Piersandro Pallavicini,
  • Maddalena Collini and
  • Giuseppe Chirico

Beilstein J. Nanotechnol. 2018, 9, 2040–2048, doi:10.3762/bjnano.9.193

Graphical Abstract
  • higher temperatures (ΔT > 40 °C) in the latter case [3][8][9][10]. Poly(vinyl alcohol) (PVA) polymer is also an attractive material for GNS-based film fabrication, as it displays a range of useful properties, namely, low toxicity, biocompatibility, hydrophilicity, chemical stability, and excellent film
PDF
Album
Supp Info
Full Research Paper
Published 23 Jul 2018

Synthesis of carbon nanowalls from a single-source metal-organic precursor

  • André Giese,
  • Sebastian Schipporeit,
  • Volker Buck and
  • Nicolas Wöhrl

Beilstein J. Nanotechnol. 2018, 9, 1895–1905, doi:10.3762/bjnano.9.181

Graphical Abstract
  • the large surface area of the material. The high aspect ratio together with chemical stability, mechanical strength and electrical conductivity make CNWs an interesting matrix material for catalytic applications. Together with metallic nanoparticles, such as platinum, CNWs could be used in lithium-ion
PDF
Album
Full Research Paper
Published 29 Jun 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

Graphical Abstract
  • TiO2 are listed in Table 1. Photocatalytic reduction of Cr(VI) over reduced graphene oxide modified TiO2 Graphene is a single layer of two-dimensional carbon material with graphite structure. Because of its low cost, excellent conductivity, superior chemical stability and exceptionally high specific
  • , graphene support on TiO2 results in higher transport of photogenerated charge carriers, enrichment of light harvesting, increase of surface active sites and chemical stability of photocatalysts, which are essentially needed for a good photocatalyst [117][118][119]. The transport of electrons is facilitated
PDF
Album
Review
Published 16 May 2018

Effect of annealing treatments on CeO2 grown on TiN and Si substrates by atomic layer deposition

  • Silvia Vangelista,
  • Rossella Piagge,
  • Satu Ek and
  • Alessio Lamperti

Beilstein J. Nanotechnol. 2018, 9, 890–899, doi:10.3762/bjnano.9.83

Graphical Abstract
  • ; in situ annealing; transmission electron microscopy; X-ray diffraction; Introduction Cerium dioxide (CeO2) has raised renewed interest in the recent years in many fields of research thanks to its properties, such as the ability to store and release oxygen, or its chemical stability [1][2]. For many
PDF
Album
Full Research Paper
Published 15 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

Graphical Abstract
PDF
Review
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

Graphical Abstract
  • dioxide, due to its suitable band position, non-toxicity, low cost, and simple synthesis, is an appropriate material for modification of various metals. Its chemical stability and biocompatibility plays an important role in various applications such as gas sensors, photocatalytic hydrogen generation
PDF
Album
Full Research Paper
Published 26 Feb 2018

Facile synthesis of ZnFe2O4 photocatalysts for decolourization of organic dyes under solar irradiation

  • Arjun Behera,
  • Debasmita Kandi,
  • Sanjit Manohar Majhi,
  • Satyabadi Martha and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 436–446, doi:10.3762/bjnano.9.42

Graphical Abstract
  • magnetic in nature [10][11][12][13]. Among different metal ferrite materials, zinc ferrite (ZnFe2O4) plays a significant role because of its low band gap (1.88 eV), high thermal conductivity, good chemical stability, higher specific strength, magneto-resistive and magneto optical properties and low
PDF
Album
Full Research Paper
Published 05 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

Graphical Abstract
  • . Molybdenum dioxide (MoO2) materials are particularly attractive among the transition-metal oxides due to their high melting point, high chemical stability and low electrical resistivity (190 S cm−1). This material has great potential for applications in several fields such as sensing, catalysis
PDF
Album
Supp Info
Full Research Paper
Published 24 Jan 2018

BN/Ag hybrid nanomaterials with petal-like surfaces as catalysts and antibacterial agents

  • Konstantin L. Firestein,
  • Denis V. Leybo,
  • Alexander E. Steinman,
  • Andrey M. Kovalskii,
  • Andrei T. Matveev,
  • Anton M. Manakhov,
  • Irina V. Sukhorukova,
  • Pavel V. Slukin,
  • Nadezda K. Fursova,
  • Sergey G. Ignatov,
  • Dmitri V. Golberg and
  • Dmitry V. Shtansky

Beilstein J. Nanotechnol. 2018, 9, 250–261, doi:10.3762/bjnano.9.27

Graphical Abstract
  • effects of different nanocomponents. In recent years, BN nanostructures have been in the focus due to advantageous combination of properties, such as high tensile strength and elastic modulus, superb chemical stability, biocompatibility, high thermal conductivity and perfect electrical insulation. This
PDF
Album
Supp Info
Full Research Paper
Published 23 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

Graphical Abstract
  • medicine. Within this class of materials, carbon nanodots (C-dots) are deemed a major breakthrough for the development of fluorescent nanomaterials. They are a promising alternative to fluorescent inorganic semiconductor nanocrystals and organic dyes due to their chemical stability, good dispersibility in
PDF
Album
Supp Info
Full Research Paper
Published 12 Jan 2018

Atomic layer deposition and properties of ZrO2/Fe2O3 thin films

  • Kristjan Kalam,
  • Helina Seemen,
  • Peeter Ritslaid,
  • Mihkel Rähn,
  • Aile Tamm,
  • Kaupo Kukli,
  • Aarne Kasikov,
  • Joosep Link,
  • Raivo Stern,
  • Salvador Dueñas,
  • Helena Castán and
  • Héctor García

Beilstein J. Nanotechnol. 2018, 9, 119–128, doi:10.3762/bjnano.9.14

Graphical Abstract
  • results in a significantly higher saturation magnetization than doping ZrO2 with the other transition metals studied. Fe–ZrO2 nanocomposite thin films have been synthesized using a solid state reaction between the Zr and Fe2O3 layers, and their composition, structure, chemical stability and magnetic
PDF
Album
Full Research Paper
Published 10 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
  • -resonators such as a high chemical stability and an excellent thermal conductivity [22][23]. In this work, we propose to use hBN for the fabrication of photonic crystal cavities (PCCs). We design two dimensional (2D) PCCs and show that they have high quality-factor (Q-factor) resonances in the visible
PDF
Album
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
  • conductive layer, which is often a thin film of metal (e.g., Au, Ag) or indium tin oxide (ITO). However, the use of these coatings often complicates the technology because of the need for antireflection coatings, or they disturb the optical homogeneity and chemical stability [1][2][3]. Hence a number of
PDF
Album
Full Research Paper
Published 28 Dec 2017
Other Beilstein-Institut Open Science Activities