Search results

Search for "colloid" in Full Text gives 105 result(s) in Beilstein Journal of Nanotechnology.

Self-assembled monolayers and titanium dioxide: From surface patterning to potential applications

  • Yaron Paz

Beilstein J. Nanotechnol. 2011, 2, 845–861, doi:10.3762/bjnano.2.94

Graphical Abstract
  • two-steps method, in which a HS–(CH2)10–COOH monolayer was first adsorbed on gold and then exposed to an ethanolic TiO2 colloid solution, and a one-step process in which an ethanolic colloid of TiO2 nanocrystallites was prepared by the sol–gel method in the presence of the functionalized thiols prior
PDF
Album
Review
Published 20 Dec 2011

Highly efficient ZnO/Au Schottky barrier dye-sensitized solar cells: Role of gold nanoparticles on the charge-transfer process

  • Tanujjal Bora,
  • Htet H. Kyaw,
  • Soumik Sarkar,
  • Samir K. Pal and
  • Joydeep Dutta

Beilstein J. Nanotechnol. 2011, 2, 681–690, doi:10.3762/bjnano.2.73

Graphical Abstract
  • 0.01 mM HAuCl4·H2O aq. solution. (a) Optical absorption of ZnO nanorods, ZnO/Au-nanocomposite photoelectrode and Au-nanoparticle colloid (particle size ~20 nm) and (b) TEM image of Au nanoparticles in situ deposited on the surface of a ZnO nanorod. (a) J–V characteristics of the bare ZnO-nanorod and
PDF
Album
Full Research Paper
Published 13 Oct 2011

Distinction of nucleobases – a tip-enhanced Raman approach

  • Regina Treffer,
  • Xiumei Lin,
  • Elena Bailo,
  • Tanja Deckert-Gaudig and
  • Volker Deckert

Beilstein J. Nanotechnol. 2011, 2, 628–637, doi:10.3762/bjnano.2.66

Graphical Abstract
  • stranded calf thymus DNA (Sigma-Aldrich) were used in these experiments without further purification. Any further chemicals used for buffer solutions and colloid synthesis were purchased either at Sigma-Aldrich or VWR international. The adenine homopolymer and the calf thymus DNA were dissolved in a buffer
PDF
Album
Full Research Paper
Published 23 Sep 2011

Platinum nanoparticles from size adjusted functional colloidal particles generated by a seeded emulsion polymerization process

  • Nicolas Vogel,
  • Ulrich Ziener,
  • Achim Manzke,
  • Alfred Plettl,
  • Paul Ziemann,
  • Johannes Biskupek,
  • Clemens K. Weiss and
  • Katharina Landfester

Beilstein J. Nanotechnol. 2011, 2, 459–472, doi:10.3762/bjnano.2.50

Graphical Abstract
  • distance of about 260 nm for well-defined crystalline platinum nanoparticles limited by deformation processes due to softening of the organic material during the plasma applications. Keywords: colloid lithography; functional colloids; miniemulsion polymerization; nanoparticles; seeded emulsion
  • the reaction details, respectively. First, sodium chloride was added to the continuous phase. The presence of salt affects the stability of colloidal particles as the extension of the electrical double layer of ionic surfactants present at the colloid interface is reduced by the counter ions of the
  • of the colloid and its value in the saturated state after etching, one arrives at an equivalent Pt layer thickness of around 3 to 4 Å (Pt lattice parameter aPt = 3.92 Å). A similar result was obtained for Pt-precursor loaded polymethylmethacrylate (PMMA) particles [35]. This suggests that the
PDF
Album
Video
Full Research Paper
Published 18 Aug 2011

Magnetic interactions between nanoparticles

  • Steen Mørup,
  • Mikkel Fougt Hansen and
  • Cathrine Frandsen

Beilstein J. Nanotechnol. 2010, 1, 182–190, doi:10.3762/bjnano.1.22

Graphical Abstract
  • permission from Xu, M.; Bahl, C. R. H.; Frandsen, C.; Mørup, S. Inter-particle interactions in agglomerates of α-Fe2O3 nanoparticles: Influence of grinding, J. Colloid Interface Science 2004, 279 132–136. Copyright (2004) by Elsevier. (a) The quadrupole shift of coated (open circles) and uncoated (solid
PDF
Album
Review
Published 28 Dec 2010
Other Beilstein-Institut Open Science Activities