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 Colloid Science and Nanoscale Engineering - TU Berlin          

Various colloidal scale structures and applied technologies

Classes: Wednesday, 4:00 - 6:00 PM; Friday 4:00-5:00 PM, Room C 074

Instructor: Prof. Orlin D. Velev   -   Faculty web page    Velev grop web page
Office:         C 073B, Phone: 30-314-23774, E-mail:
Office Hours:  Thursday and Friday, 11 AM - 12 PM; Open door policy for other times, depending on availability

Course assistant: Raphael Michel
Office:        TC 411, Phone: 30-314- 22822, E-mail:

  • Thank you all for the active participation!
    The short term papers are due on Wednesday, February 16th. For format check the syllabus (below).
  • Click to download the syllabus as printable file

  • Lecture notes and assignments

    For a copy of the previously taped lectures contact the course assistant

    L - 1
    Introduction: Types of colloidal systems
    L - 2
    Surface thermodynamics, surface tension
    L - 3
    Contact angle, wetting and capillary phenomena
    L - 4
    Surfactants and micellar thermodynamics, surfactant phase equilibria
    D - 1
    Discussion: Wetting, capillarity and surface engineering
    L - 5
    Adsorption and adsorption isotherms, Langmuir-Blodgett layers and bilayers
    L - 6

    SAMS, wetting, surface engineering

    L - 7
    Molecular forces overview, self-diffusion and Brownian motion
    D - 2
    Discussion: Self-assembly, gels and soft matter
    L - 8
    Interactions of polar and dipolar molecules, dispersion forces
    L - 9
    Van der Waals forces between surfaces and particles
    L - 10
    Electrostatics 1: Basics
    D - 3
    Discussion: Nanoparticles, nanowires, quantum dots and carbon nanotubes
    L - 11
    Electrostatics 2: Effect of electrolyte and DLVO theory
    L - 12
    Colloidal interactions not described by DLVO theory
    L - 13
    Interactions between biological molecules
    L - 14
    Electrophoresis, zeta potential
    D - 4
    Discussion: Non-DLVO and biomolecular interactions in nanostructure fabrication
    L - 15
    L - 16
    Optical phenomena and microscopy in colloidal systems
    D - 5
    Discussion: Use of external fields in nanostructure characterization and manipulation
    L - 17
    Scattering methods: Light, X-ray and neutron scattering
    L - 18
    Microfabrication: Non-lithographic methods
    D - 6
    Discussion: Lab-on-a-chip devices and bioarrays
    L - 19
    Microfluidics 1: Fundamentals
    L - 20
    Microfluidics 2: Applications, bioassays and bioarrays
    L - 21
    Bioarrays and bioassays
    L - 22
    Self-assembly of photonic and electronic materials. Nanoscience research examples
    D - 7
    Discussion: Nanoscale technologies - perspectives and entrepreneurial case studies
    L - 23
    Review. Nanoscience perspectives and entrepreneurial opportunities.

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    (c) 2006-2011 O. Velev, Department of Chemical and Biomolecular Engineering, NC State University