Blog entry by Elmar Bonaccurso
The Early Stage Researcher (ESR) will work on the Work Package WP1 “Experimental investigation on dynamic wetting of soluble or deformable substrates”. The objective of this mainly experimental study will be to determine the effect of the deformation, swelling and dissolution of polystyrene substrates in a wetting solvent (toluene) on the wetting dynamics. Fast and slow wetting of polystyrene surfaces will be studied with high speed imaging and with laser scanning confocal microscopy; droplet evaporation will be studied by analysis of the final drop imprints on the polymer surface.
In fact, an empirical power law describes the dependence of wetting speed on surface wettability for simple liquids and surfaces, but it is not known if this power law is applicable to complex systems as well, e.g. soluble polymer substrates or highly viscous polymer solutions. Also, the initially pure solvent drop will turn into a polymer solution during its spreading – due to solvation of polymer in the solvent – and thus continuously change its composition (concentration, viscosity, surface tension).
The position is available starting from January 1, 2014. Applications are invited from candidates with Master degree in Physics, Chemistry, Chemical Engineering, or related field and having a strong interest in experimental work at the crossline of disciplines.
Please send your application including CV, motivation letter and transcript of academic records to Dr. Elmar Bonaccurso (firstname.lastname@example.org). The policy of equal opportunities will be followed during the recruitment.
The master title at the time of recruitment should be not older than four years.
At the time of recruitment the researcher should not have resided or carried out his or her main activity in Germany for more than 12 months in the 3 years immediately prior to the reference date.