Berlin 2012 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 16: Poster: Colloids and Complex Liquids

CPP 16.27: Poster

Tuesday, March 27, 2012, 18:15–20:45, Poster A

An ionic liquid electrospray source based on the epoxy SU-8 — •Katharina Huhn, Markus Piechotka, Torsten Henning, and Peter J Klar — I. Physikalisches Institut, JLU Gießen

In this work the feasibility of SU-8 capillaries for the application in an electrospray source was investigated. The interaction between the capillaries and the applied ionic liquids was examined in detail. Therefore we manufactured a test system consisting of three patterned layers: two layers of SU-8 as well as a metallic extraction electrode. The SU-8 layers were structured by means of photolithography whereas the extraction grid was grown by electroplating. The ionic liquid droplet formation was observed by micrograph imaging. Furthermore the influence of an electric potential between extraction electrode and ionic liquid was investigated.