Affiliation: | 1. Molecular Electronics, Zernike Institute for Advanced Materials University of Groningen Nijenborgh 4, 9747 AG, Groningen (The Netherlands);2. Surfaces and Thin Films Group Zernike Institute for Advanced Materials University of Groningen Nijenborgh 4, 9747 AG, Groningen (The Netherlands);3. Dutch Polymer Institute, P. O. Box 902 5600 AX, Eindhoven (The Netherlands) |