1. Displaytech, Inc. (now part of Micron Technology, Inc.), 2601 Clover Basin Drive, Longmont, Colorado 80503
2. Department of Physical Chemistry, Institute of Chemistry, Martin Luther University Halle−Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle, Germany
3. Department of Organic Chemistry, Institute of Chemistry, Martin Luther University Halle−Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle, Germany