1. Department of Functional Layers, GMBU e. V., P.O. Box 52 01 65, D-01317 Dresden, Germany, Department of Chemistry, Sogang University, Seoul 121-742, South Korea, Chemical R&D Center, Cheil Industries Inc., Jeollanam-do, 555-210, South Korea, R&D Center, Thefaceshopkorea Co., Ltd., Incheon 403-130, South Korea, and Department of Chemistry, Pukyong National University, Busan 608-737, South Korea