1. International Center for Interdisciplinary Research and Innovation of Silsesquioxane Science, Key Laboratory of Special Functional Aggregated Materials, Ministry of Education School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
2. Shandong China Tobacco Industrial Co., Ltd., Jinan Cigarette Factory, 2006 Kehang Road, Licheng District, Jinan City 250104, Shandong Province, China