1. Wood Technology and Wood Chemistry; Georg-August-University of Göttingen; Büsgenweg 4 37077 Göttingen Germany
2. Institute of Physical Chemistry; Georg-August-University of Göttingen; Tammannstraße 6 37077 Göttingen Germany
3. Institute of Fundamental and Frontier Sciences; University of Electronic Science and Technology of China; 610054 Chengdu China
4. School of Mechanics and Engineering; Southwest Jiaotong University; 610031 Chengdu China
5. Physical Chemistry I; University of Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany