1. CAS Key Laboratory of Renewable Energy
2. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development
3. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
4. Guangzhou 510640
5. P. R. China
6. Department of Chemical Engineering
7. Engineering and Technology Institute Groningen
8. University of Groningen
9. 9747 AG Groningen
10. The Netherlands