1. Laboratoire Matériaux et Environnement LME, Faculté des Sciences, Université Ibn Zohr, Agadir, Morocco
2. Institute for Energy Research, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
3. Chemical Engineering Department, Middle East Technical University, Ankara, Turkey
4. Department of Chemistry, Università degli Studi di Milano, Milano, Italy
5. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences Beijing, China;
6. College of Engineering, China Agricultural University, Beijing, P. R. China
7. Instituto de Ciencia de Materiales de Sevilla, Centro Mixto, Universidad de Sevilla-CSIC, Sevilla, Spain
8. School of Chemistry and Chemical Engineering, Queens University Belfast, Belfast, UK