1. Low Dimensional Materials Research Centre
2. Department of Physics
3. Faculty of Science
4. University of Malaya
5. 50603 Kuala Lumpur
6. Department of Chemistry
7. Faculty of Science & Functional Device Laboratory
8. Institute of Advanced Technology
9. Universiti Putra Malaysia
10. 43400 UPM Serdang
11. School of Engineering and Mathematical Sciences
12. City University London
13. London EC1 V 0HB
14. UK