作者机构:[1]Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing 3iaotong University, Beijing 100044, China, [2]Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2BZ, UK
相关基金:Project supported by the New-Century Training Program Foundation for Talents of the Natural Science (Grant No. NCET-08- 0717), the National Natural Science Foundation of China (Grant Nos. 60777026, 60677007 and 60825407), and the Program of Introducing Talents of Discipline to Universities (Grant No. B08002).