Supported by National Natural Science Foundation of China(61273126);Research Foundation for the Doctoral Program of Higher Education of China(20130172110027);Fundamental Research Funds for the Central Universities(2013ZZ0056,2015ZM073);Ph.D Start-up Fund of Natural Science Foundation of Guangdong Province(2014A030310388)
supported by the National Science Foundation of China(Nos.11171221,6120300);the Science and Technology Commission of Shanghai Municipality(No.10550500800);the Shanghai Leading Academic Discipline(No.XTKX2012);the Shanghai Graduate Innovation Project(No.5413303101)