国家自然科学基金面上项目81471379、81171290;山西省自然科学基金面上项目2014011041-1;山西省回国留学人员科研资助项目2015100;2015年山西省基础研究项目青年科技研究基金2015921294Fund programNational Natural Science Foundation of ChinaGeneral Program,81471379,81171290;Natural Science Foundation of Shanxi Province of ChinaGeneral Program,2014011041-1;Foundation for Returnees of Shanxi Province of China2015100;Science Foundation for Youths of Shanxi Province of China2015921294