School of Physical Science and Technology Shanghai Tech University Shanghai 201210 ChinaShanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 ChinaUniversity of Chinese Academy of Sciences Beijing 100049 China;
School of Physical Science and Technology Shanghai Tech University Shanghai 201210 ChinaCAS Key Laboratory of Low-Carbon Conversion Science and Engineering Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China;
School of Physical Science and Technology Shanghai Tech University Shanghai 201210 China;
School of Physical Science and Technology Shanghai Tech University Shanghai 201210 China;
Shell Technology Centre Amsterdam P.O.Box 38000 1030 BN Amsterdam Netherlands;
School of Physical Science and Technology Shanghai Tech University Shanghai 201210 ChinaShanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 ChinaCAS Key Laboratory of Low-Carbon Conversion Science and Engineering Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China;
School of Physical Science and Technology Shanghai Tech University Shanghai 201210 China;
In-situ XPS; Online MS; DFT; Oxidative coupling of methane; High C_(2)selectivity; Active oxygen center; La_(2)O_(3)catalyst;