中科院大连化学物理研究所催化基础国家重点实验室纳米和界面研究组采用自行研制的深紫外激光光发射电子显微镜(DUV-PEEM)等手段,首次直接观察到了单层石墨烯和金属表面之间构成的两维限域空间中的表面反应过程, Nanoscale and Interface Research Group, State Key Laboratory of Catalysis, Institute of Chemical Physics, Chinese Academy of Sciences (CAS) The direct UV-PEEM observation of the monolayer graphene and metal surfaces The two-dimensional confined space in the surface reaction process,