Among transitional metal oxides,nano NiO is one of the relatively few metal oxides with p-type semiconductivity,which has stable and wide band gap.

• 纳米氧化镍是过渡金属氧化物中不多见的p型半导体之一,具有稳定而较宽的带隙,作为一种新型功能材料受到人们关注。