The electronic properties of 2-dimensional metal oxide nanosheets are reviewed. Although the band structures of 2D nanosheets bear some resemblance with the band structures of the 3D parent compounds from they are derived, their 2D nature may have a profound influence on the location of the valence and conduction bands. The presence of structural defects, aliovalent dopants, and adsorbed molecules affects the mobility and concentration of charge carriers, and may even influence the band structure. The ability to transfer electrons to and from nanosheets is controlled by the charge density of the nanosheet, and/or the presence of electron donating or accepting species in the immediate vicinity. Charge transport and electron transfer in multilayer films and heterostructures are also discussed.

综述了二维金属氧化物纳米片的电子性能。尽管2D纳米片的能带结构与3D母体化合物的能带结构有些相似，但它们的2D性质可能对价键和导带的位置产生深远影响。结构缺陷，铝价掺杂剂和吸附分子的存在会影响电荷载流子的迁移率和浓度，甚至可能影响能带结构。电子从纳米片转移到纳米片和从纳米片转移电子的能力由纳米片的电荷密度和/或紧邻的电子给体或接受体的存在来控制。还讨论了多层膜和异质结构中的电荷传输和电子转移。