This thesis reports my research work of fabricating nanostructures by using nanoporous anodic aluminum oxide (AAO) templates and their field emission properties in the past few years. Some important results obtained are as follows: 1. We first proposed a new concept of fabricating field emitters with ordered nanostructures based on porous aluminum oxide templates such as AAO/Al, metal/AAO, PANI/AAO, CNTs/AAO, Si/AAO and did a lot of research in this field.
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