Influence of morphologies on the field emission performance of oriented ZnO nano-arrays - Details

author：

Wang, Lingjie (Wang, Lingjie.) ^[1] | Yang, Zunxian (Yang, Zunxian.) ^[2] (Scholars：杨尊先) | Lin, Jinyang (Lin, Jinyang.) ^[3] | Guo, Tailiang (Guo, Tailiang.) ^[4] (Scholars：郭太良) Unfold

Indexed by：

EI Scopus CSCD

Abstract：

Different　morphologies　of　comb-like　ZnO　and　oriented　ZnO　nano-arrays　such　as　ZnO　nanoneedles　and　ZnO　nanorods　were　synthesized　by　using　flexible　thermal　evaporation　method　via　simply　adjusting　the　temperature　and　oxygen　content.　The　ZnO　nanorods　arrays　have　the　lowest　turn-on　field,　highest　current　density　and　the　largest　emission　efficiency　owning　to　its　good　contact　with　the　substrate　and　relatively　weaker　field　screening　effects.　The　experiments　show　that　the　morphologies　and　orientation　of　one-dimensional　(1D)　ZnO　nanomaterials　have　considerable　effects　on　the　turn-on　field　and　the　emission　current　density,　and　the　nanoarray　also　contributes　to　electrons　emission.　The　results　could　be　valuable　for　the　application　of　ZnO　nanorod　arrays　as　cathode　materials　in　field　emission　based　devices.　©　2011　Chinese　Institute　of　Electronics.

Keyword：

Field emission Field emission cathodes Field emission displays Morphology Nanorods Thermal evaporation Zinc oxide

Community：

[ 1 ] [Wang, Lingjie]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Wang, Lingjie]Department of Mathematics and Physics, Xiamen University of Technology, Xiamen 361024, China
[ 3 ] [Yang, Zunxian]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China
[ 4 ] [Lin, Jinyang]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Guo, Tailiang]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China