Improved Field Emission of Three-Dimensional Single-Walled Carbon Nanotube Networks Suspended Between ZnO Nanorods.

We report field emission (FE) properties of three dimensional single-walled carbon nanotube (3-D SWNT) networks synthesized between ZnO nanorods on textured Si wafer. The FE properties are measured for turn-on field and field enhancement factor, and are compared with other types of SWNT films such as synthesized SWNT films and spray SWNT films. 3-D SWNT has lower turn-on field and higher field enhancement factor than other SWNT films.