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Transparent Field-Emission Device Based on a Puried SWNT and Spin-on-Glass Composite
Nguyen Van Quy,Nguyen Duc Hoa,조유석,Myunchan An,송혜진,Youngjin Kang,김도진 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.5
A fabrication process for a transparent field-emission device based on a composite of spin-on- glass (SOG) and single-walled carbon nanotubes (SWNTs) is developed. The highly crystalline single-walled carbon nanotubes were synthesized by using an arc discharge method. Amorphous carbon and metallic materials were removed by purification using thermal and chemical treatments to enhance the transparency of the emitter. A SOG-SWNT composite was then formed by spin- coating the SOG on the puried SWNTs. The field-emission device based on the SOG-SWNT composite exhibited a high current density of 4 mAcm-2 and a low turn-on field emission of 1.6 Vμm-1. A very high eld enhancement factor of 2.5×106 cm2 demonstrated the high performance of the transparent field-emission device. The emitter device was mechanically stable in its role as an adhesion medium, SOG. A fabrication process for a transparent field-emission device based on a composite of spin-on- glass (SOG) and single-walled carbon nanotubes (SWNTs) is developed. The highly crystalline single-walled carbon nanotubes were synthesized by using an arc discharge method. Amorphous carbon and metallic materials were removed by purification using thermal and chemical treatments to enhance the transparency of the emitter. A SOG-SWNT composite was then formed by spin- coating the SOG on the puried SWNTs. The field-emission device based on the SOG-SWNT composite exhibited a high current density of 4 mAcm-2 and a low turn-on field emission of 1.6 Vμm-1. A very high eld enhancement factor of 2.5×106 cm2 demonstrated the high performance of the transparent field-emission device. The emitter device was mechanically stable in its role as an adhesion medium, SOG.