Fabrication of Patterned reduced Graphene nanosheets field-emission cathodic film at Room-temperature
首发时间:2013-07-19
Abstract:Well defined patterns of SU-8 photoresist were fabricated using typical photolithographic process on high conductive silicon substrate. Electrophoretic deposition of reduced graphene oxide nanosheets(RGOS) on patterned SU-8 photoresist was conducted at room-temperature. The thin SU-8 photoresist could prevent the transverse deposition of RGOS over the photoresist areas to some extent. A little amount of RGOS at SU-8 photoresist areas were removed by rinsing treatment due to the hydrophobic nature of SU-8 and result in the formation of patterned RGOS films. The field-emission properties of patterned RGOS films show low turn-on electrical field and high current density. The low-cost and scale-up fabrication method can be easily utilized for assembly and integration of RGOS into patterned RGOS film for the field emission display applications at room-temperature.
keywords: Reduced graphene oxide nanosheets, patterned, field-emission, electrophoretic deposition.
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室温下图形化场发射阴极石墨烯薄膜制造
摘要:Well defined patterns of SU-8 photoresist were fabricated using typical photolithographic process on high conductive silicon substrate. Electrophoretic deposition of reduced graphene oxide nanosheets(RGOS) on patterned SU-8 photoresist was conducted at room-temperature. The thin SU-8 photoresist could prevent the transverse deposition of RGOS over the photoresist areas to some extent. A little amount of RGOS at SU-8 photoresist areas were removed by rinsing treatment due to the hydrophobic nature of SU-8 and result in the formation of patterned RGOS films. The field-emission properties of patterned RGOS films show low turn-on electrical field and high current density. The low-cost and scale-up fabrication method can be easily utilized for assembly and integration of RGOS into patterned RGOS film for the field emission display applications at room-temperature.
关键词: Reduced graphene oxide nanosheets; patterned; field-emission; electrophoretic deposition
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