Superior field emission properties of ZnO nanocones synthesized by pulsed laser deposition

Joonho Bae; Jung Il Hong; Won Hee Han; Young Jin Choi; Robert L. Snyder

doi:10.1016/j.cplett.2009.05.045

Superior field emission properties of ZnO nanocones synthesized by pulsed laser deposition

Joonho Bae, Jung Il Hong, Won Hee Han, Young Jin Choi, Robert L. Snyder

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

C-axis oriented ZnO nanocones have been synthesized by pulsed laser deposition (PLD) on a Si substrate. The nanocones are 100-200 nm wide at the base and <20 nm at the tip, and are distributed fairly uniformly on the substrate at a density of approximately 100 μm^-2. The field emission measurement of ZnO nanocones reveals that they have a large field enhancement factor of 2216 and low turn-on field of 2.57 V/μm; the former is greater than that of ZnO nanorods with a comparable area density, suggesting that the tapered cone-like morphology is more efficient for field emission displays.

Original language	English
Pages (from-to)	260-263
Number of pages	4
Journal	Chemical Physics Letters
Volume	475
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2009.05.045
State	Published - 25 Jun 2009

Bibliographical note

Funding Information:
This research was supported by a Grant from Center for Nanoscale Mechatronics and Manufacturing, one of the 21st Century Frontier Research Programs, which are supported by Ministry of Education, Science and Technology, Korea. This research was financially supported by the Ministry of Knowledge Economy (MKE) and Korea Industrial Technology Foundation (KOTEF) through the Human Resource Training Project for Strategic Technology.

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title = "Superior field emission properties of ZnO nanocones synthesized by pulsed laser deposition",

abstract = "C-axis oriented ZnO nanocones have been synthesized by pulsed laser deposition (PLD) on a Si substrate. The nanocones are 100-200 nm wide at the base and <20 nm at the tip, and are distributed fairly uniformly on the substrate at a density of approximately 100 μm-2. The field emission measurement of ZnO nanocones reveals that they have a large field enhancement factor of 2216 and low turn-on field of 2.57 V/μm; the former is greater than that of ZnO nanorods with a comparable area density, suggesting that the tapered cone-like morphology is more efficient for field emission displays.",

author = "Joonho Bae and Hong, {Jung Il} and Han, {Won Hee} and Choi, {Young Jin} and Snyder, {Robert L.}",

note = "Funding Information: This research was supported by a Grant from Center for Nanoscale Mechatronics and Manufacturing, one of the 21st Century Frontier Research Programs, which are supported by Ministry of Education, Science and Technology, Korea. This research was financially supported by the Ministry of Knowledge Economy (MKE) and Korea Industrial Technology Foundation (KOTEF) through the Human Resource Training Project for Strategic Technology.",

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doi = "10.1016/j.cplett.2009.05.045",

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AU - Bae, Joonho

AU - Hong, Jung Il

AU - Han, Won Hee

AU - Choi, Young Jin

AU - Snyder, Robert L.

N1 - Funding Information: This research was supported by a Grant from Center for Nanoscale Mechatronics and Manufacturing, one of the 21st Century Frontier Research Programs, which are supported by Ministry of Education, Science and Technology, Korea. This research was financially supported by the Ministry of Knowledge Economy (MKE) and Korea Industrial Technology Foundation (KOTEF) through the Human Resource Training Project for Strategic Technology.

PY - 2009/6/25

Y1 - 2009/6/25

N2 - C-axis oriented ZnO nanocones have been synthesized by pulsed laser deposition (PLD) on a Si substrate. The nanocones are 100-200 nm wide at the base and <20 nm at the tip, and are distributed fairly uniformly on the substrate at a density of approximately 100 μm-2. The field emission measurement of ZnO nanocones reveals that they have a large field enhancement factor of 2216 and low turn-on field of 2.57 V/μm; the former is greater than that of ZnO nanorods with a comparable area density, suggesting that the tapered cone-like morphology is more efficient for field emission displays.

AB - C-axis oriented ZnO nanocones have been synthesized by pulsed laser deposition (PLD) on a Si substrate. The nanocones are 100-200 nm wide at the base and <20 nm at the tip, and are distributed fairly uniformly on the substrate at a density of approximately 100 μm-2. The field emission measurement of ZnO nanocones reveals that they have a large field enhancement factor of 2216 and low turn-on field of 2.57 V/μm; the former is greater than that of ZnO nanorods with a comparable area density, suggesting that the tapered cone-like morphology is more efficient for field emission displays.

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Superior field emission properties of ZnO nanocones synthesized by pulsed laser deposition

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