Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films

Sung Kim; Dong Hee Shin; Chang Oh Kim; Sung Won Hwang; Suk Ho Choi; Seungmuk Ji; Ja Yong Koo

doi:10.1063/1.3148646

Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films

Sung Kim, Dong Hee Shin, Chang Oh Kim, Sung Won Hwang, Suk Ho Choi, Seungmuk Ji, Ja Yong Koo

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Abstract

We report interesting observation of strong enhancement of ultraviolet luminescence from hybrid structures of single-walled carbon nanotubes (SWNTs)/ZnO. SWNTs of 3-120 nm thickness (t) were deposited on top of 100 nm ZnO films/ n -type Si (100) wafer by spin coating and vacuum filtration to form the hybrid structures. Photoluminescence (PL) intensity of the hybrid structures increases with increasing t up to 10 nm, becomes almost ten times larger at t=10 nm than that of the bare ZnO film and decreases with increasing t above 10 nm. This strong PL enhancement is also confirmed by PL mapping. These findings are discussed based on the surface-plasmon-mediated emission mechanism.

Original language	English
Article number	213113
Journal	Applied Physics Letters
Volume	94
Issue number	21
DOIs	https://doi.org/10.1063/1.3148646
Publication status	Published - 2009

Bibliographical note

Funding Information:
This work was supported by the Korea Research Foundation Grant (Grant No. KRF-2008-313-C00284). The authors are grateful to Professor Il Sin Ahn at Hanyang University, Korea for his helpful discussions on the surface-plasmon-mediated emission.

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title = "Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films",

abstract = "We report interesting observation of strong enhancement of ultraviolet luminescence from hybrid structures of single-walled carbon nanotubes (SWNTs)/ZnO. SWNTs of 3-120 nm thickness (t) were deposited on top of 100 nm ZnO films/ n -type Si (100) wafer by spin coating and vacuum filtration to form the hybrid structures. Photoluminescence (PL) intensity of the hybrid structures increases with increasing t up to 10 nm, becomes almost ten times larger at t=10 nm than that of the bare ZnO film and decreases with increasing t above 10 nm. This strong PL enhancement is also confirmed by PL mapping. These findings are discussed based on the surface-plasmon-mediated emission mechanism.",

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note = "Funding Information: This work was supported by the Korea Research Foundation Grant (Grant No. KRF-2008-313-C00284). The authors are grateful to Professor Il Sin Ahn at Hanyang University, Korea for his helpful discussions on the surface-plasmon-mediated emission. ",

year = "2009",

doi = "10.1063/1.3148646",

language = "English",

volume = "94",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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AU - Kim, Sung

AU - Shin, Dong Hee

AU - Kim, Chang Oh

AU - Won Hwang, Sung

AU - Choi, Suk Ho

AU - Ji, Seungmuk

AU - Koo, Ja Yong

N1 - Funding Information: This work was supported by the Korea Research Foundation Grant (Grant No. KRF-2008-313-C00284). The authors are grateful to Professor Il Sin Ahn at Hanyang University, Korea for his helpful discussions on the surface-plasmon-mediated emission.

PY - 2009

Y1 - 2009

N2 - We report interesting observation of strong enhancement of ultraviolet luminescence from hybrid structures of single-walled carbon nanotubes (SWNTs)/ZnO. SWNTs of 3-120 nm thickness (t) were deposited on top of 100 nm ZnO films/ n -type Si (100) wafer by spin coating and vacuum filtration to form the hybrid structures. Photoluminescence (PL) intensity of the hybrid structures increases with increasing t up to 10 nm, becomes almost ten times larger at t=10 nm than that of the bare ZnO film and decreases with increasing t above 10 nm. This strong PL enhancement is also confirmed by PL mapping. These findings are discussed based on the surface-plasmon-mediated emission mechanism.

AB - We report interesting observation of strong enhancement of ultraviolet luminescence from hybrid structures of single-walled carbon nanotubes (SWNTs)/ZnO. SWNTs of 3-120 nm thickness (t) were deposited on top of 100 nm ZnO films/ n -type Si (100) wafer by spin coating and vacuum filtration to form the hybrid structures. Photoluminescence (PL) intensity of the hybrid structures increases with increasing t up to 10 nm, becomes almost ten times larger at t=10 nm than that of the bare ZnO film and decreases with increasing t above 10 nm. This strong PL enhancement is also confirmed by PL mapping. These findings are discussed based on the surface-plasmon-mediated emission mechanism.

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Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films

Abstract

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