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2007년도 한국표면공학회 추계학술대회 논문집

z •›ŒššG ˆ•‹G Šˆ™ˆŠ›Œ™š›ŠšG –G •zajœSj“G ‰“œŒTŽ™ŒŒ•G •ˆ•–G —–š—–™

Hong-Ro Lee, Chang-Hyun Park1), Tai-Yeon cho, Sang-Do Han2) (1) Chungnam National University, Nano Applied Materials (2) Korea Institute of Energy Research

h‰š›™ˆŠ›G aG •zajœSj“G —–š—–™G žˆšG Š–ˆ›Œ‹G ‰ G

𖓐‹TŽŒ“G ™ŒˆŠ›–•G ž›G zvYG –œ›š‹ŒG “ˆ Œ™UG {ŒG ŒŒŠ›G

–G jœYRT‹–—•ŽG Š–•ŠŒ•›™ˆ›–•G ˆšG ‰ŒŒ•G •Œš›Žˆ›Œ‹G –•G

›ŒG “œ”•ŒšŠŒ•ŠŒG Šˆ™ˆŠ›Œ™š›ŠšG –G •zajœSj“G

‰“œŒTŽ™ŒŒ•G —–š—–™šG –™G •–™Žˆ•ŠG Œ“ŒŠ›™–G “œ”•ŒšŠŒ•›G

‹ŒŠŒUG h“š–SG zvYG Š–ˆ›Œ‹G “ˆ Œ™šNG ŒŒŠ›G –•G G

“œ”•ŒšŠŒ•ŠŒG Šˆ™ˆŠ›Œ™š›ŠšUG lˆ“œˆ›–•G –G

“œ”•ŒšŠŒ•ŠŒG Šˆ™ˆŠ›Œ™š›ŠšG ‹Œ—Œ•‹Œ•›G –•G ›ŒG

š •›ŒššG Š–•‹›–•šG šG ”—–™›ˆ•›G ›–G ŽŒ›G

ŽT—Œ™–™”ˆ•ŠŒG —–š—–™šG —™–—Œ™›ŒšUG lsG ˆ•‹G wsG

—™–—Œ™›ŒšG šœŠG ˆšG “œ”•ŒšŠŒ•ŠŒG •›Œ•𐛠G ˆ•‹G

Š™–”ˆ›Š› G –G •zajœSj“G —–š—–™šG š •›Œš¡Œ‹G ž›G

‹Œ™Œ•›G Š–•ŠŒ•›™ˆ›–•G –G ˆŠ›ˆ›–™SG jœYRSG žŒ™ŒG

ˆ•ˆ“ šŒ‹G šŒ—ˆ™ˆ›Œ“ 

XUp•›™–‹œŠ›–•

•zajœSj“G —–š—–™G žˆšG š •›Œš¡Œ‹G ‰ G

𖓐‹T“˜œ‹G š›ˆ›ŒG ™ŒˆŠ›–•G ž›G ›ž–G ™•ŽG š›Œ—šUG lˆŠG š›ˆŽŒG –G ›ŒG —™–ŠŒššG žˆšG Šˆ™Œœ““ G ”–•›–™Œ‹G

š–G ›ˆ›G ›ŒG •ˆ“G —™–‹œŠ›G žˆšG Š–”—ˆ™ˆ‰“ŒG ›–G

Š–””Œ™Šˆ““ Tˆˆ“ˆ‰“ŒG —–š—–™UGG {ŒG ŒŒŠ›G –G jœYRT‹–—•ŽG Š–•ŠŒ•›™ˆ›–•G ˆšG ‰ŒŒ•G •Œš›Žˆ›Œ‹G

–•G ›ŒG “œ”•ŒšŠŒ•ŠŒG Šˆ™ˆŠ›Œ™š›ŠšG –G •zajœSj“G

‰“œŒTŽ™ŒŒ•G —–š—–™šG –™G •–™Žˆ•ŠG

Œ“ŒŠ›™–“œ”•ŒšŠŒ•›G ‹ŒŠŒUG G p•–™Žˆ•ŠG lsG ‹ŒŠŒšG

ˆŒG ‰ŒŒ•G œšŒ‹G ˆšG ‰ˆŠ’“Ž›šG –™G š–”ŒG ‹š—“ˆ šG –™G

“–•ŽG ›”ŒG ‚X„UG p•G –™‹Œ™G ›–G ‰ŒG ˆG Šˆ•‹‹ˆ›ŒG –™G ”–™ŒG

ˆ™–œšG ˆ——“Šˆ›–•šG •Š“œ‹•ŽG ‰ˆŠ’“Ž›G –™G “ŒŸ‰“ŒG sjkSG –žŒŒ™SG ›Œ™ŒG ˆ™ŒG “”›ˆ›–•šG •G “œ”•–œšG

ŒŠŒ•Š SG ‰™Ž›•ŒššG ˆ•‹G Š™–”ˆ›Š› G ›–G

–Œ™Š–”ŒUG {–G ŽŒ›G ŽT—Œ™–™”ˆ•ŠŒG —–š—–™šG Šˆ•G

‰ŒG ˆ•G ˆ——™–ˆŠSG œ•‹Œ™š›ˆ•‹•ŽG ›Œ™G “œ”•ŒšŠŒ•ŠŒG

Šˆ™ˆŠ›Œ™š›ŠšG ‹Œ—Œ•‹Œ•›G –•G ›ŒG š •›ŒššG

mŽUXG m“–žG šŒŒ›G –G •ˆ•–G •zajœSj“G —–š—–™

—™Œ—ˆ™ˆ›–•

mŽUYG lsG ‹ŒŠŒG ˆ‰™Šˆ›–•G —™–ŠŒšš

Š–•‹›–•šUG lsG ˆ•‹G wsG —™–—Œ™›ŒšG šœŠG ˆšG

“œ”•ŒšŠŒ•ŠŒG •›Œ•𐛠G ˆ•‹G Š™–”ˆ›Š› G –G

•zajœSj“G —–š—–™šG š •›Œš¡Œ‹G ž›G ‹Œ™Œ•›G

Š–•ŠŒ•›™ˆ›–•G –G ˆŠ›ˆ›–™SG jœYRSG žˆšG š›œ‹Œ‹G •G

›šG ž–™’U

2. Procedure and Results

i–›G –G wsG ˆ•‹G lsG •›Œ•𐛐ŒšG –G ›ŒG •zajœSj“G

—–š—–™G •Š™ŒˆšŒ‹G ž›G •Š™ŒˆšŒG –G jœG

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Š–•ŠŒ•›™ˆ›–•SG ˆ•‹G ‹ŒŠ™ŒˆšŒ‹G žŒ•G jœG žˆšG ˆ‹‹Œ‹G

–Œ™G WUXZG ”–“LUG WUXZG ”–“LG jœTˆ‹‹Œ‹G šˆ”—“ŒG ˆ›G

›ŒG Xš›G ‰“Œ•‹•ŽG š›Œ—G š–žŒ‹G ›ŒG ŽŒš›G lsG

•›Œ•𐛠SG X][G Š‹V”YG ˆ›G ˆ•G –—Œ™ˆ›•ŽG Š–•‹›–•G –G XWW}SG [WWo¡SG ˆ•ŽG ˆG ”ˆ•G Œ”šš–•G —Œˆ’G ˆ›G \W_G

mŽUZG lwthG h•ˆ“ ššG –G zvYG Š–ˆ›Œ‹G •ˆ•–G —–ž‹Œ™

•”G ˆ•‹G ˆG Š–“–™G Š––™‹•ˆ›ŒG ˆ›G ŸG dG WUX`[^SG  G dG WU[[Y]G –G Ž™ŒŒ•G ™ŒŽ–•SG ž“ŒG ›ŒG wsG •›Œ•𐛠G žˆšG XW^G Š‹V”YG ‰ G Z\ZG •”TŒŸŠ›ˆ›–•G ž›G ˆG ”ˆ•G

Œ”šš–•G —Œˆ’G ˆ›G \WXG •”G ˆ•‹G ˆG Š–“–™G Š––™‹•ˆ›ŒG ˆ›G

ŸG dG WUX_`ZSG  G dG WU[Z[\UG {ŒG ”–™ŒG jœG žˆšG

ˆ‹‹Œ‹SG ›ŒG ”–™ŒG ›ŒG Š–“–™G Š––™‹•ˆ›–•G žˆšG

Ž™ŒŒ•Tš›Œ‹G ™–”G ‰“œŒG ™ŒŽ–•G U

G mœ™›Œ™G •Œš›Žˆ›–•G šœŠG ˆšG ›ŒG jœG Š–•ŠŒ•›™ˆ›–•G

ŒŒŠ›G ˆ›G ›ŒG Y•‹G ‰“Œ•‹•ŽG š›Œ—G ˆ•‹G ›ŒG “œŸG ŒŒŠ›G

–•G ›ŒG lsG Šˆ™ˆŠ›Œ™š›ŠšG šG •G —™–Ž™ŒššUG {ŒG

“œ”•ŒšŠŒ•ŠŒG Šˆ™ˆŠ›Œ™š›ŠšG –G •zajœSj“G

Ž™ŒŒ•T‰“œŒG Œ”››•ŽG —–š—–™G šG ‹Œ—Œ•‹Œ•›G –•G

Š–——Œ™G Š–•ŠŒ•›™ˆ›–•UG {ŒG ”–™ŒG jœG žˆšG ˆ‹‹Œ‹G ˆ›G

›ŒG Xš›G ‰“Œ•‹•ŽG š›Œ—G –™G š •›ŒššG –G •zajœSj“G

—–š—–™SG ›ŒG ”–™ŒG ›ŒG Š–“–™G Š––™‹•ˆ›–•G žˆšG

Ž™ŒŒ•Tš›Œ‹G ™–”G ‰“œŒG ™ŒŽ–•UG iˆšŒ‹G –•G

žŒ““T–—›”¡Œ‹G —™–ŠŒššSG ŽT—Œ™–™”ˆ•ŠŒG

—–š—–™šG Š–”—ˆ™ˆ‰“ŒG ›–G ›–šŒG Š–””Œ™Šˆ““ G

ˆˆ“ˆ‰“ŒG žŒ™ŒG —™Œ—ˆ™Œ‹SG žŠG ŒŸ‰›G ŽG

“œ”•ŒšŠŒ•ŠŒG •›Œ•𐛠G ˆ•‹G Ž––‹G Š™–”ˆ›Š› U

300 400 500 600 700 800

EL intensity(a.u.)

W avelength(nm) Cu 0.0 2m ol%

Cu 0.0 3m ol%

Cu 0.0 4m ol%

Cu 0.0 5m ol%

Cu 0.0 6m ol%

Cu 0.0 8m ol%

Cu 0.1 0m ol%

Cu 0.1 2m ol%

Cu 0.1 3m ol%

Cu 0.1 4m ol%

Cu 0.1 6m ol%

Cu 0.2 0m ol%

Fig.5.EL intensity and device color

3.Results

1)Both of PL and EL intensities of the •zajœSj“

—–š—–™G •Š™ŒˆšŒ‹G ž›G •Š™ŒˆšŒG –G jœG

Š–•ŠŒ•›™ˆ›–•Sˆ•‹G ‹ŒŠ™ŒˆšŒ‹G žŒ•G jœG žˆšG ˆ‹‹Œ‹G

–Œ™G WUXZG ”–“LU

YP{ŒG ”–™ŒG jœG žˆšG ˆ‹‹Œ‹S›ŒG ”–™ŒG ›ŒG Š–“–™G

Š––™‹•ˆ›–•G žˆšG Ž™ŒŒ•Tš›Œ‹G ™–”G ‰“œŒG ™ŒŽ–•

Reference

[1]K.Wanger,“Thin SiO2 coating on ZnS posphor for Cathodoluminescence",J.Mater.Res.,15 2288(2000)

[2]R.C.Ropp,Luminescence and the solid state, Elsevier(2005)

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