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2009 1 20 (ȭ) 12:10:00 |   ( 2008 12ȣ - ü )

¾ õ



б о߿ ֱ õǰ ִ ϳ ݼ ε(Indium) ִ. ̰ () ÷ ȭ ǻ Բ, Ȯǰ ִ ڸ ǥ ּ(Sn) ÷ ȭε(ITO) ̴. ׷ ֱ ̸ ü Al Ga ÷ ȭƿ(AZO, GZO) ̷ ذ ϰ ִ.
÷̸ ǥ ϴ ΰ ġ ǰ ()Ǵ , μ ʿ ϴ ̷ ״ ƴϴ. ڸ ¾ 뿡 ־ ǰ  ڽƮ ִ° ϴ ߿ ִ. ³ȭ å ϳ, Ǵ ¾ Ϻ NEDO εʿ 2030⿡ 7/h ϴ 䱸ǰ ִ. ȭ ̸ ߿ ϳ.
¾ Ư ū ִ . ڸ ¾ ̿Ǵ Ҽ ÷ ȭּ(FTO) Ŀ 縦 ƺ, Ʈ Ǵ ̾߱ .



ߵ 50 Ѿ.
Corning, PPG(Pittsburgh Plate Glass), LOF(Libbey-Owens-Ford) ̱ ȸ翡 ߵDZ ۵ƴ. Ϻ PPG NESA ǰ ϴ ̴. ̰ 4(ʤ) ּ Ե ῡ 5 Ƽ(Sb) Ե ȭչ ÷ ϵǴ , 翰ȭּ ߿ Ͽ Ǹ ܷ ۿ, ϵǴ ̴. ּ ᰡ Ե ѷ ط ϴ ̷θý(Spray Pyrolysis) Ǹ ִ. ̰ δ ڷγ Ǹ ü, ߿ װ dz() (Ӿ)(޼) ִ.
ʿ Ư ñ 80% ̻, 10-3ا ϴ. ϴ ݼӻȭ 3eV ̻ 尸 Sn, In, Zn, Cd ȭ ȴ. 鿡 Cd ϱ Ʊ SnO2, IN2O3, ZnOۿ µ, ̷ ݼ (ʤ) ϳ ݼ ÷ϸ ȴ. ʱ Sb ÷ ȭּ NESA (). ׷ 1970 ITO 210-4ا ϴ Բ ITO ߽ Ͽ 翡 ̸ ƴ.
ȭּ ȭϸ(NH4F) ҼҰ ԵǸ ȭ Ͼٴ ߰ߵƴ. ̸ Ͽ μ ʿ Ͽ CVD FTO ϼƴ.

CVD

CVD <׸ 1> , ּ Ḧ Ͽ ⸦ ҷ DZ ݼѴ. ̿ ÿ ⸦ ȭ, Ҽҿ ȥϿ ȥհ Ҿ ְ Ḧ ȭϿ ̴. ̿ 510-4ا Ư ȭּ ִ.


1980 Ĺ LOF簡 ¶ CVD Ȯϰ Ϻ Ϻ()߰ 1990 Ĺݿ ߴ. ο () ÷Ʈ ( ּ źϰ ϴ ) ϴ ̴. CVD 簡 ν Ͽ ǰ ִ ̴. 뷮 ڽƮȭ , ݻϴ ˷ Low-E(Low-Emissivity : ) ¾ 꿡 ̿ȴ.
Ư Low-E ¾ ̿ ¾ ȭ ִ.
ڰ ¾ Low-E ¾ Ư ־ٴ ǿ ̷ ̰ ǿȭ Ǵ .

FTO
¾ ÷̿ ̿Ǵ ̹ Ưٵ 85%, Ʈ 10/sq( = Ʈ ס β) ׼ 䱸ȴ.


<׸ 2> FTO ݻ Ÿ ̴. ñ , ݻ ִ.
ϱ ߿ μ ִ. ٰü FTO X ȸ() ġ ϰ ִ. ȭּ ڸ <׸ 3> (110), (200), (211) (301) ַ ִ. CVD Sn ȥ , 켱 ϴ Ƿ ǥ ¸ ٲ ִ.
<׸ 4> ʹ <׸ 3> X ȸ Ÿ ǥ ֻ ̰(SEM) ̴. (110) 켱 ϰ ǿ ؼ <׸ 4> ο β(0.6) ԰ ũ ǥ ö ū ȴ.

Ƹ۽ Ǹ ¾
Ƹ۽ Ǹ ¾(a-Si) DZ 1980 Ĺ ¿ ƴ϶ ַ ڰ  ƴ. 1993 ǰ ¾ ý Կ å ¿ ¾ 䰡 Ȯʰ ÿ FTO ȭƴ. ¾ FTO ʱ ܰ迡 ס ƴ.
ȿ ¾ ϱ ǥ鿡 ö ؽó ʿ. ̴ <׸ 5> ϴ ݻǾ ݵü ̶ ϰ Ǹ ̿ ִ ȿ ϱ ؼ.
FTO ǥ µ ̰ų β 1 α β ν ԰ ũ Ͽ ؽóȭ . ȭ ҿ ⷮ ϸ <׸ 4> ο , ԰ Ŀ Ƿ, ó ̴ 0.2 ǥ ö ؽó ִ.


FTO ȭ ؼ Ҽ ߷ Sn ῡ ԵǴ ܷ  ߿ϴ. Ҵ ȭּ ӿ ⿩, ǵ Ҽҷ ġȯϴ . ⿩ ʴ Ҽ Ұ , ̰ Ǿ ϰ Ͼ. ȭ a-Si ʱ 꼺 ö ϵȴ.
̻ ǿ a-Si ¾ FTO ִ. Ҽҷ 0.02~0.3wt% ְ ҷ 0.1~0.4wt% , 켱 ֿ ũ(110), (200), (211) տ ȸ 0.25~0.475 ִ FTO a-Si ¾ .

¾
Ǹܰ ¾ ¾, ֱ ǰ ִ ¾ ȭ ǰ ִ.


<׸ 6> ¾ Ÿ ̴. ¾ ȭƼź(TiO2) ̸ڸ ̽ƮȭϿ ٿ ǿ ν 500 µ óƴ. ̷ν <׸ 7> ̰(TEM) . ̸ ǥ鿡 N3ҷ Ҹ ״(Ruthenium) Ǹ(Bipyridine) ü() Ҹ Ѵ.
FTO Pt ٸ ̸(s) ̼ Ͽ ؾ ϸ ¾ Ѵ.
Ŀ . ȭƼź ִ Ұ ϸ ° Ǿ ڴ ȭƼź Եȴ.
<׸ 7> , 10~20 ̸ڰ ٰ ڰ ̵Ͽ FTO Ѵ. ڸ Ҵ ؾ ̿ I- ڸ () · ư. ̿ I3- ȴ. I3- ϸ <׸ 6> Pt ؿ ڷ ȯǾ ٽ I- ư.
a-Si , ¾ FTO ϴ ȭƼź ߿ϴ. ϴ ٰ ȭƼź ( ȭƼź ȭƼź ) Բ FTO ϴ ʿϴ. FTO ؾ 쿡 FTO ڿ ؾ ̿ ϴ Ͼ. ̰ ϱ 10 ԰ ġ ȭƼź FTO ؾ ʿ䰡 ִ. ¾ FTO ߴ Ҽҷ 0.2wt% , 켱 ֿ ũ(110), (200), (211) տ (110) Ǵ (211) 0.25~0.4 ̿ ְ, (200) 0.25~0.5 ̿ ִ FTO ߴ.
¾ ҷ ڴ ٰ ȭƼź ӿ ԵǾ FTO ̵ؾ Ѵ. ʹ β ٰ ̵ տ ڸ Ȯ .
10 ̻ ȭƼź ٰ ؼ ӿ ġϿ ü ڸ ȿ ̴. <׸ 8> a-Si ؽó Ǻ 10, 1 Ѵ ⸦ FTO ߴ.


̰ ȭƼź ٰ ӿ FTO ԵDZ ȭƼź ǥ ҿ ڰ FTO ǿ ϴ Ÿ ª ÿ ȿ Ǵ ؽó ̴. ؽó ¾ ȿ ȿ ִ.

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2008 12ȣ
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