화학공학소재연구정보센터
Korean Journal of Chemical Engineering, Vol.22, No.2, 334-338, March, 2005
Two-Step Growth of ZnO Films on Silicon by Atomic Layer Deposition
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Two-step growth of ZnO by atomic layer deposition at low temperatures was performed to grow quality ZnO films on silicon substrates: first, the growth of a buffer layer at 130 ℃ and second, the growth of the main layer at 210 ℃. Structural and optical properties of the ZnO films deposited on ZnO-buffer/Si(111) were investigated as a function of buffer layer thickness. The films showed a strong UV emission at 380 nm and a weak green emission at 520-570 nm. The ZnO films deposited on a 327 Å buffer layer showed overall the best surface morphology and structural and optical properties.
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