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Photoluminescence of chemical solution-derived amorphous ZnO layers prepared by low-temperature process

Eo, Ik-Soo;Hwangbo, Seung;Kim, Jin-Tae;Hwang, Kyu-Seog

  • Published : 20100000

Abstract

Growth characteristic and optical properties of the amorphous ZnO thin films prepared on soda-lime–ilica glass substrates by chemical solution process at 100 and 200 ${^{\circ}C}$ were investigated by using X-ray diffraction analysis, scanning probe microscope, ultraviolet spectrophotometer, and photoluminescence. The films exhibited an amorphous pattern even when finally heat treated at 100–200 ${^{\circ}C}$ for 60 min.The photoluminescence spectrum of amorphous ZnO films shows a strong near-band-edge emission, while the visible emission is nearly quenched.

Keywords

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