Uniqueness of our research:
This is the first one-chip solid state LED that emits high
quality white light under the stress of a voltage at room temperature. The
light is emitted from a nm-thick amorphous metal oxide
thin film stack on a p-type Si wafer. The film is deposited by sputtering. The embedding
of a nocrystal layer can enhance the intensity of the
emitted light.
Yue Kuo and
Chi-Chou Lin, “A Light Emitting Device Made from Thin Zirconium-doped
Hafnium Oxide High-k Dielectric Film with or without an Embedded
Nanocrystal Layer,” Appl. Phys. Letts.,
102(3), 031117 (2013).
This paper was
selected as a Research Highlight by APL
editors, 2012.
JVST B Januray/February 2014
Cover Page
WO3 LED > 1,300 hours lifetime
JVST B 32(1)
011208 (2014)
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