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We report on the photo electrochemical water splitting and hydrogen generation under visible light on highly stable InGaN/GaN nanowire photo electrodes.
Here we report stoichiometric and stable evolution of H2 and O2 from pure (pH 7.0) water under ultraviolet, blue and green light irradiation using wafer-scale InGaN/GaN triple-band nanowire heterostructures.
We report on the achievement of InGaN/GaN/AlGaN core-shell dot-in-a-wire phosphor-free light-emitting diodes (LEDs) with significantly enhanced output power and tunable color emission.
We show that the performance of InGaN/GaN axial nanowire LEDs is largely limited by the poor carrier injection efficiency. We have further demonstrated high performance phosphor-free white LEDs using InGaN/GaN/AlGaN dot-in-a-wire core-shell heterostructures.
We report on the achievement of InGaN/GaN dot-in-a-wire phosphor-free white light-emitting diodes, which can exhibit a record internal quantum efficiency of ∼57% and virtually zero efficiency droop for injection currents up to ∼2,200 A/cm2.
We have demonstrated, for the first time, resonant tunneling in large area nanowire devices on Si substrates, wherein GaN/AlN multiple quantum wells are incorporated in nearly-defect free GaN nanowires on a Si-platform.
We report on the achievement of a record high internal quantum efficiency in InGaN/GaN dot-in-a-wire light emitting diodes by significantly reducing the electron overflow and enhancing the hole transport in the device active regions.
We report on the epitaxial growth, fabrication, and characterization of full-color InGaN/GaN dot-in-a-wire nanoscale LEDs on Si(111), which can exhibit an internal quantum efficiency of ~ 45% and negligible saturation up to ~ 300 A/cm2.
A record high internal quantum efficiency of 36.7% was achieved for nanowire LEDs by using InGaN/GaN dot-in-a-wire heterostructures. The devices can exhibit strong green, red, and white emission, depending on the dot sizes and compositions.
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