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Improving the photodetection and stability of a visible-light QDs/ZnO phototransistor <i>via</i> an Al<sub>2</sub>O<sub>3</sub> additional layer

Sungho Park, Byung Jun Kim, Tae‐Yeon Kim, Eui Young Jung, Kyu-Myung Lee, Jong‐Am Hong, Woojin Jeon, Yongsup Park, Seong Jun Kang

2021Journal of Materials Chemistry C19 citationsDOI

Abstract

We have developed a visible-light phototransistor with excellent photodetection characteristics and stability <italic>via</italic> atomic layer deposition (ALD) to add a thin layer of aluminum oxide (Al<sub>2</sub>O<sub>3</sub>) to quantum dot (QD)/zinc oxide (ZnO) films.

Topics & Concepts

PhotodetectionAtomic layer depositionMaterials scienceOptoelectronicsPhotodiodeLayer (electronics)Quantum dotVisible spectrumPhotodetectorAluminum oxideDeposition (geology)ZincAluminiumOpticsNanotechnologyPhysicsComposite materialBiologyPaleontologySedimentMetallurgyZnO doping and propertiesGa2O3 and related materialsQuantum Dots Synthesis And Properties
Improving the photodetection and stability of a visible-light QDs/ZnO phototransistor <i>via</i> an Al<sub>2</sub>O<sub>3</sub> additional layer | Litcius