Novel Green Luminescent and Phosphorescent Material: Semiconductive Nanoporous ZnMnO with Photon Confinement
Source abstract
Abstract
A novel green luminescent and phosphorescent material of semiconductive nanoporous ZnMnO was synthesized by the thermal nucleation of nanopores in the 20-period Zn 0.93 Mn 0.07 O/Zn 0.65 Mn 0.35 O multilayer structure. Nanoporous ZnMnO showed an n -type semiconducting property and exhibited an extremely strong green light emission in its luminescence and phosphorescence characteristics. This arises from the formation of the localized energy level (i.e., green emission band) within the energy band gap and the confinement of photons. The results suggest nanoporous ZnMnO to have a great potential for the new type of semiconducting green phosphors and semiconductor light-emitting diodes with lower thresholds, producing an efficient light emission. In-depth analyses on the structural, electrical, and optical properties are thoroughly examined, and the formation mechanism of nanoporous ZnMnO and the origin of the strong green light emission are discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: ZnO doping and properties · Gas Sensing Nanomaterials and Sensors · Ga2O3 and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Semiconductor Science, Dongguk University—Seoul, Seoul 04623, Korea
Quantum-Functional Semiconductor Research Center, Dongguk University—Seoul, Seoul 04623, Korea
Nano Information Technology Academy, Dongguk University—Seoul, Seoul 04623, Korea
Institute of Microelectronics Technology and High-Purity Materials Russian Academy of Sciences, 142432 Chernogolovka, Russia
Funding
National Research Foundation of Korea
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