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説明:

Nanocrystals free of toxic elements are being pushed to the forefront of nanoscience research because of their environmentally friendly advantages and attractive photophysical properties on recent advances in colloidal synthesis, excellent optical properties, optoelectronic device applications, and biological applications. In this context, the first topic in this paper introduces group IV semiconductors. In particular, the unique light emitting properties generated in silicon nanocrystals of diameters smaller than Bulk exciton Bohr radius are highlighted. Next the topic turns to the nanocrystals of group III-V semiconductors. After that, attentions are paid to the lead-free perovskite nanocrystals with double perovskite structures. Recent efforts on how to control nanostructures to enhance photoluminescence quantum yields is highlighted for each semiconductor nanocrystal. Finally, the remaining challenges that must be overcome to realize nontoxic optoelectronic devices will be discussed.

権利情報:

• In Copyright
  

キーワード: Colloidal Quantum dots, Indium antimonide, Silicon, Photodetectors, Photoluminescence, Electron Spin Resonance, Hot-injection,

会議: World PM2024 powder Metallurgy World Congress & Exhibition (2024-10-13 - 2024-10-17)

研究助成金:

• JSPS 24K01462, 24K21720 (コヒーレント構造の概念を拡張した新しい半導体量子ドット創製とデバイス化への展開, 近赤外励起アップコンバージョン量子ドットの開発と医療応用)

原稿種別: 論文以外のデータ

MDR DOI: https://doi.org/10.48505/nims.4860

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更新時刻: 2024-10-17 12:30:21 +0900

MDRでの公開時刻: 2024-10-17 12:30:22 +0900