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説明:

The application of semiconductor nanocrystals containing cadmium, lead, selenium and mercury as constituent elements is strictly limited by concerns about environmental pollution and health effects. Nanocrystals free of these toxic elements are being pushed to the forefront of nanocrystal 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 of these environmentally friendly fluorescent nanocrystals. In this context, the first topic in this review 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 such as tin-based halide perovskite and double perovskite structures. Recent efforts on how to control nanostructures to enhance photoluminescence quantum yields is highlighted for each semiconductor nanocrystal.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Colloidal Quantum dots, Double Perovskite Nanocrystals, Silicon Quantum Dots, Quantum dot light-emitting diodes, Quantum dot photodetectors, Thermal theranostics

刊行年月日: 2024-01-10

出版者: Hosokawa Powder Technology Foundation

掲載誌:

• KONA Powder and Particle Journal (ISSN: 02884534) vol. 41 p. 172-182 2024001

研究助成金:

• JSPS 21H01910
• 村田学術振興財団 研究助成083

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.14356/kona.2024001

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更新時刻: 2024-04-09 16:30:18 +0900

MDRでの公開時刻: 2024-04-09 16:30:18 +0900