Single-particle photoluminescence from cadmium selenide quantum dots fabricated via laser ablation in superfluid helium
Abstract
We fabricated cadmium selenide nanoparticles using a pulsed laser-ablation scheme in superfluid helium. The fabricated nanoparticles showed photoluminescence blinking and a clear blueshifted emission whose linewidth was nearly equal to the homogeneous linewidth. These results demonstrate that our method can prepare quantum dots with a sharp resonance directly in superfluid helium, enabling the further implementation of resonant optical manipulation and optical trapping in cryogenic systems.
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CdSe quantum dots have been prepared through PLA in superfluid helium by Minowa et al., who reported improved luminescence property.
“CdSe quantum dots have been prepared through PLA in superfluid helium by Minowa et al.; they reported the improved luminescence property of the CdSe quantum dots127.”
From Fundamentals and comprehensive insights on pulsed laser synthesis of advanced materials for diverse photo- and electrocatalytic applications (2022) · cites this paper as [127]
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Theerthagiri, J., Karuppasamy, K., Lee, S. J., Shwetharani, R., Kim, H.-S., Pasha, S. K. K., Ashokkumar, M., & Choi, M. Y. (2022) · Light: Science & Applications · doi:10.1038/s41377-022-00904-7 · Cited by 461 · see citing works
- Authors
- Minowa, Y., Suzuki, T., Setoura, K., Ito, S., Miyasaka, H., & Ashida, M.
- Affiliations
- The University of Osaka (JP)
- Venue
- Journal of Nanophotonics
- Publisher
- SPIE-Intl Soc Optical Eng
- Published
- 2018-10-17
- Volume
- 13
- Issue
- 01
- Pages
- 1-6
- ISSN
- 1934-2608 (ISSN-L)
- OpenAlex
- W2897114569
- Cited by
- 5
- References
- 0
- Citations by year
- 2024: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 1
- FWCI
- 0.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Nanophotonics (publishedVersion)
- Funders
- Ministry of Education, Culture, Sports, Science and Technology (JP16H06505, JP26107002)
- Japan Society for the Promotion of Science (JP16H06505, JP17K17841, JP26107002, JP16H03827, JP18K13688, JP16H03884)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Quantum Dots Synthesis And Properties
- Physical Sciences › Engineering › Biomedical Engineering › Laser-Ablation Synthesis of Nanoparticles
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum, superfluid, helium dynamics
- Keywords
- CdSe quantum dots, photoluminescence blinking, homogeneous linewidth, optical trapping
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