Model of luminescence and delayed luminescence correlated blinking in single CsPbBr$_3$ nanocrystals
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866908736062226432 |
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| author | Podshivaylov, Eduard A. Shekhin, Alexander M. Kniazeva, Maria A. Tarasevich, Alexander O. Sapozhnikova, Elizaveta V. Pushkarev, Anatoly P. Eremchev, Ivan Yu. Naumov, Andrei V. Frantsuzov, Pavel A. |
| author_facet | Podshivaylov, Eduard A. Shekhin, Alexander M. Kniazeva, Maria A. Tarasevich, Alexander O. Sapozhnikova, Elizaveta V. Pushkarev, Anatoly P. Eremchev, Ivan Yu. Naumov, Andrei V. Frantsuzov, Pavel A. |
| contents | Cesium lead halide nanocrystals and quantum dots are prominent materials for different types of applications because of their remarkable photophysical properties. However, they are also known to exhibit the same effects observed for non-perovskite colloidal semiconductor quantum dots such as blinking, photobleaching, delayed luminescence, etc. In this study we reveal the correlations between fast and delayed emission components for both the intensity and characteristic decay time for single CsPbBr$_3$ nanocrystals. In order to explain the phenomena observed, we propose a novel model of single CsPbBr$_3$ nanocrystals luminescence blinking based on the hypothesis of slow variations in the electron-phonon coupling. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_06100 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Model of luminescence and delayed luminescence correlated blinking in single CsPbBr$_3$ nanocrystals Podshivaylov, Eduard A. Shekhin, Alexander M. Kniazeva, Maria A. Tarasevich, Alexander O. Sapozhnikova, Elizaveta V. Pushkarev, Anatoly P. Eremchev, Ivan Yu. Naumov, Andrei V. Frantsuzov, Pavel A. Materials Science Statistical Mechanics Cesium lead halide nanocrystals and quantum dots are prominent materials for different types of applications because of their remarkable photophysical properties. However, they are also known to exhibit the same effects observed for non-perovskite colloidal semiconductor quantum dots such as blinking, photobleaching, delayed luminescence, etc. In this study we reveal the correlations between fast and delayed emission components for both the intensity and characteristic decay time for single CsPbBr$_3$ nanocrystals. In order to explain the phenomena observed, we propose a novel model of single CsPbBr$_3$ nanocrystals luminescence blinking based on the hypothesis of slow variations in the electron-phonon coupling. |
| title | Model of luminescence and delayed luminescence correlated blinking in single CsPbBr$_3$ nanocrystals |
| topic | Materials Science Statistical Mechanics |
| url | https://arxiv.org/abs/2507.06100 |