Theory of the Photomolecular Effect
Fuente:
arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866912189210689536 |
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| author | Landry, Michael J. Fu, Chuliang Zhang, James H. Li, Jiachen Chen, Gang Li, Mingda |
| author_facet | Landry, Michael J. Fu, Chuliang Zhang, James H. Li, Jiachen Chen, Gang Li, Mingda |
| contents | It is well-known that water in both liquid and vapor phases exhibits exceptionally weak absorption of light in the visible range. Recent experiments, however, have demonstrated that at the liquid-air interface, absorption in the visible range is drastically increased. This increased absorption results in a rate of evaporation that exceeds the theoretical thermal limit by between two and five times. Curiously, the evaporation rate peaks at green wavelengths of light, while no corresponding absorptance peak has been observed. Experiments suggest that photons can cleave off clusters of water molecules at the surface, but no clear theoretical model has yet been proposed to explain how this is possible. This paper aims to present such a model and explain this surprising and important phenomenon. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_08373 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Theory of the Photomolecular Effect Landry, Michael J. Fu, Chuliang Zhang, James H. Li, Jiachen Chen, Gang Li, Mingda Soft Condensed Matter Atomic and Molecular Clusters Optics It is well-known that water in both liquid and vapor phases exhibits exceptionally weak absorption of light in the visible range. Recent experiments, however, have demonstrated that at the liquid-air interface, absorption in the visible range is drastically increased. This increased absorption results in a rate of evaporation that exceeds the theoretical thermal limit by between two and five times. Curiously, the evaporation rate peaks at green wavelengths of light, while no corresponding absorptance peak has been observed. Experiments suggest that photons can cleave off clusters of water molecules at the surface, but no clear theoretical model has yet been proposed to explain how this is possible. This paper aims to present such a model and explain this surprising and important phenomenon. |
| title | Theory of the Photomolecular Effect |
| topic | Soft Condensed Matter Atomic and Molecular Clusters Optics |
| url | https://arxiv.org/abs/2501.08373 |