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Single molecule detection and photochemistry on a surface using near-field optical excitation
Abstract
We report the first photobleaching experiments of single molecules on a surface. Single molecules of rhodamine 6G are detected on a silica surface under ambient conditions using near-field scanning optical microscopy. Photobleaching of an individual molecule appears as an abrupt disappearance of fluorescence after seconds of constant excitation. Other reversible, upward and downward changes in fluorescence are observed, possibly due to reorientation of molecules on the surface.
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Citations
Cited by
Near-Field Scanning Optical Microscopy
Dunn, R. C. (1999) · Chemical Reviews · doi:10.1021/cr980130e · Cited by 508
Photoblinking of Rhodamine 6G in Poly(vinyl alcohol): Radical Dark State Formed through the Triplet
Zondervan, R., Kulzer, F., Orlinskii, S. B., & Orrit, M. (2003) · The Journal of Physical Chemistry A · doi:10.1021/jp034723r · Cited by 278
Single-molecule spectroscopy and imaging over the decades
Moerner, W. E., Shechtman, Y., & Wang, Q. (2015) · Faraday Discussions · doi:10.1039/c5fd00149h · Cited by 103
Metadata
- Authors
- Ambrose, W. P., Goodwin, P. M., Martin, J. C., & Keller, R. A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1994-01-03
- Volume
- 72
- Issue
- 1
- Pages
- 160-163
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2075058778
- Cited by
- 240
- References
- 0
- FWCI
- 18.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Single molecule detection and photochemistry on a surface using near-field optical excitation. https://app.cochat.ai/papers/10.1103/physrevlett.72.160
- The paper
- Ambrose, W. P., Goodwin, P. M., Martin, J. C., & Keller, R. A. (1994). Single molecule detection and photochemistry on a surface using near-field optical excitation. Physical Review Letters. https://doi.org/10.1103/physrevlett.72.160
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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