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Control and imaging of single-molecule spectral dynamics using a nano-electrode

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Gerhardt, I., Wrigge, G., & Sandoghdar, V. (2009). Control and imaging of single-molecule spectral dynamics using a nano-electrode. Molecular Physics, 107: PII 914467980, pp. 1975-1979. doi:10.1080/00268970903188358.


Cite as: http://hdl.handle.net/21.11116/0000-0002-9A8F-0
Abstract
We study the influence of a scanning nano-electrode on the fluorescence excitation spectra of single terrylene molecules embedded in thin p-terphenyl films at cryogenic temperatures. We show that applied voltages of less than 10 V can result in reversible Stark shifts of up to 100 times and a linewidth increase greater than 10 times the natural linewidth. We discuss the potential of our experimental scheme for the direct imaging of individual two-level systems in the nanometer vicinity of single molecules.