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- Matthew J. Comstock
- University of California at Berkeley 1 Department of Physics, , Berkeley, California 94720-730, USA
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- Niv Levy
- University of California at Berkeley 1 Department of Physics, , Berkeley, California 94720-730, USA
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- Jongweon Cho
- University of California at Berkeley 1 Department of Physics, , Berkeley, California 94720-730, USA
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- Luis Berbil-Bautista
- University of California at Berkeley 1 Department of Physics, , Berkeley, California 94720-730, USA
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- Michael F. Crommie
- University of California at Berkeley 1 Department of Physics, , Berkeley, California 94720-730, USA
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- Daniel A. Poulsen
- Lawrence Berkeley National Laboratory 2 Materials Sciences Division, , Berkeley, California 94720, USA
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- Jean M. J. Fréchet
- Lawrence Berkeley National Laboratory 2 Materials Sciences Division, , Berkeley, California 94720, USA
抄録
<jats:p>We have used single-molecule-resolved scanning tunneling microscopy to measure the photomechanical switching rates of azobenzene-derived molecules at a gold surface during exposure to UV and visible light. This enables the direct determination of both the forward and reverse photoswitching cross sections for surface-mounted molecules at different wavelengths. In a dramatic departure from molecular behavior in solution-based environments, visible light does not efficiently reverse the reaction for azobenzene-derived molecules at a gold surface.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 92 (12), 123107-, 2008-03-24
AIP Publishing