STM-based molecular detection of "catch-and-release" of protons for bipyridine bound to phenylene-ethynylene thiol |
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Authors: | Koyama Emiko Ishida Takao Tokuhisa Hideo Belaissaoui Abdelhak Nagawa Yoshinobu Kanesato Masatoshi |
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Affiliation: | Nanoarchitectonics Research Center (NARC), National Institute of Advanced Industrial Science and Technology, Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan. e-koyama@aist.go.jp |
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Abstract: | The protonation/deprotonation response of a novel bipyridine containing (phenylene-ethynylene) thiol adsorbed to a Au surface was investigated with scanning tunneling microscopy (STM), showing reversible changes in the average heights (approximately 50 spots) and the height distribution arising from protonation/deprotonation. |
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