Tip-Induced Chemical Manipulation of Metal Porphyrins at a Liquid/Solid Interface
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- 作者：Min Li ; Duncan den Boer ; Patrizia Iavicoli ; Jinne Adisoejoso ; Hiroshi Uji-i ; Mark Van der Auweraer ; David B. Amabilino ; Johannes A. A. W. Elemans ; Steven De Feyter
- 刊名：Journal of the American Chemical Society
- 出版年：2014
- 出版时间：December 17, 2014
- 年：2014
- 卷：136
- 期：50
- 页码：17418-17421
- 全文大小：292K
- ISSN：1520-5126
文摘
Changing abruptly the potential between a scanning tunneling microscope tip and a graphite substrate induces 鈥渉igh-conductance鈥?spots at the molecular level in a monolayer formed by a manganese chloride鈥損orphyrin molecule. These events are attributed to the pulse-induced formation of 渭-oxo-porphyrin dimers. The pulse voltage must pass a certain threshold for dimer formation, and pulse polarity determines the yield.