Tuning the Energy Level Alignment at the SnPc/Ag(111) Interface Using an STM Tip

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• 作者：Marius Toader ; Michael Hietschold
• 刊名：Journal of Physical Chemistry C
• 出版年：2011
• 出版时间：February 24, 2011
• 年：2011
• 卷：115
• 期：7
• 页码：3099-3105
• 全文大小：1021K
• 年卷期：v.115,no.7(February 24, 2011)
• ISSN：1932-7455

文摘

The tip influence on the energy level alignment at the SnPc/Ag(111) interface has been addressed via scanning tunneling spectroscopy (STS). A collective effect characteristic for both molecular conformations up and down is reported to shift the corresponding first filled and empty levels toward the Fermi energy via a tip鈭抯ample distance decrease. The importance of the tin ion coupling to the metal electrodes is emphasized for the newly reported 鈥渃ross-bending鈥?effect as well as for a controllable tip-induced single-molecule switching and 鈥渘ano-writing鈥?within densely packed molecular arrays.