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Orbital dependent ultrafast charge transfer dynamics of ferrocenyl-functionalized SAMs on gold studied by core-hole clock spectroscopy

文献类型：期刊论文

作者Cao, Liang1,2,3; Yang, Ming4; Yuan, Li1; Nerngchamnong, Nisachol1; Feng, Yuan-Ping3; Wee, Andrew T. S.3; Qi, Dong-Chen5; Nijhuis, Christian A.1,6,7
刊名JOURNAL OF PHYSICS-CONDENSED MATTER
出版日期2016-03-09
卷号28期号:9页码:1-9
关键词Molecular Electronics Core-hole-clock Charge Transfer Dynamics Self-assembled Monolayers
DOI10.1088/0953-8984/28/9/094006
文献子类Article
英文摘要Understanding the charge transport properties in general of different molecular components in a self-assembled monolayer (SAM) is of importance for the rational design of SAM molecular structures for molecular electronics. In this study, we study an important aspect of the charge transport properties, i.e. the charge transfer (CT) dynamics between the active molecular component (in this case, the ferrocenyl moieties of a ferrocenyl-n-alkanethiol SAM) and the electrode using synchrotron-based core-hole clock (CHC) spectroscopy. The characteristic CT times are found to depend strongly on the character of the ferrocenyl-derived molecular orbitals (MOs) which mediate the CT process. Furthermore, by systemically shifting the position of the ferrocenyl moiety in the SAM, it is found that the CT characteristics of the ferrocenyl MOs display distinct dependence on its distance to the electrode. These results demonstrate experimentally that the efficiency and rate of charge transport through the molecular backbone can be modulated by resonant injection of charge carriers into specific MOs.
WOS关键词SELF-ASSEMBLED MONOLAYERS ; MOLECULAR TUNNELING JUNCTIONS ; ELECTRON-TRANSPORT ; RESONANT PHOTOEMISSION ; BOTTOM ELECTRODES ; LEAKAGE CURRENTS ; SINGLE MOLECULES ; WORK FUNCTION ; SURFACE ; DIODES
WOS研究方向Physics
语种英语
WOS记录号WOS:000370277700007
资助机构Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07) ; Singapore National Research Foundation (CRP) under the Competitive Research Program (CRP)(NRF-CRP 8-2011-07)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22297]  
专题合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore
2.Chinese Acad Sci, High Field Magnet Lab, 350 Shushanhu Rd, Hefei 230031, Anhui, Peoples R China
3.Natl Univ Singapore, Dept Phys, 2 Sci Dr 3, Singapore 117542, Singapore
4.Inst Mat Res & Engn, 3 Res Link, Singapore 117602, Singapore
5.La Trobe Univ, La Trobe Inst Mol Sci, Dept Chem & Phys, Melbourne, Vic 3086, Australia
6.Natl Univ Singapore, Ctr Adv 2D Mat, 6 Sci Dr 2, Singapore 117546, Singapore
7.Natl Univ Singapore, Fac Sci, Graphene Res Ctr, 6 Sci Dr 2, Singapore 117546, Singapore
推荐引用方式
GB/T 7714		 Cao, Liang,Yang, Ming,Yuan, Li,et al. Orbital dependent ultrafast charge transfer dynamics of ferrocenyl-functionalized SAMs on gold studied by core-hole clock spectroscopy[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2016,28(9):1-9.
APA Cao, Liang.,Yang, Ming.,Yuan, Li.,Nerngchamnong, Nisachol.,Feng, Yuan-Ping.,...&Nijhuis, Christian A..(2016).Orbital dependent ultrafast charge transfer dynamics of ferrocenyl-functionalized SAMs on gold studied by core-hole clock spectroscopy.JOURNAL OF PHYSICS-CONDENSED MATTER,28(9),1-9.
MLA Cao, Liang,et al."Orbital dependent ultrafast charge transfer dynamics of ferrocenyl-functionalized SAMs on gold studied by core-hole clock spectroscopy".JOURNAL OF PHYSICS-CONDENSED MATTER 28.9(2016):1-9.

入库方式： OAI收割

来源：合肥物质科学研究院

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