Molecular electron transport changes upon structural phase transitions in alkanethiol molecular junctions

ACS Nano

Volumn 3, Issue 9, 2009, Pages 2469-2476

  Seo, Kyoungja ^a   Lee, Hyoyoung ^a  

^a Electronics and Telecommunications Research Institute (ETRI)   (South Korea)

Author keywords

Electron transport; Molecular electronics; Molecular junction; Self assembled monolayer; Structural phase transition

Indexed keywords

1 ,8-OCTANEDITHIOL; ALKANETHIOLS; DECAY CONSTANTS; ELECTRON TRANSPORT; HIGH RESOLUTION SCANNING TUNNELING MICROSCOPY; INTERMOLECULAR COUPLING; MICROPORES; MOLECULAR ELECTRONS; MOLECULAR JUNCTION; OCTANETHIOL; SAMS; STRIPED PHASE; STRUCTURAL PHASE TRANSITION; STRUCTURAL PHASIS; THIOLATES; TUNNELING ,; TUNNELING BARRIER; TUNNELING BARRIER HEIGHTS;

ACOUSTIC MICROSCOPES; ELECTRON ENERGY LEVELS; ELECTRON TRANSITIONS; ELECTRON TRANSPORT PROPERTIES; ELECTRON TUNNELING; MOLECULAR ELECTRONICS; ORGANIC POLYMERS; SCANNING TUNNELING MICROSCOPY; SELF ASSEMBLED MONOLAYERS; WIND TUNNELS;

PHASE TRANSITIONS;

EID: 70349600066     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn8008917     Document Type: Article

References (29)

1. Cui, X. D.; Primak, A.; Zarate, X.; Tomfohr, J.; Sankey, O. F.; Moore, A. L.; Moore, T. A.; Gust, D.; Harris, G.; Lindsay, S. M. Reproducible Measurement of Single-Molecule Conductivity. Science 2001, 294, 571-574.
2. Salomon, A.; Cahen, D.; Lindsay, S.; Tomfohr, J.; Engelkes, V. B.; Frisbie, C. D. Comparison of Electronic Transport Measurements on Organic Molecules. Adv. Mater. 2003, 15, 1881-1890.
3. Engelkes, V. B.; Beebe, J. M.; Frisbie, C. D. Length- Dependent Transport in Molecular Junctions Based on SAMs of Alkanethiols and Alkanedithiols: Effect of Metal Work Function and Applied Bias on Tunneling Efficiency and Contact Resistance. J. Am. Chem. Soc. 2004, 726, 14287-14296.
4. Galperin, M.; Ratner, M. A.; Nitzan, A.; Troisi, A. Nuclear Coupling and Polarization in Molecular Transport Junctions: Beyond Tunneling to Function. Science 2008, 379, 1056-1060.
5. Song, H.; Lee, H.; Lee, T. Intermolecular Chain-to-Chain Tunneling in Metal-Alkanethiol-Metal Junctions. J.Am. Chem. Soc. 2007, 129, 3806-3807.
6. Wang, W.; Lee, T.; Reed, M. A. Mechanism of Electron Conduction in Self-Assembled Alkanethiol Monolayer Devices. Phys. Rev. B 2003, 68, 354161-354167.
7. Wang, W.; Lee, T.; Reed, M. A. Elastic and Inelastic Electron Tunneling in Alkane Self-Assembled Monolayers. J. Phys. Chem. B 20 04, 708, 18398-18407.
8. Jeremy, M. B.; BongSoo, K.; Gadzuk, J. W.; Frisbie, C. D.; James, G. K. Transition from Direct Tunneling to Field Emission in Metal-Molecule-Metal Junctions. Phys. Rev. Lett. 2006, 97, 026801.
9. Holmlin, R. E.; Haag, R.; Chabinyc, M. L.; Ismagilov, R. F.; Cohen, A. E.; Terfort, A.; Rampi, M. A.; Whitesides, G. M. Electron Transport through Thin Organic Films in Metal- Insulator-Metal Junctions Based on Self-Assembled Monolayers. J. Am. Chem. Soc. 2001, 123, 5075-5085.
10. Selzer, Y.; Cai, L.; Cabassi, M. A.; Yao, Y.; Tour, J. M.; Mayer, T. S.; Allara, D. L. Effect of Local Environment on Molecular Conduction: Isolated Molecule versus Self-Assembled Monolayer. Nano Lett. 2005, 5, 61-65.
11. Beebe, J. M.; Kim, B.; Frisbie, C. D.; Kushmerick, J. G. Measuring Relative Barrier Heights in Molecular Electronic Junctions with Transition Voltage Spectroscopy. ACS Nano 2008, 2, 827-832.
12. Cui, X. D.; Zarate, X.; Tomfohr, J.; Sankey, O. F.; Primak, A.; Moore, A. L.; Moore, T. A.; Gust, D.; Harris, G.; Lindsay, S. M. Making Electrical Contacts to Molecular Monolayers. Nanotechnology 2002, 13, 5-14.
13. Lindstrom, C. D.; Muntwiler, M.; Zhu, X. Y. Electron Transport Across the Alkanethiol Self-Assembled Monolayer/Au(111) Interface: Role of the Chemical Anchor. J. Phys. Chem. B 2005, 109, 21492-21495.
14. Slowinski, K.; Chamberlain, R. V.; Miller, C. J.; Majda, M. Through-Bond and Chain-to-Chain Coupling. Two Pathways in Electron Tunneling through Liquid Alkanethiol Monolayers on Mercury Electrodes. J. Am. Chem. Soc. 1997, 119, 11910-11919.
15. Poirier, G. E. Coverage-Dependent Phases and Phase Stability of Decanethiol on Au(111). Langmuir 1999, 75, 1167-1175.
16. Poirier, G. E.; Fitts, W. P.; White, J. M. Two-Dimensional Phase Diagram of Decanethiol on Au(111). Langmuir 2001, 17, 1176-1183.
17. Qian, Y.; Yang, G.; Yu, J.; Jung, T. A.; Liu, G. y. Structures of Annealed Decanethiol Self-Assembled Monolayers on Au(111): An Ultrahigh Vacuum Scanning Tunneling Microscopy Study. Langmuir 2003, 19, 6056-6065.
18. Yang, G.; Liu, G. y. New Insights for Self-Assembled Monolayers of Organothiols on Au(111) Revealed by Scanning Tunneling Microscopy. J. Phys. Chem. B 2003, 107, 8746-8759.
19. Nicholas, C., III; Christopher, E. D. C.; Gang-yu, L.; Giacinto, S. Superlattice Structure at the Surface of a Monolayer of Octadecanethiol Self-Assembled on Au(111). J. Chem. Phys. 1993, 98, 3503-3511.
20. Poirier, G. E.; Tarlov, M. J. The c(4 X 2) Superlattice of n- Alkanethiol Monolayers Self-Assembled on Au(111). Langmuir 1994, 10, 2853-2856.
21. McCreery, R. L. Molecular Electronic Junctions. Chem. Mater. 2004, 16, 4477-4496.
22. Simmons, J. G. Generalized Formula for the Electric Tunnel Effect between Similar Electrodes Separated by a Thin Insulating Film. J. Appl. Phys. 1963, 34, 1793-1803.
23. Lee, T.; Wang, W.; Reed, M. A. Mechanism of Electron Conduction in Self-Assembled Alkanethiol Monolayer Devices. Ann. N.Y. Acad. Sci. 2003, 1006, 21-35.
24. Dameron, A. A.; Ciszek, J. W.; Tour, J. M.; Weiss, P. S. Effects of Hindered Internal Rotation on Packing and Conductance of Self-Assembled Monolayers. J. Phys. Chem. B 2004, 108, 16761-16767.
25. Akkerman, H. B.; Naber, R. C. G.; Jongbloed, B.; van Hal, P. A.; Blom, P. W. M.; de Leeuw, D. M.; de Boer, B. Electron Tunneling through Alkanedithiol Self-Assembled Monolayers in Large-Area Molecular Junctions. Proc. Natl. Acad. Sci. U.S.A. 2007, 104, 11161-11166.
26. Bumm, L. A.; Arnold, J. J.; Dunbar, T. D.; Allara, D. L.; Weiss, P. S. Electron Transfer through Organic Molecules. J. Phys. Chem. B 1999, 103, 8122-8127.
27. Akkerman, H. B.; Blom, P. W. M.; de Leeuw, D. M.; de Boer, B. Towards Molecular Electronics with Large-Area Molecular Junctions. Nature 2006, 447, 69-72.
28. Akkerman, H. B.; Kronemeijer, A. J.; van Hal, P. A.; de Leeuw, D. M.; Blom, P. W. M.; de Boer, B. Self-Assembled- Monolayer Formation of Long Alkanedithiols in Molecular Junctions. Small 2008, 4, 100-104.
29. Kim, D. H.; Lee, H.; Song, C. K.; Lee, C. Fabrication of Nanosized Molecular Array Device and Logic Gate Using Dimethyl-phenylethynyl Thiol. J. Nanosci. Nanotechnol. 2006, 6, 3470-3474.