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The electron transport properties of the single molecular junctions composed of isomers of 4,4-(ethene-1,2-diyl) dibenzoic acid and two gold electrodes are investigated systematically using elastic scattering Green's function method. The conductance characteristics are quite different for the two isomers which can be used to construct molecular switch. Our study shows that the molecules are chemically adsorbed on the gold surface by the terminal carboxyl group. Each molecular junction has three different stable conductances, which correspond to the different contact structures between the molecules and electrodes. The different conductances result mainly from the variation of the electronic structures, caused by the interaction between the molecules and the electrodes. Our theoretical simulation is consistent with the experimental measurement.
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Keywords:
- photoisomer /
- current-voltage characteristics /
- electronic transport /
- molecular electronics
[1] Kockmann D, Poelsema B, Zandvliet H J W 2009 Nano Lett. 9 1147
[2] Martin S, Grace I,Bryce M R Wang C S, Batsanov A S, Higgins S J, Lambert C J, Nichols R J 2010 J. Am. Chem. Soc. 132 9157
[3] Ricci A M, Calvo E J, Martin S, Nichols R J 2010 J. Am. Chem. Soc. 132 2494
[4] Hu H L, Zhang K, Wang Z X, Wang X P 2006 Acta Phys. Sin. 55 1430(in Chinese)[胡海龙、张 琨、王振兴、王晓平 2006 物理学报 55 1430]
[5] Hu H L, Zhang K, Wang Z X, Kong T, Hu Y, Wang X P 2007 Acta Phys. Sin.56 1674(in Chinese)[胡海龙、张 琨、王振兴、孔 涛、胡 颖、王晓平 2007 物理学报 56 1674]
[6] Hall L E, Reimers J R, Hush N S, Silverbrook K 2000 J.Chem.Phys. 112 1510
[7] Yaliraki S N, Kemp M, Rather M A 1999 J. Am. Chem .Soc. 121 3428
[8] Tian W, Datta S, Hong S, Reifenberger R, Henderson J I, Kubiak C P 1998 J. Chem. Phys. 109 2874
[9] Wang C K, Fu Y, Luo Y 2001 Phys. Chem.Chem.Phys. 3 5017
[10] Wang C K, Luo Y 2003 J. Chem. Phys. 119 4923
[11] Luo Y, Wang C K, Fu Y 2003 Chem. Phys. Lett. 369 299
[12] Wang C K, Li H H, Li Y D, Luo Y, Fu Y 2003 Science in China 46 13
[13] Li Y D 2006 Acta Phys. Sin.55 2997(in Chinese)[李英德 2006 物理学报 55 2997]
[14] Donhauser Z J, Mantooth B A, Kelly K F 2001 Science 292 2303
[15] Tour J M, Wu R, Schummg S 1990 J. Am. Chem .Soc. 112 5662
[16] Tour J M, Jones L, Pearson D L 1995 J. Am. Chem .Soc. 117 9529
[17] Martin S, Haiss W, Higgins S J, Nichols R J 2010 Nano Lett. 10 2019
[18] Li X,He J, Hihath J, Xu B, Lindsay S M, Tao N 2006 J. Am.Chem. Soc. 128 2135
[19] Fu M D, Chen I W P, Lu H C, Kuo C T, Tseng W H, Chen C H 2007 J. Phys. Chem. C 111 11450
[20] Li C, Pobelov I, Wandlowski T, Bagrets A, Arnold A, Evers F 2008 J. Am. Chem. Soc. 130 318
[21] Fujihira M, Suzuki M, Fujii S 2006 Phys. Chem. Chem.Phys. 8 3876
[22] Haiss W, Martin S, Leary E, vanzalinge H, Higgins S J, Bouffier L, Nichols R J 2009 J. Phys. Chem. C 113 5823
[23] Chen F, Li X, Hihath J, Huang Z, Tao N 2006 J. Am. Chem. Soc. 128 15874
[24] Kamenetska M, Quek S Y, Whalley A C, Steigerwald M L, Choi H J, Louie S J, Nuckolls C, Hybertsen M S, Neaton J B, Venkataraman L 2010 J. Am. Chem. Soc.132 6817
[25] Ko C H, Huang M J, Fu M D, Chen C H 2010 J. Am. Chem. Soc. 132 756
[26] Wang C S, Batsanov A S, Bryce M R, Martin S, Nichols R J, Higgins S J, Lambert C J 2009 J. Am. Chem. Soc. 131 15647
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[1] Kockmann D, Poelsema B, Zandvliet H J W 2009 Nano Lett. 9 1147
[2] Martin S, Grace I,Bryce M R Wang C S, Batsanov A S, Higgins S J, Lambert C J, Nichols R J 2010 J. Am. Chem. Soc. 132 9157
[3] Ricci A M, Calvo E J, Martin S, Nichols R J 2010 J. Am. Chem. Soc. 132 2494
[4] Hu H L, Zhang K, Wang Z X, Wang X P 2006 Acta Phys. Sin. 55 1430(in Chinese)[胡海龙、张 琨、王振兴、王晓平 2006 物理学报 55 1430]
[5] Hu H L, Zhang K, Wang Z X, Kong T, Hu Y, Wang X P 2007 Acta Phys. Sin.56 1674(in Chinese)[胡海龙、张 琨、王振兴、孔 涛、胡 颖、王晓平 2007 物理学报 56 1674]
[6] Hall L E, Reimers J R, Hush N S, Silverbrook K 2000 J.Chem.Phys. 112 1510
[7] Yaliraki S N, Kemp M, Rather M A 1999 J. Am. Chem .Soc. 121 3428
[8] Tian W, Datta S, Hong S, Reifenberger R, Henderson J I, Kubiak C P 1998 J. Chem. Phys. 109 2874
[9] Wang C K, Fu Y, Luo Y 2001 Phys. Chem.Chem.Phys. 3 5017
[10] Wang C K, Luo Y 2003 J. Chem. Phys. 119 4923
[11] Luo Y, Wang C K, Fu Y 2003 Chem. Phys. Lett. 369 299
[12] Wang C K, Li H H, Li Y D, Luo Y, Fu Y 2003 Science in China 46 13
[13] Li Y D 2006 Acta Phys. Sin.55 2997(in Chinese)[李英德 2006 物理学报 55 2997]
[14] Donhauser Z J, Mantooth B A, Kelly K F 2001 Science 292 2303
[15] Tour J M, Wu R, Schummg S 1990 J. Am. Chem .Soc. 112 5662
[16] Tour J M, Jones L, Pearson D L 1995 J. Am. Chem .Soc. 117 9529
[17] Martin S, Haiss W, Higgins S J, Nichols R J 2010 Nano Lett. 10 2019
[18] Li X,He J, Hihath J, Xu B, Lindsay S M, Tao N 2006 J. Am.Chem. Soc. 128 2135
[19] Fu M D, Chen I W P, Lu H C, Kuo C T, Tseng W H, Chen C H 2007 J. Phys. Chem. C 111 11450
[20] Li C, Pobelov I, Wandlowski T, Bagrets A, Arnold A, Evers F 2008 J. Am. Chem. Soc. 130 318
[21] Fujihira M, Suzuki M, Fujii S 2006 Phys. Chem. Chem.Phys. 8 3876
[22] Haiss W, Martin S, Leary E, vanzalinge H, Higgins S J, Bouffier L, Nichols R J 2009 J. Phys. Chem. C 113 5823
[23] Chen F, Li X, Hihath J, Huang Z, Tao N 2006 J. Am. Chem. Soc. 128 15874
[24] Kamenetska M, Quek S Y, Whalley A C, Steigerwald M L, Choi H J, Louie S J, Nuckolls C, Hybertsen M S, Neaton J B, Venkataraman L 2010 J. Am. Chem. Soc.132 6817
[25] Ko C H, Huang M J, Fu M D, Chen C H 2010 J. Am. Chem. Soc. 132 756
[26] Wang C S, Batsanov A S, Bryce M R, Martin S, Nichols R J, Higgins S J, Lambert C J 2009 J. Am. Chem. Soc. 131 15647
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