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Based on the Nordholm's concept of Coulomb repulsive hole for plasma, a model of effective Coulomb potential is proposed to describe the charged fluids. Employing the classical density functional theory, the equilibrium structures of charged fluids confined in nano-cavities are calculated. Through the comparison with the numerical results, the effect of Coulomb correlation on the structure and excess adsorption is studied. In addition, the influence of Coulomb correlation on the structure is also calculated and studied under the condition of larger confinement. It is shown that the effective pair potential proposed here can be successfully used to predict the effects of Coulomb correlation on the structure and other physical chemical properties. Results obtained can provide some useful clues to the understanding of the correlation in other complex model potential system.
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Keywords:
- charged fluids /
- correlation effect /
- effective Coulomb potential /
- density functional theory
[1] Evans D F, Wennerström H 1994 The Colloidal Domain: Where Physics, Chemistry, Biology and Technology Meet (New York: Wiley-VCH) pp87-130
[2] Hansen J P, Löwen H 2000 Annual Rev. Phys. Chem. 51 209
[3] Zhong C, Chen Z Q, Yang W G, Xia H 2013 Acta Phys. Sin. 2013 62 214207 (in Chinese)[钟诚, 陈智全, 杨伟国, 夏辉 2013 物理学报 62 214207]
[4] Zhang C L, Kong W, Yang F, Liu S F, Hu B L 2013 Acta Phys. Sin. 2013 62 095201 (in Chinese)[张崇龙, 孔伟, 杨芳, 刘松芬, 胡北来 2013 物理学报 62 095201]
[5] Oosawa F 1968 Biopolymers 6 1633
[6] Guldbrand L, Jönsson B, Wennerström H, Linse P 1984 J. Chem. Phys. 80 2221
[7] Valleau J P, Ivkov R, Torrie G M 1991 J. Chem. Phys. 95 520
[8] Tang Z X, Scriven L E, Davis H T 1992 J. Chem. Phys. 97 9528
[9] Peng B, Yu Y X 2008 J. Phys. Chem. B 112 15407
[10] Peng B, Yu Y X 2008 Langmuir 24 12431
[11] Yu Y X 2009 J. Chem. Phys. 131 024704
[12] You F Q, Yu Y X, Gao G H 2005 J. Phys. Chem. B 109 3512
[13] Nordholm S 1984 Chem. Phys. Lett. 105 302
[14] Evans R 1979 Adv. Phys. 28 143
[15] Henderson D 1992 Fundamentals of Inhomogeneous Fluids, (New York: Dekker) pp85-175
[16] Hansen J P, McDonald I R 2006 Theory of Simple Liquids (London: Academic) pp55-57
[17] Kierlik E, Rosinberg M L 1990 Phys. Rev. A 42 3382
[18] Kroll D M, Laird B B 1990 Phys. Rev. A 42 4806
[19] Mulero A 2008 Theory and Simulation of Hard-Sphere Fluids and Related Systems (Berlin: Springer) pp248-253
[20] Zhou S Q 2008 Chin. Phys. B 17 3812
[21] Xiang Y T, Jamnik A, Yang K W 2010 Chin. Phys. B 19 110505
[22] Gillespie D, Nonner W, Eisenberg R S 2003 Phys. Rev. E 68 031503
[23] Peng B, Yu Y X 2009 J. Chem. Phys. 131 134703
[24] Wang K, Yu Y X, Gao G H 2008 J. Chem. Phys. 128 185101
[25] Yu Y X, Gao G H, Wang X L 2006 J. Phys. Chem. B 110 14418
[26] Harnau L, Dietrich S 2005 Phys. Rev. E 71 011504
[27] Esztermann A, Reich H, Schmidt M 2006 Phys. Rev. E 73 011409
[28] Zhou S Q, Sun H W 2005 J. Phys. Chem. B 109 6397
[29] Velasco E, Mederos L, Sullivan D E 2002 Phys. Rev. E 66 021708
[30] Cinacchi G, Schmid F 2002 J. Phys.: Condens. Matter 14 12223
[31] Rosenfeld Y 1989 Phys. Rev. Lett. 63 980
[32] Forsman J 2004 J. Phys. Chem. B 108 9236
[33] Yu Y X, Wu J Z 2002 J. Chem. Phys. 117 10156
[34] Yu Y X, Wu J Z 2002 J. Chem. Phys. 116 7094
[35] Yu Y X, Wu J Z 2002 J. Chem. Phys. 117 2368
[36] Sun Z L, Kang Y S 2012 Chin. Phys. B 21 066103
-
[1] Evans D F, Wennerström H 1994 The Colloidal Domain: Where Physics, Chemistry, Biology and Technology Meet (New York: Wiley-VCH) pp87-130
[2] Hansen J P, Löwen H 2000 Annual Rev. Phys. Chem. 51 209
[3] Zhong C, Chen Z Q, Yang W G, Xia H 2013 Acta Phys. Sin. 2013 62 214207 (in Chinese)[钟诚, 陈智全, 杨伟国, 夏辉 2013 物理学报 62 214207]
[4] Zhang C L, Kong W, Yang F, Liu S F, Hu B L 2013 Acta Phys. Sin. 2013 62 095201 (in Chinese)[张崇龙, 孔伟, 杨芳, 刘松芬, 胡北来 2013 物理学报 62 095201]
[5] Oosawa F 1968 Biopolymers 6 1633
[6] Guldbrand L, Jönsson B, Wennerström H, Linse P 1984 J. Chem. Phys. 80 2221
[7] Valleau J P, Ivkov R, Torrie G M 1991 J. Chem. Phys. 95 520
[8] Tang Z X, Scriven L E, Davis H T 1992 J. Chem. Phys. 97 9528
[9] Peng B, Yu Y X 2008 J. Phys. Chem. B 112 15407
[10] Peng B, Yu Y X 2008 Langmuir 24 12431
[11] Yu Y X 2009 J. Chem. Phys. 131 024704
[12] You F Q, Yu Y X, Gao G H 2005 J. Phys. Chem. B 109 3512
[13] Nordholm S 1984 Chem. Phys. Lett. 105 302
[14] Evans R 1979 Adv. Phys. 28 143
[15] Henderson D 1992 Fundamentals of Inhomogeneous Fluids, (New York: Dekker) pp85-175
[16] Hansen J P, McDonald I R 2006 Theory of Simple Liquids (London: Academic) pp55-57
[17] Kierlik E, Rosinberg M L 1990 Phys. Rev. A 42 3382
[18] Kroll D M, Laird B B 1990 Phys. Rev. A 42 4806
[19] Mulero A 2008 Theory and Simulation of Hard-Sphere Fluids and Related Systems (Berlin: Springer) pp248-253
[20] Zhou S Q 2008 Chin. Phys. B 17 3812
[21] Xiang Y T, Jamnik A, Yang K W 2010 Chin. Phys. B 19 110505
[22] Gillespie D, Nonner W, Eisenberg R S 2003 Phys. Rev. E 68 031503
[23] Peng B, Yu Y X 2009 J. Chem. Phys. 131 134703
[24] Wang K, Yu Y X, Gao G H 2008 J. Chem. Phys. 128 185101
[25] Yu Y X, Gao G H, Wang X L 2006 J. Phys. Chem. B 110 14418
[26] Harnau L, Dietrich S 2005 Phys. Rev. E 71 011504
[27] Esztermann A, Reich H, Schmidt M 2006 Phys. Rev. E 73 011409
[28] Zhou S Q, Sun H W 2005 J. Phys. Chem. B 109 6397
[29] Velasco E, Mederos L, Sullivan D E 2002 Phys. Rev. E 66 021708
[30] Cinacchi G, Schmid F 2002 J. Phys.: Condens. Matter 14 12223
[31] Rosenfeld Y 1989 Phys. Rev. Lett. 63 980
[32] Forsman J 2004 J. Phys. Chem. B 108 9236
[33] Yu Y X, Wu J Z 2002 J. Chem. Phys. 117 10156
[34] Yu Y X, Wu J Z 2002 J. Chem. Phys. 116 7094
[35] Yu Y X, Wu J Z 2002 J. Chem. Phys. 117 2368
[36] Sun Z L, Kang Y S 2012 Chin. Phys. B 21 066103
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