Korean Journal of Chemical Engineering, Vol.34, No.6, 1834-1839, June, 2017
Development of osmotic repulsive potential using lattice fluid model on ligand capped metallic nanoparticles in gas expanded liquid system
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Not only obtaining nano-sized particles, but controlling mono-dispersed nanoparticles has been regarded as one of the important techniques to employ nano-engineering in many disciplines. To fractionate the nanoparticles synthesized, the gas expanded liquid system (GXLs) has proven to be very useful and effective. Many researchers considered the total interaction energy model comprised as a summation of van der Waals attractive potential, the elastic repulsive potential, and the osmotic repulsive potential as a promising thermodynamic model. In previous models, osmotic contribution was modeled based on the rigid lattice model. Consequently, it was impossible to consider the effect of pressure on GXL operation because osmotic repulsive potential based on rigid lattice modal intrinsically could not reflect the pressure influence. We applied a lattice fluid model in the presence of holes to derive better osmotic repulsive potential. Thus, the effect of pressure on nanoparticle synthesis in GXL process has been successfully investigated. A nanoparticle size predicted using this improved model is in a better agreement to that obtained experimentally.
- Subramaniam B, Coord. Chem. Rev., 254, 1843 (2010)
- Golmakani MT, Mendiola JA, Rezaei K, Ibanez E, J. Supercrit. Fluids, 62, 109 (2012)
- Shieh YT, Yang HS, J. Supercrit. Fluids, 33(2), 183 (2005)
- McLeod MC, Anand M, Kitchens CL, Roberts CB, Nano Lett., 5, 461 (2005)
- Saunders SR, Roberts CB, Current Opinion in Chem. Eng., 1, 91 (2012)
- Kitchens CL, McLeod MC, Roberts CB, J. Phys. Chem. B, 107(41), 11331 (2003)
- Shah PS, Holmes JD, Doty RC, Johnston KP, Korgel BA, J. Am. Chem. Soc., 122(17), 4245 (2000)
- Kitchens CL, Roberts CB, Ind. Eng. Chem. Res., 43(19), 6070 (2004)
- Shah PS, Holmes JD, Johnston KP, Korgel BA, J. Phys. Chem. B, 106(10), 2545 (2002)
- Lee SY, Lee MH, Park Y, You SS, Ind. Eng. Chem. Res., 52(4), 1705 (2013)
- Anand M, You SS, Hurst KM, Saunders SR, Kitchens CL, Ashurst WR, Roberts CB, Ind. Eng. Chem. Res., 47(3), 553 (2008)
- Kumar SK, Suter UW, Reid RC, Ind. Eng. Chem. Res., 26, 2532 (1987)
- You SS, Yoo KP, Lee CS, Fluid Phase Equilib., 93, 193 (1994)
- Yoo KP, Kim H, Lee CS, Korean J. Chem. Eng., 12(3), 277 (1995)
- Kwon CH, Lee CH, Kang JW, Korean J. Chem. Eng., 27(1), 278 (2010)
- Napper DH, Polymeric Stabilization of Colloidal Dispersions, Academic Press, New York (1983).
- White GV, Kitchens CL, J. Phys. Chem. C, 114, 16285 (2010)
- Anand M, McLeod MC, Bell PW, Roberts CB, J. Phys. Chem. B, 109(48), 22852 (2005)