Yun Liu

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Dr. Yun Liu is a material physicist in the SANS group at NIST Center for Neutron Research and a research assistant professor at the Department of Chemical Engineering at University of Delaware.

RESEARCH INTERESTS:  

• Structure and dynamics of colloidal systems, such as nucleation/clusterization in colloidal and biological molecular assembly systems, ion/counterion association in polyelectrolyte solution, and colloidal interactions.
• Interaction of small molecules on the surface or porous media, such as hydrogen storage, green-house gas capture, molecular recognition based on surface selection, molecular sieving, small molecule dynamics on functionalized surface.
• Water structure and dynamics in nano-porous systems, such as fuel cell membranes.

Recent publications:

1)Baoshan Huang, Yang Zhang, Xiang Shu, Yun Liu, Dayakar Penumadu, X. Philip Ye, "Neutron Scattering for Moisture Detection in Foamed Asphalt", Journal of Materials in Civil Engineering, in press (2013).

2)Y. Liu*, C. M. Brown, D. A. Neumann, D. B. Geohegan, A. A. Puretzky, C. M. Rouleau, H. Hu, D. Styers-Barnett, P. O. Krasnov, B. I. Yakobson, "Metal-assisted hydrogen storage on Pt-decorated single-walled carbon nanohorns", Carbon 50, 4953-4964(2012).

3)C. Y. Shew, C. Do, K. Hong, Y. Liu, L. Porcar, G. Smith, W. R. Chen, "Conformational effect on small angle neutron scattering behavior of interacting polyelectrolyte solutions: a perspective of integral equation theory", J. Chem. Phys. 137, 024907(2012).

4)B. Wu, W. R. Chen, T. Egami, X. Li, Y. Liu, Y. Wang, C. Do, L. Porcar, K. Hong, L. Liu, G. Smith, S. Smith, "Molecular dynamics and neutron scattering study of the dependence of polyeletrolyte dendrimer conformation on counterion behavior", accepted, J. Chem. Phys. (2012).

5)B. Wu, B. Kerkeni, T. Egami, C. Do, Y. Liu, Y.M. Wang, L. Porcar, K. L. Hong, S. C. Smith, E. L. Liu, G. S. Smith, W. R. Chen, "Structured water in polyelectrolyte dendrimers: Understanding small angle neutron scattering results through atomistic simulation", J. Chem. Phys. 136, 144901 (2012).

6)P. Falus, L. Porcar, E. Fratini, W. R. Chen, A. Faraone, K. Hong, P. Baglioni, Y. Liu*, "Distinguishing the monomer to cluster phase transition in concentrated lysozyme solutions by studying the temperature dependence of the short-time dynamics", J. Phys. Condensed Matter 24, 064114(2012).

7)Xin Li, Bin Wu, Yun Liu, Roger Pynn, Chwen-Yang Shew, Gregory S. Smith, Kenneth W. Herwig, J. Lee Robertson, Wei-Ren Chen, Li, Liu, "Contrast variation in spin-echo small angle neutron scattering", J. Phys.: Condens. Matter 24, 064115(2012).

8)Kunlun Hong, Yun Liu, Lionel Porcar, Dazhi Liu, Carrie Y. Gao, Gregory S. Smith, Kenneth W. Herwig, Sheng Cai, Xin Li, Bin Wu, Wei-Ren Chen, Li Liu , "Structural response of polyelectrolyte dendrimer towards molecular protonation: the inconsistency revealed by SANS and NMR", J. Phys.: Condens. Matter 24, 064116 (2012).