Yi-Xin Liu

Department of Macromolecular Science
Fudan University
Chemistry Bldg. Room B3083, 2005 Songhu Rd.
Shanghai, 200438, China
Mobile: (+86) 13916819745
Email: lyx@fudan.edu.cn; liuyxpp@gmail.com
Academic Homepage: http://www.ngpy.org

Research Interests


  • Static and dynamic properties of complex fluids, e.g. biological macromolecules (DNA, protein), polyelectrolytes, block copolymers, and polymer brushes in bulk or under confinements.

  • Numerical algorithms for polymer self-consistent field theory, molecular dynamics simulation, Monte Carlo simulation, and phase field simulation.

  • Thin and ultrathin film polymer crystallization.

Research Experience


Lecturer, 2012 - present
Fudan University, Department of Macromolecular Science

  • Directed self-assembly of block copolymers under soft confinements: nanostructures design and the mechanism of defect removal.

  • Developing highly efficient numerical algorithms for self-assembly of block copolymers in bulk and under soft confinements.

Visiting Researcher, 2014 - 2016
University of California, Santa Barbara, Materials Research Laboratory

  • Field-theoretic simulations of polymeric materials.

  • Developing a density functional model for polymeric systems.

Postdoctoral Research Fellow, 2009 - 2012
Fudan University, Department of Macromolecular Science

  • Developed high performance numerical methods for studying the equilibrium phase separation structures of charged block copolymers.

  • Monte Carlo simulations on the nucleation and growth process in thickening of monolayer PEO crystals in ultrathin films.

Ph.D. Candidate, 2004 - 2009
Peking University, College of Chemistry and Molecular Engineering

  • Phase field simulations on morphological evolution of monolayer poly(ethylene oxide) (PEO) crystals.

  • Experimental studies on the nucleation, growth, and thickening of monolayer PEO crystals in ultrathin films using in-situ atomic force microsocpy (AFM).

Undergraduate Student, 2003 - 2004
Nanjing University, School of Chemistry and Chemical Engineering

  • Synthesized three amphiphilic ligands and their complexes with Cu^2+.

  • Computed surface properties of supported catalysts using Gaussian 98.

Teaching


  • Polymer Physics (2014, 2017, 2018)

  • Introduction to Polymeric Materials (2016, 2017)

Education


Peking University, Beijing, 2004 - 2009
Ph.D. in Polymer Chemistry and Physics, Jun, 2009
Disertation: Phase Selection Pathways and Morphological Evolution in Polymer Crystallization: An Experimental and Theoretical Study on Low Molecular Weight Poly(ethylene oxide) Fractions
Advisor: Prof. Er-Qiang Chen

Nanjing University, Nanjing, 2000 - 2004
BS in Chemistry, Jun, 2004
Thesis: Synthesis and characterization of Amphiphilic Ligands and Its Complexes with Metal Ions
Advisor: Prof. Wei-Jiang He

Research Grants


  • Young Scientists Fund of the National Natural Science Foundation of China (NNSFC) (Principle Investigator, No. 21004013, 2011.1-2013.12).

  • Shanghai Postdoctoral Scientific Program (Principle Investigator, No. 11R21411400, 2011.1-2011.12).

  • National Basic Research Program of China (No. 2011CB605701, 2013.1-2015.12).

Honors and Awards


  • Visiting Scholar (China Scholar Council, No. 201406105018, 2014).

  • Dongkong Scholarship for Graduates (Peking University, 2008)

  • Student Award of Merit (Peking University, 2008)

  • Renming Scholarship (Nanjing University, 2000, 2001, 2002, 2003)

Professional Memberships and Activities


  • Referee: Polymer, Review of Scientific Instruments, Chinese Physics B

  • Member, American Physical Society (2013, 2014)

Computational Experience


  • Programming: Python, C/C++, Parallel Programming (MPI, GPU/CUDA), Matlab, HTML/CSS, LaTeX.

  • Working experience with Linux, tensorflow, numpy/scipy, fftw, armadillo, blitz++, matplotlib.

  • Open source projects: polyorder - gyroid - ngpy - chebpy - mpltex

Technical Experience


TEM Administrator, 2009 - 2012
Fudan University, Department of Macromolecular Science

  • Assisted the engineer from FEI company to install FEI Technai G2 20 Twin with cryo, low dose, and 3D tomography.

  • Wrote the lab mannual for operating TEM.

AFM Administrator, 2006 - 2009
Peking University, College of Chemistry and Molecular Engineering

  • Developed a user management system for controlling AFM.

  • Developed software toolkits to analyze AFM images.

  • Trained more than 20 users, including faculties, staffs, and graduate students.

Publications


Please visit my publication list.



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