controlled/living polymerization, directed assembly, block copolymer lithography, biodegradable polymers

2001-2006 PhD，Polymer Chemistry 
University of Minnesota, Department of Chemistry
Advisors: Professors Thomas Hoye and Christopher Macosko

1998-2001 MS，Polymer Chemistry and Physics
Institute of Chemistry, Chinese Academy of Sciences

1994-1998 BS，Marine Chemistry 
Ocean University of China

2011-present  Professor
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences

2006-2008 postdoc
2009-2010 assistant scientist
University of Wisconsin-Madison, Department of Chemical & Biological Engineering (Advisor: Professor Paul Nealey)

2008 GRC Inventor Recognition Award, Semiconductor Research Corporation

   

1. Ji, S.; Nagpal, U.; Liao, W.; de Pablo, J. J.; Nealey, P. F. “Three-dimensional Directed Assembly of Block Copolymers together with Two-dimensional Square and Rectangular Nanolithography”, Advanced Materials, 2011, 23, accepted.

2. Ji, S.; Liu, C.; Liao, W.; Fenske, A. L.; Craig, G. S. W.; Nealey, P. F. “Domain Orientation and Grain Coarsening in Cylinder-Forming Poly(styrene-b-methyl methacrylate) Films”, Macromolecules, 2011, 44, 4291-4300.

3. Ji, S.; Liao, W.; Nealey, P. F. “Block Cooligomers: A Generalized Approach to Controlling the Wetting Behaviors of Block Copolymer Thin Films”. Macromolecules 2010, 43, 6919-6922.

4. Ji, S.; Liu, C.; Liu, G.; Nealey, P. F. “Molecular Transfer Printing Using Block Copolymers”, ACS Nano 2010, 4, 599-609. (with perspective, interview, and news coverage)

5. Ji, S.; Zhu, Z.; Hoye, T. R.; Macosko, C. W. “Maleimide Functionalized Poly(e-caprolactone)-b-poly(ethylene glycol) (PCL-PEG-MAL): Synthesis, Nanoparticle Formation, and Thiol Conjugation”, Macromolecular Chemistry and Physics 2009, 210, 823-831.

6. Ji, S.; Liu, C.; Son, J.-G.; Gotrik, K.; Craig, G. S. W.; Gopalan, P.; Himpsel, F. J.; Char, K. Nealey, P. F. “Generalization of the Use of Random Copolymers to Control the Wetting Behaviors of Block Copolymer Films”, Macromolecules 2008, 41, 9098-9103.

7. Ji, S.; Liu, G.; Zheng, F.; G. S. W. Craig; Himpsel, F. J.; Nealey, P. F. “Preparation of Neutral Wetting Brushes for Block Copolymer Films from Homopolymer Blends”, Advanced Materials 2008, 20, 3054-3060.

8. Ji, S.; Hoye, T. R.; Macosko, C. W. “Diamino Telechelic Polybutadienes for Solventless Styrene-butadiene-styrene (SBS) Triblock Copolymer Formation”, Polymer 2008, 49, 5307-5313.

9. Ji, S.; Hoye, T. R.; Macosko, C. W. “Primary Amine (-NH2) Quantification in Polymers: Functionality by 19F NMR Spectroscopy”, Macromolecules 2005, 38, 4679-4686.

10. Ji, S.; Hoye, T. R.; Macosko, C. W. “Controlled Synthesis of High Molecular Weight Telechelic Polybutadienes by Ring-Opening Metathesis Polymerization”, Macromolecules 2004, 37, 5485-5489.

1. Nealey, P. F.; Ji, S. “Molecular Transfer Printing Using Block Copolymers”, US 2009/0260750. 

2. Nealey, P. F.; Ji, S. “Molecular Transfer Printing Using Block Copolymers”, WO 2009/146086.

3. 季生象,张建斌,陈宁,张苕, “一种可控孔径官能化交联高分子树脂微球的制备方法”, CN101885891.

4. 季生象,张建斌,陈宁,张苕,“一种官能化交联高分子树脂微球的制备方法”, CN101880348.

5. Nealey, P. F.; Ji, S. “Improved Patterning in the Directed Assembly of Block Copolymers Using Triblock or Multi-block Copolymers”, Patent invention disclosure, Wisconsin Alumni Research Foundation, 2011.

6. Nealey, P. F.; Ji, S. “Square and Rectangular Arrays from Directed Assembly of Sphere-forming Diblock Copolymers”, Patent invention disclosure, Wisconsin Alumni Research Foundation, 2011.

7. Ji, S.; Nealey, P. F. “Fabrication of sub-10 nm nanostructures by directed assembly of poly(styrene-b-lactic acid) block copolymer films”, Patent invention disclosure, Wisconsin Alumni Research Foundation, 2011.