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Dr. Xiaopeng Li - Assistant Professor


Contact Information

Office:  CHEM 309

Phone:  (512) 245-3119

Fax:  (512) 245-2374

email:  x_l8@txstate.edu

Educational Background

  • B.S., Chemistry, Zhengzhou University (Zhenzhou, China) 2004
  • Ph.D., Chemistry, Cleveland State University (Cleveland, OH) 2008
  • Postdoctoral Fellow, University of Akron (Akron, OH) 2009-2012

Areas of Interest

  • Supramolecular Chemistry
  • Polymers
  • Mass Spectrometry

Related Web Sites

Li Research Group Webpage





Research in the Li Group

The past few decades have seen a significant growth in the field of supramolecular chemistry. These supramolecular structures created by non-covalent interaction possess self-healing abilities, high physical performance while maintaining processibility, recyclability scenarios, and stimulus-responsive behavior. Our research is focused on metal-mediated supramolecular chemistry to construct a series of 2D and 3D architectures with precise shapes and sizes. Our specific research interests include:

  1. Design, synthesis and self-assembly of the core structures of supramolecules. Typically, these giant 2D or 3D structures have molecular weights more than 10,000 Da.
  2. Incorporating polymers chains into supramolecular core through either pre- or post-assembly modification.
  3. Characterization of supramolecules using mass spectrometry, e.g., Matrix-Assisted Laser Desorption/Ionization (MALDI),  Electrospray Ionization (ESI), and Ion Mobility-Mass Spectrometry (IM-MS).

Fundamental advances in synthesis, self-assembly, and characterization of metallo-supramolecules will advance the design of supramolecules, and ultimately allow predictable incorporation of desired properties and functionality into supramolecular architectures with molecular level precision.  

Figure1 Figure2 Figure3


Recent Publications

Chao Wang, Xin-Qi Hao, Ming Wang,* Cunlan Guo, Bingqian Xu, Eric N. Tan, Yan-Yan Zhang, Yihua Yu, Zhong-Yu Li, Hai-Bo Yang, Mao-Ping Song, Xiaopeng Li.*  Self-assembly of giant supramolecular cubes with terpyridine ligands as vertices and metals on edges. Chem. Sci., 2014, 5, 1221-1226.  Link to Article

Robert A. Rogers, Allison R. Rodier, Jake A. Stanley, Nick A. Douglas, Xiaopeng Li,* William J. Brittain.* A study of the spiropyran-merocyanine system using ion mobility-mass spectrometry: experimental support for the cisoid conformation. Chem. Commun., 2014,DOI: 10.1039/C3CC47697A.  Link to Article

Jiang-Kun Ou-Yang, Yan-Yan Zhang, Meng-Lan He, Jiang-Tao Li, Xiaopeng Li,* Xiao-Li Zhao, Cui-Hong Wang, Yihua Yu, De-Xian Wang, Lin Xu, Hai-Bo Yang.* Unexpected self-assembly of chiral triangles from 90° chiral di-Pt(II) acceptors.Org. Lett.,2014,16, 664–667.  Link to Article

Xiaocun Lu, Xiaopeng Li, Yan Cao, Anthony Schultz, Jin-Liang Wang, Charles N. Moorefield, Chrys Wesdemiotis,* Stephen Z. D. Cheng, George R. Newkome.* Self-assembly of a supramolecular, three-dimensional, spoked, bicycle-like wheel. Angew. Chem. Int. Ed.,2013, 52, 7728–7731.  Link to Article

Anthony Schultz, Xiaopeng Li, Balaka Barkakaty, Charles N. Moorefield, Chrys Wesdemiotis,* George R. Newkome.* Stoichiometric self-Assembly of isomeric, shape-persistent, supramacromolecular bowtie and butterfly structures.  J. Am. Chem. Soc., 2012, 134, 7672-7675Link to Article

Xiaopeng Li, Li Guo, Madalis Casiano-Maldonad, Donghui Zhang, Chrys Wesdemiotis.* Top-down multi-dimensional mass spectrometry methods for synthetic polymer analysis. Macromolecules, 2011, 44, 4555–4564Link to Article

Xiaopeng Li, Yi-Tsu Chan, Madalis Casiano-Maldonad, Jing Yu, Gustavo A. Carri, George R. Newkome,* Chrys Wesdemiotis.* Separation and characterization of metallosupramolecular libraries by ion mobility mass spectrometry. Anal. Chem., 2011, 83, 6667–667.  Link to Article

Yi-Tsu Chan, Xiaopeng Li, Jing Yu, Gustavo A. Carri, Charles N. Moorefield, George R. Newkome,* Chrys Wesdemiotis.* Design, synthesis, and traveling wave ion mobility mass spectrometry characterization of iron(II)– and ruthenium(II)–terpyridine metallomacrocycles. J. Am. Chem. Soc., 2011, 133, 11967-11976Link to Article

Jin-Liang Wang, Xiaopeng Li, Xiaocun Lu, I-Fan Hsieh, Yan Cao, Charles N. Moorefield, Chrys Wesdemiotis,*  Stephen Z. D. Cheng, George R. Newkome.* Stoichiometric self-Assembly of shape-persistent 2D complexes: a facile route to a symmetric, supramacromolecular spoked wheel. J. Am. Chem. Soc., 2011, 133, 11450-11453.  Link to Article

Xiaopeng Li, Yi-Tsu Chan, George R. Newkome,* Chrys Wesdemiotis.* Gradient tandem mass spectrometry interfaced with ion mobility separation for the characterization of supramolecular architectures. Anal. Chem., 2011, 83, 1284–1290.  Link to Article

Xinfei Yu, Sheng Zhong, Xiaopeng Li, Yingfeng Tu, Shuguang Yang, Ryan M. Van Horn, Chaoying Ni, Darrin J. Pochan, Roderic P. Quirk, Chrys Wesdemiotis, Wen-Bin Zhang, Stephen Z. D. Cheng. A giant surfactant of polystyrene−(carboxylic acid-functionalized polyhedral oligomeric silsesquioxane) amphiphile with highly stretched polystyrene tails in micellar assemblies. J. Am. Chem. Soc., 2010, 132, 16741-16744.  Link to Article

Sujith Perera, Xiaopeng Li, Monica Soler, Chrys Wesdemiotis,* Charles N. Moorefield, George R. Newkome.* Hexameric terpyridinyl-Pd(II) metallomacrocycles: assembly with 4,4′-bipyridine and characterization by TWIM-mass spectrometry. Angew. Chem. Int. Ed., 2010, 49, 6539-6544.  Link to Article

Yi-Tsu Chan, Xiaopeng Li, Monica Soler, Jin-Liang Wang, Chrys Wesdemiotis,* George R. Newkome.* Self-assembly and traveling wave ion mobility mass spectrometry analysis of hexacadmium macrocycles. J. Am. Chem. Soc., 2009, 131, 16395–16397.  Link to Article