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Wei You

Professor

University of North Carolina at Chapel Hill, Department of Chemistry
125 South Rd., Chapel Hill, NC 27599

About

B.S. Chemistry, University of Science and Technology of China (1999); Ph.D. Organic/Polymer Chemistry, University of Chicago (2004); Postdoctoral Fellow, Stanford University (2004-2006).

Research interests

We believe that, given the interdisciplinary nature of our research projects, it is rather difficult – and unnecessary – to put a specific label on individual projects. In terms of applications, we are researching solar cells, electronic/spintronic devices, dental/bone repair, and cancer treatment, among others. The materials we are actively developing include conjugated organic/polymers, biocompatible polymers, traditional polymers, and inorganic/organic hybrids. Our strengths are in chemistry, including design and synthesis of organic molecules and polymers, and exploring new polymerization methodologies. Our mission is to apply innovative approaches to develop novel materials for practical applications. In the process, we strive to discover fundamental governing principles via rigorous structure-property analysis. Given the complex nature of many research projects in our portfolio, we have built a number of long-term collaborations with research groups world-wide. Together with our collaborators, we are actively exploring new territories and push the boundaries in individual fields.

Select Publications | Complete List Of Publications

N. Bauer, Q. Zhang, J. Zhao, L. Ye, J.-H. Kim, I. Constantinou, L. Yan, F. So, H. Ade, H. Yan, and W.You., Comparing Non-Fullerene Acceptors with Fullerene in Polymer Solar Cells: A Case Study,  J. Mater. Chem. A,  5, 4886 (2017). link

S. Dai, F. Zhao, Q. Zhang, T.-K. Lau, T. Li, K. Liu, Q. Ling, C. Wang, X. Lu, W. You, and X. Zhan., Fused Nonacyclic Electron Acceptors for Efficient Polymer Solar Cells,  J. Am. Chem. Soc.,  139, 1336 (2017). link

M. A. Kelly, S. Roland, Q. Zhang, Y. Lee, B. Kabius, Q. Wang, E. D. Gomez, D. Neher, and W. You., Incorporating Fluorine Substitution into Conjugated Polymers for Solar Cells: Three Different Means, Same ResultsJ. Phys. Chem. C.,121 (4), 2059 (2017). link

S. Xiao, Q. Zhang, and W. You., Molecular Engineering of Conjugated Polymers for Solar Cells: An Updated Report, Adv. Mater., DOI:10.1002/adma.201601391, (2007). link

M. Ghasemi, L. Ye, Q. Zhang, L. Yan, J.-H. Kim, O. Awartani, W. You, A. Gadisa, and H. Ade, Panchromatic Sequentially Cast Ternary Polymer Solar Cells, Adv. Mater. 29, 1604603 (2017). link

H. Hu, J. C. Dyke, B. A. Bowman, C.-C. Ko, and W. You, Investigation of Dopamine Analogues: Synthesis, Mechanistic Understanding, and Structure–Property Relationship, Langmuir, 32, 9873 (2016). link

Y. Jiang, S. Xiao,* B. Xu, C. Zhan, L. Mai, X. Lu, and W. You, Enhancement of Photovoltaic Performance by Utilizing Readily Accessible Hole Transporting Layer of Vanadium(V) Oxide Hydrate in a Polymer−Fullerene Blend Solar Cell, ACS Appl. Mater. Interfaces 8, 11658 (2016). link

Q. Zhang, M. A. Kelly, A. Hunt, H. Ade, and W. You, Comparative Photovoltaic Study of Physical Blending of Two Donor−Acceptor Polymers with the Chemical Blending of the Respective Moieties, Macromolecules 49, 2533 (2016). link

R. C. Bruce, R. Wang, J. Rawson, M. J. Therien,* and W. You, Valence Band Dependent Charge Transport in Bulk Molecular Electronic Devices Incorporating Highly Conjugated Multi-[(Porphinato)Metal] Oligomers, J. Am. Chem. Soc. 138, 2078 (2016). link

B. R. Gautam, R. Younts, W. Li, L. Yan, E. Danilov, E. Klump, I. Constantinou, F. So, W. You, H. Ade , and K. Gundogdu, Charge Photogeneration in Organic Photovoltaics: Role of Hot versus Cold Charge-Transfer Excitons, Adv. Energy Mater. 6, 1301032 (2015). link

W. Li, L. Yan, H. Zhou, and W. You, A General Approach toward Electron Deficient Triazole Units to Construct Conjugated Polymers for Solar Cells, Chem. Mater., 27, 6470 (2015). link

L. Lu, M. A. Kelly, W. You, and L. Yu, Status and prospects for ternary organic photovoltaics, Nature Photon.  9, 491 (2015). link

L.-H. Wang, Z.-D. Zhang, C.-Y. Hong, X.-H. He, W. You, and Y.-Z. You, Anion–Dipole Interactions Make the Homopolymers Self-Assemble into Multiple Nanostructures, Adv. Mater. 27, 3202 (2015). link

J. Rawson, A. C. Stuart, W. You,* and M. J. Therien, Tailoring Porphyrin-Based Electron Accepting Materials for Organic Photovoltaics, J. Am. Chem. Soc. 136, 17561 (2014). link

J. C. Dyke, H. Hu, D. J. Lee, C.-C. Ko, and W. You, The role of temperature in forming sol–gel biocomposites containing polydopamine, J. Mater. Chem. B, 2, 7704 (2014). link

J. R. Tumbleston, B. A. Collins, L. Yang, A. C. Stuart, E. Gann, W. Ma, W. You, and H. Ade, The influence of molecular orientation on organic bulk heterojunction solar cells, Nature Photon. 8, 385 (2014). Cover of Issue 5, Volume 8 of Nature Photonics. link

L. Yan, and W. You, Real Function of Semiconducting Polymer in GaAs/Polymer Planar Heterojunction Solar Cells, ACS Nano 7, 6619 (2013). link

A. C. Stuart, J. R. Tumbleston, H. Zhou, W. Li, S. Liu, H. Ade, and W. You, Fluorine Substituents Reduce Charge Recombination and Drive Structure and Morphology Development in Polymer Solar Cells, J. Am. Chem. Soc. 135, 1806 (2013). link

J. C. Dyke, K. J. Knight, H. Zhou, C.-K. Chiu, C.-C. Ko, and W. You, An Investigation of Siloxane Cross-Linked Hydroxyapatite–Gelatin/Copolymer Composites for Potential Orthopedic Applications, J. Mater. Chem., 22, 22888 (2012). link

L. Yang, H. Zhou, S. C. Price, and W. You, Parallel-like Bulk Heterojunction Polymer Solar Cells, J. Am. Chem. Soc. 134, 5432 (2012). link

R. L. Uy, L. Yang, H. Zhou, S. C. Price, and W. You, Improved Synthesis of Thienothiazole and Its Utility in Developing Polymers for Photovoltaics, Macromolecules 44, 9146 (2011). link

S. C. Price, A. C. Stuart, L. Yang, H. Zhou, and W. You, Fluorine Substituted Conjugated Polymer of Medium Band Gap Yields 7% Efficiency in Polymer-Fullerene Solar Cells, J. Am. Chem. Soc. 133, 4625 (2011). link

H. Zhou, L. Yang, S. C. Price, K. J. Knight, and W. You, Enhanced Photovoltaic Performance of Low Band Gap Polymers with Deep LUMO Levels, Angew. Chem., Int. Ed. 49, 7992 (2010). link

J. R. Niskala, and W. You, Metal-Molecule-Metal Junctions via PFPE Assisted Nanotransfer Printing (nTP) onto Self-Assembled Monolayers, J. Am. Chem. Soc. 131, 13202 (2009). link

S. Liu, A. L. Briseno, S. C. B. Mannsfeld, W. You, J. Locklin, H. W. Lee, Y. Xia, and Z.n Bao., Selective crystallization of organic semiconductors on patterned templates of carbon nanotubes, Adv. Funct. Mater. 17, 2891 (2007). link

G. M. Morales, P. Jiang, S. Yuan, Y. Lee, A. Sanchez, W. You, and L. Yu, Inversion of the Rectifying Effect in Diblock Molecular Diodes by Protonation, J. Am. Chem. Soc. 127, 10456 (2005). link

W. You, L. Wang, Q. Wang and L. Yu, Synthesis and Structure/Property Correlation of Fully Functionalized Photorefractive Polymers, Macromolecules 35, 4636 (2002). link

Honors & Awards

“Excellent Student Fellowship (First Prize)” from University of Science and Technology of China, Hefei, Anhui, P. R. China, (1995); “Panasonic Scholarship” from University of Science and Technology of China, Hefei, Anhui, P. R. China, (1996); “P&G Scholarship” from University of Science and Technology of China, Hefei, Anhui, P. R. China, (1997); “Excellent Student Fellowship (Third Prize)” from University of Science and Technology of China, Hefei, Anhui, P. R. China, (1998); “Excellent Thesis of USTC (Year 1999)” from University of Science and Technology of China, Hefei, Anhui, P. R. China, (1999); “Outstanding Leadership and Dedication,” recognized by Consulate General of the People’s Republic of China in Chicago, (2002); “Excellence in Graduate Polymer Research,” American Chemical Society 228th National Meeting, (2004); DuPont Science and Engineering Grant, (2007-2008);DuPont Young Professor Award, (2008-2010); R.J. Reynolds Junior Faculty Development Award, (2008-2009); NSF CAREER Award, (2010-2015); Tanner Award for Excellence in Undergraduate Teaching, (2011); Camille Dreyfus Teacher-Scholar Award, (2011); Camille Dreyfus Teacher-Scholar Award, (2011); CAPA Distinguished Junior Faculty Award, (2012); Two publications were in “the hottest research of 2011” by Thomas Reuters, (2012); One publication was selected as one of the top 9 articles out of 1300+ for “Best of Macromolecular Journals 2012” by Wiley, (2013); Ruth and Phillip Hettleman Prize for Artistic and Scholarly Achievement, (2013).