Associate Professor
Office: E6 2016
Phone: 519-888-4567 ext. 31105
Email: Yuning.Li@uwaterloo.ca
Degrees: BS,
MS, Dalian University of Technology, China; PhD, Japan Advanced Institute of Science and Technology, Japan
Design and molecular engineering of organic/polymer semiconductors for organic electronics:
Organic thin film transistors (OTFTs)
Polymer bulk-heterojunction photovoltaics (OPV)
Small molecule-based OPV
Dye-sensitized solar cells (DSC)
Organic light-emitting diodes (OLEDs)
Chemical/biosensors and photo-detectors
Low temperature-processable conductive inks:
Metal nanoparticle inks for printing highly conductive features on plastic substrates
Solution processable transparent conductors to replace expensive indium-tin-oxide (ITO)
Design, fabrication, and characterization of organic electronics (in collaboration with the Department of Electrical and Computer Engineering)
OTFTs and their logic circuits for e-paper, displays, sensors, etc.
DSC on plastic substrates
Stacked/tandem organic solar cells
Selected References
Li, Y.; Sonar, P.; Singh, S. P.; Soh, M. S.; van Meurs, M.; Tan, J. “Annealing-Free High Mobility Diketopyrrolopyrrole-Quaterthiophene Copolymer for Solution-Processed Organic Thin Film Transistors” J. Am. Chem. Soc. in press.
Sonar, P.; Singh, S. P.; Li, Y.; Soh, M. S.; Dodabalapur, A. “A Low Band Gap Diketopyrrolopyrrole-benzothiadiazole-based Copolymer for High Mobility Ambipolar Organic Thin Film Transistors” Adv. Mater. 2010, 22, 5409.
Zeng, W.; Yong, K. S.; Kam, Z. M.; Zhu, F.; Li, Y. “Effect of blend layer morphology on performance of ZnPc:C60-based photovoltaic cells” Appl. Phys. Lett. 2010, 97, 133304.
Li, Y.; Singh, S. P.; Sonar, P. “A high mobility p-type DPP-thieno[3,2-b]thiophene copolymer for organic thin film transistors” Adv. Mater.2010, 22, 4862.
Jiang, C.; Sun, S.; Zhao, D.; Kyaw, A. K. K. Li, Y. “Low work function metal modified ITO as cathode for inverted polymer solar cells” Sol. Energ. Mat. Sol. Cells2010, 94, 1618.
Li, C.; Li, Y.; Wu, Y.; Ong, B. S.; Loutfy, R. O. “Fabrication conditions for solution-processed high-mobility ZnO thin-film transistors” J. Mater. Chem. 2009, 19, 1626.
Ong, B. S.; Wu, Y.; Li, Y. ; Liu, P.; Pan, H. “Thiophene Polymer Semiconductors for Organic Thin-Film Transistors” (invited review) Chem. Eur. J. 2008, 14, 4766
Pan, H.; Li, Y.; Wu, Y.; Liu, P.; Ong, B. S.; Zhu, S.; Xu, G. “Low-temperature, Solution-processed, High-mobility Polymer Semiconductors for Thin-film Transistors” J. Am. Chem. Soc.2007,129, 4112.
Ong, B. S.; Li, C.; Li, Y.; Wu, Y.; Loutfy, R. “Stable, Solution-Processed, High-Mobility ZnO Thin-Film Transistors” J. Am. Chem. Soc.2007, 129, 2750.
Wu, Y.; Li, Y.; Ong, B. S. “A Simple and Efficient Approach to a Printable Silver Conductor for Printed Electronics” J. Am. Chem. Soc.2007, 129, 1862.
Li, Y.; Wu, Y.; Liu, P.; Birau, M.; Pan, H.; Ong, B. S. “Poly(2,5-bis(2-thienyl)-3,6-dialkylthieno [3,2-b]thiophene)s - High-Mobility Semiconductors for Thin-Film Transistors” Adv. Mater.2006, 18, 3029.
Wu, Y.; Li, Y.; Ong, B. “Printed Silver Ohmic Contacts for High-Mobility Organic Thin-Film Transistors” J. Am. Chem. Soc.2006, 128, 4202.
Li, Y.; Wu, Y.; Ong, B. “Facile Synthesis of Silver Nanoparticles Useful for Fabrication of High-conductivity Elements for Printed Electronics” J. Am. Chem. Soc.2005,127, 3266.
Li, Y.; Wu, Y.; Gardner, S.; Ong, B. S. “Novel Peripherally Substituted Indolo[3,2-b]carbazoles for High-mobility Organic Thin-film Transistors” Adv. Mater.2005, 17, 849.
Wu, Y.; Li, Y.; Gardner, S.; Ong, B. S. “Indolo[3,2- b]carbazole-Based Thin-Film Transistors with High Mobility and Stability” J. Am. Chem. Soc.2005, 127, 614.
Selected Patents
US7,863,694 (2011), Liu, P.; Wu, Y.; Li, Y.; Smith, P. F. Organic thin film transistors
US7,847,397 (2010), Wu, Y.; Li, Y.; Ong, B. S. Nanoparticles with covalently bonded stabilizer
US7,847,052 (2010), Li, Y.; Ong, B. S.; Wu, Y.; Liu, P. Linked arylamine polymers
US7,837,903 (2010), Liu, P.; Wu, Y.; Li, Y. Polythiophenes and electronic devices comprising the same
US7,834,132 (2010), Ong, B. S.; Pan, H.; Li, Y.; Wu, Y.; Liu, P. Electronic devices
US7,829,727 (2010), Li, Y.; Ong, B. S.; Wu, Y.; Liu, P. Device containing compound having indolocarbazole moiety and divalent linkage
US7,821,068 (2010), Wu, Y.; Liu, P.; Li, Y.; Pan, H. Device and process involving pinhole undercut area
US7,820,782 (2010), Ong, B. S.; Pan, H.; Li, Y.; Wu, Y.; Liu, P. Poly(dithienylbenzo[1,2-b:4,5-b']dithiophene) polymers
US7,795,373 (2010), Li, Y.; Ong, B. S.; Wu, Y. Ethynylene acene polymers
US7,737,497 (2010), Li, Y. Silver nanoparticle compositions
US7,718,999 (2010), Li, Y.; Ong, B. S. Polythiophene electronic devices
US7,718,998 (2010), Liu, P.; Ong, B. S.; Wu, Y.; Li, Y.; Pan, H. Thiophene electronic devices
US7,705,111 (2010), Ong, B. S.; Li, Y.; Wu, Y. Polyalkynylthiophenes
US7,659,009 (2010), Li, Y.; Ding, J.; Day, M.; Tao, Y.; D'lorio, M. “Thermally crosslinkable materials and multi-layered devices therefrom”
US7,651,885 (2010), Li, Y.; Ong, B. S.; Wu, Y. “Electronic device fabrication process”
