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Department of Electronic Engineering
The Chinese University of Hong Kong
People > Academic Staff > Prof Ni ZHAO
Associate Professor
B.Eng. (Tsinghua University), M.S. (McMaster University), Ph.D. (University of Cambridge)
+852 3943 4347
Rm 230, Ho Sin Hang Engineering Building

Resume of Career

Ni Zhao received her Ph.D degree in Physics from the University of Cambridge (UK) in 2008. From 2008-2010 she worked as a postdoctoral research fellow at the Massachusetts Institute of Technology (USA). Her work at MIT involved developing novel hybrid solar cell structures that incorporate colloidal nanocrystal quantum dots with organic and inorganic materials, and using these structures to study electronic processes in solar cells. Prior to MIT she worked in the Optoelectronic Group at the Cavendish Laboratory in Cambridge, UK. Her PhD dissertation was focused on device physics of polymer based field-effect transistors, charge transport mechanism at organic semiconductor/ dielectric interface and nanoscale patterning using inkjet-printing technique. During her M.S Degree, Zhao worked in the Xerox Research Center of Canada on novel semiconducting polymers and their applications in field-effect transistors.

Ni Zhao joined the Department of Electronic Engineering at the Chinese University of Hong Kong (CUHK) in December 2010.

Current Research Interests

Optoelectronic, electronic and electrochemical devices based on organic and nanostructured materials; spectroscopic characterization of the physical processes in nanostructured thin films, structures, and devices

Highlights of Recent Achievements

  • Development of charge modulation spectroscopy for the study of charge localization in organic donor-acceptor systems.
  • Development of high performance quantum dot based infrared photovoltaic cells and photodetectors.

Taught Courses

  • Basic Electronics
  • Flexible Electronics and Solar Cell Technology
  • Green Electronic Gadgets
  • Physics and Technology of Semiconductor Devices
  • Engineering Physics

External Service in Recent 3 Years

  • Member of organization committee, International Workshop on Photonics of Functional Nanomaterials, Hong Kong, 2013.

Publications for the Past 3 Years

  1. H.H. Xu, Y.Q. Jiang, J. Li, B.S. Ong, Z.G. Shuang, J.B. Xu and N. Zhao. Spectroscopic Study of Electron and Hole Polarons in a High-Mobility Donor - Acceptor Conjugated Copolymer. J. Phys Chem. C, accepted.

  2. M.D. Wang, S.Z. Zheng, X. Wan, Y.R. Su, N. Ke and N. Zhao, K.Y. Wong and J. B. Xu. Limit of Voc in polymeric bulk heterojunction solar cells predicted by a double-junction model. Sol. Energ. Mat. Sol. Cells, 108, 17-21 (2013).

  3. X.M. Wamg, W.G. Xie, J. Du, C.L. Wang, N Zhao and J.B. Xu. Graphene/Metal contacts: Bistable states and novel memory devices. Adv Mater, 24, 2614-19 (2012).

  4. T. P. Osedach, N Zhao, T. L. Andrew, P. R. Brown; D. D. Wanger, D. B. Strasfeld, L.Y. Chang, M. Bawendi and V. Bulović. Bias-Stress Effect in 1,2-Ethanedithiol- Treated PbS Quantum Dot Field-Effect Transistors. ACS Nano. 6, 3121-3127 (2012).

  5. Y.R. Su, C.L. Wang, W.G. Xie, F.Y. Xie, J. Chen, N. Zhao and J.B. Xu. Low-Voltage Organic Field-Effect Transistors (OFETs) with Solution-Processed Metal-Oxide as Gate Dielectric. ACS Appl. Mater. Inter, 3, 4662-4667 (2011).

  6. M.D. Wang, F.Y. Xie, J. Du, Q. Tang, S.Z. Zheng, Q. Miao, J. Chen, N. Zhao and J.B. Xu. Degradation Mechanism of Organic Solar Cells with Aluminum Cathode. Sol. Energ. Mat. Sol. Cells, 95, 3303-3310 (2011).

  7. C.L. Wang, X.M. Wamg, J. Min, N. Zhao and J.B. Xu. Super-linear rectifying property of rubrene single crystal devices. Org Electron, 12, 1731-1735 (2011).

  8. C.L. Wang, Z.X. Liang, Y.L. Liu, X.M. Wamg, N. Zhao, Q. Miao, W.P. Hu and J.B. Xu, Single Crystal N-channel Field Effect Transistors from Solution-processed Silylethynylated Tetraazapentacene. J of Mater Chem, 21, 15201-15204 (2011).

  9. M.D. Wang, F.Y. Xie, W.G. Xie, S.Z. Zheng, N. Ke, J. Chen, N. Zhao and J. B. Xu. Device lifetime improvement of polymer-based bulk heterojunction solar cells by incorporating copper oxide layer at Al cathode. Appl Phys Lett, 98, 183304 (2011).

  10. P.R. Brown, R.R. Lunt, N. Zhao, T. P. Osedach, D. D. Wanger, L.Y. Chang, M. Bawendi and V. Bulović. Improved Current Extraction from ZnO/PbS Quantum Dot Heterojunction Photovoltaics Using a MoO3 Interfacial Layer. Nano Lett, 11, 2955 (2011).

  11. S.Q. Ren, N. Zhao, S.C. Crawford, M. Tambe, V. Bulović and S. Gradečak. Heterojunction photovoltaics using GaAs Nanowires and conjugated polymers. Nano Lett, 11, 408 (2011).

  12. M.-J. Lee, D. Gupta1, N. Zhao, M. Heeney, I. McCulloch and H. Sirringhaus. Anisotropy of Charge Transport in a Uniaxially Aligned and Chain-Extended, High-Mobility, Conjugated Polymer Semiconductor. Adv Funct Mater, 21, 932 (2011).

  13. S.M. Geyer, P.M. Allen, L.Y. Chang, C.R. Wong, T.P. Osedach, N. Zhao, V. Bulovic, and M. Bawendi. Control of the carrier type in InAs nanocrystal films by predeposition incorporation of Cd. ACS Nano, 4, 7373 (2010).

  14. T. P. Osedach, N. Zhao, S. M. Geyer, L.Y. Chang, D. D. Wanger, A. C. Arango, M. Bawendi and V. Bulović. Interfacial Recombination for Fast Operation of a Planar Organic/QD Infrared Photodetector. Adv Mater, 22, 5250-5254 (2010).

  15. H. Sirringhaus, M. Bird and N. Zhao. Charge Transport Physics of Conjugated Polymer Field-Effect Transistors. Adv Mater, 22, 3893-3898 (2010).

  16. N. Zhao, T. P. Osedach, L-Y Chang, S. Geyer, M. B. Binda, M. Bawendi and V. Bulović. Colloidal PbS quantum dots solar cells with high fill factor. ACS Nano, 4, 3743 (2010).