CURRICULUM VITAE Huanjun Ding 11217 Adobe Circle, Irvine, CA 92617 Phone: (949) 824-8272 (office) (201)574-5829 (cell) Email: huanjund@uci.edu Education: Ph. D. in Physics, Mar 2005 to May 2010 Department of Physics and Astronomy, University of Rochester, Rochester, NY M. A. in Physics, Sep. 2003 to Mar 2005 Department of Physics and Astronomy, University of Rochester, Rochester, NY M. A. in Physics, Sep. 2000 to Jun. 2003 Department of Physics, Fudan University, Shanghai, China B. A. in Physics, Sep. 1996 to Jun. 2000 Department of Physics, Shandong University, Ji’nan, China Professional Positions: Assistant Project Scientist, Jan.2012 to present Post-Doctoral Research Associate, Jul. 2010 to Dec. 2011 Department of Radiological sciences, University of California, Irvine, CA Designed the first multi-slit multi-slice spectral breast CT system based on an energy sensitive photon-counting Si strip detector. Simulated the performance of the spectral breast CT in terms of absorbed dose, spatial and contrast resolution. Accomplished breast density quantification with a spectral mammography system based on an energy sensitive photon-counting Si strip detector. Conducted compositional breast imaging with spectral CT based on a Cadmium-Zinc-Telluride (CZT) photon counting detector. Developed an image-based spectral distortion correction algorithm for photon-counting x-ray detectors. Investigated the feasibility of breast density quantification with dual-energy mammography. Studied breast density and tissue composition with flat-panel based cone beam computed tomography (CT). Performed contrast-enhanced breast imaging with spectral CT based on both CZT photon-counting and dual-kVp techniques. Developed and evaluated new algorithms for breast density quantification using fuzzy C-means clustering. Studied the performance of dual dictionary learning iterative reconstruction algorithms in breast CT applications. Graduate Research Assistant, May. 2004 to Jun. 2010 Department of Physics and Astronomy, University of Rochester, Rochester, NY Page 1/7 Accomplished the band structure measurement of organic single crystal rubrene with angle-resolved photoemission spectroscopy (AR-PES) Investigated the spin injection and dynamics at organic interface with time-resolved two photon photoemission spectroscopy (TR-2PPE) Studied the electronic structure of the critical interfaces employed in a wide range of application for organic electronics, such as OLEDs, OTFTs and OPV cells, and successfully explained the enhancement of the device performance induced by these interfaces Developed a fundamental model to understand the electronic structure modification induced by alkali metal doping in organic semiconductors, which is essential for interface engineering in order to improve the charge injection Conducted x-ray photoemission (XPS) or electron spectroscopy for chemical analysis (ESCA) measurements for a variety of samples, including metals, inorganic semiconductors, nanoparticles, polymers and so on, as a collaboration with researchers from Chemistry, Chemical Engineering, Material Science and Biomedical Engineering Teaching Experience: Supervised multiple students performing independent research for NSF Research Experiences for Undergraduates (REU) program Led the recitations and the workshops as a teaching assistant of Statistical Mechanics, Thermal Physics and Computational Physics Awards: AAPM 2012 Research Seed Funding Grant, USA 2012 Research Internships in Science and Engineering (RISE) scholarship, German Academic Exchange Service (DAAD), Germany, 2005 Guang Hua Prize in Academics, Fudan University, China, 2003 Excellence in First Year Academics and Research Award, Fudan University, China, 2001 Outstanding Undergraduate Award, Shandong University, China, 2000 Membership in Professional Organizations: American Association of Physicists in Medicine (AAPM) American Physical Society (APS) Materials Research Society (MRS) SPIE—The International Society for Optical Engineering List of Selected Publications and Presentations Journal Publications: 1. H. Ding and S. Molloi, “Quantification of breast density with spectral mammography based on a scanned multi-slit photon-counting detector: A feasibility study” Phys. Med. Bio., 57, 4719 (2012). 2. H. Ding, J. Docute and S. Molloi, “Breast composition measurement with a Cadmium-ZincTelluride (CZT) based spectral computed tomography system” Med. Phys., 39, 1289 (2012). Page 2/7 3. H. Ding and S. Molloi, “Image-based spectral distortion correction for photon-counting x-ray detectors” Med. Phys. 39, 1864 (2012). 4. Irfan, W. Xia, H. Lin, H. Ding, C. W. Tang and Y. Gao, “Nitric-phosphoric acid etching effects on the surface chemical composition of CdTe thin film”, Thin Solid Films, 520, 1988 (2011). 5. Irfan, M.Zhang, H.Ding, C.W.Tang, Y.Gao, “Strong interface p-doping and band bending in C60 on MoOx”, Organic Elec., 12, 1588 (2011). 6. Irfan, H. Ding, F. So and Y. Gao, “Oxide insertion layer in organic semiconductor devices”, J. Photo. Energy, 1, 011105, (2011) 7. H. Ding, Y. Gao, “Evolution of the electronic structure of alkali metal-doped copper-phthalocyanine (CuPc) on different metal substrates”, Organic Elec., 11, 1786 (2010). 8. H. Ding, C. Reese, A. Mäkinen, Z. Bao and Y. Gao, “Band structure measurement of organic single crystal with angle-resolved photoemission”, Appl. Phys. Lett., 96, 222106, (2010). 9. Irfan, H. Ding, Y. Gao, et al. “Energy level evolution of air and oxygen exposed molybdenum trioxide films”, Appl. Phys. Lett., 96, 243307, (2010). 10. Irfan, H. Ding, Y. Gao, D. Kim, J. Subbiah, and F. So, “Energy level evolution of molybdenum trioxide interlayer between indium tin oxide and organic semiconductor”, Appl. Phys. Lett., 96, 073304, (2010). 11. M. Zhang, Irfan, H. Ding, Y. Gao and C. W. Tang, “Organic Schottky barrier photovoltaic cells based on MoOx/C60”, Appl. Phys. Lett., 96, 183301 (2010). 12. H. Ding, K. Park and Y. Gao, “Evolution of the unoccupied states in alkali metal-doped organic semiconductor”, Journal of Electron Spectroscopy and Related Phenomena, 174, 45, (2009). 13. H. Ding and Y. Gao, “Electronic structure at rubrene metal interfaces”, Appl. Phys. A, 95, 89, (2009). 14. H. Ding, K. Park, D. Kim, F. So and Y. Gao, “Electronic structure and interactions of LiF doped tris(8-hydroxyquinoline) aluminum (Alq)”, Chem. Phys. Lett., 473, 92 (2009). 15. D. Y. Kim, J. Subbiah, G. Sarasqueta, F. So, H. Ding, Irfan, and Y. Gao, “The effect of molybdenum oxide interlayer on organic photovoltaic cell”, Appl. Phys. Lett., 95, 093304, (2009). 16. Y. Shirai, J. M. Guerrero, T. Sasaki, T. He, H. Ding, G. Vives, B. C. Yu, L. Cheng, A. K. Flatt, P. G. Taylor, Y. Gao, and J. M. Tour, “Fullerene/Thiol-Terminated Molecules”, J. Org. Chem., 74, 7885 (2009). 17. C. C. Zhao, X. H. Chen, C. Gao, M. K. Ng, H. Ding, K. Park, and Y. Gao, “New organic semiconductors for thin-film transistors: Synthesis, characterization, and performance of 4H-indeno[1,2-b]thiophene derivatives”, Synthetic Metals, 159, 995, (2009). 18. H. Ding, Y. Gao, M. Cinchetti, J. P. Wüstenberg, M. Sanchez-Albaneda, O. Andreyev, M. Bauer and M. Aeschlimann, “Spin Injection and Spin Dynamics at the CuPc/GaAs Interface,” Phys. Rev. B 78, 075311 (2008). 19. H. Ding, K. Park, K. Green and Y. Gao, “Electronic structure modification of copper phthalocyanine (CuPc) induced by intensive Na doping”, Chem. Phys. Lett., 454, 229, (2008). 20. H. Ding and Y. Gao, “Evolution of the unoccupied state in Cs-doped copper phthalocyanine”, Appl. Phys. Lett., 92, 053309 (2008). Page 3/7 21. T. He, H. Ding, N. Peor, M. Lu, D. A. Corley, B. Chen, Y. Ofir, Y. Gao, S. Yitzchaik and J. M. Tour, “Silicon/Molecule Interfacial Electronic Modifications”, J. Am. Chem. Soc., 130, 1699 (2008). 22. H. Ding and Y. Gao, “Au/LiF/tris(8-hydroxyquinoline) aluminum interfaces”, Appl. Phys. Lett., 91, 172107 (2007). 23. H. Ding and Y. Gao, “Photoemission study of oxygen and Au modification of doped copper phthalocyanine”, J. Appl. Phys., 102, 043703 (2007). 24. H. Ding and Y. Gao, “Reversal of doping induced energy level shift in organic semiconductors”, Inter. J. Nanosci., 6, 1 (2007). 25. Y. Gao, H. Ding, H. Wang and D. Yan, “Electronic structure of interfaces between copper-hexadecafluoro-phthalocyanine and 2,5-bis(4-biphenylyl) bithiophene”, Appl. Phys. Lett., 91, 142112 (2007). 26. H. Ding, S. Zorba and Y. Gao, “Photoemission study of tris(8-hydroxyquinoline) aluminum/aluminum oxide/tris(8-hydroxyquinoline) aluminum interface”, J. Appl. Phys., 100, 113706 (2006). 27. H. Ding and Y. Gao, “Alkali metal doping and energy level shift in organic semiconductors”, Appl. Surf. Sci., 252, 3943 (2006). 28. H. Ding and Y. Gao, “Electronic structure of Cs-doped tris(8-hydroxyquinoline) aluminum”, Appl. Phys. Lett., 86, 213508 (2005). 29. H. Ding and Y. Gao, “Reversal of doping-induced energy level shift: Au on Cs-doped tris(8-hydroxyquinoline) aluminum”, Appl. Phys. Lett., 87, 051918 (2005). 30. H. Ding, X. Wang, Y. Zhan, X. Ding and X. Hou, “Photoemission study of the sodium stearate/tris-(8-hydroxyquinoline) aluminum interface”, Journal of Electron Spectroscopy and Related Phenomena, 144-147, 925, (2005). 31. B. H. Hamadani, H. Ding, Y. Gao and D. Natelson, “Doping-dependent charge injection and band alignment in organic field-effect transistors”, Phys. Rev. B, 72, 235302 (2005). 32. Z. Xu, G. Zhong, X. Ding, E. Obbard, H. Ding, X.Wang, Y. Zhan, S. Zhang, J. Zhao, B. Zhao, Z. Xiong, H. Shi, W. Huang, and X. Hou, “Effect of electric fields on photoluminescence of 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran”, Applied Physics A-Materials Science & Processing 80, 1753 (2005). 33. Y. Wu, Y. Liu, X. Ding, E. Obbard, X. Wang, H. Ding, X. Hou, and X. Li, “Passivation of GaAs field-effect transistors in diluted S2Cl2 solution” Applied Surface Science, 228, 5 (2004). 34. X. Wang, J. Zhao, Y. Zhou, X. Wang, S. Zhang, Y. Zhan, Z. Xu, H. Ding, G. Zhong, H. Shi, Z. Xiong, Y. Liu, Z. Wang, E. Obbard, X. Ding, W. Huang, and X. Hou, “Enhancement of electron injection in organic light-emitting devices using an Ag/LiF cathode”, J. Appl. Phys. 95, 3828 (2004). 35. S. Zhang, X. Ding, J. Zhao, H. Shi, J. He, Z. Xiong, H. Ding, E. Obbard, Y. Zhan, W. Huang, and X. Hou, “Buffer-layer-induced barrier reduction: Role of tunneling in organic light-emitting devices” Appl. Phys. Lett., 84, 425 (2004). 36. Y. Zhan, Z. Xiong, H. Shi, S. Zhang, Z. Xu, G. Zhong, J. He, J. Zhao, Z. Wang, E. Obbard, H. Ding, X. Wang, X. Ding, W. Huang, and X. Hou, “Sodium stearate, an effective amphiphilic molecule buffer material between organic and metal layers in organic light-emitting devices” Appl. Phys. Lett., 83, 1656 (2003). Page 4/7 Proceedings: 1. H. Ding and Y. Gao, “Rubrene electronic structure, interface energy level alignment, and growth dynamics”, Proc. SPIE, 7778, 77780J (2010) 2. H. Ding, Irfan, F. So and Y. Gao, “Interface study of insertion layers in organic semiconductor devices”, Proc. SPIE, 7415, 74150J (2009) 3. Irfan, H. Ding, Y. Gao, D. Y. Kim, J. Subbiah and F. So, “The effect of molybdenum trioxide inter-layer between indium tin oxide (ITO) and organic semiconductor on the energy level alignment” Mater. Res. Soc. Symp. Proc., 1212, S08-05 (2009) 4. H. Ding, Y. Gao, H. Wang and D. Yan, “Band bending and device screening in F16CuPc/BP2T ambipolar organic thin film transistor”, Proc. SPIE, 7054, 70540C, (2008). 5. H. Ding and Y. Gao, “Electronic structure of doping in organic semiconductor”, Proc. SPIE, 7051, 705111 (2008). 6. K. Park, H. Ding, F. So and Y. Gao, “Mechanism of LiF interlayer for electron injection”, Proc. SPIE, 7051, 70511V (2008). 7. H. Ding and Y. Gao, “The role of LiF for the electron injection in tris-(8-hydroxyquinoline) aluminum”, ECS Trans., 11, 25 (2008). 8. H. Ding, H. Wang, D. Yan, and Y. Gao, “Electronic Structure of Interfaces Between Hexadecafluoro-phthalocyanine and 2,5-bis(4-biphenylyl) Bithiophene”, ECS Trans., 11, 15 (2008). 9. H. Ding and Y Gao “Modification on the Electronic Structure of Organic Semiconductor by Alkali Metal”, ECS Trans., 11, 1 (2008). 10. H. Ding and Y. Gao, “Photoemission investigation of the energy level alignment at the rubrene/metal interface”, Mater. Res. Soc. Symp. Proc., 1029, F04-03 (2007). 11. H. Ding, K. Park and Y. Gao, “Modification on the unoccupied electronic structure of organic semiconductor by alkali metal”, Mater. Res. Soc. Symp. Proc., 1029, F03-34 (2007). 12. H. Ding and Y. Gao, “Spin injection and spin dynamics at CuPc/GaAs (100) interface”, Mater. Res. Soc. Symp. Proc., 965, S09-49, (2006). Presentations: 1. H. Ding, J. Docute and S. Molloi, “TU-A-301-04: Breast Composition Measurement with a Cadmium-Zinc-Telluride (CZT) Based Spectral Computed Tomography System” AAPM (2011). 2. H. Ding, J. Docute and S. Molloi, “TU-G-110-07: Quantitative Measurement of an Iodinated Contrast Agent with Dual Energy and Spectral Breast Computed Tomography” AAPM (2011). 3. J. Docute, H. Ding and S. Molloi, “TU-G-110-08: Feasibility of Tissue Composition Measurement with Dual Energy Computed Tomography” AAPM (2011). 4. Irfan, H. Ding, Y. Gao, M. Zhang, and C. Tang, “Strong interface p-doping and band bending in C60”, 2011 APS March Meeting. 5. Y. Gao, H. Ding, Irfan, C. R. Reese, A. Makinen, and Z. Bao, “Angle resolved photoemission study of rubrene single crystal” 2011 APS March Meeting. 6. H. Ding, Irfan, C. Reese, A. Makinen, Z. Bao, and Y. Gao, “Angle Resolved Photoemission Study of Rubrene Single Crystal” 219th ECS Meeting (2011). Page 5/7 7. H. Ding and Y. Gao, “Rubrene electronic structure, interface energy level alignment, and growth dynamics” 2010 SPIE Optics + Photonics. 8. H. Ding, Irfan, Y. Gao, and F. So, “Electronic structure of MoO3 insertion layer at the interface between organic semiconductor and indium tin oxide (ITO).” 2009 APS March Meeting. 9. Irfan, H. Ding, W. Xia, H. Lin, C.W. Tang, and Y. Gao, “Nitric-phosphoric acid etching effects on the surface chemical composition of CdTe thin film.” 2009 APS March Meeting. 10. H. Ding, Yongli Gao, M. Sanchez-Albaneda, M. Cinchetti, J. Wüstenberg, O.Andreyev, M. Bauer and M. Aeschlimann, “Cascade and accumulation of spin at CuPc/GaAs (100) interface”, 2009 APS March Meeting. 11. H. Ding, Irfan, Y. Gao and F. So, “Interface study of insertion layers in organic semiconductor devices”, 2009 SPIE Optics + Photonics. 12. H. Ding, C. Reese, A. Makinen, Z. Bao, and Y. Gao, “Angle resolved photoemission study of rubrene single crystal” 2009 MRS Fall Meeting. 13. Irfan, H. Ding, Y. Gao, D. Y. Kim, J. Subbiah and F. So, “Energy level evolution of varying molybdenum trioxide inter-layer between conducting indium tin oxide (ITO) and chloro aluminum pthalocyanine (AlPc-Cl)”, 2009 MRS Fall Meeting. 14. H. Ding, K. Park and Y. Gao, “Evolution of the unoccupied states in alkali metal-doped copper-phthalocyanine (CuPc)”, 2008 APS March Meeting. 15. Y. Gao, H. Ding, H. Wang, and D. Yan, “Electronic Structure of Interfaces and Heterojunction Ambipolar Organic Thin Film Transistor” 2008 APS March Meeting. 16. K. Park, H. Ding, Y. Gao, and F. So, “Energy level shift due to the co evaporated LiF in Alq” 2008 APS March Meeting. 17. H. Ding and Y. Gao “Electronic structure of doping in organic semiconductors”, 2008 SPIE Optics + Photonics. 18. H. Ding, Y. Gao, H. Wang, and D. Yan, “Band bending and Debye screening in F16CuPc/BP2T ambipolar organic thin film transistor” 2008 SPIE Optics + Photonics. 19. K. Park, H. Ding, F. So, and Y. Gao “Mechanism of LiF interlayer for electron injection” 2008 SPIE Optics + Photonics. 20. H. Ding, K. Park and Y. Gao, “Evolution of the unoccupied states in alkali metal-doped copper-phthalocyanine (CuPc)”, 2007 MRS Fall Meeting. 21. H. Ding and Y. Gao, “Photoemission investigation of energy level alignment at the rubrene/metal interface”, 2007 MRS Fall Meeting. 22. H. Ding and Y. Gao, “The role of LiF for the electron injection in Alq”, 212th ECS Meeting. 23. H. Ding, Y. Gao, H. Wang and D. Yan, “Electronic structure of interfaces and heterojunction ambipolar organic thin film transistor”, 212th ECS Meeting. 24. H. Ding and Y. Gao, “Modification on the electronic structure of organic semiconductors by alkali metal”, 212th ECS Meeting. 25. H. Ding, Yongli Gao, M. Sanchez-Albaneda, M. Cinchetti, J. Wüstenberg, O.Andreyev, M. Bauer and M. Aeschlimann, “Spin injection and spin dynamics at CuPC/GaAs(100) interface”, 2007 APS March Meeting. 26. H. Ding, Y. Gao, L. Ma and Y. Yang, “Photoemission study of tris(8-hydroxyquinoline) aluminum/aluminum oxide/tris(8-hydroxyquinoline) aluminum interface”, 2007 APS March Meeting. Page 6/7 27. H. Ding, Y. Gao, M. Sanchez-Albaneda, M. Cinchetti, J. Wüstenberg, O.Andreyev, M. Bauer and M. Aeschlimann, “Spin injection and spin dynamics at CuPC/GaAs(100) interface”, 2006 MRS Fall Meeting. 28. H. Ding and Y. Gao, “Reversal of Doping Induced Energy Level Shift in Organic Semiconductors” The 3rd edition of the international workshop on “Electronic Structure and Processes at Molecular-Based Interfaces” (ESPMI-III) (2006). 29. H. Ding, K. Green and Y. Gao, “Doping induced energy level shift in organic semiconductors”, 2006 APS March Meeting. 30. B. Hamadani, H. Ding, J. Ciszek, Y. Gao, J. Tour, and D. Natelson, “Charge injection and band alignment in organic field effect transistors.” 2006 APS March Meeting 31. H. Ding and Y. Gao, “Alkali metal doping and energy level shift in organic semiconductors”, 2005 MRS Fall Meeting. 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