Electrical Assistant

ZIQING DUAN

**** ***** **** **********, *** Jersey 08854 +1-732-***-**** ********@*****.***

SUMMARY OF QUALIFICATION

Over 9 years of research experience in solid state electronics and materials science.

Extensive hands-on experience in thin film growth/deposition technologies, including MOCVD, sputtering, e-beam evaporation, PECVD, thermal evaporation, sol-gel etc.

Substantial hands-on experience in materials characterization by XRD, SEM, EDX, TEM, AFM etc.

Experience in semiconductor devices fabrication and electrical testing.

Solid understanding of semiconductor devices and physics.

Strong multiple-project ability, and technical writing and presentation skills.

EXPERIENCE

BROOKHAVEN NATIIONAL LABORATORY, Upton, NY, USA 2011 – Present

TEM User

Performed microscopic characterization of ZnO-based films/nanostructures by using HRTEM.

RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY, Piscataway, NJ, USA 2006 – Present

Research Assistant in Electrical & Computer Engineering Department (2007 – Present)

Developed wide-bandgap semiconductor epitaxial films, amorphous/polycrystalline films, nanostructures on various substrates using MOCVD for multiple projects supported by AFOSR, NSF, Rutgers TCF and IAMDN grants.

Maintained close cooperation with microelectronic process engineering and got involved in the semiconductor devices design, fabrication and electrical testing.

Controlled the surface morphology of MgxZn1-xO films/nanostructures through using different buffer layers for photovoltaic applications.

Enhanced the open-circuit voltage (VOC) of Cu2O-ZnO heterojunction solar cells by adjusting the band offset between the window layer and the light absorber.

Developed unique 3-D photoelectrodes, consisting of 1-D ZnO nanostructures and 2-D Ga-doped ZnO (GZO) films, for dye-sensitized solar cells (DSSCs) and organic-inorganic hybrid solar cells.

Demonstrated Fe-doped ZnO nanostructures using MOCVD for memristors and improved the resistive switching performance by designing FeZnO/MgO or FeZnO1+x/FeZn1-xO multilayers.

Solved the problem of high background doping level of ZnO films grown by MOCVD though modifying the growth process and successfully developed enhancement-mode ZnO-based TFTs.

Improved ZnO-based Schottky diode performance by designing MgxZn1-xO/GaZnO multilayers.

Developed ZnO based green phosphors on GaZnO:Mn thin films deposited by using RF sputtering.

Performed regular maintenance and troubleshooting of the MOCVD system.

Performed structural, electrical and optical characterization of ZnO-based thin films/nanostructures and devices using XRD, SEM, EDX, TEM, AFM, XPS, Hall measurements, I-V, Transmission etc.

Teaching Assistant in Electrical & Computer Engineering Department (2007 – 2010)

Taught laboratory sections of two undergraduate courses: Electronic Devices and Digital Electronics.

Research Assistant in Materials Science & Engineering Department (2006 – 2007)

Synthesized cathode materials of the rechargeable lithium ion battery using sol-gel method.

NANYANG TECHNOLOGICAL UNIVERSITY (NTU), Singapore 2005 – 2006

Research Assistant

Developed the magnetoelectric composite material, BaTiO3-CoFe2O4, by ceramic sintering method.

SHANGHAI INSTITUTE OF CERAMICS, CAS, Shanghai, China 2002 –2005

Graduate Student

Grew ferroelectric Pb(In0.5Nb0.5)O3-PbTiO3 (PINT) single crystals by using Bridgman method.

ZHENGZHOU UNIVERISTY, Zhengzhou, Henan, China 2002

Undergraduate Student

Performed synthesis and characterization of Al2O3-matrix ceramic coating deposited by sol-gel.

EDUCATION

Ph.D. in Electrical Engineering, 2007-2012 GPA: 4.0/4.0

Rutgers, the State University of New Jersey, USA

M.E. in Materials Science and Engineering, 2002-2005 GPA: 3.79/4.0

Shanghai Institute of Ceramics, Chinese Academy of Science (CAS), China

B.E. in Materials Science and Engineering, 1998-2002 GPA: 3.80/4.0

Zhengzhou University, China

SKILLS

Thin Film Deposition: CVD(MOCVD, PECVD), PVD (Sputtering, E-beam evaporation), Sol-Gel

Microelectronic Processing: Oxidation, Photolithography, Etching, Thin-film deposition

Ceramic Synthesis: Conventional Ceramic Sintering Process

Crystal Growth: Solution Bridgman Method

Structural Characterization: XRD, SEM, TEM, AFM

Electrical Characterization: I-V, C-V, Hall Measurement

Optical Characterization: UV-Vis Absorption/Transmission

Software: MATLAB, PSPICE, ORIGIN, EXCEL.

SELECTED PUBLICATIONS

Over 20 publications in the fields of thin film growth, solar cells, electronic materials and devices, applied physics, crystal growth etc.

Ziqing Duan, Aurelien Du Pasquier, Yicheng Lu, Yi Xu, Eric Garfunkel, Effects of Mg Composition on Open Circuit Voltage in Cu2O-MgxZn1-xO Heterojunction Solar Cells, Solar Energy Materials and Solar Cells, 2012, 96: 292-297.

Ziqing Duan, Yicheng Lu, Aurelien Du Pasquier, Morphological control of MgxZn1-xO layers grown on Ga:ZnO/glass substrates for photovoltaics, Journal of Crystal Growth, 2012 (In Press, Accepted)

Chieh-Jen Ku, Ziqing Duan, Pavel I. Reyes, Yicheng Lu, Yi Xu, Chien-Lan Hsueh, Eric Garfunkel, Effects of Mg on the electrical characteristics and thermal stability of MgxZn1-xO thin film transistors, Applied Physics Letters, 2011, 98: 123511.

Pavel Ivanoff Reyes, Chieh-Jen Ku, Ziqing Duan, Yicheng Lu, Aniruddh Solanki, and Ki-Bum Lee, ZnO thin film transistor immunosensor with high sensitivity and selectivity, Applied Physics Letters, 2011, 98: 173702.

Ziqing Duan, Nathalie Pereira, Yicheng Lu, Aurelien Du Pasquier, Gel probe photocurrent measurement of cuprous oxide films, Solar Energy Materials and Solar Cells, 2010, 94:1741-1746.

Hanhong Chen, Ziqing Duan, Yicheng Lu, Aurelien Du Pasquier, Dye-Sensitized Solar Cells Combining ZnO Nanotip Arrays and Nonliquid Gel Electrolytes, Journal of Electronic Materials, 2009, 38 (8): 1612.

Ying Chen, Pavel I. Reyes, Ziqing Duan, Gaurav Saraf, Richard Wittstruck, Yicheng Lu, Olena Taratula, Elena Galoppini, Multifunctional ZnO-Based Thin-Film Bulk Acoustic Resonator for Biosensors, Journal of Electronic Materials, 2009, 38 (8): 1605.

Ziqing Duan, Guisheng Xu, Xiaofeng Wang, Danfeng Yang, Growth and Electrical Properties of Pb(In0.5Nb0.5)O3-PbTiO3 Crystals by the Solution Bridgman Method, Journal of Crystal Growth, 2005, 275: e1907-1911.

Ziqing Duan, Guisheng Xu, Xiaofeng Wang, Danfeng Yang, Xiaoming Pan and Pingchu Wang, Electrical Properties of High Curie Temperature (1-x)Pb(In1/2Nb1/2)O3-xPbTiO3 single crystals Grown by the Solution Bridgman Technique, Solid State Communication, 2005, 134: 559-563.

Guisheng Xu, Xiaofeng Wang, Danfeng Yang, Ziqing Duan, Chude Feng, Kai Chen, Peculiar temperature aging effects on the piezoelectric constant of Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystal near the morphotropic phase boundary, Applied Physics Letters, 2005, 86: 032902.

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