ZHAOQUN (San) ZHOU

http://www.linkedin.com/pub/zhaoqun-zhou/8/639/1b1/ ab2lni@r.postjobfree.com

Over 8 years’ experience in thin film materials, process and device fabrication, industrial R&D, manufacture

engineering and management. Strong work ethic with a record of resolving challenging tasks; dependable

team player who relates well and achieves project goals with a team of diverse personalities.

AREAS OF EXPERTISE

PROCESS CONTROL: Led a process team working on weekly baseline device quality control on device

efficiency and lifetime; improved metal oxide thin film quality and device yield two times; implemented

standard process control (SPC) on large batch of tile device fabrication for project delivery; in charge of

pilot production process and application; written training materials, SOPs, process flow diagrams (PFDs)

and related process documents

THIN FILM DEVICE FABRICAT ION: Expert in thin film emitting, photovoltaic and photo- detector

device physics, thin film device modeling and parameter extraction; understanding device degradation

mechanisms, practical experience with characterization and analysis

Skilled in architecture design of experiment (DOE), fabrication and optimization of OLED and

QLED devices, strong target-oriented observation, execution and troubleshooting skills

Adept in thermal evaporation, spin-coating, capillary coating, slot-die coating, sol-gel formulation,

PVD, E-beam evaporation, magnetron sputtering, atomic layer deposition (ALD)

In charge of class 1000 and class 10000 clean room operation/device fabrication scheduling;

implemented preventative program throughout the facility to improve equipment reliability/performance

MATERIAL SCIENCE AND DEVICE CHARACTERIZATIONS: Strong understanding with material

requirements for thin-film electroluminescence device, photo-detectors and solar cells; extensive hands-on

experience with material characterization techniques, data analysis and interpretation skills

Photoluminescence, electroluminescence and thin film spectroscopy

Material and thin film characterization: AFM, SEM, XRD, XPS, SIMS, EDX, UPS, TGA,

profilometry, ellipsometry, kelvin probe measurement

Mechanical stress measurement in thin films, surface contact angle measurement

DEVICE FAILURE AND STATISTICAL ANALYSIS: Qualitative analysis of process yield and

process-related defects: extensive experience with R&D prototyping, analysis and characterization

of thin-film devices; apply Failure Mode Effect Analysis (FEMA) to device design or fabrication and

assembly process to ensure the end product meets its specifications or requirements, as well as to

determine the effect of a single failure or event on the system.

PROJECT MANAGEMENT: Manufacturing and engineering management in fast-paced, high-tech

environments including proj ect initiation, planning, managing complexities and competing priorities;

executing and technology transferring to production and marketplace.

CAREER HIGHLIGHT

Proven-record device structure innovation on QLED device architecture design to greatly enhance the

QLED performance (2 to 3 orders of improvement in lifetime) in terms of efficiency and operational

stability, which greatly strengthen the company's competition edge in related technology

Principal technical support at the managerial and hands-on level for development and

optimization of device performance and vacuum deposition/spin-coating processes, installation,

maintenance, troubleshooting and modifying of vacuum equipment/parts according to requirements from

various projects; specified and purchased equipment for thin films processing and characterization

Identified root-cause failure related to the surface morphology of quantum dot and small-

molecular/polymeric films, developed vacuum deposition/spin-coating and charge transport annealing

procedure for surface smoothening

Led device process team and supervised technicians to insure quality and yield improvement; oversaw

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thermal deposition chamber setup and conditioning, process designing and recipe setting, process results

analysis, implementation of process improvements and tooling upgrades leading to increased coating

production yields, efficiency and reliability.

PROFESSIONAL HISTORY

Senior Device Engineer/Group Leader, Device Structure and Processing,

QD Vision, Lexington, MA (July 2009 current)

Responsible for operating/managing a process team including technicians and engineers

Recommended processes that can be incorporated into funded projects for device fabrication

Designed experiments to evaluate device performance and feedback to chemistry team

Created and executed coating technologies training programs for new engineers/technicians.

Participated in the funded proj ects and commercial business co-development as a lead scientist:

Demonstrated first full color solution processable Active Matrix QLED display in the world

Achieved world most efficient, cadmium-free, QD-based LED technology for solid state lighting

Development of NIR and SWIR solution processable QLED

o Increased production yield from 20% to 90% and reduce operation time by 20%

o Significantly increased the peak power output from 0.1 mw/cm2 to over 2 mw/cm2 in

large emitting area devices

o Developed highly transparent and conductive thermal evaporated film to replace ITO

Senior Device Physicist/Engineer

QD Vision, Lexington, MA (March, 2007 September 2009)

Developed highly saturated and efficient R-G-B QD emitting devices using revolutionary

architecture design with solution process to solve the intrinsic short stability in conventional

structure

Optimized sol-gel metal oxide charge transport process for pilot production of QLED device

fabrication

Implemented next generation of flexible super imaging photo-detector arrays on hybrid materials

with high efficiency (IQE up to 47.5% at 1100nm response) and fast response.

Fabricated QLED using cd-free quantum dot with high CRI and perfect CIE coordinates for lighting

Technical Assistant

Integrated Sensor Technology, Inc., Ames, IA (2004 2006)

Supervised and trained undergraduate student working on highly responsive oxygen sensor

Prototyped the first generation of structurally integrated oxygen sensor (low cost, fast response)

Improved oxygen sensor sensitivity by factor of 10

Research Associate

Ames Lab-U.S. DOE, Iowa State University, Ames, IA (2002 2007)

Fabricated and studied the characteristics of OLEDs (fluorescent and phosphorescent devices)

Implemented and developed oxygen (gas and dissolved phases), hydrazine and anthrax sensors

Key project executor on multiple government projects

OLED based hydrazine sensor for industrial and environmental security (funded by NASA)

Structurally integrated organic light emitting device-based sensors for gas phase and dissolved

oxygen (funded by NSF and NIH)

EDUCATION

Ph.D. in Physics May 2007 Iowa State University Advisor: Dr. Joseph Shinar

No work sponsorship required and references available upon request

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