Professor

SOOHWAN JANG                                                

E-mail: jangmountain@dankook.ac.kr

Professor, Chair of Department of Chemical Engineering, Dankook University

Room#510 Eng. BLD#3                                                                                                                                                                           Phone,   Mobile: 82-10-2963-0719

126, Jukjeon-ro, Suji-gu, Yongin-si                                                                                                                                                                        Office: 82-31-8005-3623

Gyeonggi-do, 16890, Korea

     Area             Compound Semiconductors (Advisor: Dr. Fan Ren)

     Thesis          Design, fabrication, and characterization of compound semiconductors for electronic and photonic devices

EDUCATION

Ph.D.             Chemical Engineering, University of Florida, Gainesville, FL. 2007

B.S.                Chemical Engineering, Seoul National University, Korea, 2003

PROFESSIONAL EXPERIENCE

 Dankook University, Korea                                                                 Mar. 2009-present

    Professor                                                                                                                       Mar. 2020-present

    Chair of Department of Chemical Engineering                                           Jan. 2020-present

                                                                                               Jan. 2016-Dec. 2016 Mar. 2020-present

   Associate Professor                                                                                            Mar. 2015-Feb. 2020

   Assistant Professor                                                                                              Mar. 2009-Feb. 2015

     Department of Chemical Engineering


University of Florida, Gainesville, FL                                                Jan. 2017 - Feb. 2018

     Visiting Research Scholar

     Department of Chemical Engineering


Samsung Electronics, Korea                                                                Sep. 2007-Jan. 2009

     Senior Engineer

     Flash Memory Process Architecture Team


Bell Labs, Alcatel-Lucent Technologies, Murray Hill, NJ                 Jan. 2007-Feb. 2007

     INTERN

     Semiconductor Physics Research

 

University of Florida, Gainesville, FL                                                 Aug. 2005-May. 2006

     Graduate Teaching Assistant

     Department of Chemical Engineering

 

University of Florida, Gainesville, FL                                                 Aug. 2003-May. 2007

     Graduate Research Assistant

     Semiconductor Materials and Devices Labs, Department of Chemical Engineering


PORFESSIONAL ACTIVITIES / SEVICE

 

Technical Conference Organization

Professional Associations

Reviewer of Technical Journals

 ARCADEMIC ACHIEVENTS

 

1. Gas Sensors

- Effect of atomic configuration of (-201) and (010) Ga2O3 single crystal planes on the hydrogen sensing characterization of Pt Schottky diodes was investigated.

- Ammonia and carbon dioxide sensor based on AlGaN/GaN HEMT with ZnO nanorods on gate region was developed

- Highly sensitive ammonia sensor based on AlGaN/GaN HEMT with ZnO nanorods on gate region was developed.

- AlGaN/GaN HEMT hydrogen sensor with PMMA or  polyimide based moisture barrier was developed for humid ambient application.

- Ethanol sensor based on AlGaN/GaN HEMT with catalytic silver was developed.

- Highly sensitive (11-20) and (11-22) plane GaN hydrogen sensors using photo-chemical etching was developed.

- Hydrothermally grown a-plane ZnO hydrogen sensor was demonstrated

- AlGaN/GaN HEMT based hydrogen sensors using Pt nano-networks with large surface to volume ratio were developed.

- Dependence of crystal plane and polarity in GaN on hydrogen sensing was investigated.

 

2. Light Emitting Diodes

- Nonpolar a-plane n-type ZnO or or ZnCdO  (grown by facile solution method) / p-GaN hybrid LED was realized.

- Organic LED with improved cryogenic LiF/Al electrode was developed.

- Self-annealing process of neutron irradiated InGaN/GaN LEDs was investigated.

 

3. GaN based RF and Power Devices

- Degradation mechanisms of AlGaN/GaN high electron mobility transistor (HEMT) were elucidated.

- Effects of neutron and proton irradiation on GaN based HEMTs were investigated.

- Enhancement Mode GaN metal oxide semiconductor (MOSFET) using Si diffusion was developed.

 

4. InGaAs based Photodetectors

- Optimal design of InGaAs based metal semiconductor metal (MSM) photodector was established.

- Effect of transparent ITO electrode on MSM photodetector was investigated.

ACADEMIC HONORS


TEACHING/INSTRUCTION DEVELOPMENT

Undergraduate Courses Developed/Taught (Dankook University)

Graduate Courses Developed/Taught (Dankook University)