Yoo, Tae Jin (T.J.Yoo)

Current Course :

E-mail Address :

Phone Number :

Ph. D. Course

tjyoo123@postech.ac.kr

82-54-279-5422

Research Interest

Graphene photonics
Graphene plasmonics

Education

Since 2015 : Ph.D., Dept. of MSE, Gwangju Institute of Science and Technology (GIST)
2014-2015 : M.S., Dept. of MSE, Gwangju Institute of Science and Technology (GIST)
2010 – 2014 : B.S., Chemistry concentration, Gwangju Institute of Science and Technology (GIST)

Publication

Journals

21	S.M.Kim, H.I.Lee, Y.S.Lee, S.Y.Kim, T.J. Yoo, S.W.Heo, S.C.Kang, H.J.Hwang, B.H.Lee*, "Non-destructive Analysis of physical defects in a graphene channel using Amplitude Modulated Discharge Current," Submitted to Nature Electronics (2021).
20	T.J.Yoo, S.Y.Kim, M.G.Kwon, C.H.Kim, K.E.Chang, H.J.Hwang and B.H. Lee*, "A facile method to improve the detectivity of graphene/p-type silicon heterojunction photodetector," Submitted to Laser and Photonics Reviews (2021).
19	T.J.Yoo, H.J.Hwang, S.C.Kang, S.W.Heo, H.I.Lee, Y.G.Lee, H.K.Park, S.K.Lee and B.H. Lee*, "Direct defect level analysis for Metal-Insulator-Metal Capacitor using Internal Photoemission Spectroscopy," Submitted to J. of EDS (2020)
18	J.Y. Park, T.J. Yoo, J.M. Yu, B.H. Lee, Y.G. Choi, "Impact of Post-Metal Annealing with Deuterium or Nitrogen for Curing a Gate Dielectric using Joule Heat Driven by Punch-Through Current", IEEE Electron Device Letters (2020). DOI 10.1109/LED.2020.3043384
17	H.H. Kim, W. Kim, U. Pak, T.J. Yoo, H.W. Lee, B.H.Lee, S. Kwon, G.Y.Jung, "Bias-modulated multicolor discrimination enabled by an organic-inorganic hybrid perovskite photodetector with a p-i-n-i-p configuration", Laser & Photonics Reviews (2020).
16	J.M.Yu, J.Y. Park, T.J. Yoo, J.K. Han, B.H. Lee, D.H. Yun, G.B. Lee, S.U. Kim, B.H.Lee, Y.K. Choi, "Quantitative Analysis of High-Pressure Deuterium Annealing Effects on Vertically-Stacked Gate-All-Around SONOS Memory," IEEE Transactions on Electron Devices 67(9), pp.3903-3907(2020).
15	H.J. Lee, H.Shin, G. Anoop, T.J. Yoo, S. So, J. Ryu, B.H. Lee, J.Y. Song, E. Lee, S. Hong, J.H. Lee, J.Y. Jo, "Tunable in-plane thermal conductivity of a sinle PEDOT:PSS nanotubes," Nanoscale 12(16), p.8701 (2020)
14	S.B. Mitta, F. Ali, Z. Yang,, I.Y.Moon, F. Ahmed T.J. Yoo, B.H. Lee, W.J. Yoo, "Gate-Modulated Ultrasensitive Visible and Near-Infrared Photodetection of Oxygen-Plasma Treated WSe2 Lateral pn–Homojunctions," ACS Applied Materials and Interface 12(20), p.23261(2020)
13	B. Allouche, H.J. Hwang, T.J. Yoo and B.H. Lee, "Negative electrocaloric effect in antiferroelectric zirconium dioxide thin film,” Nanoscale* 12(6), pp. 3894-3901(2020)
12	N.S.Lim, Y.S.Park, J.K. Kim, T.J.Yoo, H.H. Kim, Y. Kumaresan, W.C.Kim, S.J. Cho, S.C.Kwon, B.H.Lee, T.H.Lee, G.Y.Jung, "Enhanced Photo-response of MoS₂ Photodetectors by a Laterally Aligned SiO₂ Nanoribbon Array Substrate,” ChemNanoMat, 5(10), 1272-1279, (2019).
11	S.K. Lee, Y.J. Kim, S. Heo, W. Park, T.J. Yoo, C. Cho, H.J. Hwang, and B.H. Lee, " Advantages of a buried-gate structure for graphene field-effect transistor ,” Semiconductor Science and Technology* 34, p.055010 (2019).
10	K.E.Chang, C.H.Kim, T.J.Yoo, M.K.Kwon, S.Heo, S.Y.Kim, Y.Hyun, J.I.Yoo, H.C.Ko, B.H. Lee, “ High-Responsivity Near-Infrared Photodetector Using Gate-modulated Graphene/Germanium Schottky Junction,” Advanced Electronic Materials*, 5(6), 1800957 (2019).
9	S.K .Lim, S.C. Kang, T.J. Yoo, S.K. Lee, B.H. Lee, “ Operation mechanism of MoS2/BP hetero junction FET,” Nanomaterials* 8(10), p.797(2018).
8	K.E. Chang, T.J. Yoo, C.H. Kim, Y.J. Kim, S.K. Lee, S.Y. Kim, S.W.Heo, M.G. Kwon, B.H. Lee, “Gate controlled graphene-silicon Schottky junction photodetector," Small* 14(28), p. 1801182(2018).
7	J.I. Yoo, H.S. Jang, J.W.Jang, J.W.Yoon, Y.K. Oh, J.J. Park, S.M. Kang, T.J. Yoo, S.H. Kim, B.H. Lee, S.H. Choa and H.C.Ko, “Reliable peripheral anchor-assisted transfer printing of ultrathin SiO2 for transparent and flexible IGZO-based inverter," *Microelectronic Engineering*, 197, pp.15-22 (2018).
6	N.S. Lim, T.J. Yoo, J.T. Kim, Y.S. Park, K. Yogeenth, H.H. Kim, W.C. Kim, B.H. Lee, G.Y. Jung, “Tunable Graphene Doping by Controlling Nanopores Geometry ona SiO2/Si Substrate,"*RSC Advances* 8(17), 9031-907 (2018).
5	T.J.Yoo, Y.J.Kim, S.K.Lee, C.G.Kang, K.E.Chang, H.J.Hwang, N. Revannath, B.H.Lee, "Zero-bias operation of CVD graphene photodetector with asymmetric metal contacts," ACS Photonics* 5(2), 365-370(2018).
4	S.S.Chee, C.H.Oh, M.W.Son, G.C.Son, H.B.Jang, T.J.Yoo, S.M.Lee, W.K.Lee, J.Y.Hwang, H.Y.Choi, B.H.Lee, M.H.Ham, “Sulfur vacancy-induced reversible doping of transition metal disulfides via hydrazine treatment," *Nanoscale* 9 (27) , pp.9333(2017).
3	B.J. Cho, M.G. Hahm, M.S. Choi, J.W. Yoon, A.R. Kim, Y.J. Lee, S.G. Park, J.D. Kwon, C.S. Kim, M.K. Song, Y.S. Jeong, K.S. Nam, S.C. Lee, T.J. Yoo, C.G. Kang, B.H. Lee, H.C. Ko, P. Ajayan, D.H. Kim, “ Charge-transfer-based Gas Sensing Using Atomic-layer MoS2”, Scientific Reports, 5, 8052 (2015)
2	B.J.Cho, Cho, A.R. Kim, Y.J. Park, J.W. Yoon, Y.J. Lee, S.C. Lee, T.J. Yoo, C.G. Kang, B.H. Lee, H.C. Ko, D.H. Kim, M.G. Hahm, “Bifuntional Sensing Characteristics of chemical vapor deposition synthesized Atomic-Layered MoS2,” on-line published, *ACS Applied Materials and Interface*, (2015)
1	C.G. Kang, S.K.Lee, T.J. Yoo, W. Park, U. Jung, J. Ahn, B.H. Lee, “Highly Sensitive Wide Bandwidth Photodetectors using Chemical Vapor Deposited Graphene,” Appl. Phys. Lett.* 104, 161902 (2014).

Conferences

구분	번호	제목
국제	38	C.H.Kim, T.J.Yoo, M.G.Kwon, Y.S.Lee, H.J.Hwang, and B.H.Lee, "Improving the Responsivity of Graphene/Ge Schottky Junction Infrared Photodetector via Impact Ionization" Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE)*, (2020).
국제	37	C.H.Kim, T.J.Yoo, M.G.Kwon, Y.S.Lee, H.J.Hwang and B.H.Lee, "Graphene/Ge Schottky junction infrared photodetector with embedded MOS system", NANO KOREA, (2020) Best poster award.*
국내	36	유태진, 김소영, 김시현, 권민규, 황현준, 이병훈, "화학적 도핑 방법을 이용한 그래핀/p-Si 쇼트키 접합 조절 연구", The 27th Korean Conference of Semiconductors (KCS), (2020)
국내	35	김승모, 김소영, 이호인, 이용수, 유태진, 김시현, 황현준, 이병훈, "화학적 토핑 방법을 이용한 그래핀 일함수 조율의 전기적 특성 분석", The 27th Korean Conference of Semiconductors (KCS), (2020)
국내	34	권민규, 유태진, 김시현, 황현준, 이병훈, "Contact Metalontact Metal에 따른 WS2 광검출기의 암전류 감소에 관한 연구", The 27th Korean Conference of Semiconductors (KCS), (2020)
국내	33	김시현, 유태진, 권민규, 이용수, 김승모, 황현준, 이병훈, "MOS 커패시터가 내장된 그래핀/Ge 쇼트키 접합 광소자", The 27th Korean Conference of Semiconductors (KCS), (2020)
국제	32	T.J.Yoo, S.Y.Kim, C.Kim, M.G.Kwon, K.E.Chang, H.J.Hwang, B.H.Lee, "Dark current reduction for the chemically doped graphene/p-Si Schottky photodetector", 50th IEEE Semiconductor Interface Specilaists Conference (SISC), (2019)
국제	31	Min Gyu Kwon, Cihyun Kim, Tae Jin Yoo, Kyoung Eun Chang, Hyeon Jun Hwang, Byoung Hun Lee, "Improvement of performance of graphene/Ge photodetector by graphene doping chemical concentration", NANO KOREA, (2019)
국제	30	Cihyun Kim, Tae Jin Yoo, Min Gyu Kwon, Kyoung Eun Chang, Yongsu Lee, Hyeon Jun Hwang, and Byoung Hun Lee, "Performance improvement of graphene/Ge Schottky junction infrared photodetector with interfacial thin oxide layer", Nano Korea, (2019)
국제	29	B.H.Lee, K.E.Chang, C.H. Kim, T.J.Yoo, M.G.Gwon, "High sensitivity and low cost infrared photodetector using a gated graphene/semiconductor heterojunction," presented at European MRS, Nice, France, 2019.
국내	28	김시현, 장경은, 권민규, 유태진, 이병훈, "Ge 도핑 농도에 따른 그래핀/Ge 쇼트키 접합 광소자의 특성 변화", The 26th Korean Conference on Semiconductors (KCS), (2019) Best poster award.
국내	27	유태진, 이용수, 이상경, 황현준, 이병훈, "CVD 그래핀의 성장시간에 따른 전기적 특성 변화", The 26th Korean Conference on Semiconductors (KCS), (2019)
국내	26	권민규, 장경은, 김시현, 김소영, 유태진, 이병훈, "화학적 도핑을 적용한 그래핀-Ge 기반 광검출 소자의 암전류 감소", The 26th Korean Conference of Semiconductors (KCS), (2019)
국제	25	Seung-Mo Kim, Sunwoo Heo, Ho-In Lee, Yongsu Lee, So-Young Kim, Tae Jin Yoo, Byoung Hun Lee, "Schottky barrier height extraction of p-type semiconductor barristor", Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2018)
국제	24	Yongsu Lee, Sunwoo Heo, Hyeon Jun Hwang, Ho-In Lee, Seung-Mo Kim, Tae Jin Yoo, Byoung Hun Lee, "Nano‐Electro‐Mechanical(NEM) switch and Schmitt trigger application using multilayer graphene", Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2018)
국제	23	B.H.Lee, Y.J.Kim, T.J.Yoo, S.Y.Kim, H.Jun.Hwang, S.K.Lee, "Electronic device applications of graphene for future semiconductor technology," IUMRS-ICAM, Daejon, Korea (2018). *Invited*
국제	22	Sunwoo Heo, Seung Mo Kim, Kyoung Eun Chang, Ho-In Lee, Kiyung Kim, Tae Jin Yoo, So-Young Kim, Yongsu Lee, Byoung Hun Lee, "Impact of charged impurities on graphene barristor", Nano Korea, (2018).
국제	21	B.H.Lee, Y.J.Kim. T.J.Yoo, S.Y.Kim, H.J.Hwang, S.K.Lee, "Electronic device applications of graphene for future semiconductor technology," Graphene 2018, Dresden, Germany (2018). Invited
국내	20	김시현, 장경은, 유태진, 권민규, 이병훈, "ZnO top gate를 이용한 그래핀/Ge 쇼트키 접합의 광소자 응용", The 25th Korean Conference on Semiconductors (KCS), (2018), Best poster award.
국제	19	So-Young Kim, Ji-Ae Yoo, Tae Jin Yoo, Yun Ji Kim, Sang Kyung Lee, Byoung Hun Lee, "Control of graphene doping using an interfacial oxide layer", The 4th International Symposium on Hybrid Materials and Processing (HyMaP), (2017)
국내	18	이상경, 황현준, 유태진, 이병훈, "Commercialization of high quality CVD graphene using Roll-to-plate based transfer in vacuum", NANO Convergence Conference (2017).
국내	17	김시현, 김윤지, 유태진, 장경은, 이병훈, "고압 수소 열처리를 이용한 그래핀 광소자의 성능 개선", The 24th Korean Conference on Semiconductors (KCS), 2017
국제	16	Kyoung Eun Chang, Tae Jin Yoo, Ci hyun Kim, Sang Kyung Lee, Yun Ji Kim, Byoung Hun Lee, "High responsivity Graphene/Ge Schottky junction photodetector using ITO top gate modulation", Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2016)
국제	15	Ho In Lee, Sang Kyung Lee, Tae Jin Yoo, Abu Naser Rashid Reza, Byoung Hun Lee, "Monolithic 3D Integration of Graphene field-effect transistors", Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2016), Best poster award.
국제	14	T.J.Yoo, Y.H.Kim, S.K.Lee, K.E.Chang, A.N.R.Reza, H.I.Lee, B.H.Lee, “Near Infrared Photon Absorption at Graphene Photodetectors Decorated with Black Phosphorus Flakes", Nano Korea, (2016).
국내	13	이상경, 조천흠, 유태진, 이호인, A.N.R.Reza, 이병훈, "그래핀 RF 소자의 drain-gate coupling에 의한 다중 신호 공진 현상", 23rd Korean Conference on Semiconductors(KCS), 2016
국내	12	Sang Kyung Lee, Tae Jin Yoo, Abu Naser Rshid Reza, Ho In Lee, Byoung Hun Lee, "Study on the RF operation of graphene FETs ", Nano convergence Conference 2016, (2016)
국제	11	K.E.Chang. J.Jung, T.J. Yoo, H.J. Hwang, W.B. Yoo, Y.J. Kim, S.K.Lee, and B.H.Lee, "Gate tunable high photo responsivity due to the unique photo carrier transfer mechanism at graphene/Si interface", SISC (2015)
국제	10	S.K. Lee, U. Jung, C. Cho, T.J. Yoo, A.N.R. Reza, H.I. Lee, and B.H. Lee, "The role of interface charge traps in the RF operation of graphene devices", SISC, (2015)
국내	9	이병훈, 장경은, 김윤지, 유태진, 심창후, 김소영, 이상경, "Electronic Device Applications of Graphene", Electronic Materials and Nanotechnology for Green Environment (ENGE), (2015) (Invited)
국내	8	유태진, 이상경, A.N.R. Reza, 이호인, 이병훈, “광반응성 향상을 위한 적층형 그래핀 포토디텍터", Electronic Materials and Nanotechnology for Green Environment (ENGE), (2015), Best poster award.
국제	7	B.H.Lee, T.J.Yoo, R. Choi, J.Ahn, J.Cho, "Wide bandwidth graphene photodetector with asymmetric contacts", 24th Int. Mat. Res. Cong.(IMRC), Cancun, Mexico, 2015.
국내	6	이상경, 김윤지, 정욱진, 김용훈, 유태진, 이병훈, “Buried gate Graphene FET의 게이트 절연막 scaling 연구”, 22nd Korean Conference on Semiconductors(KCS), 2015
국제	5	K.E.Chang, U.Jung, T.J.Yoo, J.Noh, B.H.Lee, “Gate-tunable Wide Bandwidth Photodetector using Graphene/Silicon Schottky Contact", Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2014), Best poster award.
국제	4	H.N.Choi, S.K.Lee, T.J.Yoo, C.G.Kang, B.H.Lee, “Zero Bias Operation of CVD Graphene Photodetector using Asymmetric Metal Contacts", ” Int. Conf. on Electronic Materials and Nanotechnology for Green Environment (ENGE), (2014)
국제	3	T.J.Yoo, C.G.Kang, S.K.Lee, H.N.Choi, B.H.Lee, “Zero bias operation of CVD graphene photodetector with asymmetry metal contact", Nano Korea, (2014).
국내	2	유태진, 강창구, 이상경, 최선희, 이병훈, “Ambient Dependent Photonic Response of Graphene Photodetectors for Optical interconnect”,21st Korean Conference on Semiconductors(KCS), (2014).
국제	1	C.G.Kang, S.H.Choe, S.K.Lee, U.Jung, W.Park, Y.G.Lee, T.J.Yoo, and B.H.Lee, “Highly sensitive Al2O3 passivated CVD graphene photodetectors for UV to IR region”, Int. Workshop on Dielectric Thin Films. (IWDTF) , (2013).

Other Expertise

Technical Skills

E-beam lithography patterning
Graphene FET photonic response characterization
Electrical characterization of graphene device
Graphene Transfer process (PMMA method)
Graphene based device fabrication
Photolithography process

Course Work

Master

Introduction to Electrical and Mechanical Engineering for Medical Application
Physical Chemistry of Polymer
Lithography Process
Organic Materials for Electronics and Photonics I
Device Physics for Nanoscale Solid Devices
Introduction to the Materials Science and Engineering
Molecular spectroscopy
Technology Commercialization
Entrepreneurship
Structures and defects in materials

Ph. D

Special Topics in Condensed Matter Physics
Flexible Electronics: Materials and Applications

Notice

제목	작성일
[KBS 시사기획 창] 인터뷰	2019.08.23
[전자신문] 팔만대장경과 반도체	2019.08.23
[2015-05-13] 보도자료	2015.05.13
[2015-03-28] 성과를 나누는 지식활동	2015.04.27
Homepage renewal (EXEL 멤버 필독)	2015.03.26

Research Interest

Education

Publication

Journals

Conferences

Other Expertise

Technical Skills

Course Work

Master

Ph. D

Notice

About us

GIST Link