주요 학력

2010.08 포항공과대학교 전자전기공학과 공학사

2012.08 서울대학교 전기컴퓨터공학부 공학석사

2016.08 서울대학교 전기컴퓨터공학부 공학박사

산업체 및 교육기관 주요경력

2016.09 - 2016.12: 서울대학교 반도체공동연구소 연수연구원

2017.01 - 2019.08: 미국 로스알라모스 국립연구소 Postdoctoral Research Associate

2019.09 - 2023.08 부산대학교 전기공학과 조교수

2023.09 -현재 부산대학교 전기공학과 부교수

논문

1. O. V. Kozlov, Y.-S. Park, J. Roh, I. Fedin, T. Nakotte, V. I. Klimov, "Sub?single-exciton lasing using charged quantum dots coupled to a distributed feedback cavity", Science 365, 672 (2019)

2. C.-M. Kang, J. Roh, H. Shin, C. Lee, H. Lee, "Investigation of improved performance for organic rectifying diodes via electrical annealing", IEEE Access 7, 84082 (2019)

3. W.-M. Kang, I.-T. Cho, J. Roh, C. Lee, J.-H. Lee, “Low-frequency noise characteristics in multi-layer WSe₂ field effect transistors with different contact metals”, J. Nanosci. Nanotechnol. 19, 6422 (2019)

4. H. Shin, J. Roh (equal contribution), J. Song, H. Roh, C.-M. Kang, T. Lee, G. Park, K. An, J. Y. Kim, H. Kim, J. Kwak, C. Lee, and H. Kim, “Highly stable organic transistors on paper enabled by a simple and universal surface planarization method”, Adv. Mater. Interfaces 6, 1801731 (2019). Selected as the front cover image.

5. J. Roh, J. H. Ryu, G. W. Baek, H. Jung, S. G. Seo, K. An, B. G. Jeong, D. C. Lee, B. H. Hong, W. K. Bae, J.-H. Lee, S. H. Jin, and C. Lee, “Threshold voltage control of multi-layered MoS₂ field-effect transistors via octadecyltrichlorosilane and their applications to active matrixed quantum dot displays driven by enhancement-mode logic gates”, Small 15, 1803852 (2019). Selected as the inside front cover image.

6. Y. Lee,  B. G. Jeong,  H. Roh,  J. Roh,  J. Han,  D. C. Lee, W. K. Bae,  J.-Y. Kim, and  C. Lee, “Enhanced lifetime and efficiency of red quantum dot light-emitting diodes with Y-doped ZnO sol-gel electron-transport layers by reducing excess electron injection”, Adv. Quantum Technol. 1, 1700006 (2018).

7. J. Roh, H. Kim, and C. Lee, “Bias stability modulated by the surface-polarity control of gate dielectrics in organic field-effect transistors”, Sci. Adv. Mater. 10, 288 (2018).

8. J. Roh, H. Kim, M. Park, J. Kwak, and C. Lee, “Improved electron injection in all-solution-processed n-type organic field-effect transistors with an inkjet-printed ZnO electron injection layer”, App. Surf. Sci. 420, 100 (2017).

9. D.-S. Song, J. Roh, C. Lee, J.-H. Bae, and H. Kim, “Electron clouding effect for improvement of electron injection in a solution-processed organic diode with dipolar self-assembled monolayers”, J. Nanosci. Nanotechnol. 17, 7275 (2017).

10. J. Y. Kim, J. Kim, J. J. Amsden, J. Roh, I. Park, D. Y. Yoon, H. Kim, and C. Lee, “Temperature dependence and impedance characteristics of hybrid solar cells based on poly(phenylene vinylene): ZnO nanoparticles with added surfactants”, IEEE J. Photovolt. 7, 1031 (2017).

11. G. Kwon, K. Kim, B. D. Choi, J. Roh, C. Lee, Y.-Y. Noh, S. Y. Seo, M.-G. Kim, and C. Kim, “Multifunctional organic-semiconductor interfacial layers for solution-processed oxide-semiconductor thin-film transistor”, Adv. Mater. 29, 1607055 (2017).

12. D.-S. Song, J. Roh, C. Lee, D. Y. Shin, J.-H. Bae, and H. Kim, “Hole injection in n-Type organic semiconductors by tuning metal work function with functional self-assembled monolayers”, J. Nanosci. Nanotechnol. 17, 3378 (2017).

13. J. Roh, T. Lee, C.-m. Kang, J. Kwak, P. Lang, G. Horowitz, H. Kim, and C. Lee, “Injection-modulated polarity conversion by charge carrier density control via a self-assembled monolayer for all-solution-processed organic field-effect transistors”, Sci. Rep. 7, 46365 (2017).

14. W.-M. Kang, I.-T. Cho, J. Roh, C. Lee, and J.-H. Lee, “High-gain complementary metal-oxide-semiconductor inverter based on multi-layer WSe₂ field effect transistors without doping”, Semicond. Sci. Technol. 31, 105001 (2016)

15. J. Roh, H. Shin, H. Kim, and C. Lee, “Polymer interfacial layer with high glass transition temperature for improvement of bias stability in organic field-effect transistors”, J. Nanosci. Nanotechnol. 16, 10325 (2016).

16. J. Han, D. Ko, M. Park, J. Roh, H. Jung, Y. Lee, Y. Kwon, J. Sohn, W. K. Bae, and C. Lee, “Toward high resolution inkjet-printed quantum dot light-emitting diodes for next generation display”, J. Soc. Inf. Display 24, 545 (2016). Selected as the front cover image.

17. J. Roh, H. Roh, H. Shin, H. Kim, and C. Lee, “Organic complementary ring oscillators using a functional polymer interfacial layer for highly improved oscillation frequency”, Polym. Bull. 73, 2531 (2016).

18. J. Roh, J.-H. Lee, S. H. Jin, and C. Lee, “Negligible hysteresis of molybdenum disulfide field-effect transistors by employing thermal annealing”, J. Inf. Disp. 17, 103 (2016).

19. J. Y. Kim, J. Kim, J. Roh, H. Kim, and C. Lee, “Efficiency improvement of organic photovoltaics adopting Li- and Cd-doped ZnO electron extraction layers”, IEEE J. Photovolt. 6, 930 (2016).

20. H.-J. Song, J. Roh, and C. Lee, “Simultaneous engineering of the substrate temperature and mixing ratio to improve the performance of organic photovoltaic cells”, J. Nanosci. Nanotechnol., 16, 5104 (2016).

21. C.-m. Kang, J. Wade, S. Yun, J. Lim, H. Cho, J. Roh, H. Lee, S. Nam, D. D. C. Bradley, J.-S. Kim, and C. Lee, “1-GHz pentacene diode rectifiers enabled by controlled film deposition on SAM-treated Au anodes”, Adv. Electron. Mater. 2, 1500282 (2016). Selected as the front cover image

22. J. Roh, I.-T. Cho, H. Shin, G. W. Baek, B. H. Hong, J.-H. Lee, S. H. Jin, and C. Lee, “Fluorinated CYTOP passivation effects on electrical reliability of multilayer MoS₂ field-effect transistors”, Nanotechnology, 26, 455201 (2015).

23. J. Y. Kim, E. Cho, J. Kim, H. Shin, J. Roh, M. Thambidurai, C.-m. Kang, H.-J. Song, S. Kim, H. Kim, and C. Lee, “Improved photovoltaic performance of inverted polymer solar cells through a sol-gel processed Al-doped ZnO electron extraction layer”, Opt. Express 23, A1334 (2015).

24. J. Roh, C. Lee, J. Kwak, B. J. Jung, and H. Kim, “Vapor-phase-processed fluorinated self-assembled monolayer for organic thin-film transistors”, J. Korean Phys. Soc. 67, 941 (2015).

25. I.-T. Cho, J. I. Kim, Y. Hong, J. Roh, H. Shin, G. W. Baek, C. Lee, B. H. Hong, S. H. Jin, and J.-H. Lee, “Low frequency noise characteristics in multilayer WSe₂ field effect transistor”, Appl. Phys. Lett. 106, 023504 (2015).

26. J.-W. Ha, Y. Kim, J. Roh, J. I. Park, J. Kwak, C. Lee, and D.-H. Hwang, “Thermally curable polymers consisting of alcohol-functionalized cyclotetrasiloxane and melamine derivatives for use as insulators in OTFTs”, Org. Electron. 15, 3666 (2014).

27. J.­W. Ha, Y. Kim, J. Roh, F. Xu, J. I. Park, J. Kwak, C. Lee, and D.­H. Hwang, “Thermally curable organic/inorganic hybrid polymers as gate dielectrics for organic thin­film transistors”, J. Polym. Sci. Pol. Chem.52, 3260 (2014).

28. C.-M. Kang, H. Cho, M. Park, J. Roh, and C. Lee, “Effects of insertion of hole injection layers on pentacene rectifying diodes”, J. Nanosci. Nanotechnol. 14, 5301 (2014).

29. J. Roh, C.-m. Kang, J. Kwak, C. Lee, and B. J. Jung, “Overcoming tradeoff between mobility and bias stability in organic field-effect transistors according to the self-assembled monolayer chain lengths”, Appl. Phys. Lett. 104, 173301 (2014).

30. Y. Kim, J. Roh, J.-H. Kim, C.-M. Kang, I.-N. Kang, B. J. Jung, C. Lee, and D.-H. Hwang, “Photocurable propyl-cinnamate-functionalized polyhedral oligomeric silsesquioxane as a gate dielectric for organic thin film transistors”, Org. Electron. 14, 2315 (2013).

31. J. Roh, J. Lee, C.-m. Kang, C. Lee, and B. J. Jung, “Air stability of PTCDI-C13 based n-OFETs on polymer interfacial layers”, Phys. Status Solidi-Rapid Res. Lett. 7, 469 (2013).

32. J. Y. Kim, S. Noh, Y. M. Nam, J. Y. Kim, J. Roh, M. Park, J. J. Amsden, D. Y. Yoon, C. Lee, and W. H. Jo, “Effect of nanoscale SubPc interfacial layer on the performance of inverted polymer solar cells based on P3HT/PC₇₁BM”, ACS Appl. Mater. Interfaces 3, 4279 (2011)         

수상실적

1. 국제정보디스플레이 학술대회 금상 - 한국 정보디스플레이 학회 (2015.08)

2. 우수 박사학위 논문상 - 서울대학교 전기정보공학부 (2016.08)

3. 도연 논문상 - 서울대학교 반도체공동연구소 (2016.10)

4. 국제학술대회 우수 포스터 발표상 - 2018 Conference on Excited State Processes in Electronic and Bio Nanomaterials (2018.06)

특허

1. H. Cho, J. Roh, H. Lee, C. Lee, and Y. T. Hong, “Organic light-emitting device and method of fabricating the same”, US patent number: US09818965 (2017.11.14)

2. H. Cho, J. Roh, H. Lee, C. Lee, and Y. T. Hong, “Organic light-emitting device and method of fabricating the same”, US patent number: US9240570 (2016.01.19)

3. 이창희, 노정균, 김혁, “유기 전계 효과 트랜지스터 및 이를 제작하는 방법”, 출원번호: 1020180025800 (2018.03.05)

4. 정병준, 이창희, 노정균, “유기 전계 효과 트랜지스터의 제조방법”, 등록번호: 10-1649553 (2016.08.12)

5. 조현덕, 노정균, 이현구, 이창희, 홍용택, “유기 발광 소자의 제조 방법 및 그에 의한 유기 발광 소자”, 등록번호: 10-1306192 (2013.09.03)