Advanced

Optoelectronic Device Lab.

40. Jeong Ha Hwang, Eunyong Seo, Sangwook Park, Kyungjae Lee, Dong Hyun Kim, Seok Hyoung Lee, Yong Woo Kwon, Jeongkyun Roh, Jaehoon Lim and Donggu Lee*, All-Solution-Processed Quantum Dot Light-Emitting Diode Using Phosphomolybdic Acid as Hole Injection Layer, Materials, 16(4), (2023), 1371.

39. Dongmin Lee, Yongchan Jang, Jeong Kim, Sang Young Jeong, Han Young Woo, Donggu Lee, Jong Bok Kim, Youngmin Lee, Changyeon Lee* and Wonho Lee*, Impacts of Metal Oxide Diffusion and Materials Design on Thermal Stabilities of Non-Fullerene Polymer Solar Cells, Journal of Materials Chemistry A, 11(6), (2023), 3008-3017.

38. Jeonga Kim, Muhammad Ahsan Saeed, Sung Hyun Kim, Dongmin Lee, Yongchan Jang, Jin Su Park, Donggu Lee, Changyeon Lee, Bumjoon J Kim, Han Young Woo, Jae Won Shim* and Wonho Lee*, Revisiting the Classical Wide-Bandgap Homo and Random Copolymers for Indoor Artificial Light Photovoltaics, Macromolecular Rapid Communications, 43(19), (2022) 2200279.

37. Hyeong Woo Bae*, Yong Woo Kwon, Myungchan An, Junmo Kim, Jang Hyuk Kwon and Donggu Lee*, High-Color-Stability and Low-Driving-Voltage White Organic Light-Emitting Diodes on Silicon with Interlayers of Thin Charge Generation Units for Microdisplay Applications, ACS Applied Electronic Materials, 3(7), (2021) 3240-3246. 

36. Donggu Lee, Jaehoon Lim, Myeongjin Park, Chan-Mo Kang and Hyunkoo Lee*, Device Characteristics of Inverted Red Colloidal Quantum-Dot Light-Emitting Diodes Depending on Hole Transport Layers, Science of Advanced Materials, 13, (2021) 917-921.  

35. Junmo Kim, Jeong Ha Hwang, Yong Woo Kwon, Hyeong Woo Bae, Myungchan An, Wonho Lee* and Donggu Lee*, Hydrogen-Assisted Low-Temperature Plasma-Enhanced Chemical Vapor Deposition Thin-Film Encapsulation for Top-Emission Organic Light-Emitting Diodes, Organic Electronics, 97, (2021) 106261. 

34. Jeong Ha Hwang, Junmo Kim, Byong Jae Kim, Myeongjin Park, Yong Woo Kwon, Myungchan An, Dong Yeol Shin, Jae Min Jeon, Jun Young Kim, Wonho Lee, Jaehoon Lim and Donggu Lee*, Hole Injection of Quantum Dot Light-Emitting Diodes Facilitated by Multilayered Hole Transport Layer, Applied Surface Science, 558, (2021) 149944. 

33. Myeongjin Park, Jiyun Song, Heeyoung Jung, Myungchan An, Jaehoon Lim, Changhee Lee, Jeongkyun Roh and * Donggu Lee*, Improving Performance of Inverted Blue Quantum-Dot Light-Emitting Diodes by Adopting Organic/Inorganic Double Electron Transport Layers, Physica Status Solidi RRL, 14, (2020) 1900737. 

32. Jiyun Song, Priyanka Tyagi, Kunsik An, Myeongjin Park, Heeyoung Jung, Namyoung Ahn, Mansoo Choi, Donggu Lee and * Changhee Lee*, Degradation of electrical characteristics in low-bandgap polymer solar cells associated with light-induced aging, Organic Electronics, 81, (2020) 105686 . 

31. Donggu Lee*, Junmo Kim, Gyeongtae Park, Hyeong Woo Bae, Myungchan An and Jun Young Kim*, Enhanced Operating Temperature Stability of Organic Solar Cells with Metal Oxide Hole Extraction Layer, Polymers, 12(4), (2020) 992. 

30. Myeongjin Park, Jeongkyun Roh, Jaehoon Lim, Hyunkoo Lee and Donggu Lee*, Double Metal Oxide Electron Transport Layers for Colloidal Quantum Dot Light-Emitting Diodes, Nanomaterials, 10(4), (2020) 726. 

29. Myeongjin Park, Jiyun Song, Myungchan An, Jaehoon Lim, Changhee Lee, Jeongkyun Roh* and Donggu Lee*, Colloidal quantum dot light-emitting diodes employing solution-processable tin dioxide nanoparticles in an electron transport layer, RSC Advance, 10(14), (2020) 8261-8265. 

28. Donggu Lee+, Jaehoon Lim+, Myeongjin Park, Jun Young Kim, Jiyun Song, Jeonghun Kwak, Seonghoon Lee*, Kookheon Char* and Changhee Lee*, The influence of sequential ligand exchange and elimination on the performance of P3HT:CdSe quantum dot hybrid solar cells, Nanotechnology, 26,(2015) 465401.

27. Jiyun Song+, Jaehoon Lim+, Donggu Lee, M. Thambidurai, Jun Young Kim, Myeongjin Park, Hyung-Jun Song, Seonghoon Lee, Kookheon Char* and Changhee Lee*, Nanostructured Electron-Selective Interlayer for Efficient Inverted Organic Solar Cells, ACS Applied Materials & Interfaces, 7(33), (2015) 18460. 

26. Hyunduck Cho+, Jeonghun Kwak+,*, Jaehoon Lim, Myeongjin Park, Donggu Lee, Wan Ki Bae, Youn Sang Kim, Kookheon Char, Seonghoon Lee and Changhee Lee*, Soft Contact Transplanted Nanocrystal Quantum Dots for Light-Emitting Diodes: Effect of Surface Energy on Device Performance, ACS Applied Materials & Interfaces, 7, (2015) 10828. 

25. Wan Ki Bae+, Jaehoon Lim+, Donggu Lee+, Myeongjin Park, Hyunkoo Lee, Jeonghun Kwak, Kookheon Char*, Changhee Lee* and Seonghoon Lee*, R/G/B/Natural White Light Thin Colloidal Quantum Dot-Based Light-Emitting Devices, Advanced Materials, 26, (2014) 6387. 

24. Hyung-Jun Song, Jun Young Kim, Yongwon Kwon, Youngjun Ko, Donggu Lee, Ho Jung Syn, Jiyun Song, Jeonghun Kwak* and Changhee Lee*, Improvement in the efficiency of organic solar cells using a low-temperature evaporable optical spacer, Japanese Journal of Applied Physics, 53, (2014) 08NJ04. 

23. Wan Ki Bae, Jaehoon Lim, Matthias Zorn, Jeonghun Kwak, Young-Shin Park, Donggu Lee, Seonghoon Lee, Kookheon Char*, Rudolf Zentel* and Changhee Lee*, Reduced efficiency roll-off in light-emitting diodes enabled by quantum dot-conducting polymer nanohybrids, Journal of Materials Chemistry C, 2(25), (2014) 4974. 

22. Jaehoon Lim+, Donggu Lee+, Myeongjin Park, Jiyun Song, Seonghoon Lee, Moon Sung Kang*, Changhee Lee* and Kookheon Char*, Modular Fabrication of Hybrid Bulk Heterojunction Solar Cells Based on Breakwater-like CdSe Tetrapod Nanocrystal Network Infused with P3HT, The Journal of Physical Chemistry C, 118, (2014) 3942. 

21. Aaron Breivogel, Myeongjin Park, Donggu Lee, Stefanie Klassen, Angelika Kuhnle, Changhee Lee, Kookheon Char and Katja Heinze*, Push-Pull Design of Bis(tridentate) Ruthenium(II) Polypyridine Chromophores as Deep Red Light Emitters in Light-Emitting Electrochemical Cells, European Journal of Inorganic Chemistry, 2014(2) (2014) 288. 

20. Hyung-Jun Song, Jun Young Kim, Donggu Lee, Jiyun Song, Youngjun Ko, Jeonghun Kwak and Changhee Lee*, Origin of the Mixing Ratio Dependence of Power Conversion Efficiency in Bulk Heterojunction Organic Solar Cells with Low Donor Concentration, Journal of Nanoscience and Nanotechnology, 13, (2013) 7982-7987.

19. Wan Ki Bae+, Young-Shin Park+, Jaehoon Lim+, Donggu Lee, Lazaro A. Padilha, Hunter McDaniel, Istvan Robel, Changhee Lee, Jeffrey M. Pietryga and Victor I. Klimov*, Controlling the influence of Auger recombination on the performance of quantum-dot light-emitting diodes, Nature Communications, 4, (2013) 2661. 

18. Jaehoon Lim+, Myeongjin Park+, Wan Ki Bae, Donggu Lee, Seonghoon Lee*, Changhee Lee* and Kookheon Char*, Highly Efficient Cadmium-Free Quantum Dot Light-Emitting Diodes Enabled by the Direct Formation of Excitons within InP@ZnSeS Quantum Dots, ACS Nano, 7(10), (2013) 9019-9026.

17. Jeong-Wook Mun, Illhun Cho, Donggu Lee, Won Sik Yoon, Oh Kyu Kwon, Changhee Lee and Soo Young Park*, Acetylene-bridged D-A-D type small molecule comprising pyrene and diketopyrrolopyrrole for high efficiency organic solar cells, Organic Electronics 14(9), (2013) 2341-2347.

16. Lisa zur Borg+, Donggu Lee+, Jaehoon Lim+, Wan Ki Bae, Myeongjin Park, Seonghoon Lee*, Changhee Lee*, Kookheon Char* and Rudolf Zentel*, The effect of band gap alignment on the hole transport from semiconducting block copolymers to quantum dots, Journal of Materials Chemistry C, 1(9), (2013) 1722-1726. 

15. Jun Young Kim, Hyunkoo Lee, Jungho Park, Donggu Lee, Hyung-Jun Song, Jeonghun Kwak and Changhee Lee*, Effect of Sol-Gel-Derived ZnO Interfacial Layer on the Photovoltaic Properties of Polymer Solar Cells, Japanese Journal of Applied Physics, 51(10), (2012) 10NE29. 

14. Jeonghun Kwak+, Wan Ki Bae+, Donggu Lee, Insun Park, Jaehoon Lim, Myeongjin Park, Hyunduck Cho, Heeje Woo, Do Y. Yoon, Kookheon Char*, Seonghoon Lee* and Changhee Lee*, Bright and efficient full-color colloidal quantum dot light-emitting diodes using an inverted device structure, Nano Letters, 12(5), (2012) 2362-2366. 

13. Jaehoon Lim, Wan Ki Bae, Donggu Lee, Min Ki Nam, Joohyun Jung, Changhee Lee, Kookheon Char* and Seonghoon Lee*, InP@ZnSeS, Core@Composition Gradient Shell Quantum Dots with Enhanced Stability, Chemistry of Materials, 23(20), (2011) 4459-4463. 

12. Seunguk Noh, Donggu Lee, Jun Young Kim, Yongju Park, Changhee Lee* and Jason J. Amsden, Area and Light Intensity Dependence of Buffer Layers on P3HT:PCBM Solar Cells, Journal of the Korean Physical Society, 59(2), (2011) 207-210.

11. Yongju Park, Seunguk Noh, Donggu Lee, Jun Young Kim and Changhee Lee*, Temperature and Light Intensity Dependence of Polymer Solar Cells with MoO3 and PEDOT:PSS as a Buffer Layer, Journal of the Korean Physical Society, 59, (2011). 362-366. 

10. Jun Young Kim, Seunguk Noh, Donggu Lee, Pradipta K. Nayak, Yongtaek Hong, and Changhee Lee*, Solution-Processable Zinc Oxide for the Polymer Solar Cell Based on P3HT:PCBM, Journal of Nanoscience and Nanotechnology, 11(7), (2011) 5995-6000. 

9. Yongju Park, Seunguk Noh, Donggu Lee, Junyoung Kim and Changehee Lee*, Study of the Cesium Carbonate (Cs2CO3) Inter Layer Fabricated by Solution Process on P3HT:PCBM Solar Cells, Molecular Crystals and Liquid Crystals, 538, (2011) 20-27. 

8. Donggu Lee, Wan Ki Bae, Insun Park, Do Y. Yoon, Seonghoon Lee* and Changhee Lee*, Transparent Electrode with ZnO Nanoparticles in Tandem Organic Solar Cells, Solar Energy Materials and Solar Cells, 95, (2011) 365-368. 

7. Insun Park, Younhee Lim, Sangtaik Noh, Donggu Lee, Michael Meister, Jason J. Amsden, Frederic Laquai, Changhee Lee* and Do Y. Yoon*, Enhanced photovoltaic performance of ZnO nanoparticle/poly(phenylene vinylene) hybrid photovoltaic cells by semiconducting surfactant, Organic Electronics, 12, (2011) 424-428. 

6. Jun Young Kim, Seunguk Noh, Donggu Lee and Changhee Lee*, Organic Tandem Solar Cell Using a Semi-transparent Top Electrode for Both-side Light Absorption, Journal of the Korean Physical Society, 57 (2010) 1852-1855. 

5. Wan Ki Bae+, Jeonghun Kwak+, Jaehoon Lim, Donggu Lee, Min Ki Nam, Kookheon Char*, Changhee Lee* and Seonghoon Lee*, Multicolored Light-Emitting Diodes Based on All-Quantum Dot Multilayer Films Using Layer-by-Layer Assembly Method, Nano Letters, 10, (2010) 2368-2373. 

4. Seunguk Noh, C. K. Suman, Donggu Lee, Seohee Kim and Changhee Lee*, Study of buffer layer thickness on bulk heterojunction solar cell, Journal of Nanoscience and Nanotechnology, 10, (2010) 6815-6818. 

3. Donggu Lee, Jeongho Park, Seunguk Noh, Junyoung Kim, Seonghoon Lee and Changhee Lee*, Effect of Solution Processed Salt Layers on the Device Performances of Polymer Solar Cells, Thin Solid films, 518, (2009) 541-544.

2. Wan Ki Bae+, Jeonghun Kwak+, Jaehoon Lim, Donggu Lee, Min Ki Nam, Kookheon Char*, Changhee Lee* and Seonghoon Lee*, Deep blue light-emitting diodes based on Cd1-xZnxS@ZnS quantum dots, Nanotechnology, 20, (2009) 075202. 

1. C.K. Suman, Seunguk Noh, Seohee Kim, Sin-Doo Lee, Changhee Lee*, Donggu Lee and Jeongho Park, Electrical impedance studies of the effect of a buffer layer on organic bulk hetrojunction solar cells, Journal of the Korean Physical Society, 53(6), (2008) 3278-3282.a