Publications

41. Effect of Third Component on Efficiency and Stability in Ternary Organic Solar Cells: More than a Simple Superposition

Sungwoo Jung,† Yongjoon Cho,† So-Huei Kang, Seong-Jun Yoon,* Changduk Yang*
Sol. RRL 2021, 6, 2100819

40. Regioregular, Yet Ductile and Amorphous Indacenodithiophene-based Polymers with High-Mobility for Stretchable Plastic Transistors 

Yongjoon Cho,† Sohee Park,† Seonghun Jeong, Heesoo Yang, Byongkyu Lee, Sang Myeon Lee, Byoung Hoom Lee,* Changduk Yang*
J. Mater. Chem. C 2021, 9, 9670‒9682

39. Unidirectional Macroscopic Alignment of Chlorobenzo[c]-[1,2,5]thiadiazole-based Semiconducting Copolymers with Controlled Regiochemistry

Sein Chung,† Yongjoon Cho,† Jinsung Kim,† Seon Baek Lee, Chaneui Park, Seunghyun Kim, Boseok Kang,* Changduk Yang,* Kilwon Cho*
Adv. Electron. Mater. 2021, 7, 2100551

38. Unassisted photocatalytic H2O2 production under visible light by fluorinated polymer-TiO2 heterojunction

Yerin Hong,† Yongjoon Cho,† Eun Min Go,† Pankaj Sharma,† Hyeonjin Cho, Byongkyu Lee, Sang Myeon Lee, Sung O Park, Myohwa Ko, Sang Kyu Kwak,* Changduk Yang,* Ji-Wook Jang*
Chem. Eng. J. 2021, 418, 129346

37. Chiral Optoelectronic Functionalities via the DNA–Organic Semiconductor Complex

Moon Jong Han, Hee Seong Yun, Yongjoon Cho, Minkyu Kim, Changduk Yang, Vladimir V. Tsukruk,* Dong Ki Yoon*
ACS Nano 2021, 15, 20353−20363

36. Simultaneous Interfacial Modification and Crystallization Control by Biguanide Hydrochloride for Stable Perovskite Solar Cell with PCE of 24.4%

Zhuang Xiong, Xiao Chen, Bo Zhang, George Omololu Odunmbaku, Zeping Ou, Bing Guo, Ke Yang, Zhipen Kan, Shirong Lu, Shanshan Chen, Nabonswende Aida Nadege Ouedraogo, Yongjoon Cho, Changduk Yang, Jiangzhao Chen, Kuan Sun*
Adv. Mater. 2021, 34, 2106118

35. Viable Mixing Protocol Based on Formulated Equations for Achieving Desired Molecular Weight and Maximal Charge Separation of Photovoltaic Polymer

Byongkyu Lee, Seoyoung Kim, Hak-Won Nho, Jiyeon Oh, Geunhyung Park, Mingyu Jeong, Yongjoon Cho, Sang Myeon Lee, Oh-Hoom Kwon,* Changduk Yang*
Adv. Energy. Mater. 2021, 11, 2102594

34. Diazapentalene-Containing Ultralow-Band-Gap Copolymers for High-Performance Near-Infrared Organic Phototransistors

Seoyoung Kim, Doyoung Lee, Jungho Lee, Yongjoon Cho, So-Huei Kang, Wonbin Choi, Joon Hak Oh,* Changduk Yang*
Chem. Mater. 2021, 33, 7499−7508

33. Artificial Intelligence Designer for Highly-Efficient Organic Photovoltaic Materials

Wenbo Sun, Yujie Zheng, Qi Zhang, Ke Yang, Haiyan Chen, Yongjoon Cho, Jiehao Fu, Omololu Odunmbaku, Akeel A. Shah, Zeyun Xiao,* Shirong Lu,* Shanshan Chen, Meng Li, Bo Qin, Changduk Yang, Thomas Frauenheim, Kuan Sun*
J. Phys. Chem. Lett. 2021, 12, 8847−8854

32. Highly crystalline acceptor materials based on benzodithiophene with different amount of fluorine substitution   on alkoxyphenyl conjugated side chains for organic photovoltaics

Youdi  Zhang,  Ruijie  Ma,  Yong  Wang,  Ying  Wang,  Tao  Liu*,  Yiqun  Xia, Yongjoon  Cho,  Zhenghui  Luo,  Xinhui  Lu, Lun  Zhao*, Zhongyi  Yuan, Changduk Yang, He Yan, Yiwang Chen*
Materials Reports: Energy 2021, 1, 100059 

31. Phase Transition Modulation and Defect Suppression in Perovskite Solar Cells Enabled by a Self-Sacrificed Template

Zhuang Xiong, Shanshan Chen, Pengjun Zhao, Yongjoon Cho, George Omololu Odunmbaku, Yujie Zheng, David J. Jones, Changduk Yang, Kuan Sun*
Solar RRL 2021, 5, 2100448

30. Graphene-Assisted Zwitterionic Conjugated Polycyclic Molecular Interfacial Layer Enables Highly Efficient and Stable Inverted Perovskite Solar Cells

Donghwan Koo, Ungsoo Kim, Yongjoon Cho, Junghyun Lee, Jihyung Seo, Yunseong Choi, Kyoung Jin Choi, Jeong Min Baik*, Changduk Yang*, Hyesung Park*
Chem. Mater. 2021, 33, 5563‒5571

29. Triisopropylsilyl‐Substituted Benzo[1,2‐b:4,5‐c′]dithiophene‐4,8‐dione‐Containing Copolymers with More Than 17% Efficiency in Organic Solar Cells

Mingyu Jeong, Jiyeon Oh, Yongjoon Cho, Byongkyu Lee, Seonghun Jeong, Sang Myeon Lee, So-Huei Kang, Changduk Yang*
Adv. Funct. Mater. 2021, 31, 2102371

28. Thermally Stable and High-mobility Dithienopyran-based Copolymers: How Donor-Acceptor- and Donor-Donor-type Structures Differ in Thin-film Transistors

Seonghun Jeong, Hyeonjin Yoo, Yongjoon Cho, Seong-Jun Yoon,* Byoung Hoon Lee,* Changduk Yang*
Small Struct. 2021, 2, 2100024

27. Antioxidant Additive with a High Dielectric Constant for High Photo-Oxidative Stabilization of Organic Solar Cells without Almost Sacrificing Initial High Efficiencies

Jiyeon Oh, Sang Myeon Lee, Sungwoo Jung, Jungho Lee, Geunhyung Park, So-Huei Kang, Yongjoon Cho, Mingyu Jeong, Byongkyu Lee, Seoyoung Kim, Changduk Yang*
Solar RRL 2021, 5, 2000812

26. High performance H2O2 production achieved by sulfur-doped carbon on CdS photocatalyst via inhibiting reverse H2O2 decomposition

Jae Hwa Lee, Hyeonjin Cho, Sung O Park, Jeong Min Hwang, Yerin Hong, Pankaj Sharma, Woo Cheol Jeon, Yongjoon Cho, Changduk Yang, SangKyu Kwak,* Hoi Ri Moon,* Ji-Wook Jang*
Appl. Catal. B 2021, 284, 119690

25. High-Performance Inverted Perovskite Solar Cells with Operational Stability via n-Type Small Molecule Additive-Assisted Defect Passivation

Donghwan Koo,† Yongjoon Cho,† Ungsoo Kim, Gyujeong Jeong, Junghyun Lee, Jihyung Seo, Changduk Yang,* Hyesung Park*
Adv. Energy Mater. 2020, 10, 2001920

24. Dithienogermole-Based Nonfullerene Acceptors: Roles of the Side-Chains’ Direction and Development of Green-Tinted Efficient Semitransparent Organic Solar Cells

Yongjoon Cho,† Tack Ho Lee,† Seonghun Jeong, Song Yi Park, Byongkyu Lee, Jin Young Kim,* Changduk Yang*
ACS Appl. Energy Mater. 2020, 3, 7689‒7698

23. Volatilizable and Cost-effective Quinone-Based Solid Additives for Improving Photovoltaic Performance and Morphological Stability in Non-Fullerene Polymer Solar Cells

Youdi Zhang,† Yongjoon Cho,† Jungho Lee, Jiyeon Oh, So-Huei Kang, Sang Myeon Lee, Byongkyu Lee, Lian Zhong, Bin Huang, Seungjin Lee, Jin-Woo Lee, Bumjoon J. Kim, Yongfang Li, Changduk Yang*
J. Mater. Chem. A 2020, 8, 13049‒13058

22. Guest-oriented non-fullerene acceptors for ternary organic solar cells with over 16.0% and 22.7% efficiencies under one-sun and indoor light

Yongjoon Cho,† Tanya Kumari,† Seonghun Jeong, Sang Myeon Lee, Mingyu Jeong, Byongkyu Lee, Jiyeon Oh, Youdi Zhang, Bin Huang, Lie Chen, Changduk Yang*
Nano Energy 2020, 75, 104896

21. Two-Dimension Conjugated Acceptors Based on Benzodi(cyclopentadithiophene) Core with Thiophene-Fused Ending Group for Efficient Polymer Solar Cells

Youdi Zhang,* Yongjoon Cho,† Lian Zhong, Ying Wang, Bin Huang, Zhongyi Yuan, Changduk Yang,* Yiwang Chen,* Yongfang Li*
Sol. RRL 2020, 4, 2000071

20. Zwitterionic Conjugated Surfactant Functionalization of Graphene with pH-Independent Dispersibility: An Efficient Electron Mediator for the Oxygen Evolution Reaction in Acidic Media

Ungsoo Kim,† Yongjoon Cho,† Dasom Jeon, Yongchul Kim, Sanghyeon Park, Jihyung Seo, Junghyun Lee, Nam Khen Oh, Geunsik Lee, Jungki Ryu,* Changduk Yang,* Hyesung Park*
Small 2020, 16, 1906635

19. Highly Efficient Organic Photovoltaics Enhanced Using Organic Passivation Layer Vacuum Deposition

Byongkyu Lee, Seonghun Jeong, Yongjoon Cho, Mingyu Jeong, Sang Myeon Lee, Jiyeon Oh, Changduk Yang*
Adv. Funct. Mater. 2020, 30, 2005037

18. Silicon and oxygen synergistic effects for the discovery of new high-performance nonfullerene acceptors

Ying Qin, Hui Chen, Jia Yao, Yue Zhou, Yongjoon Cho, Yulin Zhu, Beibei Qiu, Cheng-Wei Ju, Zhi-Guo Zhang,* Feng He,* Changduk Yang, Yongfang Li, Dongbing Zhao*
Nat. Commun. 2020, 11, 5814

17. 3D Cu ball-based hybrid triboelectric nanogenerator with non-fullerene organic photovoltaic cells for self-powering indoor electronics

Sungwoo Jung, Jiyeon Oh, U Jeong Yang, Sang Myeon Lee, Jungho Lee, Mingyu Jeong, Yongjoon Cho, Seoyoung Kim, Jeong Min Baik,* Changduk Yang*
Nano Energy 2020, 77, 105271

16. Stable perovskite solar cells with efficiency exceeding 24.8% and 0.3-V voltage loss

Mingyu Jeong, In Woo Choi, Eun Min Go, Yongjoon Cho, Minjin Kim, Byongkyu Lee, Seonghun Jeong, Yimhyun Jo, Hye Won Choi, Jiyun Lee, Jin-Hyuk Bae, Sang Kyu Kwak,* Dong Suk Kim,* Changduk Yang*
Science 2020, 369, 1615‒1620

15. Flexible Organic Solar Cells Over 15% Efficiency with Polyimide-Integrated Graphene Electrodes

Donghwan Koo, Sungwoo Jung, Jihyung Seo, Gyujeong Jeong, Yunseong Choi, Junghyun Lee, Sang Myeon Lee, Yongjoon Cho, Mingyu Jeong, Jungho Lee, Jiyeon Oh, Changduk Yang,* Hyesung Park*
Joule 2020, 4, 1021‒1034

14. Regular H-bonding-containing polymers with stretchability up to 100% external strain for self-healable plastic transistors

Moo Yeol Lee, Satej Dharmapurikar, Sang Jin Lee, Yongjoon Cho, Changduk Yang,* Joon Hak Oh*
Chem. Mater. 2020, 32, 1914‒1924

13. A built-in electric field induced by ferroelectrics increases halogen-free organic solar cell efficiency in various device types

Tanya Kumari, Sungwoo Jung, Yongjoon Cho, Hwang-Pill Kim, Jae Won Lee, Jiyeon Oh, Jungho Lee, Sang Myeon Lee, Mingyu Jeong, Jeong Min Baik, Wook Jo, Changduk Yang*
Nano Energy 2020, 68, 104327

12. Horizontal-, Vertical-, and Cross-Conjugated Small Molecules: Conjugated Pathway-Performance Correlations along Operation Mechanisms in Ternary Non-Fullerene Organic Solar Cells

Sang Myeon Lee, Tanya Kumari, Byongkyu Lee, Yongjoon Cho, Jungho Lee, Jiyeon Oh, Mingyu Jeong, Sungwoo Jung, Changduk Yang*
Small 2020, 16, 1905309

11. Toxic Solvent- and Additive-free Efficient All-Polymer Solar Cells via a Simple Random Sequence Strategy in Both Donor and Acceptor Copolymer Backbones

Mingyu Jeong, Byongkyu Lee, Yongjoon Cho, Jiyeon Oh, Sang Myeon Lee, Jungho Lee, Changduk Yang* 
Small Methods 2020, 4, 1900696

10. Understanding of copolymers containing pyridine and selenophene simultaneously and their polarity conversion in transistors

So-Huei Kang, Myeonggeun Han, Yongjoon Cho, Jisu Hong, Seongmin Heo, Seonghun Jeong, Yong-Young Noh,* Changduk Yang*
Mater. Chem. Front. 2020, 4, 3567‒3577

9. Understanding of Fluorination Dependence on Electron Mobility and Stability of Naphthalenediimide-Based Polymer Transistors in Environment with 100% Relative Humidity

Yongjoon Cho,† Hae Rang Lee,† Ayoung Jeong, Sang Myeon Lee, Se Hun Joo, Sang Kyu Kwak, Joon Hak Oh,* Changduk Yang*
ACS Appl. Mater. Interfaces 2019, 11, 40347‒40357

8. Thick-Film High-Performance Solar Cells with a C60-Containing Polystyrene Additive

Byongkyu Lee, Mingyu Jeong, Jungho Lee, Jiyeon Oh, Yongjoon Cho, Sungwoo Jung, Sang Myeon Lee, Shanshan Chen, Changduk Yang*
Solar RRL 2019, 3, 1900033

7. Organic photovoltaics with multiple donor–acceptor pairs

Jungho Lee, Sang Myeon Lee, Shanshan Chen, Tanya Kumari, So-Huei Kang, Yongjoon Cho, Changduk Yang*
Adv. Mater. 2019, 31, 1804762

6. Insights into constitutional isomeric effects on donor–acceptor intermolecular arrangements in non-fullerene organic solar cells 

Jungho Lee,a Eun Min Go, Satej Dharmapurikar, Jianqiu Xu, Sang Myeon Lee, Mingyu Jeong, Kyu Cheol Lee, Jiyeon Oh, Yongjoon Cho, Chunfeng Zhang, Min Xiao, Sang Kyu Kwak,* Changduk Yang* 
J. Mater. Chem. A 2019, 7, 18468

5. Ring-Perfluorinated Nonvolatile Additives with a High Dielectric Constant Lead to Highly Efficient and Stable Organic Solar Cells

Jiyeon Oh, Sungwoo Jung, Mingyu Jeong, Byongkyu Lee, Jungho Lee, Yongjoon Cho, Sang Myeon Lee, Shanshan Chen, Zhi-Guo Zhang, Yongfang Li, Changduk Yang* 
J. Mater. Chem. C 2019, 7, 4716

4. An Ultra-High Mobility of 17.8 cm2 V-1 s-1 in Isomorphic Fluorobenzo[c][1,2,5]thiadiazole-Based Polymers

Junghoon Lee, So-Huei Kang, Sang Myeon Lee, Kyu Cheol Lee, Heesoo Yang, Yongjoon Cho, Daehee Han, Yongfang Li, Byoung Hoon Lee,* Changduk Yang*
Angew. Chem. Int. Ed. 2018, 57, 13629 

3. Ultrafast Channel II process induced by a 3-D texture with enhanced acceptor order ranges for high-performance non-fullerene polymer solar cells

Shanshan Chen, Sang Myeon Lee, Jianqu Xu, Jungho Lee, Kyu Cheol Lee, Tianyu Hou, Yankang Yang, Mingyu Jeong, Byongkyu Lee, Yongjoon Cho, Sungwoo Jung, Jiyeon Oh, Zhi-Guo Zhang, Chunfeng Zhang, Min Xiao, Yongfang Li, Changduk Yang*
Energy Environ. Sci. 2018, 11, 2569 

2. Highly Flexible and Efficient All-Polymer Solar Cells with High-Viscosity Processing Polymer Additive toward Potential of Stretchable Devices

Shanshan Chen, Sungwoo Jung, Hye Jin Cho, Na‐Hyang Kim, Seungon Jung, Jianqiu Xu, Jiyeon Oh, Yongjoon Cho, Hyeongwon Kim, Byongkyu Lee, Yujin An, Chunfeng Zhang, Min Xiao, Hyungson Ki, Zhi‐Guo Zhang, Ju‐Young Kim, Yongfang Li, Hyesung Park,* Changduk Yang*
Angew. Chem. Int. Ed. 2018, 57, 13277 

1. Harmonious Compatibility Dominates Influence of Side-Chain Engineering on Morphology and Performance of Ternary Solar Cells

Tanya Kumari, Sang Myeon Lee, Kyu Cheol Lee, Yongjoon Cho, Changduk Yang*
Adv. Energy Mater. 2018, 8, 1800616