❂ Research

Design and synthesis of organic conjugated molecules for organic electronic applications such as Organic Photovoltaic Cells(OPVCs).
 

❂ Publications​ 

1. Ternary Organic Photovoltaic Cells Exhibiting 17.59% Efficiency with Two Compatible Y6 Derivations as Acceptor
   X. Wang, Q. Sun, J. Gao, X. Ma, J. H. Son, S. Y. Jeong, Z. Hu, L. Niu*, H. Y. Woo*, J. Zhang, F. Zhang*
   Solar RRL 2021, in press.

2. Approaching 18% efficiency of ternary organic photovoltaics with wide bandgap polymer donor and well compatible Y6:Y6-1O as acceptor
   X. Ma, A. Zeng, J. Gao, Z. Hu, C. Xu, J. H. Son, S. Y. Jeong, C. Zhang, M. Li, K. Wang, H. Yan, Z. Ma, Y. Wang, H. Y. Woo*, F. Zhang,*
   National Science Review 2021, in press.

3. Cyano-Functionalized Bithiophene Imide-Based n-Type Polymer Semiconductors: Synthesis, Structure-Property Correlations, and Thermoelectric Performance
   K. Feng, H. Guo, J. Wang, Y. Shi, Z. Wu, M. Su, X. Zhang, J. H. Son, H. Y. Woo, X. Guo*
   J. Am. Chem. Soc. 2021, 143, 3, 1539–1552.

4. Degenerately doped highly crystalline polymers for high performance thermoelectrics
   Y. Lee, J. Park, J. H. Son, H. Y. Woo*, J. Kwak*
   Adv. Funct. Mater. 2020, 2006900

5. A Generally Applicable Approach Using Sequential Deposition to Enable Highly Efficient Organic Solar Cells
   H.Fu, W. Gao, Y. Li, F. Lin, X.Wu, J. H. Son, J. Luo, H. Y. Woo,* Z. Zhu,* and Alex K.-Y. Jen*
   Small Methods 2020, 2000687.

6. A-D-A Type Semiconducting Small Molecules with Bis(alkylsulfanyl)methylene Substituents and Control of Charge Polarity for Organic Field-Effect Transistors
   S. J. Cho, M. J. Kim, Z. Wu, J. H. Son, S. Y. Jeong, S. Lee, J. H. Cho*, H. Y. Woo*
   ACS Appl. Mater. Interfaces 2020, 12, 41842−41851.

7. Efficient Exciton Diffusion in Organic Bilayer Heterojunctions with Non-Fullerene Small Molecular Acceptors
   T. H. Lee, S. Y. Park, W.-W. Park, X. Du, J. H. Son, N. Li, O.-H. Kwon, H. Y. Woo*, C. J. Brabec,* J. Y. Kim*
   ACS Energy Lett. 2020, 5(5), 1628-1635.

❂ Research

Design and synthesis of organic conjugated molecules for organic electronic applications such as Organic Photovoltaic Cells(OPVCs).
 

❂ Publications​ 

1. Fullerene–Nonfullerene Hybrid Acceptors for Enhanced Light Absorption and Electrical Properties in Organic Solar Cells
   Z. Wu, S. Lee, S. Y. Jeong, M. H. Jee, H. G. Lee, C. Lim, C. Wang, B. J. Kim*, H. Y. Woo*
   Materials Today Energy, 2021, in press.

❂ Research

Synthesis and characterization of monomers and (co)polymer for perovskite solar cell & LED.

 

❂ Research

Research structure - property relationship and chemical doping mechanisms.

Synthesis of organic conjugated molecules for thermoelectricity and  for application to thermoelectric devices.

​

❂ Publications​ 

1. Polymers by Incorporating Oligoethylene Glycol Side-chains and Sequential Solution Doping with Pre-annealing Treatment
   A. Tripathi, Y. Ko, M. Kim, Y. Lee, S. Lee, J. Park, Y.-W. Kwon, J. Kwak,* H. Y. Woo*
   Macromolecules. 2020, 53, 16, 7063–7072.

2. Recent Progress in Organic Thermoelectric Materials and Devices
   S. Lee, S. Kim, A. Pathak, A. Tripathi, T. Qiao, Y. Lee, H. Lee*, H. Y. Woo*
   Macromol. Res. 2020, 28(6), 531-552.

❂ Research

Research structure - property relationship and chemical doping mechanisms.

Synthesis of organic conjugated molecules for thermoelectricity and  for application to thermoelectric devices.
Design and synthesis of organic conjugated molecules for organic electronic applications such as Organic Photovoltaic Cells(OPVCs).

​

❂ Publications​ ​​

​

1. Facilely full-end-capping engineering promotes high-performance organic solar cells with simultaneously improved efficiency and stability
   Y. Zhang, J. Deng, Q. Mao, S. Y. Jeong, X. Huang, L. Zhang, B. Lee, B. Huang, H. Y. Woo, C. Yang, J. Xu, F. Wu, Q-Y. Cao, L. Chen*
   Chemical Engineering Journal 457 (2023) 14134

2. Relationship between Energetic Disorder and Reduced Recombination of Free Carriers in Organic Solar Cells
   S. M. Hosseini, S. Wilken, B. Sun, F. Huang, S. Y. Jeong, H. Y. Woo, V. Coropceanu, S. Shoaee*
   Adv. Energy Mater. 2023, 220357

3. Combination of highly photovoltaic and highly transparent materials enables record performance semitransparent organic solar cells
   L.Zhao, X. Huang, Y. Wang, S. Y. Jeong, B. Huang, J. Deng, J. Liu, Y. Cheng, H. Y. Woo, F. Wu, L. Chen*, L.Chen*
   Chemical Engineering Journal 451, 139081, 2022

4. Thiazole Imide‐Based All‐Acceptor Homopolymer with Branched Ethylene Glycol Side Chains for Organic Thermoelectrics
   Y. Shi*, J. Li, H. Sun*, Y. Li, Y. Wang, Z. Wu, S. Y. Jeong, H. Y. Woo, S. Fabiano*, X. Guo*
   Angewandte Chemie, e202214192, 2022

5. Synergistic Contribution of Oligo(ethylene glycol) and Fluorine Substitution of Conjugated Polymer Photocatalysts toward Solar Driven Sacrificial Hydrogen Evolution
   S. An, Z. Wu, H. Jeong, J. Lee, S. Y. Jeong, W. Lee, S. Kim, J. W. Han, J. Lim, H. Cha, H. Y. Woo*, D. S. Chung*

6. 15.28% efficiency of conventional layer-by-layer all-polymer solar cells superior to bulk heterojunction or inverted cells
   Z. Liu, X. Ma*, W. Xu, S. Zhang, C. Xu, S. Y. Jeong, H.Y Woo*, Z. Zhou, F. Zhang*
   Chemical Engineering Journal 450, 138146 2022

7. 18.66% efficiency of polymer solar cells employing two non‐fullerene acceptors with fluorine or chlorine substitution
   S. Zhang, X. Ma, L. Niu*, S. Y. Jeong, H.Y. Woo*, Z. Zhou*, F. Zhang*
   Solar RRL, 2022

8. Regulation of Polymer Configurations Enables Green Solvent-Processed Large-Area Binary All-Polymer Solar Cells With Breakthrough Performance and High Efficiency Stretchability Factor
   J. Liu, J. Deng, Y. Zhu, X. Geng, L. Zhang, S. Y. Jeong, D. Zhou, H. Y. Woo, D. Chen, F. Wu, L. Chen*
   Advanced Materials, 2022, 2208008

9. Acceptor-acceptor type polymers based on cyano-substituted benzochalcogenadiazole and diketopyrrolopyrrole for high-efficiency n-type organic thermoelectrics
   J. Wang, K. Feng,S. Y. Jeong, B. Liu, Y. Wang, W. Wu, Y. Hou, H. Y. Woo*, X. Guo*
   Polymer Journal, 2022

10. Layered optimization strategy enables over 17.8% efficiency of 2 layer-by-layer organic photovoltaics
    X. Ma, Q. Jiang, W. Xu, C. Xu, S. Y. Jeong, H. Y. Woo, Q. Wu*, X. Zhang, G. Yuan*, F. Zhang*
    Chemical Engineering Journal 442 (2022) 13636.

11. Efficient Semitransparent Layer‐by‐Layer Organic Photovoltaics via Optimizing Wide Bandgap and Narrow Absorption Polymer Layer Thickness
    C. Xu, K. Jin, Z. Xiao, Z. Zhao, Y. Yan, X. Zhu, X. Li, Z. Zhou*, S. Y. Jeong, L. Ding, H. Y. Woo, G. Yuan*, F. Zhang*
    Sol. RRL, 2022, 2200308

12. Ferroelectric Polymer Drives Performance Enhancement of Non-fullerene Organic Solar Cells
    J. Deng, B. Huang, W. Li, L. Zhang, S. Y. Jeong, S. Huang, S. Zhang, F. Wu, X. Xu, G. Zou, H. Y. Woo, Y. Chen, Lie Chen*
    Angew. Chem.Int. Ed.2022,61, e2022021.

13. Boosted efficiency over 18.1% of polymer solar cells by employing large extinction coefficients material as the third component
    S. Zhang, X. Ma*, C. Xu, W. Xu, S. Y. Jeong, H. Y. Woo*, Z. Zhou, X. Zhang, F.Zhang*
    Macromol. Rapid Commun.2022, 2200345.

14. Over 18% Ternary Polymer Solar Cells Enabled by a Terpolymer as the Third Component
    W. Peng, Y. Lin*, S. Y. Jeong, Z. Genene, A. Magomedov, H. Y. Woo, C. Chen, W. Wahyudi, Q. Tao, J. Deng, Y. Han, V. Getautis, W. Zhu*, T. D. Anthopoulos*, E. Wang*
    Nano Energy. 2022, 92, 106681.

15. Low-bandgap nonfullerene acceptor based on thieno[3,2-b]indole core for highly efficient binary and ternary organic solar cells
    L. Xie, Y. Zhang, W. Zhuang, S. Y. Jeong, Q. Bian, H. Li, J. Cao*, W. Liu, H. Tan*, H. Y. Woo, J. Zhang*, E. Wang*
    Chemical Engineering Journal 2022, 427, 131674.

16. Over 17.7% efficiency ternary-blend organic solar cells with low energy-loss and good thickness-tolerance
    J. Gao, X. Ma, C. Xu, X. Wang, J. H. Son, S. Y. Jeong, Y. Zhang, C. Zhang, K. Wang, L. Niu*, J. Zhang*, H. Y. Woo, J. Zhang, F. Zhang*
    Chemical Engineering Journal 2022, 428, 129276.

17. Achieving 17.5% efficiency for polymer solar cells via a donor and acceptor layered optimization strategy
    W. Xu, Xiong Li*, S. Y. Jeong, J. H. Son, Z. Zhou*, Q. Jiang, H. Y. Woo, Q. Wu, X. Zhu, X. Ma, F. Zhang *
    J. Mater. Chem. C, 2022, 10, 5489–5496.

18. Highly stable photomultiplication type organic photodetectors with single-polymer containing intramolecular traps as active  layer
    Z. Zhao, B. Liu, C. Xu, L. Li, M. Liu, K. Yang, S. Y. Jeong, H. Y. Woo, G. Yuan*, W. Li*, F Zhang*,
    J. Mater. Chem. C, 2022, 10, 7822–7830.

19. Achieving 15.81% and 15.29% efficiency of all-polymer solar cells based on layer-by-layer or bulk heterojunction structure
    W. Xu, X. Zhu, X. Ma*, H. Zhou, X. Li, S. Y. Jeong, H. Y. Woo, Z. Zhou*, Q. Sun*, F. Zhang*
    J. Mater. Chem. A, 2022, Advance Article.

20. Smart Ternary Strategy in Promoting the Performance of Polymer Solar Cells Based on Bulk-Heterojunction or Layer-By-Layer Structure
    W. Xu, X. Ma, J. H. Son, S. Y. Jeong, L. Niu*, C. Xu, S. Zhang, Z. Zhou*, J. Gao, H. Y. Woo*, J. Zhang, J. Wang, F. Zhang*
    Small 2022, 18(4), 2104215.

21. Ternary polymer solar cells with iridium-based polymer PM6Ir1 as donor and N3:ITIC-Th as acceptors exhibiting over 17.2% efficiency
    S. Zhang, M. Zhang, X. Wang, C. Xu, W. Xu, J. Gao*, J. Wang, W.-Y. Wong*, J. H. Son, S. Y. Jeong, H. Y. Woo, F. Zhang*
    Sustainable Energy & Fuels 2021, 5, 5825–5832.

22. Enhanced photomultiplication of organic photodetectors via phosphorescent material incorporation
    J. Wang*, M. Liu, J. Chen, J. H. Son, S. Y. Jeong, J. Xiao, L. Chen, K. Yang, Z. Zhao, H. Y. Woo, X. Zhang, F. Zhang*
    J. Mater. Chem. C 2021, 9, 16918-16924.

23. Fullerene–Nonfullerene Hybrid Acceptors for Enhanced Light Absorption and Electrical Properties in Organic Solar Cells

    Z. Wu, S. Lee, S. Y. Jeong, M. H. Jee, H. G. Lee, C. Lim, C. Wang, B. J. Kim*, H. Y. Woo*

    Materials Today Energy, 2021, 20, 100651.

24. Ternary Organic Photovoltaic Cells Exhibiting 17.59% Efficiency with Two Compatible Y6 Derivations as Acceptor
    X. Wang, Q. Sun, J. Gao, X. Ma, J. H. Son, S. Y. Jeong, Z. Hu, L. Niu*, H. Y. Woo*, J. Zhang, F. Zhang*
    Solar RRL 2021, 5(3), 2100007.

25. Approaching 18% efficiency of ternary organic photovoltaics with wide bandgap polymer donor and well compatible Y6:Y6-1O as acceptor
    X. Ma, A. Zeng, J. Gao, Z. Hu, C. Xu, J. H. Son, S. Y. Jeong, C. Zhang, M. Li, K. Wang, H. Yan, Z. Ma, Y. Wang, H. Y. Woo*, F. Zhang,*
    National Science Review 2021, 8, nwaa305.

26. Using Two Compatible Donor 4 Polymers Boosts the Efficiency of Ternary Organic Solar Cells to 17.7%
    W. Peng, Y. Lin,* S. Y. Jeong, Y. Firdaus, Z. Genene, A. Nikitaras, L. Tsetseris, H. Y. Woo, W. Zhu,* T. D. Anthopoulos*, E.Wang*
    Chem. Mater. 2021, 33, 7254−7262.

27. A-D-A Type Semiconducting Small Molecules with Bis(alkylsulfanyl)methylene Substituents and Control of Charge Polarity for Organic Field-Effect Transistors
    S. J. Cho, M. J. Kim, Z. Wu, J. H. Son, S. Y. Jeong, S. Lee, J. H. Cho*, H. Y. Woo*
    ACS Appl. Mater. Interfaces 2020, 12, 41842−41851

❂ Research

Synthesis and characterization of monomers and (co)polymer for perovskite solar cell & LED.