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Multifunctional Charge Transporting Materials for Perovskite Light-Emitting Diodes

J.-E. Jeong, J. H. Park, C. H. Jang, M. H. Song, H. Y. Woo*

Adv. Mater. 2020, 32 (51), 2002176

Progress in Materials, Solution Processes, and Long-Term Stability for Large-Area Organic Photovoltaics

S. Park, T. Kim, S. Yoon, C. W. Koh, H. Y. Woo, H. J. Son*

Adv. Mater. 2020, 32 (51), 2002217.

Terminal alkyl substitution in the A-D-A-type nonfullerene acceptor: Simultaneous improvements in the open-circuit voltage and short-circuit current for efficient indoor power generation

H. S. Ryu, H. G. Lee, S.-C. Shin, J. Park, S. H. Kim, E. J. Kim, T. J. Shin, J. W. Shim*, B. J. Kim,* H. Y. Woo*

J. Mater. Chem. A 2020, 2020, 8, 23894 – 23905.

Eco-Friendly Polymer Solar Cells: Advances in Green-Solvent Processing and Material Design

S. Lee, D. Jeong, C. Kim, C. Lee, H. Kang, H. Y. Woo*, B. J. Kim

ACS Nano 2020, 14, 11, 14493–14527.

Improving the Photostability of Small-Molecule-Based Organic Photovoltaics by Providing a Charge Percolation Pathway of Crystalline Conjugated Polymer

J. Kim, C. W. Koh, M. A. Uddin, K. Y. Ryu, S.-R. Jang, H. Y. Woo*, B. Lim*, K. Kim*

Polymers 2020, 12, 2598.


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,* A. K.-Y. Jen*

Small Methods 2020, 4(12), 2000687.

Sky-Blue-Emissive Perovskite Light-Emitting Diodes: Crystal Growth and Interfacial Control Using Conjugated Polyelectrolytes as a Hole-Transporting Layer

C. H. Jang, A. K. Harit, S. Lee, S. H. Kim, J.-E. Jeong, J. H. Park, E. D. Jung, J. M. Ha, S. K. Kwak,* H. Y. Woo,* M. H. Song*

ACS Nano 2020, 14, 10, 13246–13255.

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.

A Highly Conductive Conjugated Polyelectrolyte for Flexible Organic Thermoelectrics

S. Kee, M. A. Haque, Y. Lee, T. L. Nguyen, D. R. Villalva, J. Troughton, A.-H. Emwas, H. N. Alshareef, H. Y. Woo*, D. Baran*

ACS Appl. Energy Mater. 2020, 3, 9, 8667–8675.

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.


Green-, Red-, and NIR-Emitting Polymer Dot Probes for Simultaneous Multicolor Cell Imaging with a Single Excitation Wavelength

J.-E. Jeong, M. A. Uddin, H. S. Ryu, H.-C. Kim, M. Kang, J. F. Joung, S. Park, S.-H. Shim,* and H. Y. Woo,*

Chem. Mater. 2020, 32, 15, 6685–6696.

C70-based Aqueous-Soluble Fullerene for Water Composition-Tolerant Performance of Eco-Friendly Polymer Solar Cells

C. Kim, H. Kang, N. Choi, S. Lee, Y. Kim, J. Kim, Z. Wu, H. Y. Woo, B. J. Kim*

J. Mater. Chem. C 2020, in press

High-Performance, Solution-Processable Thermally Activated Delayed Fluorescent Organic Light-Emitting Diodes Realized via the Adjustment of the Composition of the Organoboron Acceptor Monomer in Copolymer Host Materials

M. Godumala, J. Hwang, H. Kang, J.-E. Jeong, A. K. Harit, M. J. Cho, H. Y. Woo, S. Park*, D. H. Choi*

ACS Appl. Mater. Inter. 2020, 12(31), 35300–35310.

Imide-Functionalized Acceptor-Acceptor Copolymers as Efficient Electron Transport Layers for High-Performance Perovskite Solar Cells

Y. Shi, W. Chen, Z. Wu, Y. Wang, W. Sun, K. Yang, Y. Tang, H. Y. Woo, M. Zhou*, A. Djurisic*, Z. He*, X. Guo*

J. Mater. Chem. A 2020, 8, 13754-13762.


Effects of the Electron-Deficient Third Components in n-Type Terpolymers on Morphology and Performance of All-Polymer Solar Cells

B. Liu, H. Sun*, C. W. Koh, M. Su, B. Tu, Y. Tang, Q. Liao, J. Wang, W. Yang, H. Meng, H. Y. Woo*, X. Guo*

Org. Mater. 2020, 3, 214–222.

Toward Efficient All-Polymer Solar Cells via Halogenation on Polymer Acceptors

Y. Li, Z. Jia, Q. Zhang, Z. Wu, H. Qin*, J. Yang, S. Wen, H. Y. Woo, W. Ma, R. Yang, J. Yuan*

ACS Appl. Mater. Interfaces 2020, 12, 33028-33038.

Aesthetic and Colorful: Dichroic Polymer Solar Cells Using High-Performance Fabry-Pérot Etalon Electrodes with a Unique Sb2O3 Cavity

H. R. Yeom, S. Song, S. Y. Park, H. S. Ryu, J. W. Kim, J. Heo, H. W. Cho, B. Walker, S.-J. Ko, H. Y. Woo*, J. Y. Kim*

Nano Energy 2020, 77, 105146. 

Distannylated Bithiophene Imide: Enabling High-Performance n-Type Polymer Semiconductors with an Acceptor-Acceptor Backbone

Y. Shi, H. Guo, J. Huang, X. Zhang, Z. Wu, K. Yang, Y. Zhang, K. Feng, H. Y. Woo, R. Ortiz*, M. Zhou*, X. Guo*

Angew. Chem. Int. Ed. 2020, 132(34), 14557-14565.

Triad-Type, Multi-Functional Compatibilizers for Enhancing Efficiency, Stability and Mechanical Robustness of Polymer Solar Cells

G.-U. Kim, Y. W. Lee, B. S. Ma, J. Kim, J. S. Park, S. Lee, T. L. Nguyen, T.-S. Kim, H. Y. Woo*, B. J. Kim*

J. Mater. Chem. A 2020, 8, 13522-13531.


Multiply Charged Conjugated Polyelectrolytes as a Multifunctional Interlayer for Efficient and Scalable Perovskite Solar Cells

E. D. Jung, A. K. Harit, D. H. Kim, C. H. Jang, J. H. Park, S. Cho*, M. H. Song*, H. Y. Woo*

Adv. Mater. 2020, 32(30), 2002333. 

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.

Ultranarrow Bandgap Naphthalenediimide-Dialkylbifuran-Based Copolymers with High-Performance Organic  Thin-Film Transistors and All-Polymer Solar Cells

S. Shi, P. Chen, H. Wang, C. W. Koh, M. A. Uddin, B. Liu, Q. Liao, K. Feng, H. Y. Woo,* G. Xiao,* X. Guo

Macromol. Rapid Commun. 2020, 41(12), 2000144. 

Effect of Extended π-Conjugation of Central Cores on Photovoltaic Properties of Asymmetric Wide-Bandgap Nonfullerene Acceptors

T. Xia, C. Li, H. S. Ryu, X. Sun, H. Y. Woo*, Y. Sun*

Org. Mater. 2020, 2, 173-181

High-Performance All-Polymer Solar Cells Enabled by n-Type Polymers with an Ultra-Narrow Bandgap Down to 1.28 eV

K. Feng, J. Huang, X. Zhang, Z. Wu, S. Shi, L. Thomsen, Y. Tian, H. Y. Woo, C. R. McNeill, X. Guo*

Adv. Mater. 2020, 32(30), 2001476.


Multifunctional Charge Transporting Materials for Perovskite Light Emitting Diodes

J.-E. Jeong, J. H. Park, C. H. Jang, M. H. Song, H. Y. Woo*

Adv. Mater. 2020, in press.

Reduced Non-radiative Recombination Energy Loss Enabled Efficient Polymer Solar Cells via Tuning Alkyl Chain Positions on Pendent Benzene Units of Polymers

X. Bi, Z. Wu, T. Zhang, C. An, Y. Xu, K. Ma, S. Li, S. Zhang, H. Yao, B. Xu, H. Y. Woo*, S. Cao*, J. Hou*

ACS Appl. Mater. & Interfaces 2020, 12(21), 24184–24191.

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.

Developing wide bandgap polymers based on solely banzodithiophene units for efficient polymer solar cells

X. Xu, Y. W. Lee, H. Y. Woo*, Y. Li, Q. Peng*

Chem. Eur. J. 2020, 26, 1–10.

Simultaneously improving photovoltaic parameters of organic solar cells via isomerization of benzo[b]benzo[4,5]thieno[2,3-d]thiophene-based octacyclic non-fullerene acceptors

Z. Zhou, J. Duan, L. Ye, G. Wang, B. Zhao, S. Tan*, P. Shen*, H. Ryu, H. Y. Woo*, Y. Sun

J. Mater. Chem. A 2020, 8, 9684-969.


Fine Regulation of Crystallisation Tendency to Optimize the BHJ Nanostructure and Performance of Polymer Solar Cell

M. Deng, X. Xu, Y. W. Lee, L. Ericsson, E. Moons, H. Y. Woo*, Y. Li, L. Yu*, Q. Peng*

Nanoscale 2020, 12, 12928-12941.

Achievement of High Efficiency with Extremely Low Efficiency Roll-off in Solution-Processed Thermally Activated Delayed
Fluorescence OLEDs manufactured using Xanthone-based Bipolar Host Materials

C. Y. Kim, C. Lee, H. J. Kim, J. H. Hwang, M. Godumala, J.-E. Jeong, H. Y. Woo, M. J. Cho, S. Park, D. H. Choi*

J. Mater. Chem. C, 2020, 8, 6780-6787. 

Efficient Fused Ring Extension of A-D-A-type Nonfullerene Acceptors via Symmetric Replicating Core Unit Strategy

T. Xia, C. Li, H. S. Ryu, J. Guo, J. Min, H. Y. Woo, Y. Sun*

Chem. A Eur. J. 2020, 5(5), 1628-1635.

Two-Dimensional Star-Shaped Non-Fullerene Electron Acceptors with Modulation of J-/H-Type Aggregations: Molecular Design-Morphology-Electrical Property Correlation

C. W. Koh, H. W. Cho, M. A. M. Rashid, T. H. Lee, S. Y. Park, W. Lee, K. Kwak,* J. Y. Kim,* and H. Y. Woo*

Adv. Mater. Tech. 2020, 5(6), 2000174.

Asymmetrically Alkyl‐Substituted Wide‐Bandgap Nonfullerene Acceptor for Organic Solar Cells

T. Xia, C. Li, H. S. Ryu, X. Sun*, H. Y. Woo, Y. Sun*

Sol. RRL, 2020, 4(5), 2000061


Regioisomeric polythiophene derivatives: synthesis and structure-property relation for organic electronic devices

Y. W. Lee, K. Pak, S. Y. Park, N. G. An, J. Lee, J. Y. Kim*, H. Y. Woo*

Macromol. Res. 2020, 28(8), 772-781.

Recent Progress in Indoor Organic Photovoltaics

H. S. Ryu, S. Y. Park, T. H. Lee, J. Y. Kim*, H. Y. Woo*

Nanoscale, 2020, 2, 5792 – 5804.

Organic Solar Cells Based on Chlorine Functionalized Benzo[1,2-b:4,5-b’]difuran-Benzo[1,2-c:4,5-c’]dithiophene-4,8-dione Copolymer with Efficiency Exceeding 13%

L. Ye, X. Li, Y. Cai, H. S. Ryu, G. Lu, D. Wei, X. Sun*, H. Y. Woo, S. Tan, Y. Sun*

Sci. China Chem. 2020, 63(4), 483-489.

Improved Interfacial Crystallization by Synergic Effects of Precursor Solution Stoichiometry and Conjugated Polyelectrolyte Interlayer for High Open-Circuit Voltage of Perovskite Photovoltaic Diodes

S. Kim, J.-E. Jeong, J. Hong, K. Lee, M. J. Lee, H. Y. Woo*, I. Hwang*

ACS Appl. Mater. Interfaces 2020, 12(10), 12328-12336.

Importance of Device Structure and Interlayer Design in Storage Stability of Naphthalene Diimide-based All-Polymer Solar Cells

C. Lee, J. Lee, S. Lee, W. Lee, H. You, H. Y. Woo, B. Kim*

J. Mater. Chem. A 2020, 8, 3735-3745. 


5H-Benzo[d]benzo[4,5]imidazo[2,1-b][1,3]thiazine as a Novel Electron-Acceptor Cored High Triplet Energy Bipolar Host Material for Efficient Solution-Processable Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes

M. Godumala, J. Yoon, S. Y. Park, C. Lee, J.-E. Jeong, S. Park, H. Y. Woo, M. J. Cho, D. H. Choi*

Front. Chem. 2020, 8(article 61), 1

Stable Organic Diradicals Based on Fused Quinoidal Oligothiophene Imides with High Electrical Conductivity

K. Yang, X. Zhang, A. Harbuzaru, L. Wang, Y. Wang, C. Koh, H. Guo, Y. Shi, J. Chen, H. Sun, K. Feng, M. C. Ruiz Delgado, H. Y. Woo, R. Ortiz, X. Guo*

J. Am. Chem. Soc. 2020, 142(9), 4329-4340.

Modeling and Implementation of Tandem Polymer Solar Cells Using Wide-Band Gap Front Cells

S. J. Ko, H. S. Choi, Q. V. Hoang, C. E. Song, P.-O. Morin, J. Heo, M. Leclerc, S. C. Yoon, H. Y. Woo*, W. S. Shin*, B. Walker*, J. Y. Kim*

Carbon Energy 2020, 2(1), 131-142.

Pyrimidine-based Bipolar Host Materials for High Efficiency Solution Processed Green Thermally Activated Delayed Fluorescent OLEDs 

J. Yoon, C. Lee, S. H. Park, D. W. Kang, H. Kim, J.-E. Jeong, H. Y. Woo, C. S. Hong, S. Park, M. J. Cho, D. H. Choi*

J. Mater. Chem. C 2020, 8, 2196-2204.

Subtle Polymer Donor and Molecular Acceptor Design Enable Efficient Polymer Solar Cells with a Very Small Energy Loss  

X. Xu, K. Feng, Y. W. Lee, H. Y. Woo*, G. Zhang, Q. Peng*

Adv. Funct. Mater. 2020, 30(9), 1907570.


Significantly Improved the Morphology and Efficiency of Non-halogenated Solvent Process ed Solar Cells Derived from a Conjugated Donor-Acceptor Block Copolymer
S. H. Park, Y. Kim, N. Y. Kwon, Y. W. Lee, H. Y. Woo, W.-S. Chae, S. Park, M. J. Cho*, D. H. Choi*

Adv. Sci. 2020, 7(4), 1902470.

Germinant ZnO nanorods as a charge-selective layer in organic solar cells
K. Ana*, J. Kim, M. A. Uddin, S. Rhee, H. Kim, K.-T. Kang, H. Y. Woo*, C. Lee*

J. Mater. Sci. Tech. 2020, 55 (2020) 89–94.

Anionic Conjugated Polyelectrolytes for FRET-based Imaging of Cellular Membrane Potential

O. K. Nag, J.-E. Jeong, V. S. Le, E. Oh, H. Y. Woo, J. B. Delehanty*

Photochemistry and Photobiology 2020, 96(4), 834-844.

Rational Design of Carbazole- and Carboline-Based Polymeric Host  Materials for Realizing High-Efficiency Solution-Processed Thermally Activated  Delayed Fluorescence Organic Light-Emitting Diode

J. Hwang, C. Lee, J.-E. Jeong, C. Y. Kim, H. Y. Woo, S. Park, M. J. Cho* and D. H. Choi*

ACS Appl. Mater. Interfaces 2020, 12(7), 8485-8494.

​Green-Solvent-Processable High-Mobility Semiconducting Copolymers with Engineered Oligo(Ethylene Glycol) Side Chains

B. Kang, Z. Wu, M. Kim, H. Y. Woo*, J. H. Cho*

Chem. Mater. 2020, 32 (3), 1111-1119




Non‐Fullerene Organic Solar Cells Based on Benzo[1,2‐b:4,5‐b′]difuran‐Conjugated Polymer with 14% Efficiency
X. Li, K. Weng, H. S. Ryu, J. Guo, X. Zhang, T. Xia, H. Fu, D. Wei, J. Min, Y. Zhang, H. Y. Woo*, Y. Sun*

Adv. Funct. Mater. 2020, 30(6), 1906809.

​​N-type conjugated polymer as efficient electron transport layer for planar inverted perovskite solar cells with power conversion efficiency of 20.86%

W. Chen, Y. Shi, Y. Wang, X. Feng, A. B. Djurišić*, H. Y. Woo, X. Guo*, Z. He*

Nano Energy 2020, 68, 104363.

Organic solar cells for indoor power generation
H. S. Ryu, H. Y. Woo*

Sci. China Chem. 2020, 63(1), 1-2.

Heteroatom Substitution-Induced Asymmetric A-D-A Type Non-Fullerene Acceptor for Efficient Organic Solar Cells
C. Li, J. Song, Y. Cai, G. Han, W. Zheng, Y. Yi, H. S. Ryu, H. Y. Woo, Y. Sun*

J. Energy Mater. 2020, 40, 144-150.


Closely Packed Polypyrroles via Ionic Crosslinking: Correlation of Molecular Structures-Morphology-Thermoelectric Properties
J. Park, Y. Lee, M. Kim, Y. G. Kim, A. Tripathi, Y.-W. Kwon, J. Kwak*, H. Y. Woo*

ACS Appl. Mater. Interfaces 2020, 12(1), 1110-1119.

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