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2011 ~ 2015

Interplay of Intramolecular Noncovalent Coulomb Interactions for Semi-Crystalline Photovoltaic Polymers

M. A. Uddin, T. H. Lee, S. Xu, S. Y. Park, T. Kim, S. Song, T. L. Nguyen, S.-J. Ko, S. Hwang, J. Y. Kim*, H. Y. Woo*

Chem. Mater. 2015, 27, 5997-6007.

Spectroscopically tracking charge separation in polymer:fullerene blends with a three‑phase morphology

J. K. Gallaher, S. K. K. Prasad, M. A. Uddin, T. Kim, J. Y. Kim, H. Y. Woo* , J. M. Hodgkiss*

Energy Environ. Sci. 2015 , 8, 2713-2724.


Elucidating the Role of Conjugated Polyelectrolytes Interlayers for High-Efficiency Organic Photovoltaics

K.-G. Lim, S. M. Park, H. Y. Woo* , T.-W. Lee*

ChemSusChem. 2015, 8, 3062-3068.

Surfactant Chemistry for Fluorescence Imaging of Latent Fingerprints Using Conjugated Polyelectrolyte Nanoparticles

B. S. Kim, Y.-J. Jin, M. A. Uddin, T. Sakaguchi, H. Y. Woo* , G. Kwak*

Chem. Commun. 2015 , 51 (71), 13634-13637. 

Measurement of the Cross-Cell Carrier Mobility Distribution in Bulk Heterojunction Solar Cells

J. Seifter, Y. Sun, H. Choi, B. H. Lee, T. L. Nguyen, H. Y. Woo , A. J. Heeger*

Adv. Mater. 2015, 27, 4989-4996.

Synthesis and characterization of fluorene-based copolymers as electron transporting materials for PLEDs

H.-I. Ahn, J.-S. Moon, W.-G. Kim, M. A. Uddin, J. Cho, C. Kim, H. Y. Woo* , N. Kim*, J.-W. Oh*

Org. Electron. 2015 , 25, 206-211.

Label-free, electrochemical quantitation of potassium ions from femtomolar levels

B. Zhu, M. A. Booth, H. Y. Woo , J. M. Hodgkiss, J. Travas-Sejdic*

Chem. Asian J. 2015, 10, 2169-2175.


Thermochromism, Franck-Condon Analysis and Interfacial Dynamics of a Donor-Acceptor Copolymer with a Low Band Gap

M. E. Reish, G. S. Huff, W. Lee, M. A. Uddin, A. J. Barker, J. Gallaher, J. M. Hodgkiss, H. Y. Woo , K. C. Gordon*

Chem. Mater. 2015 , 27(8), 2770-2779.

Synthesis and Optical Properties of pH-Responsive Conjugated Polyampholytes

O. K. Nag, J.-E. Jeong, T. L. Nguyen, H. Y. Woo*

Macromol. Res. 2015 , 23, 457-465.

2,7-Carbazole and Thieno[3,4-c]pyrrole-4,6-dione Based Copolymers with Deep   Highest Occupied Molecular Orbital for Photovoltaic Cells

M. A. Uddin, T. Kim, S. Yum, H. Choi, S. Hwang, J. Y. Kim*,   H. Y. Woo*

Curr. Appl. Phys. 2015  ,15(5), 654-661.

Ultrafast charge transfer in operating bulk heterojunction solar cells

C. Zhong, H. Choi, J. Y. Kim,   H. Y. Woo   , T. L. Nguyen, F. Huang, Y. Cao, A. J. Heeger

Adv. Mater. 2015, 27(12), 2036-2041.

Optimization of Side Chain in Alkylthiothiophene-substituted Benzo[1,2-b:4,5-b ’ ]dithiophene-based Photovoltaic Polymers

S. Zhang, M. A. Uddin, W. Zhao, L. Ye, H. Y. Woo*, D. Liu, B. Yang, H. Yao, Y. Cui, J. Hou*

Poly. Chem. 2015, 6, 2752-2760.


Determining the Role of Polymer Molecular Weight for High-Performance All-Polymer Solar Cells: Its Effect on Polymer Aggregation and Phase Separation

H. Kang, M. A. Uddin, C. Lee, K.-H. Kim, T. L. Nguyen, W. Lee, Y. Li, C. Wang, H. Y. Woo*, B. J. Kim*

J. Am. Chem. Soc. 2015, 137, 2359-2365.

High-Performance All-Polymer Solar Cells Via Side-Chain Engineering of the Polymer Acceptor: The Importance of the Polymer Packing Structure and the Nanoscale Blend Morphology

C. Lee, H. Kang, W. Lee, T. Kim, K.-H. Kim,  H. Y. Woo  , C. Wang, B. J. Kim*

Adv. Mater. 2015, 27(15), 2466-247.

Principal Factors that Determine the Extension of Detection Range in Molecular Beacon Aptamer/ Conjugated Polyelectrolyte Bioassays

J.-E. Jeong, B. Kim, S. Woo, S. Hwang, G. C. Bazan,* H. Y. Woo*

Chem. Sci. 2015, 6, 1887-1894.


Synthesis and photovoltaic properties of alkoxy-benzimidazole containing low band gap polymers

J. Y. Shim, T. Kim, J. Kim, J. Kim, D. Park, I. Kim, H. Y. Woo, J. Y. Kim, H. Suh

Thin Solid Films, 2015, 580, 29-35.

Benzodithiophene-Thiophene Based Photovoltaic Polymers with Different Side-Chains

T. L. Nguyen, S. Song, S.-J. Ko, H. Choi, J.-E. Jeong, T. Kim, S. Hwang, J. Y. Kim,*  H. Y. Woo*

J. Polym. Sci. Part A: Polym. Chem. 2015, 53, 854-862.

Improved Performance in Polymer Solar Cells Using Mixed PC61BM/PC71BM Acceptors

S.-J. Ko, W. Lee, H. Choi, B. Walker, S. Yum, S. Kim,T. J. Shin, H. Y. Woo* and J. Y. Kim*

Adv. Energy Mater. 2015, 5(5), 1401687(1-6). 


Density functional theoretical and time-dependent density functional theoretical study on thiophene-benzothiadiazole based polymers

H. Y. Woo, M. A. Uddin and S. Hwang*

Bull. Korean Chem. Soc. 2015, 36(1), 427-430.

Amorphous Thieno[3,2-b]thiophene and Benzothiadiazole Based Copolymers for Organic Photovoltaics

W. Lee, H. Cha, Y J. Kim, J.-E. Jeong, S. Hwang, C. Park* and H. Y. Woo*

ACS Appl. Mater. Interfaces. 2014, 6 (22), 20510-20518. 

Semi-crystalline Photovoltaic Polymers with Efficiency Exceeding 9% in a ~300 nm Thick Conventional Single-Cell Device

T. L. Nguyen, H. Choi, S.-J. Ko, M. A. Uddin, B. Walker, S. Yum, J.-E. Jeong, M. H. Yun, T. J. Shin, S. Hwang, J. Y. Kim* and H. Y. Woo

Energy Environ. Sci. 2014, 7 (9), 3040–3051.

Benzotriazole-Containing Planar Conjugated Polymers with Non-Covalent Conformational Locks for Thermally Stable and Efficient Polymer Field-Effect Transistors

S. Yum, T. An, X. Wang, W. Lee, M. A. Uddin, Y. J. Kim, T. L. Nguyen, S. Xu, S. Hwang, C. Park*,  H. Y. Woo*

Chem. Mater. 2014, 26(6), 2147-2154.

Semi-crystalline D-A Copolymers with Different Chain Curvature for Applications in Polymer Opto-electronic Devices

W. Lee, G.-H. Kim, S.-J. Ko, S. Yum, S. Hwang, S. Cho, Y.-H. Shin, J. Y. Kim* and H. Y. Woo* 

Macromolecules, 2014, 47 (5), 1604–1612.


Thienothiophene-Benzotriazole Based Semi-crystalline Linear Copolymers for Organic Field Effect Transistors

S. Yum, T. K. An, X. Wang, M. A. Uddin, T. L. Nguyen, S. Xu, H. Ryu, Y. J. Kim, S. Hwang, C. E. Park* and H. Y. Woo*

Pure Appl.Chem. 2014, 86 (8), 1293-1302.

Combination of Conjugated Polyelectrolytes and Biomolecules: A New Optical Platform for Highly Sensitive and Selective Chemo- and Biosensors

J.-E. Jeong, S.-J. Woo, V. S. Le, H. Choi,   H. Y. Woo*

Macromol. Res. 2014, 22 (5), 461-473.

Suppressing Charge Recombination by Incorporating 3,6-Carbazole into Poly[9-(heptadecan-9-yl)-9H-carbazole-2,7-diyl-alt-(5,6-bis-(octyloxy)-4,7-di(thiophen-2-yl)benzo[1,2,5]-thiadiazole)-5,5-diyl]

G.-Y. Lee, B.-J. Moon, S. Song, W. H. Lee, H. Y. Woo* and T. Park*

J. Polym. Sci. Part A: Polym. Chem. 2014, 52, 2047-2056.

Synthesis and Characterization of an Anthracene-Based Low Band Gap Polymer for Photovoltaic Devices

Jung, I. H. Kim, H. Lee, W. Jung, B. J. Woo, H. Y.* Yoo, S.* and Shim, H.-K.*

J. Nanosci. Nanotech. 2014, 14 (8), 6422-6426.

Conjugated polyelectrolyte and aptamer based potassium assay via single- and two-step fluorescence energy transfer with a tunable dynamic detection range

Nguyen, B. L. Jeong, J.-E. Jung, I. H. Kim, B. Le, V. S. Kim, I. Kyhm, K.  Woo, H. Y.*

Adv. Funct. Mater. 2014, 24 (12), 1748-1757.


Multi-charged conjugated polyelectrolytes as a versatile work function modifier for organic electronic devices

Lee. B. H. Jung, I. H. Woo, H. Y.* Shim. H.-K. Kim, G. Lee, K   

Adv. Funct. Mater. 2014, 24, 1100-1108.

Carbazole linked phenylquinoline-based fullerene derivatives as an acceptor for bulk heterojunction polymer solar cells: Effect of interfacial contacts on the device performance

Pachagounder, S. Kakaraparthi, K. Chinnusamy, S. Kumarasamy, G. Kim, H. I.   Shin, W. S. Jeong, J.-E. Woo, H. Y. Jin, S.-H.

J. Mater. Chem. A, 2014, 2, 6916-6921.

Ultrafast combined dynamics of Förster resonance energy transfer and transient quenching in cationic polyfluorene/fluorescein-labelled single-stranded DNA complex

Kim, I. Kyhm, K. Kang, M. Woo, H. Y.

J. Luminescence, 2014, 149, 185-189.

Water-Soluble PPV and C60 Nanocomposite with Enhanced Miscibility and Enhanced Photo-Induced Charge Transfer through Ground State Electrostatic Interactions

Park, Y. I. Park, Y.-S. Gao, J. Grey, J. K. Wang, C.-C. Johal, M. Park, J.  Woo, H. Y. Wang, H.-L.

Polymer, 2014, 55, 855-859.

Acid-functionalized fullerenes used as interfacial layer materials in inverted polymer solar cells

Choi, H. Lee, J. Lee, W. Ko, S.-J. Yang, R. Woo, H. Y.* Yang, C.* Kim, J. Y.*   

Org. Electron. 2013, 14, 3138-3145.


Conjugated Polyelectrolytes: A New Class of Semiconducting Material for Organic Electronic Devices

Lee, W. Seo, J. H.* Woo, H. Y.*

Polymer, 2013, 54, 5104-5121.    

Greenish yellow organic light emitting devices based on novel iridium complexes containing 2-cyclohexenyl-1-phenyl-1H-benzo[d]imidazole

Han, L. Zhang, D. Zhou, Y. Yang, Y. Woo, H. Y. Bai, F. Yang, R. 

Dyes and Pigments, 2013, 99, 1010-1015.

Synthesis and characterization of p-conjugated polymers based on 2-arylbenzimidazole and 4,7-di-thiophene-2-yl-4,5,6,7-tetrahydro-benzo[1,2,5]thiadiazole

Do, T. T. Bae, J. H. Yoo, S. I. Lim, K. T. Woo, H. Y. Kim, J. H.

Mol. Cryst. Liq. Cryst. 2013, 581, 31-37.

Highly Efficient Plasmonic Organic Optoelectronic Devices Based on a Conducting Polymer Electrode Incorporated with Silver Nanoparticles

Ko, S.-J. Choi, H. Lee, W. Kim, T. Lee, B. R. Jung, J. W. Jeong, J.-R. Song. M. H. Lee, J. C. Woo, H. Y.* Kim, J. Y.*

Energy Environ. Sci. 2013, 6, 1949-1955.

Dithieno[3,2-b:2′,3′-d]pyrrole and Benzothiadiazole-Based Semi-Crystalline Copolymer for Photovoltaic Devices with Indene-C60  Bisadduct,ICBA

Lee, W. Kim, G.-H. Jeong, E. Wang, X. Yum, S. Ko, S.-J. Hwang, S. Kim, J. Y.* Woo, H. Y.*

Macromol. Chem. Phys. 2013, 214, 2083-2090.


Highly Efficient Red-Emitting Hybrid Polymer Light-Emitting Diodes via Förster Resonance Energy Transfer Based on Homogeneous Polymer Blends With a Same Polyfluorene Backbone

Lee, B. R. Lee, W. Nguyen, T. L. Park, J. S. Kim, J.-S. Kim, J. Y. Woo, H. Y.* Song, M. H 

ACS Appl. Mater. Interfaces, 2013, 5, 5690-5695.

Enhanced efficiency of single and tandem organic solar cells incorporating a diketopyrrolopyrrole-based low bandgap polymer by utilizing combined ZnO/polyelectrolyte electron transport layers

Jo, J. Pouliot, J.-R. Wynands, D. Collins, S. D. Kim, J. Y. Nguyen, T. L.  Woo, H. Y. Sun, Y. Leclerc, M. Heeger, A. J.

Adv. Mater. 2013, 25, 4783-4788.

Cell imaging and DNA delivery in fibroblastic cells by conjugated polyelectrolytes

Shin, Y. C. Lee, J. H. Jeong J.-E. Kim, B. Lee, E. J. Jin O. S. Jung, T. G. Lee, J. J. Woo, H. Y.* Han, D.-W.*

Biotech. Appl. Biochem. 2013, 60, 580-588.

Ratiometric fluorescent ion detection in water with high sensitivity via aggregation-mediated FRET using a conjugated polyelectrolyte as an optical platform

Le, V. S. Kim, B. Lee, W. Jeong, J.-E. Yang, R. Woo, H. Y.*   

Macromol. Rapid Commun. 2013, 34, 772-778.

Enhanced Photocurrent Generation by   Förster Resonance Energy Transfer between Phospholipid-Assembled Conjugated   Oligoelectrolytes and Nile Red

Lee, Y.; Yang, I.; Lee, J. E.; Hwang, S.; Lee, J. W.; Um, S.-S.; Nguyen, T. L.; Yoo, P.; Woo, H. Y.   ; Park, J.; Kim, S. K.

J. Phys. Chem. C  2013, 117, 3298-3307.


Density functional theoretical study on the interchain packing in thiophene-benzothiadiazole based polymers

Woo, H. Y. Lee, W. Hwang, S.

Bull. Korean Chem. Soc. 2013, 34, 306-308. 

Design and synthesis of indole-substituted fullerene derivatives with different side groups for organic photovoltaic devices

Wang, N.; Bao, X.; Yang, C.; Wang, J.;   Woo, H. Y.   ; Lan, Z.; Chen, W.; Yang, R.

Org. Electron. 2013, 14, 682-692.

Surfactant controlled aggregation of conjugated polyelectrolytes

Heeley, M. E.; Gallaher, J. K.; Nguyen T. L.; Woo, H. Y.; Hodgkiss, J. M.

Chem. Commun. 2013, 49, 4235-4237.

A Spectroscopic and DFT Study of the Electronic Properties of Carbazole-based D-A type Copolymers

Reish, M. E.; Nam, S.; Lee, W.;   Woo, H. Y.; Gordon, K. C. 

J. Phys. Chem. C  2012, 116, 21255-21266.

Ultrafast dynamics of Forster resonance energy transfer and photo-induced charge transfer in cationic polyfluorene/dye-labeled DNA complex

Kyhm, K.*; Kim, I.; Kang, M.; Woo, H. Y.*

J. Nanosci. Nanotech. 2012, 12, 7733-7738.


Density Functional Theoretical Study on the Substituent Effect in Aryl Halide Oxidative Additions to a Rh Pincer Complex

Lee, Y.-J.; Woo, H. Y.; Kim, Y.; Hwang, S.

Bull. Korean Chem. Soc. 2012, 33 (11), 3838-3840.

Observation of Ambipolar Field-effect Behavior in Donor-Acceptor Conjugated Copolymers

Cho, S.; Seo, J. H.; Kim, G.-H.; Kim, J. Y.;   Woo, H. Y.

J. Mater. Chem. 2012, 22, 21238-21241.

Cationic Conjugated Polyelectrolytes-Triggered Conformational Change of Molecular Beacon Aptamer for Highly Sensitive and Selective Potassium Ion Detection

Kim, B.; Jung, I. H.; Kang, M.; Shim, H.-K.*; Woo, H. Y.*

J. Am. Chem. Soc. 2012, 134, 3133-3138.

Efficient Conventional- and Inverted-type Photovoltaic Cells Using a Planar Alternating Polythiophene Copolymer

Lee, W.; Choi, H.; Hwang, S.; Kim, J. Y.*; Woo, H. Y.*  

Chem. Eur. J. 2012, 18, 2551-2558.

Time-dependent decrease in the enhanced electrocatalytc activities observed after three different pretreatments of gold electrodes

Dutta, G.; Lee, H.; Jo, K.; Kim, B.; Woo, H. Y.; Yang, H. 

Journal of Electroanalytical Chemistry 2012, 675, 41-46.

Density Functional Theoretical Study on the Carbon – halide Oxidative Additions to a Rh Pincer Complex

Kim, Y.; Woo, H. Y.; Lee, Y.-J.; Hwang, S. 

Bull. Korean Chem. Soc. 2012, 33, 1052-1054.

pH-responsive water soluble smart vesicles containing a bis(styryl)benzene derivative for two-photon microscopy imaging

Nag, O. K.; Lim, C. S.; Nguyen, B. L.; Kim, B.; Jang, J.; Han J. H.; Cho, B. R.*; Woo, H. Y.* 

J. Mater. Chem. 2012, 22, 1977-1984.

2,5-Di(thiophen-2-yl)thiazolo[5,4-d]thiazole-based Donor-Acceptor Type Copolymers for Photovoltaic Cells

Jeong, E.; Kim, G.; Jung, I. H.; Jeong, P.; Kim, J. Y.; Woo, H. Y.*

Curr. Appl. Phys. 2012, 12, 11-16.

Optical Properties of a Two-Photon Chromophore in a Polymeric Nanostructure

Nag, O. K.;   Woo, H. Y.*  

Mol. Cryst. Liq. Cryst. 2012, 554, 65-71.

High Performance Polymer Light-Emitting Diodes with N-type Metal Oxide/Conjugated Polyelectrolyte Hybrid Charge Transport Layers

Park, J. S.; Lee, B. R.; Jeong, E.; Lee, H.-J.; Lee, J. M.; Kim, J.-S.; Kim, J. Y.;  Woo, H. Y.*; Kim, S. O.*; Song, M. H.* 

Appl. Phys. Lett. 2011, 99, 163305.


Combination of Titanium Oxide-Conjugated Polyelectrolyte for High-Performance Inverted-Type Organic Optoelectronic Devices

Choi, H.; Park, J. S.; Jeong, E.; Kim, G.-H.; Lee, B.; Kim, S. O.; Song, M. H.;  Woo, H. Y.*; Kim, J. Y.*

Adv. Mater. 2011, 23, 2759-2763.

Di-aryl Substituted Poly(cyclopenta[def]phenanthrene) Derivatives Containing Carbazole and Triphenylamine Units in the Main Chain for Organic Light-Emitting Diodes

Kim, J.; Kim, S. H.; Kim, J.; Kim, I.; Jin, Y.; Kim, J. H.; Woo, H. Y.; Lee, K.; Suh, H.

Macromol. Res. 2011, 19, 589-598.

Synthesis and Photovoltaic Properties of Alternating Conjugated Polymers Derived from Indeno[1,2-b]fluorene and   Bithiophene or Thieno[3,2-b]thiophene-cored Benzothiadiazole

Xia, Y.; He, Z.; Tong, J.; Li, B.; Wang, C.; Cao, Y.; Wu, H.; Woo, H. Y.; Fan, D.

Macromol. Chem. Phys.  2011, 212, 1193-1201.

Density functional theoretical study on the oxidative additions of silyl halides to the Rh pincer Complex

Kim, Y.; Woo, H. Y.; Hwang, S. 

Bull. Korean Chem. Soc. 2011, 32, 2479-2481.

Synthesis and characterization of fluorene and cyclopentadithiophene-based copolymers exhibiting broad absorption for photovoltaic devices

Jung, I. H.; Kim, S. H.; Jeong, E.; Yang, R.; Lee, K.; Woo, H. Y.*; Shim, H.-K.*

J. Polym. Sci. Part A: Polym. Chem. 2011, 49, 1248-1255.

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