Talks

Invited Conference and Symposium Talks

69. Efficient Charge Collection & Better Solar Energy Conversion, The 14th International Meeting on Information Technology (iMiD 2014), Korea

68. Selective Positioning of Lithium Ions and Efficient Charge Collection, Sungkyun International Solar Forum (SISF) 2014, Korea, 07/03/2014

67. Effective Charge Extraction in Hybrid Solar Cells Based on a Perovskite, Korean Organic Solar Cells Society, Korea, 06/20/2014

66. Charge Density Dependent Mobility by Transient Mobility Spectroscopy in Hybrid Solar Cells Based on a Perovskite, Korean Society of Industrial and Engineering Chemistry, 05/01/2014

65. Conducting polymers: Controlling Morphology and Charge Transportation, Korean Society of Industrial and Engineering Chemistry, 05/02/2014

64. Double Open-Ended TiO2 Nanotubes Arrays Decorated with Small-Sized TiO2 Particles for Highly Efficient Dye-Sensitized Solar Cells, 2014 MRS SPRING MEETING, USA, 04/23/2014

63. Thiophene-Based All-Conjugated Amphiphilic Block Copolymers with a Narrow Molecular Weight Distribution, The Polymer Society of Korea, Korea, 04/17/2014

62. Charge Transporting Mechanism in Hybrid Solar Cells, Korean Photovoltaic Society (GPVC 2014), Korea, 04/03/2014

61. Intra- and Inter-Molecular Doping into Photoactive Conducting Polymers: Hole mobility, Nanostructures, & Photovoltaic Performances, The Polymer Society of Korea, Korea, 11/11/2013

60. Facile Fabrication of Ordered TiO2 Nanotubes with Both Ends Opened via a Selective Etching Process, The 11th International Conference on Nano Science and Nano Technology, Korea, 11/07/2013

59. Thiophene-Based All-Conducting Amphiphilic Block Copolymers, The 7th JAPAN-KOREA JOINT SYMPOSIUM 2013 in TIT, Japan, 11/01/2013

58. Simultaneously Grasping and Self-Organizing Photoactive Polymers for Highly Reproducible Organic Solar Cells with Improved Efficiency, The Polymer Society of Korea, Korea, 10/11/2013

57. Thiophene-Based All-Conducting Amphiphilic Block Copolymers: Synthesis, self-assembly, and applications, Korea-Taiwan Polymer Symposium, Korea, 10/10/2013

56. Simultaneously Grasping and Self-Organizing Photoactive Polymers: Highly Reproducible Organic Solar Cells, SPSJ Symposium on Macromolecules, Japan, 09/10/2013

55. Conducting Polymer Bilayer Membranes by Photoelectrochemical Polymerization, IUPAC 10th international conference on advanced polymers via macromolecular engineering, UK, 08/20/2013

54. Strategy Toward Ideal Dye-Sensitized Solar Cells with High Efficiency & Long-Term Stability, The 15th Asian Chemical Congress, Singapore, 08/22/2013

53. Intra- and Inter-Molecular Doping into Photoactive Conducting Polymers, China-Korea Bilateral Symposium on Polymer Materials 2013, China, 07/12/2013

52. In-situ Measurements of Charge Density Dependent Mobility of Organic Hole-Transporters in Solid-State DSCs, 2013 Korea-China Bilateral Symposium in Solar Cells, Korea, 06/25/2013

51. Dye-Sensitized Solar Cells, The 5th ERC Summer School on Dye Sensitized Solar Cells, Korea, 06/24/2013

50. Light Conversion to Electricity by Organic Materials: Hole mobility, Nanostructures, & Photovoltaic Performances, Photonic Materials Colloquium 2013, Korea, 06/20/2013

49. Solar Cells Based on Organic Materials, Special Symposium on Fused Energy Conversion Technology, Korea, 06/14/2013

48. Synthesis and Self-Assembly of Thiophene-Based All-Conjugated Amphiphilic Diblock Copolymers with a Narrow Molecular Weight, Korean Society of Industrial and Engineering Chemistry, Korea, 05/01/2013  

47. Ideal Dye-Sensitized Solar Cells with High Efficiency & Long-Term Stability, Korean Institute of Chemical Engineering, Korea, 04/18/2013

46. The Effect of Network Polymer Nanocomposites having Size-Selective Ion Transfer on Photovoltaic Performance of Dye-Sensitized Solar, The Polymer Society of Korea, Korea, 04/04/2013

45. Facile Fabrication of Aligned Both Open-Ended TiO2 Nanotubes by a Selective Etching Process, for Use in Dye Sensitized Solar Cells, 2013 MRS SPRING MEETING, USA, 04/01/2013

44. Iodine-Free Solid-State Dye-sensitized Solar Cells, Industry-University Joint Workshop in Solar Cells Organized by Korean Electrochemistry Society, Korea, 02/22/2013

43. 3,6-Carbazole Incorporated into D-A types of Copolymers Improving the Power Conversion Efficiency, The 5th Asian Conference on Organic Electronics (A-COE 2012), Japan, 12/20/2012

42. Study of Charge Transportation in DSCs Using Nanosecond Transient Absorption Spectrophotometer (TAS), Korean Organic Solar Cell Society, Winter Meeting, Korea, 12/16/2012

41. Long-Term Stability and Charge Transportation in Dye-Sensitized Solar Cells, Asian-Pacific Forum on Renewable Energy (AFORE) 2012, Korea, 11/27/2012

40. Development of New Conjugated Polymers with Enhanced Efficiency, The Polymer Society of Korea, Korea, 10/12/2012

39. Highly Stable Dye-Sensitized Solar Cells Employing Size-Selective Ion Transporting, KJF International Conference on Organic Materials for Electronics and Photonics (KJF2012-ICOMEP), Japan, 09/29/2012

38. Conjugation Break Induced by 3,6-Carbazole in D-A Copolymers Enhancing Power Conversion Efficiency in Organic Solar Cells, 2012 Nano Korea, 08/14/2012

37. Thermodynamic Control over the Competitive Anchoring of N719 dye on Nanocrystalline TiO2 for Improving Photoinduced Electron Generation, The 19th International Conference on Photochemical Conversion and Storage of Solar Energy (IPS), USA, 08/01/2012

36. Molecular Doping of D--A Types of Conducting Polymers for Organic Solar Cells, 2012 Korea-China bilateral symposium in polymer science, Korea, 06/17/2012

35. 3,6-Carbazole incorporated into Poly[9,9-Diocylfluorene-alt-(Bisthienyl)-Benzothiadiazole]s Improving the Power Conversion Efficiency, The 19th annual meeting for Korean Society of Photoscience & symposium on artificial photosynthesis, Korea, 06/15/2012

34. Several Aspects of Organic Materials for Solid-State Dye-Sensitized Solar Cells and Their Spectroscopic Analysis, Korean Institute of Chemical Engineering, Korea, 04/26/2012

33. Thermodynamic Control over the Competitive Anchoring of N719 dye on Nanocrystalline TiO2 in Dye-Sensitized Solar Cells, The Polymer Society of Korea, Korea, 04/12/2012

32. Solid-State Dye-Sensitized Solar Cells Based on Novel Conducting Polymer by Photoelectrochemical Polymerization, 2011 MRS FALL MEETING, USA, 11/28/2011

31. Competitive Adsorptive Equilibrium Process In Dye-Sensitized Solar Cells, Korean Electrochemistry Society, Korea, 10/07/2011

30. Improving Electron-Generation and Long-Term Stability in Dye-Sensitized Solar Cells, Korean Chemical Society, Korea, 09/28/2011

29. Synthesis and Characterization of Thiophene-Based Block Copolymers for Self-Assembled Nanostructures, KJF International Conference on Organic Materials for Electronics and Photonics (KJF2011-ICOMEP), Korea, 09/16/2011

28. Spectroscopic Studies of Charge Transport in Dye-Sensitized Solar Cells, The 13th Asian Chemical Congress, China, 09/14/2011

27. Effect of Coadsorbent Properties on the Photovoltaic Performance and Stable Dye-Sensitized Solar Cells, The 14th Asian Chemical Congress, Thailand, 09/07/2011

26. Intramolecular Charge Transfer Complexation In D-A Types of Conducting Polymers and its Application for Solar Cells, The 14th Asian Chemical Congress, Thailand, 09/06/2011

25. Effect of Coadsorbent Properties on the Photovoltaic Performance of Dye-sensitized Solar Cells, 2011 American Chemical Society Fall Meeting, USA, 08/29/2011

24. Highly Ordered TiO2 Nanotube Arrays Made by Anodic Oxidation and Application to Dye-Sensitized Solar Cells, The 18th international Conference on composite materials, Korea, 08/21/2011

23. Thermodynamic Control in Competitive Anchoring of N719 sensitizer on Nanocrystalline TiO2 for Improving Photoinduced Electrons, International Symposium on Renewable Energy, Korean Vacuum Society, Korea, 08/17/2011

22. Interface Engineering for High Efficient Hybrid Photocells with Long Term Stability, The 15th international symposium on advanced display materials & devices (ADMD), Japan, 06/30/2011

21. Synthesis and Characterization of Thiophene-Based Block Copolymers for Self-Assembled Nanostructures, The 2nd FAPS polymer congress, China, 05/08/2011

20. Polymeric Vesicles with a Hydrophobic Interior Formed by Thiophene-Based All-Conjugated Amphiphilic Diblock Copolymer, Korean Chemical Society, Korea, 04/28/2011

19. Study on Coadsorbent Properties for improving the Photovoltaic Performance of Dye-Sensitized Solar Cells, The Polymer Society of Korea, Korea, 04/08/2011

18. Coadsorbents enhancing light harvesting of dyes and stability of dye-sensitized solar cells, The Polymer Society of Korea, Korea, 02/10/2011

17. Effect of Coadsorbent Properties on the Photovoltaic Performance of Dye-Sensitized Solar Cells, The 6th NTU-POSTECH Joint Workshop on Materials and Nanotechnology & Bioengineering, NTU, Singapore, 01/17/2011

16. Controlling Dye Adsorption Rate Improve Photo-Induced Electron Injection in Dye-Sensitized Solar Cells, 2010 MRS fall meeting, USA, 12/01/2010

15. Effects of Chemical Nature of Coadsorbents on Interfacial Properties of Dye-Sensitized Solar Cells, The 12th Cross Straits Symposium on Materials, Energy and Environmental Engineering, Korea, 11/18/2010

14. Characterization of Novel Carbazole Based Polymers: Effect of Conjugation Direction and Steric Hindrance on Their Photophysical and Electrical Properties, The Polymer Society of Korea, Korea, 10/07/2010

13. Powering Electron-Harvesting in Dye-Sensitized Solar Cells, The 5th Aseanian conference on dye-sensitized and organic solar cells, China, 08/26/2010

12. Synthesis and Characterization of Novel Hole Transport Materials (HTM) for Solid-state Dye-Sensitized Solar Cells (ss-DSSCs), KJF International Conference on Organic Materials for Electronics and Photonics (KJF2010-ICOMEP), Japan, 08/23/2010

11. All conjugated Block Copolymers Synthesized via Quasi Living Polymerization, Korean Chemical Society, Korea, 04/29/2010

10. Effects of Hydrophobic Energy Barriers on Charge Recombination Reactions in Dye-Sensitized Solar Cells, The Polymer Society of Korea, Korea, 04/09/2010

9. Materials for Rrganic Based Solar Cells, The 5th NTU-POSTECH Joint Workshop on Materials and Nanotechnology & Bioengineering, POSTECH, Korea, 02/01/2010

8. Molecular Engineering of Silole-based Fused Aromatic Copolymers to Tune energy level in Organic Solar Cells, The 19th International Photovoltaic Science and Engineering Conference and Exhibition, Korea, 11/12/2009

7. Spectroscopic Studies of Charge Transport in Dye-Sensitized Solar Cells, The 1st FAPS Polymer Congress, Japan, 10/22/2009

6. New Materials for Information and Energy Technology, Korean Organic Solar Cells Society, Korea, 09/22/2009

5. New Materials for Solar Energy Conversion, UNSW-POSTECH workshop on energy and materials, POSTECH, Korea, 06/25/2009

4. Spectroscopic Study on Synthesis of Arylamine Polymers and Their Electrophotonic Properties, Korean Institute of Chemical Engineering, Korea, 04/22/2009.

3. Panel Discussion for the Future Energy Sources, The World Green Energy Forum, Korea, 10/08/2008.

2. Iodine-Free Solid State Dye-Sensitized Solar Cells, Korean Institute of Chemical Engineering, Korea, 04/25/2008.

1. Solid-State Dye-Sensitized Solar Cells, The Polymer Society of Korea, Korea, 04/10/2008

Invited Lectures

30. Effective Charge Collection in Solar Cells Based on Organic Materials, Korean Institute of Chemical Technology (KIST), Korea, 07/07/2014

29. Recent Progress in Organic-Based Solar Cells, LG Chem. Research Park, Korea, 05/09/2014

28. Controlling Interfaces Between Donors and Acceptors in the Molecular Level for High Power Conversion Efficiency, Pusan National University, Korea, 08/26/2013

27. Ideal Dye-Sensitized Solar Cells with High Efficiency & Long-Term Stability, Sunmoon University, Korea, 04/22/2013

26. Recent Progress in Organic Solar Cells, LG Chem. Research Park, Korea, 06/08/2012

25. Long-Term Stability and Charge Transportation in Dye-Sensitized Solar Cells, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Korea, 02/01/2012

25. Charge Transporting by Organic Hole Conductors in Hybrid Solar Cells, Hanyang University, Korea, 07/21/2012

24. Interface Engineering for Organic-Based Hybrid Solar Cells, Seoul National University, 05/21/2012

23. Study of Charge Transportation in DSCs Using Nanosecond Transient Absorption Spectrophotometer (TAS), Pusan National University, 01/18/2012

22. Principle of Dye-Sensitized Solar Cells and Recent Progress in Solid-State devices, Korea University, 09/21/2012

21. Recent OPV works in TP LAB, Yeung-Nam University, Korea, 11/23/2012

20. Organic Materials Related to Self-Assembly and Energy Generation, Chungnam National University, Korea, 12/28/2012

19. Long-Term Stability & Charge Transportation in Dye-Sensitized Solar Cells, Korean Research Institute of Science and Technology (KRIST), Korea, 12/09/2011

18. Competitive Adsorptive Anchoring Process in Dye-Sensitized Solar Cells, Kumoh National Institute of Technology, Korea, 11/11/2011

17. Molecular Engineering of Heterogeneous Interfaces for Improving Electron-Generation and Long-Term Stability in Dye-Sensitized Solar Cells, Dong-Jin Semichem. Ltd, Korea, 03/31/2011

16. Molecular Engineering of Heterogeneous Interfaces for Improving Electron-Generation and Long-Term Stability in Dye-Sensitized Solar Cells, Cheung-Ju National University, Korea, 03/30/2011

15. Molecular Engineering of Heterogeneous Interfaces for Improving Electron-Generation and Long-Term Stability in Dye-Sensitized Solar Cells, TG Energy Ltd, Korea, 03/24/2011

14. Molecular Engineering of Heterogeneous Interfaces for Improving Electron-Generation and Long-Term Stability in Dye-Sensitized Solar Cells, Yeung-Nam University, Korea, 03/11/2011

13. Coadsorbents Enhancing Light Harvesting of Dyes and Stability in Dye-Sensitized Solar Cells, Korea University, Korea, 02/25/2011

12. Pore-Filling of Spiro-OMeTAD in Solid-State Dye Sensitized Solar Cells, LG Chem. Research Park, Korea, 02/21/2011

11. Powering Power Conversion in Dye Sensitized Solar Cells, In-Cheon National University, Korea, 06/11/2010

10. Recent Progress in Solid-State Dye Sensitized Solar Cells, Yeung-Nam University, Korea, 06/04/2009

9. Recent Progress in Solid-State Dye Sensitized Solar Cells, Korea University, Korea, 11/17/2009

8. Organic Materials for Photovoltaics, Pusan National University, Korea, 11/13/2009

7. Research Areas for Solar Energy at POSTECH, Ulsan University of Science and Technology (UNIST), Korea, 07/10/2009

6. From Organic Chemistry to Electronics in OPV, Sogang University, Korea, 05/14/2009

5. Synthesis and Spectroscopic Study of Polymeric Hole Conductors for Solid-State DSSCs, Korean Research Institute of Science and Technology (KRIST), Korea, 02/25/2009

4. Synthesis and Spectroscopic Study of Polymeric Hole Conductors for Solid-State DSSCs, Korean Institute of Chemical Technology (KIST), Korea, 02/25/2009

3. Solid-State Dye-Sensitized Solar cells, Chung-Nam National University, Korea, 02/02/2009

2. A Quadruply Hydrogen Bonded Hetero-Complexes, Tokyo Institute of Technology (TIT), Japan, 10/22/2008

1. Molecular Engineering for Solid-State Dye-sensitized Solar Cells, Kyushu University, Japan, 01/22/2008