Wen-Chang Chen

Professor of Polymer Science and Engineering
Professor of Chemical Engineering

¡½Educational Background
B.S., Department of Chemical Engineering, National Taiwan Univeristry(1985)
Ph.D., Department of Chemical Engineering, University of Rochester (1993
¡½Experience

-Polymer Program Coordinator, National Science Council, 2009.01.01~
-Visiting Scholar, Stanford University, 2008/8~2008/12
-Professor and Director of Polymer science and Engineering, NTU, 2005.08.01~
-Professor of Chemical Engineering, 2000-
-Visiting Scholar, University of Washington (Seattle, USA) (2000)
-Visiting Scholar, Hong-Kong University of Science and Technology (1998)
-Associate professor, Department of Chemical Engineering, NTU, 1996 ~2000
-Research Scientist, Industrial Technology Research Institute (ITRI), 1993~1996

¡½Research Areas
Electronic and Optoelectronic Polymers, Living Polymerization, Hybrid Materials

¡½Research Publications
132 refereed research articles, 115 conference articles, and 17 issued patents

¡½Major Awards and Honors
-Outstanding Paper Award, Polymer Society (Taipei), 2008.
- Lam Research MS Thesis Award (NTU), 2008
-Outstanding Engineering Professor, Chinese Institute of Engineers, 2007.
-Distinguished Professor, National Taiwan University, 2006-2009.
-Academy-Industry Collaboration Ph.D. Thesis Award (Advisor), Ministry of Education, 2006.
-Outstanding Research Award, National Science Council, 2004~2007.
-Annual Best Paper Award, Polymer Society (Taipei), 2004.
-Research Accomplishment Award, NTU, 2004.
-Lam Research Ph.D. Thesis Award (Advisor), 2004, 2006.
-Master Thesis Award (Advisor), National Science Council, 2001, 2003.
-Young Scholar Award, The Chinese Institute of Chemical Engineering, 1997.
-Best Paper Award, Union Chemical laboratory, ITRI, 1995.
-Research Publication Award, ITRI, 1995.
-Team Research Award (project Leader), ITRI, 1995.

¡½Selected Society Activities:
1.Board Member of the following societies:
(1) Polymer Society (Taipei), 2001~¨´¤µ;
(2) Taiwan Chemical Industry Association, 2006~2009,
(3) Plastics Industry Development Center, 2002~2005,
(4) Board Member of Chung-Hua Chemical Co., 2003~2006;
2. Editorial Board of International Journals:
(1)Editorial Board, Advances in Optoelectronics (2006-now, Hindawi).
(2)Editorial Board, Reactive and Functional Polymers (2007/5, SCI, Elsevier)
(3)Editorial Board, Asia Materials (2008/2-now, Nature Asia-Pacific).
(4)Editorial Board, Asia Materials (2009/8-now, SCI, Springer).
(5)Guest Editor, Special issue: Functional block Copolymers in Reactive and Functional Polymers (2009, Elsevier)
3.Committee Members of International Conference
(1)Scientific Committee of ¡§International Symposium on Advanced Materials and Nano-materials with Precisely Designed Architectures¡¨ (Japan, Oct. 4-6, 2007).
(2)International Advisory Board of ¡§Advances in Polymer Science and Technology¡¨ ( New Delhi, Jan. 28-31, 2008).
(3)Organizing Committee of IUPAC Macro 2008 (Taipei, June 29-July 4, 2008).
(4)Organizer of ¡§2009 Taiwan-Japan bilateral Polymer Symposium¡¨ (Taipei, April 23-24, 2009).
(5)Organizing committee member of ¡§ 2009 International Symposium on Nano Structures: Synthesis,Characterization and Application¡¨, (Gwangju, Korea, Oct.7-9, 2009).
(6)Advisory committee member of ¡§The 7th Asian-Australasian Conference on Composite Materials (ACCM-7)¡¨ (Taipei, Nov. 15-18, 2010).
(7)Technical Committee Member of ¡§13th Asia Pacific Confederation of Chemical Engineering Congress(13 APCCHE)¡¨, (Taipei, October 5-8, 2010).

1. C. C. Chueh, M. H. Lai, J. H. Tsai, C. F. Wang, and W. C. Chen*, ¡§Syntheses, Properties, and Field Effect Transistors of Small Band Gap Quinoxaline- and Thienopyrazine-Vinylene/Ethynylene Conjugated Polymers¡¨, J. Polym. Sci. Polym. Chem., 48, 74-81 (2010).
2. C. C. Kuo, Y. C. Tung, and W. C. Chen,*?¡§Morphology and pH Sensing Characteristics of New Luminescent Electrospun Fibers Prepared From Poly(phenylquinoline)-block-Polystyrene/Polystyrene Blends¡¨, Macromol. Rapid Commun., 31, 65-70 (2010). (SCI, EI) (NSC97-2221-E002-024-MY3)
3. Yanqing Tian,* Ching-yi Chen, Hin-Lap Yip, Wen-chung Wu, Wen-Chang Chen,and Alex K.-Y. Jen*, ¡§Synthesis, Nanostructure, Functionality, and Application of Polyfluorene-block-Poly(Nisopropylacrylamide)¡¨, Macromolecules, 43, 282-291 (2010).
4. G. S. Liou, P. H. Lin, H. J. Yen, Y. Y. Yu, T. W. Tsai and W. C. Chen,¡§Highly flexible and optical transparent 6F-PI/TiO2 optical hybrid films with tunable refractive index and excellent thermal stability¡¨, J. Mater. Chem., 20, 531-536 (2010)
5. Yanqing Tian,* Wen-Chung Wu, Ching-Yi Chen, Sei-Hum Jang, Meng Zhang, Tim Strovas, Judy Anderson, Brad Cookson, Yongzhong? Li, Deirdre Meldrum, Wen-Chang Chen, Alex K.-Y. Jen*, (2010), ¡§Utilization of micelles formed from poly(ethylene glycol)-block-poly(e-caprolactone) block copolymers as nanocarriers to enable hydrophobic red two-photon absorbing (2PA) emitters for cells imaging¡¨ J. Biomed. Mater. Res. Part A, 93A, 1068-1079.
6. Wen-Ya Lee, Kai-Fang Cheng, Then-Fu Wang, Wen-Chang Chen*, and Feng-Yu Tsai* ¡§Photovoltaic properties of low-band-gap fluorene-based donor-acceptor copolymers¡¨, Thin Solid Films, 518, 2119-2123 (2010).
7. Wen-Chung Wu, Ching-Yi Chen, Yanqing Tian, Sei-Hum Jang, Yuning Hong, Yang Liu, Rongrong Hu,Ben Zhong Tang, Chin-Ti Chen, Wen-Chang Chen, and Alex K.-Y. Jen*, (2010), ¡§Enhancement of Aggregation-Induced Emission in Dye-encapsulated Polymeric Micelles for Bioimaging¡¨, Adv. Funct. Mater., 20, 1413-1423.
8. Yi-Kai Fang, Wen-Ya Lee, Chi-Shen Tuan, Ling-Hui Lu, Wan-Jung Teng, and Wen-Chang Chen*, ¡§New Poly(4,4¡¬-dicyano-4¡²-vinyl-triphenylamine) Host Material for Single-Layer Ir-complex Phosphorescent Light Emitting Devices¡¨, Polym. J., 42, 327-335
9. T. Kuorosawa, C. C. Chueh, C. L. Liu, T. Higashihara, M. Ueda,* and W. C. Chen,* (2010), ¡§High Performance Volatile Polymeric Memory Devices Based on Novel Triphenylamine-based Polyimides Containing Mono- or Dual-mediated Phenoxy Linkages ¡§, Macromolecules, 43, 1236-1244.
10. Y. Y. Wang and W. C. Chen*, (2010), ¡§Synthesis, properties, and antireflective applications ofnew colorless polyimide-inorganic hybrid optical materials¡¨, Composite Sci. Technol., 70, 769-775.
11. G. S. Liou, P. H. Lin, H. J. Yen, Y. Y. Yu, and W. C. Chen, (2010), ¡¨ Flexible Nanocrystalline -Titania/Polyimide Hybrids with High Refractive Index and Excellent Thermal Dimensional Stability¡¨ J. Polym. Sci.Part A: Polym. Chem., 48, 1433¡V1440.
12. J. H. Tsai, C. C. Chueh,? W. C. Chen* C. Y. Yu, G. W. Hwang, and C. Ting,* E. C. Chen, and H. F. Meng, (2010), "New Thiophene-Phenylene-Thiophene (TPT)¡VAcceptor Random Conjugated Copolymers For Optoelectronic Applications", J. Polym. Sci. Part A: Polym. Chem., 2351-2360.
13. Jung-Hsun Tsai, Wen-Ya Lee, Wen-Chang Chen,* Chao-Ying Yu, Gue-Wuu Hwang, and Ching Ting* , (2010), ¡§New Two-Dimensional Thiophene-Acceptor Conjugated Copolymers For Field Effect Transistor and Photovoltaic Cell Applications¡¨, Chem. Mater., 22, 3290-3299.
14. Ping Tzeng, Chi-Ching Kuo, Sung-Tso Lin, Yu-Chen Chiu, and Wen-Chang Chen,*¡§New Thermoresponsive Luminescent Electrospun Nanofibers Prepared From Poly[2,7-(9,9-dihexylfluorene)]-block-poly(N-isopropylacrylamide)/PMMA Blends¡¨, Macromol. Chem. Phys., in press.
15. J. H. Tsai, Y. C. Lai, T. Higashihara, C. J. Lin, M. Ueda,* and W. C. Chen,* ¡§Enhancement of P3HT/PCBM Photovoltaic Efficiency using the Surfactant of Triblock Copolymer Containing Poly(3-hexylthiophene) and Poly(4-vinyltriphenylamine) Segments¡¨, Macromolecules, accepted.
16. Wei-Hsuan Chang, Shih-Hao Chou, Jiang-Jen Lin,* Wen-Chang Chen,* and Yu-Jane Sheng,* (2010), ¡§Thin film morphologies of ƒà-conjugated rod-coil block copolymers with thermoresponsive properties¡¨, J. Chem. Phys., in press.
17. J. H. Oh, S.¡VL. Suraru, W.-Y. Lee, M. Konemann, H. W. Hoffken, C. Roger, R. Schmidt, Y. Chung, W.-C. Chen, F. Wurthner,* Z. Bao,* (2010),? ¡§High-Performance Air-Stable n-Type Organic Transistors Based on Core-Chlorinated Naphthalene Tetracarboxylic Diimides¡¨, Adv. Funct. Mater., in press.
18. Y. K. Fang, C. L. Liu, C. Li, C. J. Lin, R. Mezzenga,* and W. C. Chen*, (2010) ¡§Synthesis, Morphology and Properties of New Poly(3-hexylthiophene)- block-poly(vinylphenyl oxadiazole) Donor-Acceptor Rod-Coil Block Copolymers and Their Memory Device Applications¡¨ , Adv. Funct. Mater. in press.
19. Mei-Hsiu Lai, Jung-Hsun Tsai, Chu-Chen Chueh, Chih-Feng Wang and Wen-Chang Chen,* (2010), ¡§Syntheses of New 3,6-Carbazole based Donor-Acceptor Conjugated Copolymers for Optoelectronic Device Applications¡¨, Macromol. Chem. Phys., accepted.
20. Cheng-Liang Liu, Chia-Hung Lin, Chi-Ching Kuo, Sung-Tso Lin, and Wen-Chang Chen,* ¡§Conjugated Rod-Coil Block Copolymers: Synthesis, Morphology, Photophysical Properties, and Stimuli-Responsive Application¡¨, Prog. Polym. Sci., accepted.
21. C. C. Chueh, T. Higashihara, J. H. Tsai, M. Ueda, and W. C. Chen,*¡§All-Conjugated Diblock Copolymer of Poly(3-hexylthiophene)-block -poly(3-phenoxymethylthiophene) For Field-Effect Transistor and Photovoltaic Applications¡¨, Org. Electron., 10, 1541-1548(2009) (SCI, EI)
22. K. Fuchise, R. Kakuchi, S. T. Lin, R. Sakai, S. I. Sato, T. Satoh, W. C. Chen,*, and T. Kakuchi, ¡§Control of Thermoresponsive Property of Urea End-Functionalized Poly(N-isopropylacrylamide) Based onthe Hydrogen Bond Assisted Self-Assembly in Water¡¨, J. Polym. Sci. Polym. Chem., 47, 6259-6268(2009). (SCI, EI)
23. C, L. Liu, J. C. Hsu, W. C. Chen*, K. Sugiyama, and A. Hirao, ¡§Non-volatile Memory Devices Based on Poly(styrene) Derivatives with Electron-Donating Oligofluorene Pendent Moieties¡¨, ACS Appl. Mater. & Interface, 1, 1974-1979(2009).
24. C. T. Wang, C. C. Kuo, H. C. Chen, and W. C. Chen*¡§Nonwoven and Aligned Electrospun Multicomponent Luminescent Polymer Nanofibers: Effects of Aggregated Morphology on the Photophysical Properties¡¨, Nanotechnology, 37, article no.: 375604 (2009) (SCI, EI)
25. W. L.Chang, H. W. Su, and W. C. Chen,*, ¡§Synthesis and Properties of Photosensitive Polyimide-Nanocrystalline Titania Optical Thin Films¡¨, Euro. Polym. J., 45, 2749-2759(2009) (SCI, EI)
26. S. T. Lin, K. Fuchise, Y. Chen, R. Sakai, T. Satoh, T. Kakuchi and W. C. Chen,*, ¡§Synthesis, Thermomorphic Characteristics, and Fluorescent Properties of Poly[2,7-(9,9-dihexylfluorene)]-block-poly(N-isopropylacrylamide)-block-poly(N-hydroxyethylacrylamid-e ) Rod-Coil-Coil Triblock Copolymers¡¨, Soft Matter, 5, 3761-3770 (2009) (SCI, EI)
27. C. Li, J. H. Hsu, K. Sugiyama, A. Hirao, W. C. Chen,*, and R. Mezzenga, ¡§Synthesis and self-assembly behaviour of poly(fluorenyl styrene)-block-poly(2-vinyl pyridine) block copolymers and their blends with single wall carbon nanotubes (SWCNTs)¡¨, Macromolecules, 42, 5793(2009) (SCI, EI)
28. N. H. You, C. C. Chueh, C. L. Liu, M. Ueda and W. C. Chen,*, ¡§Synthesis and Memory Device Characteristics of New Sulfur- Donor Containing Polyimides¡¨, Macromolecules, 42, 4456-4463 (2009). (SCI, EI)
29. F. C. Chen, J. L. Wu, C. L. Lee, W. C. Huang, H. M. P. Chen, and W. C. Chen,*, ¡§¡¨Flexible Polymer Photovoltaic Devices Prepared with Inverted Structures on Metal Foils¡¨, IEEE Electro. Dev. Lett., 30, 727-729 (2009). (SCI, EI)
30. H. W. Chang, K. H. Lin, C. C. Chueh, G. S. Liou, and W. C. Chen,* , ¡§New P-type of Poly(4-methoxy-triphenylamine)s Derived by Coupling Reactions: Synthesis, Electrochromic Behaviors, and Hole Mobility¡¨, J. Polym. Sci. Polym. Chem., 47, 4037-4050(2009) (SCI, EI)
31. W. S. Chiang, C. H. Lin, C. L. Yeh, B. Nandan, P. N. Hsu, C. W. Lin, W. C. Chen,* and H. L. Chen,* Tetragonally Packed Cylinder Structure of Comb-Coil Block Copolymer Bearing Hetero-arm Architecture¡¨ Macromolecules, in press (2009).
32. Jung-Hsun Tsai, Chu-Chen Chueh, Mei-Hsiu Lai, Chih-Feng Wang, Wen-Chang Chen* Bao-Tsan Ko, and Ching-Ting, ¡§Synthesis of New Indolocarbazole¡VAcceptor Alternating Conjugated Copolymers and Their Applications to Thin Film Transistors and Photovoltaic Cells¡¨, Macromolecules, in press.
    
    
    
    
    
    
    
    
    
    
    
33. H. W. Su and W. C. Chen,* ¡§High Refractive Index Polyimide-Nanocrystalline Titania Hybrid Optical Materials¡¨, J. Mater. Chem., 38, 1139-1145(2008).
34. C. S. Li, W. C. Wu, Y. J. Sheng,* and W. C. Chen,* ¡§Effects of Chain Architectures on the Surface Structures of Conjugated Rod-Coil Block Copolymer Brushes¡¨, J. Chem. Phys., 128, 154908 (2008).
35. H. W. Su and W. C. Chen,* ¡§Photosensitive High Refractive Index Poly(acrylic acid)-graft-Poly(ethylene glycol methacrylate)-Nanocrystalline Titania Hybrid Films¡¨, Macromol. Chem. Phys., 209, 1778-1786(2008). (feature on issue cover page)
36. K.-F. Cheng, .C. C. Chueh,. C. H. Lin,.and W. C. Chen,* ¡§Synthesis, Properties, and Field Effect Transistor Characteristics of New Thiophene-[1,2,5]thiadiazolo[3,4-g]quinoxaline-Thiophene based Conjugated Polymers¡¨, J. Polym. Sci. Part A: Polym. Chem., 46, 6305-6316(2008).
37. S. T. Lin, Y. C. Tung, W. C. Chen,* ¡§ Synthesis, Structures and Multifunctional Sensory Properties of Poly[2,7-(9,9-dihexylfluorene)]-block-poly[2-(dimethylamino)ethyl methacrylate] Rod-Coil Dibock Copolymers¡¨, J. Mater. Chem., 18, 3985-3992(2008).
38. C. L. Liu, J. H. Tsai, W. Y. Lee, W. C. Chen*, and S. A. Jenekhe*, ¡§New Didecyloxyphenylene¡VAcceptor Alternating Conjugated Copolymers: Synthesis, Properties, and Optoelectronic Device Applications¡¨, Macromolecules, 41, 6952-6959(2008).
39. C. C. Kuo,Y. C. Tung, C. H. Lin, and W. C. Chen* ¡§Novel Luminescent Electrospun Fibers Prepared From Conjugated Rod-Coil Block Copolymer of Poly[2,7-(9,9-dihexylfluorene)]-block- Poly(methylmethacrylate)¡¨, Macromol. Rapid Commun., 29, 1711-1715 (2008). (Feature on issue cover)
40. C. H. Lin, Y. C. Tung, J. Ruokolainen, R. Mezzenga,* and W. C. Chen,* ¡§Poly[2,7-(9,9-dihexylfluorene)]-block -Poly(2-vinylpyridine) Rod-Coil and Coil-Rod-Coil Block Copolymers: Synthesis, Morphology and Photophysical Properties in Methanol/THF Mixed Solvents¡¨, Macromolecules, 41, 8759-8769 (2008).
41. W. C. Wu, Y. Tian, C. Y. Chen, C. S. Lee, Y. J. Sheng, W. C. Chen,* and Alex K.-Y. Jen,* ¡¨Theoretical and Experimental Studies on the Surface Structures of Conjugated Rod-Coil Block Copolymer Brushes¡¨, Langmuir, 23, 2805-2814(2007).
42. C. C. Yang, Y. Tian, C. Y. Chen, Alex K.-Y. Jen* and W. C. Chen*, ¡§enzoxazole-containing Poly(N-isopropylacrylamide) Copolymer as Multifunctional Sensing Materials¡¨, Macromol. Rapid Commun. 28, 894-899(2007).
43. C. C. Kuo, C. H. Lin, and W. C. Chen *, ¡§Morphology and Photophysical Properties of Light-Emitting Electrospun Nanofibers Prepared From Poly(fluorene) Derivative/PMMA Blends¡¨, Macromolecules, 40, 6959-6966 (2007). (Highlighted by ¡§Heart Cut¡§of ACS, Sept. 10, 2007)
44. Y. C. Tung, W. C. Wu, and W. C. Chen,* ¡§Morphological Transformation and Photophysical Proeprties of Rod-Coil Poly[2,7-(9,9-dihexylfluorene)]-block-poly(acrylic acid) (PF-b-PAA) in Solution¡¨, Macromol. Rapid Commun., 27, 1838-1844 (2006).
45. W. C. Wu, C. L. Liu, and W. C. Chen,* ¡§Synthesis and Characterization of New Fluorene-Acceptor Alternating and Random Copolymers for Light-Emitting Applications¡¨, Polymer, 47, 527-538(2006).
46. W. C. Wu, W. Y. Lee, and W. C. Chen*, ¡§New Fluorene-Acceptor Random Copolymers: Toward Pure
    White Light Emission from a Single Polymer¡¨, Macromol. Chem. Phys., 207, 1131-1138 (2006) (feature on issue cover page )
47. C. C. Yang, Y. Tian, Alex K.-Y. Jen,* and W. C. Chen,* ¡§New Environmental-Responsive Fluorescent NIPAA Copolymer and Its Application on DNA Sensing¡¨, J. Polym. Sci. Polym. Chem., 44, 5495-5504 (2006).
48. Fu-Chuan Tsai, Chao-Ching Chang, Cheng-Liang Liu, Wen-Chang Chen,* and Samson A. Jenekhe*, ¡§New Thiophene-Linked Conjugated Poly(azomethine)s: Theoretical Electronic Structure, Synthesis, and Properties¡¨, Macromolecules, 38, 1598-1966 (2005).
49. C. T. Yen, Y. W. Wang, and W. C. Chen*, ¡§Photosensitive Polyimide/Silica Hybrid Optical Materials: Synthesis, Properties, and Patterning¡¨, Polymer, 2005, 46, 6959-6967.
50. B. Nandan, C. H. Lee, H. L. Chen,* and W. C. Chen* , ¡§Molecular Architecture Effect on the Microphase Separations in Supramolecular Comb-Coil Complexes of Polystyrene-block- Poly(2-vinylpyridine) with Dodecylbenzene Sulfonic Acid: (AB)nAn Block-Arm Star Copolymer¡¨, Macromolecules, 38, 10117-10126 (2005).
51. R. D. Champion, K. C. Cheng, C. L. Pai, W. C. Chen,* and S. A. Jenekhe,* ¡§ Electronic Properties and Field Effect Transistors of Thiophene Based Donor-acceptor Conjugated Copolymers¡¨, Macromol. Rapid Commun., 26, 1835-1840 (2005). (feature on issue cover page )
52. W.-J. Lin, W. C. Chen*, W. C. Wu, Y.-H. Niu, and A. K. Y. Jen , ¡§ Synthesis and?? Properties of Star-like Polyfluorenes with a Silsesquioxane Core¡§, Macromolecules, 37, 2335-2341 (2004).
53. Y. Y. Yen, C.-Y. Chen, and W. C. Chen,* ¡§Synthesis and Characterization of Organic-inorganic Hybrid Thin Films Form Poly(acrylic) and monodispersed Colloidal Silica¡¨ Polymer, 593-601 (2003).
54. C. C. Chang, and W. C. Chen*, ¡§ Synthesis and Optical properties of Polyimide-Silica Hybrid Thin Films¡¨, Chem. Mater. 14, 4242-4248 (2002).
55. L. H. Lee, and W. C. Chen,* ¡§ High Refractive Index Thin Films Prepared From Trialkoxysilane-capped Poly(methyl methacrylate)-Titania Hybrid Materials¡¨, Chem. Mater., 13, 1137-1142 (2001).

¡½Invited Presentation in an International Conferences

1. ¡½Conferences Papers

   1. B. T. Liu, W. C. Chen, and J. P. Hsu, ¡§Gradient-Index Polymer Optical Fibers Prepared from a Co-extrusion Process: Mathematical Modeling and Applications¡¨, Proc. of Asian Plastics Technical Conference, Taipei, p.155-160, Oct. 7-8, 1997. (Invited Speech)
   2. W. C. Chen, Y. Chang, and M. S. Wei, ¡§ Theoretical Analysis on The Preparation of Gradient-index Polymer Optical Fibers¡¨, 2000 POF Conference,Cambridge, USA, September 5-8, 2000. (invited speech)
   3. C. C. Chang, and W. C. Chen, ¡§Synthesis and Optical Properties of Polyimide-Silica Hybrid Materials¡¨, Second International Symposium on Polyimides and Other High Temperature Polymers, Newark, USA, Dec. 3-6, 2001. (invited speech)
   4. W. C. Chen and Long-Hua Lee, ¡§Polymer-Titania Thin Films For Optical Waveguides¡¨, ACS National meeting , April 7-11, 2002, Orlando, USA. (invited speech)
   5. W. C. Liu and W. C. Chen, ¡§Synthesis and characterization of Low Dielectric constant Nanoporous Silica from Hydrogen Silsesquioxane Oligomers¡¨, 19th internaltional VLSI Multilevel Interconnection conference", Singapore, Nov. 18-20, 2002. (invited speech)
   6. Wen-Chang Chen, (2003), ¡§Preparation and Characterization of Low Dielectric Constant Nanoporous Poly(silsesquioxane) Films by the Templating of Amphiphilic Block Copolymers, PS-b-P2VP¡¨, Japan-Taiwan Symposium on Nanoscience and Nanotechonology, Osaka, Japan, October 27-31, 2003. (invited speech)
   7. C. H. Lee, B. Nandan, H. L. Chen, and W. C. Chen, ¡§Nanostructured Materials Derived from Various Molecular Architectures of Poly(styrene)-block- Poly(2-vinylpyridine)¡¨ IUPAC Macro 2006, Rio de Janeiro, Brazil, July 15-20, 2006. (invited speech)
   8. W. C. Chen, (2006),¡§ Donor-Acceptor Conjugated Polymer Systems: Theoretical Electronic Structures, Synthesis, and Device Applications¡¨, 2006 Taiwan-China Cross-Strait Symposium, DunHuang, August 27-30. (Invited Speech).
   9. W. C. Wu, Y. Tian, C. Y. Chen, C. S. Lee, Y. J. Sheng, W. C. Chen,* and Alex K.-Y. Jen,* ¡¨Theoretical and Experimental Studies on the Surface Structures of Conjugated Rod-Coil Block Copolymer Brushes¡¨, 2007 ACS Spring National Meeting, Chicago, March 25-29. (Invited Speech).
   10. W. C., C. S. Lee,Y. J. Sheng, and W. C. Chen,¡¨ Molecular Architecture Effects on the Morphologies and Photophysical Properties of Rod-Coil Copolymer Brushes¡¨, International Symposium on Advanced Materials and Nano-materials with Precisely Designed Architectures, Sapporo, Japan Oct.4-6, 2007 ( Plenary Lecture).
   11. W. C. Chen, ¡§Rod-Coil Block Copolymers: Interplay between Morphology and Photophysical Properties¡¨,New Trend in Asian Polymer Science and Technology , Jeju, S. Korea, Nov. 21-23, 2007¡C(Invited Speech)
   12. Chi-Ching Kuo, Chen-Ting Wang, and Wen-Chang Chen, ¡§Photophysics and Sensory Applications of Electrospun Semiconducting Polymer Nanofibers¡¨, IUPAC Macro 2008, Taipei, June 29~July 4, 2008. (Invited Speech)
   13. Chia-Hung Lin, Yi-Chih Tung, Janne Ruokolainen, Raffaele Mezzenga, and Wen-Chang Chen, ¡§Poly[2,7-(9,9-dihexylfluorene)]-block -Poly(2-vinylpyridine) Rod-Coil and Coil-Rod-Coil Block Copolymers : Synthesis, Solution Morphology and Photophysical properties¡¨, 2nd Japan-Korea Joint Seminar 2008 and International Symposium: Synthesis and Application of Advanced Functional Materials, Tokyo, Nov. 4-6 (2008)¡C( Plenary Lecture)