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Prof. Yao-Yi Cheng













Dr. Yao-Yi Cheng

Research Laboratory

Polymer Materials Laboratory

Educational Background

(MIT) Massachusetts Institute of Technology , Materials, Ph. D.


Tsing Hua University, Chemical Engineering, B.S.


Molecular Science Building, 2nd floor 

Tel.: +886-2-27712171 ext. 2433

Research Laboratory

Molecular Science Building, 3th floor, Polymer Materials Laboratory

Tel: +886-2-27712171 ext. 2434

E mail




1.          Professor, Department of Molecular Science and Engineering, National Taipei University of Technology


2.          Research assistant Manager, TSMC, Taiwan


Research Specialty


1.          Polymer materials

2.          Polymer physics

3.          Low-k dielectric  


Research Interest


1.          Polymer nanocompsites

2.          Polymer microneedle 



1.                   Y.-Y. Cheng*, H.-M. Hsiao, Z.-X. Li,1 M.-J. Ho, M.-F. Hsu, S.-J. Hsiang, “Synthesis and characterization of polyimide/modified mCOC composites”, Journal of Applied Polymer Science, (2016) in press. (SCI)

2.                   H.-H. Ko, and Y.-Y. Cheng*, “Modified Graphene Sheets/Polyimide Composites Prepared Using In-Situ Polymerization”, Nanoscience and Nanotechnology Letters, 7, 2015, 537- 545. (SCI)

3.                   H.-H. Ko, Y.-Y. Cheng* and C.-A. Dai, “Silane Modified MWNT/Polyimide Composites Prepared Using In-Situ Polymerization”, Nanoscience and Nanotechnology Letters, 6, 2014, 190- 196. (SCI)

4.                   Y.-Y. Cheng*, H.-H. Ko and C.-W. Wang, “Study of Surfactant Modified MWNT/Polyimide Composites by In-Situ Polymerization”, Nanoscience and Nanotechnology Letters, 5, 2013, 1- 7. (SCI)

5.                   Y.-Y. Cheng*, S.-C. Chou and J.-H. Huang, “Preparation and Characterization of Polyimide/Silane Coupling Agent Modified Multiwall Carbon Nanotubes Composites”, Journal of Applied Polymer Science, 124, 2012, 1137- 1143.

6.                   S.-C. Chou and Y.-Y. Cheng*, “Comparison of Polyimide Composites with Non-covalent Modified and Acid Modified Multi-wall Carbon Nanotube”, Polymers & Polymer Composites, 20(4), 2012, 253.

7.                   W.-C. Chang, Y.-Y. Cheng, W.-C. Yu*, Y.-C. Yao, C.-H. Lee and H.-H. Ko, “Enhancing Performance of ZnO Dye-sensitized Solar Cells by Incorporation of Multiwalled Carbon Nanotubes”, Nanoscale Research Letters, 7, 2012, 166.

8.                   S.-C. Chou, Y.-Y. Cheng* and C.-A. Dai, Synthesis and Characterization of Polyimide/Silica Nanocomposites with Coupling Agent”, Polymers & Polymer Composites, 19(1), 2011, 21-28.

9.                   S.-W. Lin and Y.-Y. Cheng*, “Miscibility and Mechanical Properties of Melt-mixed Poly(lactic acid)/ Poly(trimethylene terephthalate)/ (Methyl Methacrylate)-Butadiene-Styrene Copolymer Blends”, Journal of Vinyl & Additive Technology, 17, 2011, 70-76.

10.                Y.-Y. Cheng*, S.-C. Chou and J.-A. Chang, “Development of Flexible Piezoelectric Nanogenerator: Toward All Wet Chemical Method”, Microelectronic Engineering, 88, 2011, 3015-3019.

11.                C.-J. Chang, Y.-L. Yang, Y.-P. Lee, C.-J. Chiang,C.-A. Dai*, J.-C. Chen,Y.-Y. Cheng, C.-C. Chen, M.-W. Liu, W.-P. Shih and J.-Y. Yen, “Bionic soft crystalline lens materials for MEMs applications basedon self-assembling amphiphilic block copolymer/nanoparticle hybrids”, Microelectronic Engineering, 88, 2011, 1737- 1741.

12.                C.-J. Chang, Y.-H. Lee,C.-A. Dai*, C.-C. Hsiao, S.-H. Chen, N. P. D. Nurmalasari, J.-C. Chen,Y.-Y. Cheng, W.-P. Shihand P.-Z. Chang, “A large area bimaterial sheet of piezoelectric nanogenerators for energy harvesting:Effect of RF sputtering on ZnOnanorod”, Microelectronic Engineering, 88, 2011, 2236- 2241.

13.                Y.-Y. Cheng*, Y.-Y. Yen, P.-H. Kao, N Lu and H.-T. Wang, “Preparation and Properties of Chloroprene Rubber (CR)/Clay Nanocomposites”, Polymers & Polymer Composite,18(1), 2010,17- 21.

14.                K.- L. Wu, S.-C. Chou and Y.-Y. Cheng*, “Comparison of polyimide/multiwalled carbon nanotube (MWNT) nanocomposites by in situ polymerization and blending”,Journal of Applied Polymer Science,116, 2010,3111- 3117

15.                S.-W. Lin and Y.-Y. Cheng*, “Miscibility, Thermal and Mechanical Properties of Melt-Mixed Poly(Lactic Acid)/Poly(Trimethylene Terephthalate) Blends”, Polymer-Plastics Technology and Engineering, 49, 2010,1001-1009.

16.                C.-J. Chang, Y.-H. Lee, C.-J. Chiang, Y.-P. Lee, H.-C. Chien, W.-P. Shih, Y.-Y. Cheng, C.-A. Dai*and C.-H. Chang, Strength of Polymer Phase Boundaries with Large Interfacial Width: Effects of Interfacial Profile and Phase Separation Morphology”, Journal of Polymer Science: Part B: Polymer Physics, 48, 2010, 1834-1846.

17.                S.-W. Lin and Y.-Y. Cheng*, “Miscibility, Mechanical and Thermal Properties of Melt-Mixed Poly(trimethylene terephthalate)/Polypropylene Blends”, Polymer-Plastics Technology and Engineering , 48, 2009, 827-833.

18.                N Lu*, S.-C. Chen, Y.-C. Lin, Y.-Y. Cheng and L.-K. Liu, “High Fluorine Content Bis(fluoro-ponytailed) Bipyridine Palladium Complexes as Catalyst for Mizoroki-Heck Reactions under Fluorous Biphasic Catalysis Conditions”, Journal of the Chinese Chemical Society, 55, 2008, 89-96.

19.                C.-A. Dai*, C.-P. Liu, Y.-H. Lee, C.-J. Chang, C.-Y. Chao and Y.-Y. Cheng, “Fabrication of novel proton exchange membranes for DMFC via UV curing”, Journal of Power Sources , 13, 2008, 265-271.

20.                Y.-Y. Cheng* and Chuang, K. C., “Preparation and Characterization of Polyimide -silica Nanocomposites by Sol-gel process”, Solid State Phenomena, 111, 2006, 111.

21.                Y.-Y. Cheng*; Chang, C. J.; Chang, C. C.; Peng, K. M. and Dai, C. A., “Preparation and Characterization of Porous Hydrogen Silsesquioxane by Sol-gel Process”, Solid State Phenomena, 111, 2006, 115.

22.                Dai, C. A.; Tsui, T. A. and Y.-Y. Cheng, “Adhesion of PET/PSMA Interfaces Reinforced With Plasma Treatment”, Surface Review and Letters, 13, 2006, 265.

23.                Y.-Y. Cheng* and Hsueh, Y. L., “Crystallization and Properties of Poly(ethylene 2,6-naphthalate)/Poly(trimethylene terephthalate) Blends”, Textile Research Journal, 75(2), 2005, 144.

24.                Chang, C. J.; Y.-Y. Cheng*; Wang, M. H. and Tuan C. S., “Miscibility Effect on the Energy Transfer Induced Luminescence Enhancement of Polyimide/PVK Blends”, Thin Solid Films, 477, 2005, 14.

25.                Rwei, S. P.; Chen, T. Y. and Y.-Y. Cheng* “Sol-gel Transition of Chitosan Solutions”, J. Biomater. Sci.-Polym. Ed., 16, 2005, 1433.

26.                Y.-Y. Cheng*; Kan, J. Y. and Lin, Y. S., “Adhesion Studies of Low-k Silsesquioxane”, Thin Solid Films, 462-463, 2004, 297. (SCI)

27.                Y.-Y. Cheng* ; Jang , S.M. ; Yu , C.H. and Liang M.S."Ultra-low Dielectric Constant Low Density Material (k=2.2) for Cu Damascene", International Interconnect Technology Conference(2000)

28.                 Y.-Y. Cheng* ; Jang , S.M. ; Yu , C.H. and Liang M.S.,"Comparison of Hydrogen Silses- quioxane (HSQ) Cured by Furnace and Rapid Thermal Processes", VLSI Multievel Interconnection Conference(1999)

29.                Y.-Y. Cheng*. ; Jang , S.M. ; Yu , C.H.; Sun , S.C. and Liang M.S., "A high Performance and Reliable Low-K Inter-metal Dielectric Using Hydrogen Silsesquioxane(HSQ)", International Inter- connect Technology Conference(1999)

30.                Y.-Y. Cheng* ; Jang , S.M. ; Yu , C.H. and Sun , S.C. ,"Comparrison of Siloxane and low-K Methylsilsesquinoxane as Inter-metal Dielectric", VLSI Multievel Interconnection Conference(1998)

31.                Y.-Y. Cheng* ; Cebe , P. ;Capel , M. ; Schreuder-Gibson , H. ; Bluhm, A.; Stapler , J. and Yeomans , W.,"X-ray Scattering and Thermal Characterization of Dimethyl Stilbene Polycarbonates ", Mol. Crys. Liq. Cryst. 287, 183(1996)

32.                Y.-Y. Cheng* ; Brillhart , M. ; Cebe , P. and Capel , M.,"X-ray Scattering and Thermal Analysis Study of the Effects of Molecular Weight on Phase Structure in Blends of Poly(butylene terephthalate) with Polycarbonate", J. Polm. Sci. Polm. Phys. Edn.34, 2953(1996)

33.                Y.-Y. Cheng* ; Cebe , P ;Capel , M. ; Schreuder-Gibson , H. Bluhm , A. and Yeomans , W." Development of Lamellar Structure in Liquid Crystalline Polycarbonates Based on Methyl-Stibene Mesogen and Methylene-Containing Flexible Spacer", J. Polym. Sci. Phys. Edn. 33, 2331(1995)

34.                Y.-Y. Cheng* ; Brillhat, M. ; Schrecuder-Gibson , H.; Bluhm , A. and Yeomans ,W ;"Wide-Angle X-ray Scattering Study of Liquid Crystalline Polycarbonates Based on Methyl-Stibene Mesogen and Methylene-Containing Flexible Spacer", Mol.Crys. Liq. Crys. 270,61(1995)

35.                Y.-Y. Cheng*; Cebe, P. ; Schreuder-Gibson , H. ; Bluhm, A. and Yeomans,W.;"Crystallization of Monotropic Liquid Crystalline. Polycarbonates Based on Methyl-Stibene Mesogen and Methylene- Containing Flexible Spacer", Macromolecules 27,5440(1994)



1.       “Modification of adhesion layer for flexible printed circuit board”, 2015-1016.

2.       Synthesis of antioxidative conductive copper inks with superior adhesion”, 2015.

3.        Fabrication of carbohydrate microneedle array”, National Science Council 2012-2014.