Jr-Jeng RuanProfessor
- Phone： (06) 275-7575 ext. 62953
- E-mail：jrjeng@mail.ncku.edu.tw
- Research Expertise： Phase behavior, organization of organic molecules, and polymer physics
Organic optoelectronic materials
Green energy materials
Liquid crystalline materials
Epitaxial crystallization and organic/inorganic hybrid composites
Wide angle X-ray diffraction and small-angle scattering - Education：Ph.D. of Polymer Science, The University of Akron, Akron,USA.
- Experience：亞克朗大學高分子科學系博士(美國)
國立中山大學材料科學研究所碩士(中華民國)
國立清華大學化學系學士(中華民國) 
Journal Articles
- Wei-Chih Cheng;Chun-Yen Yang;Bo-Yan Kang;Ming-Yu Kuo;Jrjeng Ruan,"Impact of undercooling on epitaxially oriented liquid crystalline organizations of poly(3-hexylthiophene) below the eutectic temperature",Soft Matter;(SCI2013)[link]
- Kuan-Lin Tseng;Jrjeng Ruan;Yi-Kang Lan;Wei-Ze Wang;An-Chung Su,"Sequential Epitaxial Organization of Poly(9,9-di",Macromolecules;(SCI & EI2013)[link]
- Ren-You Tsai;Yi-Fang Huang;Ming-Yu Kuo;Chia-Cheng Tai;Shing-Tza Liou;Jrjeng Ruan,"Impact of Smectic Fluidity on the Development of Continuous Packing during Polymorphous Behavior of Alkyl-Substituted Terthiophene Derivative",Cryst. Growth Des.;(SCI2013)[link]
- Li-Cheng Jheng;Chun-Yen Yang;Ming-Tsong Leu;Keng-Hao Hsu;Jyh-Horng Wu;Jrjeng Ruan;Kuo-Chen Shih,"Novel impacts of glycol-modified poly(ethylene terephthalate)(PETG) to crystallization behavior of polyethylene naphthalate (PEN) within stretched miscible blends",Polymer;(SCI2012)[link]
- Ching-Feng Yang;Yi-Fang Huang;Jrjeng Ruan;An-Chung Su,"Extensive Development of Precursory Helical Pairs Prior to Formation of Trigonal βc Crystals in Racemic Polylactide Melt Mixture",Macromolecules;(SCI & EI2012)[link]
- Feng-Der Wang;Jrjeng Ruan;Yi-Fang Huang;An-Chung Su,"Stem Tilt in the Contact Plane of Epitaxially Grown Polylactide Lamellae and Its Direct Correlation with Lamellar Bending",Macromolecules;(SCI & EI2011)[link]
- Yi-Fang Huang;Yan-Wei Chian;Jrjeng Ruan;Shi Jin;Kwang-Un Jeong;Horng-Yi Tang;An-Chung Su,"Organization of Layer-type Supramolecular Nanostructures of a Combined Liquid-Crystalline Homopolymer toward Lattice Packing",Polymer;(SCI2011)[link]
- Feng-Der Wang;Jrjeng Ruan;Yi-Fang Huang;An-Chung Su,"Stem Tilt in the Contact Plane of Epitaxially Grown Polylactide Lamellae and Its Direct Correlation with Lamellar Bending",Macromolecules;(SCI & EI2011)[link]
- Jrjeng Ruan;Hsing-Yuan Huang;Yi-Fang Huang;Chian Lin;Annette Thierry;Bernard Lotz;An-Chung Su,"Thickening-induced Faceting Habit Change in Solution grown Poly(L-lactic acid) Crystals",Macromolecules;(SCI & EI2010)[link]
- Yi-Fang Huang;Hsiang-Lun Kao;Jrjeng Ruan;An-Chung Su,"Effects of Solution Status on Single-Crystal Growth Habit of Poly(L-lactide)",Macromolecules;(SCI & EI2010)[link]
- B. Lotz;Jrjeng Ruan*;A. Thierry;G. C. Alfonso;A. Hiltner;E. Baer;E. Piorkowska;A. Galeski,"A Structure of Copolymers of Propene and Hexene Isomorphous to Isotactic Poly(1-butene) Form I",Macromolecules; Macromoleculesvol : 39, no : , pp : 5777- 5781(SCI2006)[link]
- Jrjeng Ruan*;Annette Thierry;Bernard Lotz,"A Low Symmetry Structure of Isotactic Poly(4-methyl-pentene-1), Form II. An Illustration of the Impact of Chain Folding on Polymer Crystal Structure and Unit-Cell Symmetry",Polymer; Polymervol : 47, no : , pp : 5478- 5493(SCI2006)[link]
- Ping Huang;Ya Guo;Roderic Quirk;Jrjeng Ruan*;Bernard Lotz;Edwin L. Thomas;Benjamin S. Hsiao;Carlos A. Avila-Orta;Igors Sics;Stephen Z. D. Cheng,"Comparison of poly(ethylene oxide) crystal orientations and crystallization behaviors in nano-confined cylinders constructed by a poly (ethylene oxide)-b-polystyrene diblock copolymer and a blend of poly(ethylene oxide)-b-polystyrene and polystyrene",Polymer; Polymervol : 47, no : , pp : 5457- 5466(SCI2006)[link]
- Jrjeng Ruan*;Shi Jin;Jason J. Ge;Kwang-Un Jeong;M.J. Graham;Dong Zhang;Frank W. Harris;Bernard Lotz;Stephen Z. D. Cheng,"Side Chain Length Dependence on Supra-Molecular Structures in a Series of Aromatic Polyimides Having Terminal 4-Cyanobiphenyl Liquid Crystalline Side Chains",Polymer; Polymervol : 47, no : , pp : 4182- 4193(SCI2006)[link]
- Raluca. I. Gearba;Nicolas Dubreuil;Denis V. Anokhin;Bernard Lotz;Yuli K. Godovsky;Jrjeng Ruan*;Dimitri A. Ivanov,"Role of Columnar Mesophase in the Morphological Evolution of Polymer Single Crystals on Heating: a Combined Atomic Force Microscopy and Electron Diffraction Study",Macromolecules; Macromoleculesvol : 39, no : , pp : 978- 987(SCI2006)[link]
- Danier Alc,"Structural Matching between the Polymeric Nucleating Agent Isotactic Poly(vinylcyclohexane) and Isotactic Polypropylene",Macromolecules; Macromoleculesvol : 39, no : , pp : 2832- 2840(SCI2006)[link]
- Jrjeng Ruan*;Annette Thierry;Bernard Lotz,"An Unusual Branching in Single Crystals of Isotactic Poly(4-methyl-1-pentene)",Polymer; Polymervol : 47, no : , pp : 836- 840(SCI2006)[link]
- Danier Alc,"Polysynthetic Twinning in Polyvinylcyclohexane Single Crystals and “Fractional” Primary Nucleation in Polymer Crystal Growth",Macromolecules; Macromoleculesvol : 39, no : , pp : 1008- 1019(SCI2006)[link]
Conference Proceedings
- Jrjeng Ruan*,"Ordering Evolution of Segregated Layer Stacking in a Series of Side-Chain Liquid Crystalline Aromatic Polyimides Connected with Cyanobiphenyl Side Groups",IUPAC World polymer congress;(2008)[link]
- Jrjeng Ruan*,"An Ordering Evolution of Segregated Layer Stacking in a Series of Side-Chain Liquid Crystalline Aromatic Polyimides Connected with Cyanobiphenyl Side Groups",高分子聯合會議;(2007)[link]
- Jrjeng Ruan*,"The Influence of Chiral Melt on the Crystallization Behavior of poly(4-methyl -hexene-1)",高分子聯合會議;(2006)[link]
- Jrjeng Ruan*,"Influence of Preexistence Ordered Packing on Further Crystallization Behavior",高分子物理年會;(2006)[link]