About NSRRC / Staff Directory

Scientific Research Division

Name: 鄭有舜( U-Ser Jeng )
EXT.: 7108
E-mail: usjeng@nsrrc.org.tw
  • BS(Physics), Suchow University (1985)
  • MS(Physics), National Tsing Hua University (1987)
  • PhD(Physics), U. Rhode Island, USA (1996)
  • Postdoctoral researcher, National Tsing-Hua University (1997).
  • NSRRC Assistant researcher (2003).
  • NSRRC Associate researcher (2005).
  • NSRRC Researcher (2010~)
  • Adjunct Professor, Department of Chemical Engineering, National Tsing-Hua University (2012/08~).
  • Proposal Review committee of the Physics discipline of MoST (2014-2016)
  • IUCr SAS Commission Chair (2016-2020)
  • Co-editor of J. Synchrotron Radiation, (since 2019, July~)
  • Scientific research division head of NSRRC (2020, July~)
  • TPS13A BioSAXS beamline
  • TLS 23A SAXS/WAXS beamline
Research Interests:
  • X-ray and Neutron scattering applications / small- and wide-angle X-rays scattering instrumentation
  • Solution structures of biological macromolecules and hierarchical structures of self-assembly and biotextures
  • Nanostructures and crystallization of polymers and photovoltaic thin films
Selected Publications: 1998-2004
  • U. Jeng, L. Esibov, L. Crow, S. S. Malik, and A. Steyerl: "Viscosity Effect on Capillary Waves at Liquid Interfaces", Journal of Physics: Condense Matter, 10 (1998) 4955.
  • U-Ser Jeng, Cheng-Si Tsao, Chih-Hao Lee, Tsang-Lang Lin, Lee Y. Wang, Long Y. Chiang, and Charles C. Han:: "Study of Aggregates of Fullerene-Based Ionomers in Aqueous Solutions Using Small Angle Neutron and X-ray Scattering, I", J. Phys. Chem. B, 103 (1999) 1059.
  • U-Ser Jeng, W.-J. Liu, Tsang-Lang Lin, Lee Y. Wang, and Long Y. Chiang, “Fractal Structure Formed by the Nanoparticles – Polyhydroxylated Fullerenes in Water Solutions", Fullerene Sci. Technol. 7(4) (1999) 599.
  • U. Jeng, T.-L. Lin, Y. Hu, T.-S. Chang, T. Canteenwala, L. Y. Chiang, and H. Frielinghaus, " Study on Aqueous Mixtures of Fullerene-based Star Ionomers and Sodium Dodecyl Sulfate Using Small Angle Scattering with Contrast Variation", J. Physical Chemistry A, 106 (2002) 12209.
  • U. Jeng, T.-L. Lin, K. Shin, C.-H. Hsu, H.-Y. Lee, M.H. Wu, Z.A. Chi, M.C. Shih, and L.Y. Chiang, "Lipophilic-C60-derivative induced structural changes in phospholipid layers", Physica B, 336 (2003) 204-210.
  • U-Ser Jeng, Ya-Sen Sun, Hsin-Yi Lee, Chia-Hung Hsu, and Keng S. Liang, Siao-Wei Yeh and Kung-Hwa Wei, ” Binding effect of surface-modified cadmium sulfide on the microstructure of PS-b-PEO block copolymers”, Macromolecules 2004, 37, 4617-4622.
  • T.-L. Lin, U. Jeng,* C.-S. Tsao, W.-J. Liu, T. Canteenwala, and L. Y. Chiang, " Effect of Arm Length on the Aggregation Structure of Fullerene-based Star Ionomers", J. Phys. Chem. B, 2004, 108, 14884-14888
  • Y. H. Lai, Y. S. Sun, U. Jeng,* Y. F. Song, K. L. Tsang, and K. S. Liang," A New Small Angle X-ray Scattering Station at NSRRC", corresponding author, Nucl. Inst. Meth. Phys. Res. B, 238, 205-213, 2005.
  • U-Ser Jeng,* Chia-Hung Hsu, Hwo-Shuenn Sheu, Hsin-Yi Lee, Anto Regis Inigo, Hsiang-Chih Chiu, Wunshain Fann,* S. H. Chen, An-Chung Su, Tsang-Lang Lin, Kang-Yung Peng, Show-An Chen, and, "Morphology and Charge Transport in MEH-PPV Films", Macromolecules, 38, 6566-6574 (2005).
  • Ya-Sen. Sun, U-Ser. Jeng,* Keng S. Liang, Siao-Wei Yeh, and Kung-Hwa Wei, “Transitions of Domain Ordering and Domain Size in a Spherical-Forming Polystyrene-block-Poly (ethylene oxide) Copolymer and Its Composites with Colloidal Cadmium Sulfide Quantum Dots”, Polymer, 47, 1101, 2006.
  • Yu-Shan Huang, U-Ser Jeng,* Chia-Hung Hsu, Naoya Torikai, Hsin-Yi Li, Kwanwoo Shin, Masahiro Hino,"Complementary neutron and X-ray reflectivity for structural characterization of porous thin films", Physica B 385–386 (2006) 667–669.
  • Ya-Sen Sun, U-Ser Jeng,* Yu-San Huang, Keng. S. Liang, Tsang-Lang Lin, Cheng-Si Tsao, " Complementary SAXS and SANS for structural characteristics of a polyurethethane elastomer of low hard segment content " , Physica B 385–386 (2006) 650–652.
  • Y. H. Lai, Y. S. Sun, U. Jeng,* J. M. Lin, T. L. Lin, H. S. Sheu, W. T. Chuang, Y. S. Huang, C. H. Hsu, M. T. Lee, H. Y. Lee, K. S. Liang, A. Gabriel, Michel H. J. Koch, “An instrument for time resolved and anomalous simultaneous small and wide angle X-ray scattering (SWAXS) at the NSRRC”, Journal of Applied Crystallography, 39, 871-877 (2006).
  • U-Ser Jeng,* Tsang-Lang Lin, Kwanwoo Shin, Zhau-Ann Chi, Ming Chih Shih, Hsin-Yi Lee, C.-H. Hsu, Naoya Torikai, and Long Y. Chiang," Neutron and X-Ray Scattering on the Monolayer Structure of a Lecithin Fullerene-Derivative" J. Nanoscience and Nanotechnology, Vol. 7, 1406–1413, 2007.
  • U-Ser Jeng,* Ying-Huang Lai, Hwo-Shuenn Sheu, Jyh-Fu Lee, Yu-Li Tai, Din-Goa Liu, Ya-Sen Sun, and Yu-Shan Huang," Anomalous small- and wide-angle X-ray scattering and X-ray absorption spectroscopy for Pt and Pt-Ru nanoparticles", J. Appl. Cryst. (2007). 40, s418–s422.
  • Jhih-Min Lin, Tsang-Lang Lin,* U-Ser Jeng,* Yu-Jen Zhong, Chuin-Tih Yeh, Tsan-Yao Chen, "Fractal aggregates of the Pt nanoparticles synthesized by the polyol process and poly(N-vinyl-2-pyrrolidone) reduction", J. Appl. Cryst. (2007). 40, s540–s543.
  • Yu-Shan Huang,* U-Ser Jeng,* Ying-Jen Shiu, Ying-Huang Lai, and Ya-Sen Sun, Charge interaction and temperature effects on the solution structure of lysozyme as revealed by small-angle X-ray scattering. J. Appl. Cryst. 40, s165-s169 (2007).
  • Yi-Fang Huang, Anto R. Inigo, Chia-Chen Chang, Kang-Chuang Li, Chiao-Fan Liang, Chan-Wei Chang, Tsong-Shin Lim, Su-Hua Chen,* Jonathon David White,* U-Ser Jeng,* An-Chung Su,* Ying-Sheng Huang, Kang-Yung Peng, Show-An Chen, Woei-Wu Pai,* Chen-Hong Lin, Alexey R. Tameev, Sergey V. Novikov, Anatoly V. Vannikov, and Wun-Shain Fann*, " Nanostructure-dependent Vertical Charge Transport in MEH-PPV Films, Adv. Funct. Mater. 2007, 17, 2902–2910.
  • I-Jui Hsu, Ying-Jen Shiu, U-Ser Jeng,* Tung-Ho Chen, Yu-Shan Huang, Ying-Huang Lai, Ling-Na Tsai, Ling-Yun Jang, Jyh-Fu Lee, Li-Jiaun Lin, Sheng-Hsien Lin, Yu Wang," A Solution Study on the Local and Global Structure Changes of Cytochrome c – an Unfolding Process Induced by Urea", J. Physical Chemistry A., 111, 9286-9290, 2007.
  • Hwo-Shuenn Sheu,* U-Ser Jeng,* Wei-Ju Shih, Ying-Huang Lai, and Chiu-Hun Su, Chih-Wei Lai, Meng-Ju Yang, Yu-Chun Chen, and Pi-Tai Chou*, " Phase Separation Inside the CdTe-CdSe Type II Quantum Dots Revealed by Synchrotron X-ray Diffraction and Scattering", J. Phys. Chem. C 2008, 112, 9617–9622.
  • Ying-Jen Shiu, U-Ser Jeng*, Yu-Shan Huang, Ying-Huang Lai, Hsiu-Feng Lu, Chia-Tsen Liang, I-Jui Hsu, Chiu-Hun Su, Charlene Su, Ito Chao, An-Chung Su, and Sheng-Hsien Lin," Global and Local Structural Changes of Cytochrome c and Lysozyme Characterized by a Multi-group Unfolding Process", Biophysical J., 2008, 94, 4828-4836.
  • C. H. Su, U. Jeng,* S. H. Chen, S. J. Lin, Y. T. Ou, W.-T. Chuang, and A. C. Su*," Structural evolution of nanograins during cold crystallization of poly(9,9-di-n-octyl-2,7-fluorene) as revealed via in-situ SAXS/WAXS/DSC", Macromolecules, 2008, 41, 7630-7636.
  • D.-G. Liu, C.-H. Chang, C.-Y. Liu, S.-H. Chang, Y.-F. Song, K.-L. Yu, K.-F. Liao, P.-C. Tseng, C.-S. Hwang, C.-Y. Huang, L.-J. Huang, H.-S. Fong, S.-C. Chung, M.-T. Tang, K.-L. Tsang, Y.-S. Huang, C.-K. Kuan, Y.-C. Liu, K. S. Liang, and U. Jeng*, " A dedicated small-angle X-ray scattering beamline with a superconducting wiggler source at the NSRRC", J. Synchrotron Rad. (2009). 16, 97–104.
  • Wei-Tsung Chuang, Hwo-Shuenn Sheu,* U-Ser Jeng,* , Hou-Hsi Wu, Po-Da Hong, and Jey-Jau Lee, "Tetragonally Perforated Layer Structure via Columnar Ordering of 4'-(3,4,5-trioctyloxybenzoyloxy)benzoic Acid in a Supramolecular Complex with Polystyrene-block-Poly(4-vinylpyridine)", Chem. Mater., 2009, 21, 975-978.
  • C. H. Su, U. Jeng,* S. H. Chen, C.-Y. Cheng, J.-J. Lee, Y.-H. Lai, W. C. Su, J. C. Tsai, and A. C. Su*, "Thermodynamic Characterization of Polymorphs in Bulk-Crystallized Syndiotactic Polystyrene via Small/Wide-Angle X-ray Scattering and Differential Scanning Calorimetry", Macromolecules 2009, 42, 4200–4207.
  • Li, M., Huang, Y.-S., Jeng, U.,* Hsu, I.-J.,* Wu, Y. S.,* Lai, Y.-H. Su, C.-H., Lee, J.-F., Wang, Y., and Chang, C.-C. "Resonant X-Ray Scattering and Absorption for the Global and Local Structures of Cu-modified Metallothioneins in Solution", (2009), Biophyiscal J., 97, 609-617.
  • C. H. Su, U. Jeng,*,? S. H. Chen, S. J. Lin, W. R. Wu, W.-T. Chuang, J. C. Tsai, and A. C. Su*, "Nanograin Evolution in Cold Crystallization of Syndiotactic Polystyrene As Illustrated via in-Situ Small/Wide-Angle X-ray Scattering and Differential Scanning Calorimetry", Macromolecules 2009, 42, 6656–6664. Selected as the cover story of the September 8(#17) 2009 issue.
  • Jhih-Min Lin, Tsang-Lang Lin,* U-Ser Jeng,* Zyun-Hua Huang, Yu-Shan Huang, "Aggregation Structure of Alzheimer Amyloid-beta(1-40) Peptide with Sodium Dodecyl Sulfate as Revealed by Small-angle X-ray and Neutron Scattering", Soft Matter, 2009, 5, 3913–3919.
  • U-Ser Jeng* C.-H. Su, C.-J. Su, K.-F. Liao, W.-T. Chuang, Y.-H. Lai, J.-W. Chang, Y.-J. Chen, Y.-S. Huang, M.-T. Lee, K.-L. Yu, J.-M. Lin, D.-G. Liu, C.-F. Chang, C.-Y. Liu, C.-H. Chang, K. S. Liang, " A small/wide-angle X-ray scattering instrument for structural characterization of air-liquid interfaces, thin films, and bulk specimens", Journal of Applied Crystallography, (2010), 43. 110-121.
  • W.-T. Chuang,* W.-B. Su, U. Jeng,* P.-D. Hong,* C.-J. Su, C.-H. Su, Y.-C. Huang, K.-F. Laio, and A.-C. Su, “Formation of Mesomorphic Domains and Subsequent Structural Evolution during Cold Crystallization of Poly(Trimethylene Terephthalate)”, Macromolecules 2011, 44 , 1140. (IF=4.837)
  • Wei-Ru Wu, U-Ser Jeng,* Chun-Jen Su,* Kung-Hwa Wei, Ming-Shin Su, Mao-Yuan Chiu, Chun-Yu Chen, Wen-Bin Su, Chiu-Hun Su, and An-Chung Su,” Competition between Fullerene Aggregation and Poly(3-hexylthiophene) Crystallization upon Annealing of Bulk Heterojunction Solar Cells”, ACS Nano, 2011, 5, 6233–6243. (IF=9.855)
  • Heng-Jui Liu, U-Ser Jeng,* Norifumi L. Yamada, An-Chung Su, Wei-Ru Wu, Chun-Jen Su, Su-Jien Lin, Kung-Hwa Wei and Mao-Yuan Chiu, ” Surface and interface porosity of polymer/fullerene-derivative thin films revealed by contrast variation of neutron and X-ray reflectivity”, Soft Matter, 2011, 7, 9276 (IF=4.52)
  • Wei-Tsung Chuang,* Yen-Chih Huang, Chun-Jen Su, U-Ser Jeng* and Hwo-Shuenn Sheu, “Successive order–order transitions of the hierarchical morphology of a dendron-jacketed block copolymer via subsequent stretching alignment and self-assembly”, Soft Matter, 2012, 8, 11163.
  • Liang, Yu-Chia; Juan, Yu-Wan; Lu, Kueih-Tzu; Jeng, U-Ser;* Chen, Shin-An; Chuang, Wei-Tsung; Su, Chun-Jen; Liu, Chin-Lung; Pao, Chin-Wen; Lee, Jyh-Fu; Sheu, Hwo-Shuenn; Chen, Jin-Ming*, “Formation Process of Mesostructured PtRu Nanoparticles Electrodeposited on a Microemulsion Lyotropic Liquid Crystalline Template, as Revealed by In-situ XRD, SAXS and XANES, J. Phys. Chem. C, 2012, 116, 26649−26655.
  • Wei-Ru Wu, Wei-Tsung Chuang, U-Ser Jeng,* Chun-Jen Su, Su-Hua Chen, Chun-Yu Chen, Chiu-Hun Su, An-Chung Su,* ” Effects of mesomorphic b nanograins on crystallization and photoexcited emission of poly(9,9-di-n-hexyl-2,7-fluorene)”, Polymer, 2012, 53, 3928-3936.
  • Chun-Jen Su, Shiuan-Shiaou Wu, U-Ser Jeng,* Ming-Tao Lee,* An-Chung Su, Kuei-Fen Liao, Wei-Yu Lin, Yu-Shan Huang, Chun-Yu Chen, “Peptide-induced bilayer thinning structure of unilamellar vesicles and the related binding behavior as revealed by X-ray scattering”, Biochimica et Biophysica Acta, 2013, 1828, 528–534.
  • Y. Özcan, S. Ide,* U. Jeng,* V. Bütün, Y.-H. Lai, C.-H. Su, “Micellization behavior of tertiary amine-methacrylate based block copolymers characterized by small-angle X-ray scattering and dynamic light scattering, “, Materials Chem. and Phys., 2013, 138, 559-564.
  • Y.-H. Lai,* S.-W. Cheng, S.-W. Chen, J.-W. Chang, C.-J. Su, A.-C. Su, H.-S. Sheu, C.-Y. Mou, U. Jeng*,” Interplay of formation kinetics for highly oriented and mesostructured silicate–surfactant films at the air–water interface”, RSC Adv., 2013, 3, 3270–3283. Bioinspired Assembly of Functional Block-copolymer Nanotemplates”, Soft Matter, 2013, 9, 9608.
  • Y.-H. Lai,* S.-W. Chen, M. Hayashi, Y.-J. Shiu, C.-C. Huang, W.-T. Chuang, C.-J. Su, H.-C. Jeng, J.-W. Chang, Y.-C. Lee, A.-C. Su, C.-Y. Mou, U-Ser Jeng*, “Mesostructured Arrays of Nanometer-spaced Gold Nanoparticles for Ultrahigh Number Density of SERS Hot Spots”, Adv. Funct. Mater. , 2014, 24 , 2544.
  • W.-T. Chuang,* T.-Y. Lo, Y.-C. Huang, C.-J. Su, U. Jeng,* H.-S. Sheu, R.-M. Ho, “"Directing the interfacial morphology of hierarchical structures of dendron-jacketed block copolymers via liquid crystalline phases", Macromolecules, 2014, 47, 6047−6054.
  • Hsien-Kai Huang, Hwo-Shuenn Sheu, Wei-Tsung Chuang, U-Ser Jeng,* An-Chung Su,* Wei-Ru Wu, Kuei-Fen Liao, Chun-Yu Chen, Shing-Yun Chang, and Hsi-Mei Lai, “Correlated changes in structure and viscosity during gelatinization and gelation of tapioca starch granules”, IUCrJ, 2014. 1, 418–428.
  • Chih-Ming Liu, Yu-Wei Su, Jian-Ming Jiang, Hsiu-Cheng Chen, Shu-Wei Lin, Chun-Jen Su, U-Ser Jeng,* and Kung-Hwa Wei,* “Complementary Solvent Additives Tune the Orientation of Polymer Lamellae, Reduce the Sizes of Aggregated Fullerene Domains, and Enhance the Performance of Bulk Heterojunction Solar Cells”, J. Material Chemistry A, 2014, 48, 20760-20769.
  • .-H. Lai,* S.-C. Kuo, Y.-C. Hsieh, Y.-C. Tai, W.-H. H.* and, U. Jeng,* Electrochemically fabricated gold dendrites with underpotential deposited silver monolayers for a bimetallic SERS-active substrate, RSC Adv., 2016,6, 13185-13192.
  • Y.-J. Shiu, M. Hayashi,* O. Shih, C. Su, M.-Y. Tsai, Y.-Q. Yeh, C.-J. Su, Y.-S. Huang, S.-H. Lin and U. Jeng,* “Intrinsic Coordination for Revealing Local Structural Changes in Protein Folding-Unfolding”, Phys. Chem. Chem. Phys., 2016, 18, 3179-3187.
  • S.-S. Li, C.-H. Chang, Y.-C. Wang, C.-W. Lin, D.-Y. Wang, J.-C. Lin, C.-C. Chen, H.-S. Sheu, H.-C. Chia, W.-R. Wu, U. Jeng*, C.-T. Liang, R. Sankar, F.-C. Choug, and C.-W. Chen*, “Intermixing-seeded growth for high-performance planar heterojunction perovskite solar cells assisted by precursor-capped nanoparticles” Energy Environ. Sci., 2016, 9, 1282.
  • H.-J. Jhuo, S.-H. Liao, Y.-L. Li, P.-N. Yeh, S.-An Chen,* W.-R. Wu, C.-J. Su, J.-J. Lee, N. L. Yamada, U. Jeng,*, “The Novel Additive 1-Naphthalenethiol Opens a New Processing Route to Efficiency-Enhanced Polymer Solar Cells” Adv. Funct. Mater. 2016, 26, 3094–3104.
  • C.-H. Su, W.-R. Wu, C.-Y. Chen, C.-J. Su, W.-T. Chuang, K.-F. Liao, S.-H. Chen, A.-C. Su, U. Jeng,*, “Nanograin nucleation at the growth front in melt crystallization of syndiotactic polystyrene”, Polymer, 2016, 105, 414-421. (Invited article)

  • Y.-Q. Yeh, K.-F. Liao, O. Shih, Y.-J. Shiu, W.-R. Wu, C.-J. Su, P.-C. Lin, U. Jeng,* Probing the Acid-Induced Packing Structure Changes of the Molten Globule Domains of a Protein near Equilibrium Unfolding, J. Phys. Chem. Lett. 2017, 8, 470−477.
  • W.-R. Wu, C.-J. Su,*, W.-T. Chuang, Y.-C. Huang, P.-W. Yang, P.-C. Lin, C.-Y. Chen, T.-Y. Yang, A.-C. Su, K.-H. Wei, C.-M. Liu, and U. Jeng*, Surface Layering and Supersaturation for Top-down Nanostructural Development during Spin-coating of Polymer/Fullerene Thin Films. Adv. Energy Mater. 2017, 1601842(11).
  • O. Shih, Y.-Q. Yeh, K.-F. Liao, T.-C. Sung, Y.-W. Chiang,* U. Jeng,* “Oligomerization process of Bcl-2 associated X protein revealed from intermediate structures in solution, , Phys. Chem. Chem. Phys., 2017, 19, 7947-7954.
  • P.-W. Yang, S. Thoka, P.-C. Lin, C.-J. Su, H.-S. Sheu, M. H. Huang,* U. Jeng*, “Tracing the Surfactant-Mediated Nucleation, Growth, and Superpacking of Gold Supercrystals using Time and Spatially Resolved X-ray Scattering”, Langmuir, 2017, DOI: 10.1021/acs.langmuir.6b04319


  • Jia-Jhen Kang, Tsung-Yu Yang, Yi-Kang Lan, Wei-Ru Wu, Chun-Jen Su, Shih-Chang Weng, Norifumi L. Yamada, An-Chung Su,* and U-Ser Jeng,* “Directed Vertical Diffusion of Photovoltaic Active Layer Components into Porous ZnO-Based Cathode Buffer Layers”, Small 2018, 14, 1704310 (IF=9.598, Times Cited=4)
  • O. Shih, Y.-Q. Yeh, K.-F. Liao, C.-J. Su, P.-H. Wu, R. K. Heenan, T.-Y. Yu,* and U. Jeng,* Membrane Charging and Swelling upon Calcium Adsorption as Revealed by Phospholipid Nanodiscs, J. Phys. Chem. Lett., 2018, 9, 4287–4293 (IF=7.328, Times Cited=2) 
  • C.-J. Su,* M.-T. Lee, K.-F. Liao, O. Shih, U. Jeng*, “Interplay of entropy and enthalpy in peptide binding to zwitterionic phospholipid membranes as revealed from membrane thinning”, Phys. Chem.Chem. Phys., 2018, 20, 26830-26836..
    Selected as back-cover Story of the issue
  • C.-Y. Lin, S.-S. Li, J.-W. Chang, H.-C. Chia, Y.-Y. Hsiao, C.-J. Su, B.-J. Lian, C.-Y. Wen, S.-K. Huang, W.-R. Wu, D.-Y. Wang, A.-C. Su, C.-W. Chen,* & U. Jeng,* “Unveiling the Nanoparticle-Seeded Catalytic Nucleation Kinetics of Perovskite Solar Cells by Time-Resolved GIXS, Advanced Functional Materials, 2019, 29, 1902582
  • Yi-Qi Yeh, Chun-Jen Su, Chen-An Wang, Ying-Chu Lai, Chih-YuanTang, Zhenyu Di, Henrich Frielinghaus, An-Chung Su, U-Ser Jeng*, Chung-Yuan Mou*, “Diatom-inspired self-assembly for silica thin sheets of perpendicular nanochannels” J. Colloid Interface Sci. 584 (2021) 647–659