80. M.-N. Su, B. Ostovar, N. Gross, J. E. Sader, W.-S. Chang*, and S. Link* “Acoustic Vibrations and Energy Dissipation Mechanisms for Lithographically Fabricated Plasmonic Nanostructures Revealed by Single-Particle Transient Extinction Spectroscopy”, J. Phys. Chem. C, 125, 1621–1636, (2021) (Corresponding Author)

79. H. Yu, P. Zhang, S. Lu, S. Yang, F. Peng, W.-S. Chang, and K. Liu, “Synthesis and Multipole Plasmon Resonances of Spherical Aluminum Nanoparticles”, J. Phys. Chem. Lett., 11, 5836, (2020)

78. L. A. McCarthy, K. W. Smith, X. Lan, S. A. Hosseini Jebeli, L. Bursi, A. Alabastri, W.-S. Chang, P. Nordlander, and S. Link, “Polarized evanescent waves reveal trochoidal dichroism”, Proc. Natl. Acad. Sci. U.S.A., 117, 16143 (2020)

77. B. Ostovar, M.-N. Su, D. Renard, B. D. Clark, P. D. Dongare, C. Dutta, N. Gross, J. E. Sader, C. F. Landes, W.-S. Chang, N. J. Halas, and S. Link, “Acoustic Vibrations of Al Nanocrystals: Size, Shape and Crystallinity Revealed by Single-Particle Transient Extinction SpectroscopyJ. Phys. Chem. A, 124, 3924 (2020)

76. C.-C. Chuang, H.-C. Chu, S.-B. Huang, W.-S. Chang*, and H.-Y. Tuan*, “Laser-induced plasmonic heating in copper nanowire fabric as a photothermal catalytic reactorChem. Eng. J. 379, 122285 (2020) (Corresponding Author)

75. S. Heiderscheit, M. J. Gallagher, R. Baiyasi, S. S. E. Collins, S. Ali Hosseini Jebeli, L. Scarabelli, A. Al-Zubeidi, C. Flatebo, W.-S. Chang, C. F. Landes, S. Link, “Nanoelectrode-emitter spectral overlap amplifies surface enhanced electrogenerated chemiluminescenceJ. Chem. Phys. 151, 144712 (2019)

74. Bhattacharjee, C. A. West, S. Ali Hosseini Jebeli, H. J. Goldwyn, X.-T. Kong, Z. Hu, E. K. Beutler, W.-S. Chang, K. A. Willets, S. Link, and D. J. Masiello, “Active Far-Field Control of the Thermal Near-Field via Plasmon HybridizationACS Nano 13, 9655 (2019)

73. Y.-X. Chang, N.-N. Zhang, Y.-C. Xing, Q. Zhang, A. Oh, H.-M. Gao, Y. Zhu, H. Baik, B. Kim, Y. Yang, W.-S. Chang, T. Sun, J. Zhang, Z.-Y. Lu, K. Lee, S. Link, and K. Liu, “Gold Nanotetrapods with Unique Topological Structure and Ultranarrow Plasmonic Band as Multifunctional Therapeutic AgentsJ. Phys. Chem. Lett. 10, 4505 (2019)

72. M.-N. Su, C. J. Ciccarino, S. Kumar, P. D. Dongare, S. A. Hosseini Jebeli, D. Renard, Y. Zhang, B. Ostovar, W.-S. Chang, P. Nordlander, N. J. Halas, R. Sundararaman, P. Narang, and S. Link, “Ultrafast Electron Dynamics in Single Aluminum Nanostructures” Nano Lett. 19, 3091 (2019)

71. Y.-Y. Cai, E. Sung, R. Zhang, L. J. Tauzin, J. G. Liu, B. Ostovar, Y. Zhang, W.-S. Chang, P. Nordlander, and S. Link, “Anti-Stokes Emission from Hot Carriers in Gold NanorodsNano Lett. 19, 1067 (2019)

70. Al-Zubeidi, B. S. Hoener, S. S. E. Collins, W. Wang, S. R. Kirchner, S. A. Hosseini Jebeli, A. Joplin, W.-S. Chang, S. Link, and . F. Landes, “Hot Holes Assist Plasmonic Nanoelectrode DissolutionNano Lett. 19, 1301 (2019)

69. W. Smith, L. A. McCarthy, A. Alabastri, L. Bursi, W.-S. Chang, P. Nordlander, and S. Link “Exploiting Evanescent Field Polarization for Giant Chiroptical Modulation from Achiral Gold Half-RingsACS Nano 12 ,11657 (2018)

68. C. Lim, W.-F. Lo, P.-Y. Yang, S.-C. Lu, A. Joplin, S. Link, W.-S. Chang*, and H.-Y. Tuan*Au@CdSe Heteroepitaxial Nanorods: An Example of Metal Nanorods Fully Covered by a Semiconductor Shell with Strong Photo-Induced Interfacial Charge Transfer EffectsJ. Colloid Interface Sci. 532, 143 (2018) (Corresponding Author)

67. R. Kirchner, M.-N. Su, J. H. Bahng, D. G. Montjoy, W.-S. Chang*, N. Kotov*, and S. Link*Scattering Properties of Individual Hedgehog Particles” J. Phys. Chem. C 122, 12015 (2018) (Corresponding Author)

66. M. N. Su, Q. Sun, K. Ueno, W.-S. Chang, H. Misawa, and S. Link Optical Characterization of Gold Nanoblock Dimers: From Capacitive Coupling to Charge Transfer Plasmons and Rod Modes” J. Phys. Chem. C 122, 18005 (2018).

65. J. Tauzin, Y. Cai, K. W. Smith, S. A. Hosseini Jebeli, U. Bhattacharjee, W.-S. Chang, and S. Link, “Exploring the Relationship between Plasmon Damping and Luminescence in Lithographically Prepared Gold Nanorods” ACS Photonics 5, 3541 (2018)

64. S. Hoener, S. R. Kirchner, T. S. Heiderscheit, S. S.E. Collins, W.-S. Chang, S. Link, and C. F. Landes Plasmonic Sensing and Control of Single-Nanoparticle Electrochemistry” Chem. 4, 1560 (2018)

63. Yi, M.-N. Su, P. D. Dongare, D. Chakraborty, Y.-Y. Cai, D. M. Marolf, R. N. Kress, B. Ostovar, L. J. Tauzin, F. Wen, W.-S. Chang, M. R. Jones, J. E. Sader, N. J. Halas, and S. Link “Polycrystallinity of Lithographically Fabricated Plasmonic Nanostructures Dominates Their Acoustic Vibrational Damping” Nano Lett. 18, 3494 (2018)

62. W. Smith, J. Yang, T. M. Hernandez, D. F. Swearer, L. Scarabelli, H. Zhang, H. Zhao, N. A. Moringo, W.-S. Chang, L. M. Liz-Marzán, E. Ringe, P. Nordlander, and S. Link, “Environmental Symmetry Breaking Promotes Plasmon Mode Splitting in Gold NanotrianglesJ. Phys. Chem. C 122, 13259 (2018)

61. Kirchner, K. W. Smith, B. S. Hoener, S. S. E. Collins, W. Wang, Y.-Y. Cai, C. Kinnear, H. Zhang, W.-S. Chang, P. Mulvaney, C. F. Landes and S. Link, “Snapshot Hyperspectral Imaging (SHI) for Revealing Irreversible and Heterogeneous Plasmonic ProcessesJ. Phys. Chem. C 122, 6865 (2018)

60. Cai, J. G. Liu, L. J Tauzin, D. Huang, E. Sung, H. Zhang, A. Joplin, W.-S. Chang, P. Nordlander, and S. Link, “Photoluminescence of Gold Nanorods: Purcell Effect Enhanced Emission from Hot Carriers” ACS Nano 12, 976 (2018)

59. Joplin, W.-S. Chang, and S. Link, “Imaging and Spectroscopy of Single Metal Nanostructure AbsorptionLangmuir 34, 3775 (2018)

58. A. Pravitasari, M. Negrito, K. Light, W.-S. Chang, S. Link, M. Sheldon, and J. D. Batteas, “Using Particle Lithography to Tailor the Architecture of Au Nanoparticle Plasmonic Nanoring ArraysJ. Phys. Chem. B 122, 730 (2018)

57. S. Hoener, H. Zhang, T. S. Heiderscheit, S. R. Kirchner, A. S. De Silva Indrasekara, R. Baiyasi, Y. Cai, P. Nordlander, S. Link*, C. F. Landes*, W.-S. Chang*, “Spectral Response of Plasmonic Gold Nanoparticles to Capacitive Charging: Morphology EffectsJ. Phys. Chem. Lett. 8, 2681 (2017) (Corresponding Author)

56. Smith, S. Link*, W.-S. Chang*, “Optical Characterization of Chiral Plasmonic NanostructuresJ. Photochem. Photobiol.C, 32, 40 (2017) (Corresponding Author)

55. M.-N. Su, P. Dongare, D. Chakraborty, Y. Zhang, C. Yi, F. Wen, W.-S. Chang, P. Nordlander, J. E. Sader, N. J. Halas, and S. Link, “Opto-mechanics of Single Aluminum NanodisksNano Lett. 17, 2575 (2017)

54. Yi, P. D. Dongare, M.-N. Su, W. Wang, D. Chakraborty, F. Wen, W.-S. Chang, J. E. Sader, P. Nordlander, N. J. Halas, and Stephan Link, “Vibrational Coupling in Plasmonic MoleculesProc. Natl. Acad. Sci. USA, 114, 11621 (2017)

53. Joplin, S. A. H. Jebeli, E. Sung, N. Diemler, P. J Straney, M. Yorulmaz, W.-S. Chang, J. E. Millstone, and S. Link, “Correlated Absorption and Scattering Spectroscopy of Individual Platinum-Decorated Gold Nanorods Reveals Strong Excitation Enhancement in the Nonplasmonic MetalACS Nano, 11, 12346 (2017)

52. S. D. S. Indrasekara, B. Shuang, F. Hollenhorst, B.S. Hoener, A. Hoggard, S. Chen, E. Villarreal, Y.-Y. Cai, L. Kisley, P. J. Derry, W.-S. Chang, E. R. Zubarev, E. Ringe, S. Link and C. F. Landes, “Optimization of Spectral and Spatial Conditions to Improve Super-Resolution Imaging of Plasmonic NanoparticlesJ. Phys. Chem. Lett. 8, 229 (2017)

51. Yorulmaz, A. R. Hoggard, H. Zhang, F. Wen, W.-S. Chang, N. J. Halas, P. Nordlander and S. Link,“Absorption Spectroscopy of an Individual Fano Cluster” Nano Lett. 16, 6497 (2016)

50. K. W. Smith, H Zhao, H. Zhang, A. Sánchez-Iglesias, M. Grzelczak, Y. Wang, W.-S. Chang, P. Nordlander, L. Liz-Marzán and S. Link,“Chiral and Achiral Nanodumbbell Dimers: The Effect of Geometry on Plasmonic Properties” ACS Nano, 10, 6180 (2016)

49. S. Hoener, C. P. Byers, T. S. Heiderscheit, S. Indrasekara, A. Hoggard, W.-S. Chang, S.Link, and C. F. Landes,“Spectroelectrochemistry of Halide Anion Adsorption and Dissolution of Single Gold Nanorods” J. Phys. Chem. C 120 , 20604 (2016)

48. P. Byers, B. S. Hoener, W.-S. Chang, S. Link, and C. F. Landes,Single-Particle Plasmon Voltammetry (spPV) for Detecting Anion Adsorption” Nano Lett. 16, 4, (2016)

47. J. DeSantis, D. Huang, H. Zhang, N. Hogan, H. Zhao, Y. Zhang, A. Manjavacas, Y. Zhang, W.-S. Chang, P. Nordlander, S. Link, and N. J. Halas “Laser-Induced Spectral Hole-Burning through a Broadband Distribution of Au NanorodsJ. Phys. Chem. C. 120, 20518 (2016)

46. S.-C. Lu, M.-C. Hsiao, M. Yorulmaz, L.-Y. Wang, P.-Y. Yang, S. Link, W.-S. Chang and H.-Y. Tuan “Single-crystalline Copper Nano-octahedraChem. Mater. 27, 8185 (2015)

45. L.-Y. Wang, K. W. Smith, S. Dominiquez-Medina, N. Moody, J. M. Olson, H. Zhang, W.-S. Chang*, N. Kotov* and S. Link* “Circular Differential Scattering of Single Chiral Self-Assembled Gold Nanorod DimersACS Photonics 2, 1602 (2015) (*Corresponding Author)

44. P. Byers, H. Zhang, D. F. Swearer, M. Yorulmaz, B. S. Hoener, D. Huang, A. Hoggard, W.-S. Chang, P. Mulvaney, E. Ringe, N. J. Halas, P. Nordlander, S. Link, and C. F. Landes “From Tunable Core-Shell Nanoparticles to Plasmonic Drawbridges: Active Control of Nanoparticle Optical PropertiesSciences Advances 1, e1500988 (2015)

43. Hartsfield,* W.-S. Chang,* S.-C. Yang, T. Ma, J. Shi, L. Sun, G. Shvets, S. Link and X. Li “ Single Quantum Dot Controls a Plasmonic cavity’s Scattering and AnisotropyProc. Natl. Acad. Sci. USA, 112, 12288 (2015)(* equal contribution)

42. W.-S. Chang, M.-N. Su,F. Wen,* D. Chakraborty,* Y. Zhang, B. Shuang, P. Nordlander, J. E. Sader, N. J. Halas and S. Link “ Tuning the Acoustic Frequency of a Gold Nanodisk through its Adhesion LayerNature Comm. 6, 7022 (2015)(* equal contribution)

41. D. Huang, C.Byers, L.-Y. Wang, A. Hoggard, B. Hoener, S. Dominguez-Medina, S. Chen, W.-S. Chang, C. F. Landes, and S. Link “Photoluminescence of Plasmonic MoleculesACS Nano 9, 7072 (2015)

40. M. Yorulmaz, S. Nizzero, A. Hoggard, L.-Y. Wang, Y.-Y. Cai, M.-N. Su, W.-S. Chang, and S. Link“Single-Particle Absorption Spectroscopy by Photothermal ContrastNano Lett. 15, 3041 (2015)

39. J. Yeom, B. Yeom, H. Chan, K. W. Smith, S. Dominguez-Medina, J. H. Bahng, G. Zhao, W.-S. Chang, S.-J. Chang, A. Chuvilin, D. Melnikau, A. L. Rogach, P. Zhang, S. Link, P. Král and N. A. Kotov “Chiral templating of self-assembling nanostructures by circularly polarized lightNature Mater. 14, 66 – 72 (2015)

38. J. Olson, S. Dominguez-Medina, A. Hoggard, L.-Y. Wang, W. -S. Chang and S. Link,“Optical Characterization of Single Plasmonic Nanoparticles” Chem. Soc. Rev. 44, 40 – 57 (2015) (Corresponding Author)

37. J. Olson, A. Manjavacas, L. Liu, W.-S. Chang, B. Foerster, N. S. King, M. W. Knight, P. Nordlander, N. J. Halas, and S. Link“Vivid, Full-color Aluminum Plasmonic Pixels” Proc. Natl. Acad. Sci. USA 111, 14348 – 14353 (2014)

36. P. Byers, B. S. Hoener, W.-S. Chang, M. Yorulmaz, S. Link, and C. F. Landes,“Single-Particle Spectroscopy Reveals Heterogeneity in Electrochemical Tuning of the Localized Surface Plasmon” J. Phys. Chem. B 118, 14047 – 14055 (2014)

35. A. Thibodeaux, V. Kulkarni, W.-S. Chang, O. Neumann, Y. Cao, B. Brinson, C. Ayala-Orozco, C.-W. Chen, E. Morosan, S. Link, P. Nordlander, and N. J. Halas“Impurity-Induced Plasmon Damping in Individual Cobalt-Doped Hollow Au Nanoshells” J. Phys. Chem. B 118, 14056 – 14061 (2014)

34. A. Paul, Y -R. Zhen, Y. Wang, W. -S. Chang, Y. Xia, P. Nordlander, and S. Link, “Dye-Assisted Gain of Strongly Confined Surface Plason Polaritons in Silver Nanowires” Nano Lett. 14, 3628 (2014)

33. S. Nauert, A. Paul, Y.-R. Zhen, D. Solis, L. Vigderman, W.-S. Chang, E. R. Zubarev, P. Nordlander, and S. Link, “Influence of Cross Sectional Geometry on Surface Plasmon Polariton Propagation in Gold Wires” ACS Nano 8, 572 (2014)

32. Hoggard, L.-Y. Wang , L. Ma, Y. Fang,G. You,J. Olson, Z. Liu, W.-S. Chang, P. M. Ajayan and S. Link, “Using the Plasmon Linewidth to Calculate the Time and Efficiency of Electron Transfer between Gold Nanorods and Graphene” ACS Nano, 7, 11209 (2013)

31. E. Solis, A Paul, J Olson, LS Slaughter, P Swanglap, W.-S. Chang, and S. Link, “Turning the corner: Efficient energy transfer in bent plasmonic nanoparticle chain waveguidesNano Lett. 13, 4779 (2013)

30. W. Ma, H. Kuang, L. Wang, L. Xu, W. S. Chang, H. Zhang, M. Sun, Y. Zhu, Y. Zhao, L. Liu, C. Xu, S. Link and N. A. Kotov “Chiral Plasmonics of Self-assembled Nanorod DimersSci. Rep. 3, 1934 (2013)

29. L. Kisley, W.S. Chang, D. Cooper, A.P. Mansur, C.F. Landes, “Extending Single Molecule Fluorescence Observation Time by Amplitude Modulated ExcitationMethods Appl. Fluoresc. 1, 037001 (2013)

28. D. E. Solis, P. Aniruddha, W.-S. Chang and S. Link, “A Mechanistic Study of Bleach-Imaged Plasmon Propagation (BlIPP)J. Phys. Chem. B.117,16 (2013)

27.J. Olson, P. Swanglap, W.-S. Chang, S. Khatua, D. Solis, and S. Link, “Detailed Mechanism for the Orthorgonal Polarization Switching of Gold Nanorod PlasmonsPhys. Chem. Chem. Phys. 15, 4195 (2013)

26. W.-S. Chang, B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, S. Link, “A Plasmonic Fano SwtichNano Lett. 12, 4977 (2012)

25. A. Paul, D. Solis, Jr., K. Bao, W.-S. Chang, S. Nauert, L. Vidgerman, E. R. Zubarev, P. Nordlander, S. Link, “Identification of Higher Order Long Range Surface Plasmon Polariton Modes in Chemically Prepared Gold NanowiresACS Nano 6, 8105 (2012)

24. Y. Fang, W.-S. Chang, B. Willingham, P. Swanglap, S. Dominguez-Medina, S. Link, “ Photo Photoluminescence Quantum Yield of Single Gold Nanorods: Violation of the Kasha-Valilov ruleACS Nano 6, 7177 (2012)

23. N. J. Halas, S. Lal, S. Link, W.-S. Chang, D. Natelson, J. Hafner, P. Nordlander, “A Plethora of Plasmonics from the Laboratory for Nanophotonics at Rice UniversityAdv. Mater. 24, 4842 (2012)

22. L. S. Slaughter, B. A. Willingham, W.-S. Chang, M. H. Chester, N. Ogden, S. Link, “Towards Plasmonic PolymersNano. Lett. 12, 3967 (2012)

21. W.-S. Chang, S. Link, “Enhancing the Sensitivity of Single Particle Photothermal Imaging with Thermotropic Liquid CrystalsJ. Phys. Chem. Lett. 3, 1393 (2012)

20. W.-S. Chang, B. Willingham, L. S. Slaughter, S. Dominguez-Medina, P. Swanglap, S. Link, “Radiative and Nonradiative Properties of Single Plasmonic Particles and Their AssembliesAcc. Chem. Res. 45, 1936 (2012)

19. D. Solis, Jr., B. Willingham, S. L. Nauert, L. S. Slaughter, J. Olson, P. Swanglap, W.-S. Chang, S. Link, “Electromagnetic Energy Transport in Nanoparticle Chains via Dark Plasmon ModesNano Lett. 12, 1349 (2012)

18. W.-S. Chang, B. Willingham, L. S. Slaughter, B. P. Khanal, E. R. L. Vigderman, E. R Zubarev, S. Link, “Low Absorption Losses of Strongly Coupled Surface Plasmons in Nanoparticle AssembliesProc. Natl. Acad. Sci. USA 108, 19879 (2011)

17. S. Khatua, W.-S. Chang, P. Swanglap, J. Olson, S. Link, “Active Modulation of Nanorod PlasmonsNano Lett. 11, 3797 (2011)

16. L. S. Slaughter, W.-S. Chang, S. Link, “Characterizing Plasmons in Nanoparticles and Their Assemblies with Single Particle SpectroscopyJ. Phys. Chem. Lett. 2, 2015 (2011)

15. A. Tcherniak, S. Dominguez-Medina, W.-S. Chang, P. Swanglap, L. S. Slaughter, C. F. Landes, S. Link, “One-photon plasmon luminescence and its application to correlation spectroscopy as a probe for rotational and translational dynamics of gold nanorods J. Phys. Chem. C 115, 15938 (2011)

14. P. Swanglap, L. S. Slaughter, W.-S. Chang, B. Willingham, B. P. Khanal, E. R. Zubarev, S. Link, “Seeing double: Coupling between substrate image charges and collective plasmon modes in self-assembled nanoparticle superstructuresACS Nano 5, 4892 (2011)

13. N. J. Halas, S. Lal, W.-S. Chang, S. Link, P. Nordlander, “Plasmons in strongly coupled metallic nanostructuresChem. Rev. 111, 3913 (2011)

12. D. Solis, W.-S. Chang, B. P. Khanal, K. Bao, P. Nordlander, E. R. Zubarev, S. Link, “Bleach-Imaged Plasmon Propagation (BlIPP) in Single Gold NanowiresNano Lett. 10, 3482 (2010)

11. W.-S. Chang, J. W. Ha, L. S. Slaughter and S. Link, “Plasmonic nanorod absorbers as orientation sensorsProc. Nat. Acad. Sci. U.S.A. 107, 2781 (2010)

10. M. Thakur, D. Melnik, H. Barnett, K. Daly, C. Moran, W.-S. Chang, S. Link, C. T. Bucher, C. Kittrell and R. F. Curl, “Wide-Field Four-Channel Fluorescence Microscope for Biological ApplicationsJ. Biomed. Opt. 15, 026016 (2010)

9. L. S. Slaughter, W.-S. Chang, P. Swanglap, A. Tcherniak, B. P. Khanal, E.R. Zubarev, S. Link, “Single-Particle Spectroscopy of Gold Nanorods beyond the Quasi-Static Limit: Varying the Width at Constant Aspect Ratio”, J. Phys. Chem. C 114, 4934 (2010)

8. S. Khatua, P. Manna, W.-S. Chang, A. Tcherniak, E. Friedlander, E. R. Zubarev, S. Link, “Plasmonic Nanoparticles-Liquid Crystal CompositesJ. Phys. Chem. C 114, 7251 (2010)

7. R. E. Palacios, W.-S. Chang, J. K. Grey, Y-L Chang, W. L. Miller, C-Y Lu, G. Henkelman, D. Zepeda, J. Ferraris, and P. F. Barbara, “Detailed Single-Molecule Spectroelectrochemical Studies of the Oxidation of Conjugated PolymersJ. Phys. Chem. B 113,14619 (2009)

6. W.-S. Chang, L. S. Slaughter, B. P. Khanal, P. Manna, E. R. Zubarev and S. Link, “One-Dimensional Coupling of Gold Nanoparticle Plasmons in Self-Assembled Ring SuperstructuresNano Lett. 9, 1152 (2009)

5. W.-.S Chang, S. Link, A. Yethiraj and P.F. Barbara, “Single Molecule Spectroscopy of Conjugated Polymer Chains in an Electric Field-Aligned Liquid CrystalJ. Phys. Chem. B 112, 448 (2008)

4. P. F. Barbara, W.-S. Chang, S. Link, G. D. Scholes, and A. Yethiraj “Structure and dynamics of conjugated polymers in liquid crystalline solventsAnnul. Rev. Phys. Chem. 58, 565 (2007)

3. S. Link, W.-S. Chang, A. Yethiraj, and P.F. Barbara, “Orthogonal Orientations for Solvation of Polymer Molecules in Smectic SolventsPhys. Rev. Lett. 96, 017801 (2006)

2. S. Link, W.-S. Chang, A. Yethiraj, and P.F. Barbara, “Anisotropic Diffusion of Elongated and Aligned Polymer Chains In a Nematic SolventJ. Phys. Chem. B 110, 19799 (2006)

1. S. Link, D. Hu, W.-S. Chang, G. D. Scholes, and P. F. Barbara, “Nematic Solvation of Segmented Polymer ChainsNano Lett. 5, 1757 (2005)