? Publications

Van Keuren Lab

Department of Physics
Georgetown University


Publications
  1. T. Li, S. Melis, C. Bagade, A. Khatib, R. Kosarzycki, G. Maglieri, X. Zhang, E. Van Keuren, " Mechanisms of nucleation and growth in the formation of charge transfer nanocrystals" J. Nanopart. Res. 21 (2019) 147
  2. P. Han, E. Adler, Y. Liu, L. St. Marie, A. El Fatimy, S. Melis, E. Van Keuren, P. Barbara, "Ambient Effects on Photogating in MoS2 Photodetectors" Nanotechnology, 30 (2019) 284004
  3. V. Dahanayake, C. Pornrungroj, M. Pablico-Lansigan, T. Lyons, W. Hickling, D. Lah, C. Albanese, O. Rodriguez, E. Van Keuren, S. Stoll, "Paramagnetic Nanobeads of Mn3(O2CCH3)6(bpy)2 as a Potential T1-T2 Multi-modal MRI Contrast Agent" ACS Applied Materials & Interfaces, 11 (2019) 18153-18164
  4. E. Van Keuren, C. Pornrungroj, C. Fu, X. Zhang, S. Okada, H. Katsuyama, K. Kikuchi, T. Onodera, H. Oikawa, "Polydiacetylene ribbons formed using the controlled evaporative self-assembly (CESA) method" MRS Communications 9 (2019) 229-235
  5. C. Bagade, V. Ghanwat, E. Van Keuren, P. Bhosale, "A robust and self-assembled route to synthesis of CdZn(Se1-xTex)(2) photoanodes as light harvesters for photoelectrochemical solar cells" J. Mater. Sci. Mater. Electr. 29 (2018) 11763-11773
  6. N. Vanagas, J. Wacker, C. Rom, E. Glass, I. Colliard, Y. Qiao, J. Bertke, E. Van Keuren, E. Schelter, M. Nyman, K. Knope "Solution and Solid-State Structural Chemistry of Th(IV) and U(IV) 4-Hydroxybenzoates" Inorg. Chem., 57 (2018) 7259-7269.
  7. D. Choi, M. Hansen, E. Van Keuren, J, Hahm, "Highly photoresponsive, ZnO nanorod-based photodetector for operation in the visible spectral range" Nanotechnology, 28(14) 2017, 145203
  8. S. Qi, H. Lu, X. Cheng, E. Van Keuren, "Experimental study of the influence of solvents on the optical nonlinearity of methyl red" Opt. Eng. 56 (2017) 087105
  9. S. Zhao, D. Choi, T. Lee, A. Boyd, P. Barbara, E. Van Keuren, and J. Hahm, "Indium Tin Oxide Nanowire Networks as Effective UV/Vis Photodetection Platforms" J. Phys. Chem C 119 (2015) 14483-14489
  10. J. York, C. Albanese, O. Rodriguez, Y. Lee, M. Farmer, E. Van Keuren, "The effects of particle shape and size on T2 relaxation in magnetic resonance imaging", J. Biomed. Nanotechnol. 10, 3392-3396 (2014)
  11. M. Pablico-Lansigan, W. Hickling, E. Japp, O. Rodriguez, A. Ghosh, C. Albanese, M. Nishida, E. Van Keuren, S. Fricke, N. Dollahon, S. Stoll, "Magnetic Nanobeads as Potential Contrast Agents for Magnetic Resonance Imaging" ACS Nano, 2013, 7, 9040-9048
  12. C. Ma, E. Van Keuren "Toward conventional-optical-lens-like superlenses" Nano Bulletin Vol. 2, No. 1, 130105, January 2013, 130105-1
  13. M. Nishida, E. Van Keuren "Derivation of the optical autocorrelation function from Raman scattering of diffusing particles" J. Mod. Opt. 59 (2011) 102-105
  14. M. Pablico, J. Mertzman, E. Japp, W. Boncher, M. Nishida, E. Van Keuren, S. Lofland, N. Dollahon, J. Rubinson, S. Stoll "Miniemulsion synthesis of metal-oxo cluster containing copolymer nanobeads" Langmuir 27 (2011) 12575-12584.
  15. M. Nishida and E. Van Keuren "Crystal formation in tetracyanoquinodimethane on the nanoscale: polymorphism and progression of self-assembly" MRS Comm. 1 (2011) 7-11, doi:10.1557/mrc.2011.5.
  16. S. Polyakov, A. Muller, E. Flagg, A. Ling, N. Borjemscaia, E. Van Keuren, A. Migdall and Glenn S. Solomon, "Coalescence of Single Photons Emitted by Disparate Single-Photon Sources: The Example of InAs Quantum Dots and Parametric Down-Conversion Sources" PRL 107 (2011) 157402
  17. M. Helle, D. Gordon, D. Kaganovich, E. Van Keuren, A. Ting "Extending Electro-Optic Detection of Short Particle Beams Beyond the Transverse Phonon Resonance" Advanced Accelerator Concepts 1299 (2010) 561-564.
  18. C. Perrin, M. Dobish, E. van Keuren and J. Swift "Monosodium Urate Monohydrate Crystallization" invited paper, CrystEngComm 13 (2011) 1111-1117.
  19. C. Ma, Q. Zhang, E. Van Keuren, "Direct integration of nanoscale conventional and slot waveguides" J. Nanosci. Nanotech. 11, 2524-2527 (2011).
  20. E. Van Keuren and M. Nishida, "Synthesis of nanocomposite materials using the reprecipitation method" Computers, Materials & Continua (CMC), vol.409, no.1, pp.61-77, 2010.
  21. S. Qi, X. Liang, H. Lu, C. Ma, E. Van Keuren "The refractive index change and self-defocusing effect of Methyl Red Doped Polymer" Jap. J. Appl. Phys. 48 (2009) 11503
  22. C. Ma, S. Qi, Q. Zhang, E. Van Keuren, "High efficiency right-angle bending structures in continuous slot waveguides" J. Opt. A: Pure Appl. Opt. 11 (2009) 105702
  23. R. Ross, C. Cardona, F. Swain, Dirk M. Guldi,, S. Sankaranarayanan, E. Van Keuren, B. Holloway, M. Drees "Tuning Conversion Efficiency in Metallo Endohedral Fullerene-Based Organic Photovoltaic Devices" Adv. Funct. Mater. 19 (2009), 1-6.
  24. J. Mertzman S. Kar, S. Lofland, T. Fleming, E. Van Keuren, Y Tong, S. Stoll "Surface attached manganese-oxo clusters as potential contrast agents" Chem. Commun. 7 (2009) 788-790.
  25. Ross, R. Cardona, C. Guldi, D., Sankaranarayanan, S. Reese, M. Kopidakis, N. Peet, J., Walker, B., Bazan, G. Van Keuren, E. Holloway, B., Drees M., "Endohedral fullerenes for organic photovoltaic devices" Nature Materials 8 (2009) 208-212
  26. C. Ma, Q. Zhang, E. Van Keuren, "Analysis of symmetric and asymmetric nanoscale slab slot waveguides" Opt. Commun. 282 (2009) 324-328.
  27. Ma, C., Zhang, Q., Van Keuren, E., "Right-angle slot waveguide bends with high bending efficiency" Opt. Express 16 (19) September 2008, 14330-34.
  28. Van Keuren, E.; Bone, A.; Ma, C. "Phthalocyanine Nanoparticle Formation in Supersaturated Solutions" Langmuir; 2008; 24(12); 6079-6084.
  29. C. Ma, E. Van Keuren "A three-dimensional wide-angle BPM for optical waveguide structures" Optics Express, Vol. 15, Issue 2, pp. 402-407, January 2007
  30. K. P. Bloschock, T. W. Schneider, Abul Hussam, E. R. Van Keuren, "Development of a MEMS-fabricated SU-8 device for 2D separations "Proc. SPIE Vol. 6380, 63800I, Smart Medical and Biomedical Sensor Technology IV; Brian M. Cullum, J. Chance Carter; Eds., Oct. 2006.
  31. Jonathan Rogers, Changbao Ma, Makarand Paranjape, Edward Van Keuren, "A multimode thermo-optic beam steering switch", Proc. SPIE Vol. 6368, 636815, Optoelectronic Devices: Physics, Fabrication, and Application III; Joachim Piprek, Jian Jim Wang; Eds., Oct. 2006
  32. Changbao Ma, Edward Van Keuren, "Three dimensional iterative beam propagation method for optical waveguide devices", Proc. SPIE Vol. 6389, 63890E, Active and Passive Optical Components for Communications VI; Achyut K. Dutta, Yasutake Ohishi, Niloy K. Dutta, Jesper Moerk; Eds., Oct. 2006
  33. C. Ma, E. Van Keuren, "New design of a beam-steering thermooptic multimode polymer waveguide switch" Applied Physics B, Lasers and Optics 85 (4) (2006) 619-623 DEC.
  34. C. Ma, E. Van Keuren, "A simple three dimensional wide-angle beam propagation method" Optics Express 14 (2006) 4668-4674.
  35. C. Luo, X. Liu, R. Poddar, J. Garra, A. Gadre, E. Van Keuren, T. Schneider, R. White, J. Currie, M. Paranjape, "Thermal ablation of PMMA for water release using a microheater" J. Micromech. Microeng. 16 (2006) 580-588.
  36. Luo, C; Liu, XC; Poddar, R; Garra, J; Gadre, AP; Keuren, EV; Schneider, T; White, R; Currie, J; Paranjape, M "An innovative all-polymeric drug-supply device"" Proc. SPIE Vol. 5763 Smart Structures and Materials 2005: Smart Electronics, MEMS, BioMEMS and Nanotechnology 301-309
  37. E. Van Keuren, R. White, "Structure/property relations in conjugated polymers for photonics" Nonlinear Optics, Quantum Optics 33 (2005) 63-96.
  38. E. Van Keuren "Refractive index measurement using total internal reflection" Amer. J. Phys.73(7) (2005) 611-614.
  39. E. Van Keuren, O. Albertini, M. Cheng, J. Currie, C. Luo, M. Paranjape "Fluorescent microthermal imaging of MEMS heaters", Sensors and Materials A, vol. 17 (2004) 1-6.
  40. E. Van Keuren, D. Littlejohn, W. Schrof, "Three-dimensional thermal imaging using two-photon microscopy" J. Phys. D: Appl. Phys. 37 (2004) 2938-2943.
  41. A. Leeds, E. Van Keuren, T. Schneider, J. Currie, M. Durst, M. Paranjape, "Single Mask Integration of Micro-Fluidic and Micro-Optical Elements" Sensors and Actuators A 115, Issues 2-3 (2004) 571-580
  42. E. Van Keuren, "Polymer nanoparticles synthesized with solvent shifting" Journal of Dispersion Science and Technology, 25 (2004) 547 - 553.
  43. C. Ma, E. Van Keuren, "Simulation of Thermo-optic Effects in Beam Propagation" SPIE Proceedings, vol. 5595, 2004, pp. 394-403, Optics East.
  44. K. Bloschock, J. Flyer, T. Schneider, A. Hussam, E. Van Keuren, "Development of a MEMS 2d Separations Device" SPIE Proceedings, Vol 5591, 72-79.
  45. A. Leeds, E. Van Keuren, T. Schneider, J. Currie, M. Durst, M. Paranjape, "Single Mask Integration of Micro-Fluidic and Micro-Optical Elements", Eurosensors XVII proceedings (2003) 33-36.
  46. E. Van Keuren, W. Schrof, "Fluorescence recovery after two-photon bleaching for the determination of dye diffusion in polymer systems" Macromol., 15 (2003) 5002-5007
  47. E. Van Keuren, W. Schrof, "Two-photon Pattern Bleaching for Characterizing Structural Changes in Polymer Films" Macromol. Rapid Commun. 23 (18) (2002) 1138-1140.
  48. E. Van Keuren, J. Currie, M. Nelson, M. Paranjape, T. Schneider, R. Smith, P. Treado, J. Ward, R. White, "Three Dimensional Thermal Effects in MEMS Devices" Mat. Res. Soc. Symp. Proc. 687 (2002) B.1.3.1-B.1.3.6
  49. E. Van Keuren, E. Georgieva, M. Durst, "Kinetics of the Growth of Anthracene Nanoparticles" J. Disp. Sci. & Tech. 24(5) (2003) 721-729.
  50. E. Van Keuren, R. Andreaus, H. Möhwald, W. Schrof, T. Wakebe, V. Belov, H. Matsuda, R. Rangel-Rojo, "Structure/property relations in the linear and third order nonlinear optical properties of substituted oligothiophenes", Nonlinear Optics 28 (2001) 61-76.
  51. E. Van Keuren, E. Georgieva, J. Adrian, "Kinetics of the Formation of Organic Molecular Nanocrystals", Nano Letters, 1(3) (2001) 141-144.
  52. T. Hartmann, W. Schrof, V. Belov, H. Möhwald, S. Barth, E. Van Keuren, R. Mahrt, "Charge induced dephasing in thin polythiophene films" Phys. Rev. B 64, (2001) 235205.
  53. E. Van Keuren, T. Wakebe, R. Andreaus, H. Möhwald, W. Schrof, V. Belov, H. Matsuda, R. Rangel-Rojo, "Frequency dependence of the third order nonlinear optical properties of a polythiophene/selenophene derivative film" Appl. Phys. Lett., 75 (1999) 3312-3314.
  54. W. Schrof, R. Andreaus, H. Möhwald, S. Rozouvan, V. Belov, E. Van Keuren, T. Wakebe, "Nonlinear Optics of Polythiophene Films" Nonlinear Optics 22 (1999) 295-300.
  55. E. Van Keuren, T. Wakebe, H. Möhwald, S. Rozouvan, W. Schrof, V. Belov, H. Matsuda, R. Rangel-Rojo, S. Yamada, "Numerical Modeling of Saturation Effects in Nonlinear Optical Transmission and Refraction", Nonlinear Optics 22 (1999) 315-318.
  56. T. Wakebe, E. Van Keuren, "Two Photon Induced Fluorescence Spectra of Xanthene Dyes" Jpn. J. Appl. Phys. part 1 38 (6A) (1999) 3556.
  57. E. Van Keuren, V. Belov, H. Matsuda, H. Möhwald, S. Rozouvan, W. Schrof, S. Yamada, "Linear and third order nonlinear optical properties of substituted oligothiophenes" Journ. Chem. Phys., 110(7) (1999) 3584-3590.
  58. E. Van Keuren, V. Belov, H. Matsuda, H. Möhwald, S. Rozouvan, H. Saitoh, W. Schrof, S. Yamada, "Nonlinear Optical Properties of a Novel Polythiophene Derivative Copolymer Determined by Third Harmonic Generation, Degenerate Four-Wave Mixing and Z-scan", Mol. Cryst. Liq. Cryst. 315 (1998) 71-82.
  59. E. Van Keuren, H. Matsuda, T. Kamata, T. Fukaya, F. Mizukami, "Pump probe method for the determination of imaginary (3) of Ni(dmg)2", J. Phys. D: Appl. Phys, 31(21) (1998) 3051-3056.
  60. W. Schrof, S. Rozouvan, E. Van Keuren, D. Horn, J. Schmitt, G. Decher, "Nonlinear Optics of Polyelectrolyte Thin Films Containing Gold Nanoparticles Investigated by Wavelength Dispersive Femtosecond Degenerate Four Wave Mixing (DFWM)", Adv. Mater 10(4) (1998) 338.
  61. W. Schrof, S. Rozouvan, T. Hartmann, V. Belov, H. Möhwald, E. Van Keuren, "Nonlinear Optical Properties of Novel Low Band Gap Polythiophenes", J. Opt. Soc. Am. B 15(2) (1998) 889.
  62. E. Van Keuren, V. Belov, W. Schrof, E. Mayer, S. Rozouvan, H. Saitoh, T. Hartmann, H. Möhwald, "Third Order Nonlinear Optical Properties of Novel Polythiophene Derivatives", Mol. Cryst. Liq. Cryst., 294 (1997) 287.
  63. S. Yamada, E. Van Keuren, H. Matsuda, T. Kamata, T. Fukaya, F. Mizukami, E. Smith, A. Kar, B. Wherret, "Nonlinear refractive indices of one-dimensional metal complexes by Z-scan method" Mol. Cryst. Liq. Cryst. 295 (1997) 1.
  64. H. Matsuda, S. Yamada, E. Van Keuren, H. Katagi, H. Kasai, S. Okada, H. Oikawa, H. Nakanishi, E. Smith, A. Kar, B. Wherret, "Nonlinear refractive indices of polydiacetylene microcrystals", SPIE Annu. Tech. Symp. Proc. 2998 (1997) 241
  65. H. Matsuda, S., Shimada, H. Takeda, A. Masaki, E. Van Keuren, S. Yamada, K. Hayamizu, F. Nakanishi, S. Okada, H. Nakanishi, "Synthesis and Nonlinear Optical Properties of a New Polydiacetylene Derivative having Sulfur Atom Directly Bound to the Main Chain", Synth. Met. 84 (1997) 909.
  66. E. Van Keuren, H. Matsuda, T. Kamata, T. Fukaya, F. Mizukami, "Third-order nonlinear optical properties of one-dimensional metal complexes by the pump-probe method", Synthetic Metals 86 (1997) 2149.
  67. S. Yamada, E. Van Keuren, H. Matsuda, H. Katagi, H. Kasai, H. Oikawa, H. Nakanishi, E. Smith, A. Kar, B. Wherret, Polym. Prep. Japan 45 (1996) 2054
  68. E. Van Keuren, H. Matsuda, T. Kamata, T. Fukaya, F. Mizukami, "Third-order nonlinear optical properties of one-dimensional metal complexes by the pump-probe method", Nonlinear Optics 15 (1996) 279
  69. N. Tamaoki, E. Van Keuren, H. Matsuda, K. Hasegawa, T. Yamaoka, "Photoreversible optical nonlinearities of polymeric films containing spiropyran with long alkyl chains", Appl. Phys. Lett. 69 (1996) 1188.
  70. Y. Sonoda, Y. Suzuki, E. Van Keuren, H. Matsuda, "Preparation and nonlinear optical properties of poly(2,5-diheptyl-1,4-phenylenehexa-1,3,5-trienylene)", Macromol. 29(1) (1996) 288-293.
  71. H. Matsuda, E. Van Keuren, A. Masaki, K. Yase, A. Mito, C. Takahashi, H. Kasai, H. Kamatani, S. Okada, H. Nakanishi, "Nonlinear optical properties of J-aggregated merocyanine dye microcrystals in polymer microcrystals", Nonlinear optics 10 (1995) 123.
  72. H. Matsuda, E. Van Keuren, S. Shimada, H. Takeda, F. Nakanishi, S. Okada, H. Nakanishi, Polym. Prep. Japan 44 (1995) 1961
  73. E. Van Keuren, H. Wiese, D. Horn, "Fiber optic diffusing wave spectroscopy on concentrated dispersions of large polymer latex spheres", Ber. Bunsenges. Phys. Chem. 98(2) (1994) 269.
  74. E. Van Keuren, H. Wiese, D. Horn, "Fiber-optic quasielastic light scattering in concentrated dispersions: angular dependent measurements of singly scattered light", Langmuir 9 (1993) 2883-2887.
  75. E. Van Keuren, H. Wiese, D. Horn, "Diffusing wave spectroscopy in concentrated latex dispersions: an investigation using single mode fibers", Colloids and Surfaces a: Physiochemical and Engineering Aspects 77 (1993) 29-37.
  76. E. Van Keuren, S. Charap, A. Bortz, "Effect of orienting fields on agglomeration in dilute dispersions of magnetic fine particles", IEEE Trans Mag. 27 (1991) 3700-3703.

Patents
  1. E. Van Keuren, C. Ma, Direct coupling of optical slot waveguide to another optical waveguide, Issued Patent No. 8,768,124, issued July 2014
  2. Sarah Stoll, Julie Mertzman, Edward Van Keuren, Christopher Albanese, Stanley Fricke, "Manganese-oxo clusters as contrast agents for magnetic resonance imaging" Issued patent No. 9,555,134, Jan 31, 2017
  3. J. York, C. Albanese, O. Rodriguez, Y. Lee, E. Van Keuren, "Metal Particle MRI contrast agents and methods of use" Pub. No.: US 2015/0338485 Pub. Date: Nov. 26, 2015 (provisional filed December 2013, 61/747,669)
  4. C. Berk, G. Burton, M. Nishida, E. Van Keuren, "Electronic Devices with Organic Nanoparticles" Filed 2013, 61/908,589 PCT/US14/067480
  5. L. Der, G. Maglieri, R. Kosarzycki, E. Van Keuren, "Dryer For Preparation of Dry Nanoparticles" Provisional Application Serial No. 62/408,892, filed: October 17, 2016
  6. Jong-in Hahm, Daniel S. Choi, Matthew Hansen, and Edward Van Keuren, "ZnO PHOTODETECTOR", Provisional Patent Application No. 62/426,055, filed on November 23, 2016