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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Broadband Finite-Difference Time-Domain Modeling of Plasmonic Organic Photovoltaics

  • Jung, Kyung-Young (Department of Electronic Engineering, Hanyang University) ;
  • Yoon, Woo-Jun (Department of Electrical and Computer Engineering, The Ohio State University, U.S. Naval Research Laboratory) ;
  • Park, Yong Bae (Department of Electrical and Computer Engineering, Ajou University) ;
  • Berger, Paul R. (Department of Electrical and Computer Engineering and the Department of Physics, The Ohio State University) ;
  • Teixeira, Fernando L. (Department of Electrical and Computer Engineering and the Department of Physics, The Ohio State University)
  • Received : 2013.08.06
  • Accepted : 2013.12.16
  • Published : 2014.08.01
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Abstract

We develop accurate finite-difference time-domain (FDTD) modeling of polymer bulk heterojunction solar cells containing Ag nanoparticles between the hole-transporting layer and the transparent conducting oxide-coated glass substrate in the wavelength range of 300 nm to 800 nm. The Drude dispersion modeling technique is used to model the frequency dispersion behavior of Ag nanoparticles, the hole-transporting layer, and indium tin oxide. The perfectly matched layer boundary condition is used for the top and bottom regions of the computational domain, and the periodic boundary condition is used for the lateral regions of the same domain. The developed FDTD modeling is employed to investigate the effect of geometrical parameters of Ag nanospheres on electromagnetic fields in devices. Although negative plasmonic effects are observed in the considered device, absorption enhancement can be achieved when favorable geometrical parameters are obtained.

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References

  1. E. Ozbay, "Plasmonics: Merging Photonics and Electronics at Nanoscale Dimensions," Sci., vol. 311, no. 5758, Jan. 2006, pp. 189-193. https://doi.org/10.1126/science.1114849
  2. J.-M. Nam, C.S. Thaxton, and C.A. Mirkin, "Nanoparticle-Based Bio-Bar Codes for the Ultrasensitive Detection of Proteins," Sci., vol. 301, no. 5641, Sept. 2003, pp. 1884-1886. https://doi.org/10.1126/science.1088755
  3. Z. Han, E. Forsberg, and S. He, "Surface Plasmon Bragg Gratings Formed in Metal-Insulator-Metal Waveguides," IEEE Photon. Technol. Lett., vol. 19, no. 2, Jan. 15, 2007, pp. 91-93. https://doi.org/10.1109/LPT.2006.889036
  4. K.-Y. Jung, F.L. Teixeira, and R.M. Reano, "Au/SiO2 Nanoring Plasmon Waveguides at Optical Communication Band," J. Lightw. Technol., vol. 25, no. 9, Sept. 2007, pp. 2757-2765. https://doi.org/10.1109/JLT.2007.902100
  5. K.-Y. Jung, F.L. Teixeira, and R.M. Reano, "Surface Plasmon Coplanar Waveguides: Mode Characteristics and Mode Conversion Losses," IEEE Photon. Technol. Lett., vol. 21, no. 10, May 15, 2009, pp. 630-632. https://doi.org/10.1109/LPT.2009.2015578
  6. W.-J. Yoon et al., "Plasmon-Enhanced Optical Absorption and Photocurrent in Organic Bulk Heterojunction Photovoltaic Devices Using Self-assembled Layer of Silver Nanoparticles," Solar Energy Mater. Solar Cells, vol. 94, no. 2, Feb. 2010, pp. 128-132. https://doi.org/10.1016/j.solmat.2009.08.006
  7. D.M. Schaadt, B. Feng, and E.T. Yu, "Enhanced Semiconductor Optical Absorption via Surface Plasmon Excitation in Metal Nanoparticles," Appl. Phys. Lett., vol. 86, no. 6, Feb. 2005, p. 063106. https://doi.org/10.1063/1.1855423
  8. M. Westphalen et al., "Metal Cluster Enhanced Organic Solar Cells," Solar Energy Mater. Solar Cells, vol. 61, no. 1, Feb. 15, 2000, pp. 97-105. https://doi.org/10.1016/S0927-0248(99)00100-2
  9. W.-J. Yoon and P.R. Berger, "4.8% Efficient Poly(3-Hexylthiophene)-Fullerene Derivative (1:0.8) Bulk Heterojunction Photovoltaic Devices with Plasma Treated $AgO_x$/Indium Tin Oxide Anode Modification," Appl. Phys. Lett., vol. 92, no. 1, Jan. 2008, p. 013306. https://doi.org/10.1063/1.2830619
  10. C. Wen et al., "Effects of Silver Particles on the Photovoltaic Properties of Dye-Sensitized $TiO_2$ Thin Films," Solar Energy Mater. Solar Cells, vol. 61, no. 4, Apr. 2000, pp. 339-351. https://doi.org/10.1016/S0927-0248(99)00117-8
  11. C. Lungenschmied et al., "Flexible, Long-Lived, Large-Area, Organic Solar Cells," Solar Energy Mater. Solar Cells, vol. 91, no. 5, Mar. 2007, pp. 379-384. https://doi.org/10.1016/j.solmat.2006.10.013
  12. F.C. Krebs, "Fabrication and Processing of Polymer Solar Cells: A Review of Printing and Coating Techniques," Solar Energy Mater. Solar Cells, vol. 93, no. 4, Apr. 2009, pp. 394-412. https://doi.org/10.1016/j.solmat.2008.10.004
  13. F.C. Krebs, S.A. Gevorgyan, and J. Alstrup, "A Roll-to-Roll Process to Flexible Polymer Solar Cells: Model Studies, Manufacture and Operational Stability Studies," J. Mater. Chem., vol. 19, no. 30, May 2009, pp. 5442-5451. https://doi.org/10.1039/b823001c
  14. A. Taflove and S.C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed., Norwood, MA: Artech House, 2005.
  15. F.L. Teixeira, "Time-Domain Finite-Difference and Finite- Element Methods for Maxwell Equations in Complex Media," IEEE Trans. Antennas Propag., vol. 56, no. 8, Aug. 2008, pp. 2150-2166. https://doi.org/10.1109/TAP.2008.926767
  16. I.-Y. Oh, Y. Hong, and J.-G. Yook, "Extremely Low Numerical Dispersion FDTD Method Based on H(2,4) Scheme of Lossy Material," J. Electromagn. Eng. Sci., vol. 13, no. 3, Sept. 2013, pp. 158-164. https://doi.org/10.5515/JKIEES.2013.13.3.158
  17. H. Chung et al., "Accurate FDTD Dispersive Modeling for Concrete Materials," ETRI J., vol. 35, no. 5, Oct. 2013, pp. 915-918. https://doi.org/10.4218/etrij.13.0212.0491
  18. W.C. Chew and W.H. Weedon, "A 3D Perfectly Matched Medium from Modified Maxwell's Equations with Stretched Coordinates," Microw. Opt. Technol. Lett., vol. 7, no. 13, Sept. 1994, pp. 599-604. https://doi.org/10.1002/mop.4650071304
  19. F.L. Teixeira and W.C. Chew, "Complex Space Approach to Perfectly Matched Layers: A Review and Some New Developments," Int. J. Numer. Model., vol. 13, no. 5, Sept. 2000, pp. 441-455. https://doi.org/10.1002/1099-1204(200009/10)13:5<441::AID-JNM376>3.0.CO;2-J
  20. K.-Y. Jung and F.L. Teixeira, "Multispecies ADI-FDTD Algorithm for Nanoscale Three-Dimensional Photonic Metallic Structures," IEEE Photon. Technol. Lett., vol. 19, no. 8, Apr. 15, 2007, pp. 586-588. https://doi.org/10.1109/LPT.2007.894282
  21. K.-Y. Jung, S. Ju, and F.L. Teixeira, "Two-Stage Perfectly Matched Layer for the Analysis of Plasmonic Structures," IEICE Trans. Electron., vol. E93-C, no. 8, Aug. 2010, pp. 1371-374. https://doi.org/10.1587/transele.E93.C.1371
  22. J. Shibayama et al., "Frequency-Dependent Locally One- Dimensional FDTD Implementation with a Combined Dispersion Model for the Analysis of Surface Plasmon Waveguides," IEEE Photon. Technol. Lett., vol. 20, no. 10, May 15, 2008, pp. 824-826. https://doi.org/10.1109/LPT.2008.921830
  23. P.-H. Lee and Y.-C. Lan, "Plasmonic Waveguide Filters Based on Tunneling and Cavity Effects," Plasmonics, vol. 5, no. 4, Dec. 2010, pp. 417-422. https://doi.org/10.1007/s11468-010-9159-2
  24. X. Luo et al., "High-Uniformity Multichannel Plasmonic Filter Using Linearly Lengthened Insulators in Metal-Insulator-Metal Waveguide," Opt. Lett., vol. 38, no. 9, May 2013, pp. 1585-1587. https://doi.org/10.1364/OL.38.001585
  25. A. Vial et al., "Improved Analytical Fit of Gold Dispersion: Application to the Modeling of Extinction Spectra with a Finite- Difference Time-Domain Method," Phys. Rev. B, vol. 71, no. 8, Feb. 23, 2005, p. 085416. https://doi.org/10.1103/PhysRevB.71.085416
  26. Baytron(R) P, standard grade, H.C. Stark. Accessed Aug. 15, 2012. http://www.hcstarck.com
  27. SPI Supplies(R) Brand Indium-Tin-Oxide (ITO) Coated Substrates. Accessed Aug. 15, 2012. http://www.2spi.com/catalog/standards/ ITO-coated-substrates- refractive-index-values.html
  28. L.J.A. Koster, V.D. Mihailetchi, and P.W.M. Blom, "Ultimate Efficiency of Polymer/Fullerene Bulk Heterojunction Solar Cells," Appl. Phys. Lett., vol. 88, no. 9, Mar. 2006, p. 093511. https://doi.org/10.1063/1.2181635
  29. I. Thomann et al., "Plasmon Enhanced Solar-to-Fuel Energy Conversion," Nano Lett., vol. 11, no. 8, July 2011, pp. 3440- 3446. https://doi.org/10.1021/nl201908s
  30. R.A. Pala et al., "Design of Plasmonic Thin-Film Solar Cells with Broadband Absorption Enhancements," Adv. Mater., vol. 21, no. 34, Sept. 11, 2009, pp. 3504-3509. https://doi.org/10.1002/adma.200900331
  31. J. Wang et al., "Computation with a Parallel FDTD System of Human-Body Effect on Electromagnetic Absorption for Portable Telephones," IEEE Trans. Microw. Theory Technol., vol. 52, no. 1, Jan. 2004, pp. 53-58. https://doi.org/10.1109/TMTT.2003.821232
  32. M. Han, R.W. Dutton, and S. Fan "Model Dispersive Media in Finite-Difference Time-Domain Method with Complex- Conjugate Pole-Residue Pairs," IEEE Microw. Wireless Compon. Lett., vol. 16, no. 3, Mar. 2006, pp. 119-121. https://doi.org/10.1109/LMWC.2006.869862
  33. S.-G. Ha et al., "FDTD Dispersive Modeling of Human Tissues Based on Quadratic Complex Rational Function," IEEE Trans. Antennas Propag., vol. 61, no. 2, Feb. 2013, pp. 996-999. https://doi.org/10.1109/TAP.2012.2223448
  34. S. Vedraine et al., "Intrinsic Absorption of Plasmonic Structures for Organic Solar Cells," Solar Energy Mater. Solar Cells, vol. 95, May 2011, pp. S57-S64. https://doi.org/10.1016/j.solmat.2010.12.045
  35. P. Spinelli and A. Polman, "Prospects of Near-Field Plasmonic Absorption Enhancement in Semiconductor Materials Using Embedded Ag Nanoparticles," Opt. Exp., vol. 20, no. S5, Sept. 10, 2012, pp. A641-A654. https://doi.org/10.1364/OE.20.00A641

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