Dr Sudha Mokkapati
Areas of expertise
- Compound Semiconductors 091203
- Quantum Optics 020604
- Photodetectors, Optical Sensors And Solar Cells 090605
- Materials Engineering 0912
- Electrical And Electronic Engineering 0906
- Nanotechnology 1007
Research interests
Growth of III-V compound semiconductor nanostructures
Light trapping for solar cells
metamaterial-design and fabrication
Available student projects
1. Numerical design of asymmetric dielectric gratings for light trapping in thin solar cells.
Current student projects
1. Investigation of dual-period dielectric structures for light trapping in thin solar cells.
Past student projects
2. Numerical design of dielectric gratings for light trapping in thin solar cells.
Publications
- Nguyen, H, Rougieux, F, Yan, D et al 2016, 'Characterizing amorphous silicon, silicon nitride, and diffused layers in crystalline silicon solar cells using micro-photoluminescence spectroscopy', Solar Energy Materials and Solar Cells, vol. 145, no. 3, pp. 403-411pp.
- Narangari, P, Naureen, S, Mokkapati, S et al 2016, 'Enhanced luminescence from GaN nanopillar arrays fabricated using a top-down process', Nanotechnology, vol. 27, no. 6, pp. 1-6.
- Gao, Q, Fu, L, Li, L et al 2015, 'Direct Characterization of Axial p-n Junctions for InP Nanowire Array Solar Cells Using Electron Beam-Induced Current', Light, Energy and the Environment 2015, Optical Society of American (OSA), America.
- Mokkapati, S, Saxena, D, Tan, H et al 2015, 'Optical design of nanowire absorbers for wavelength selective photodetectors', Scientific Reports, vol. 5.
- Mokkapati, S, Saxena, D, Jiang, N et al 2015, 'An Order of Magnitude Increase in the Quantum Efficiency of (AI)GaAs Nanowires Using Hybrid Photonic-Plasmonic Modes', Nano Letters, vol. 15, no. 1, pp. 307-312.
- Li, Z, Wenas, Y, Fu, L et al 2015, 'Influence of Electrical Design on Core-Shell GaAs Nanowire Array Solar Cells', IEEE Journal of Photovoltaics, vol. 5, no. 3, pp. 854-864.
- De Luca, M, Zilli, A, Fonseka, H et al 2015, 'Polarized light absorption in wurtzite InP nanowire ensembles', Nano Letters, vol. 15, no. 2, pp. 998-1005.
- Saxena, D, Wang, F, Gao, Q et al 2015, 'Mode Profiling of Semiconductor Nanowire Lasers', Nano Letters, vol. 15, no. 8, pp. 5342-5348.
- Fu, L, Mokkapati, S, Tan, H et al 2014, 'Numerical simulation on core-shell GaAs nanowire array solar cells', Optics for Solar Energy, Optical Society of American (OSA), USA.
- Gao, Q, Saxena, D, Wang, F et al 2014, 'Selective-Area Epitaxy of Pure Wurtzite InP Nanowires: High Quantum Efficiency and Room-Temperature Lasing', Nano Letters, vol. 14, no. 9, pp. 5206-5211.
- Mokkapati, S, Jiang, N, Saxena, D et al 2014, 'High quantum efficiency (Al) GaAs nanowires for optoelectronic devices', 2014 Summer Topicals Meeting Series, SUM 2014, IEEE, TBC, pp. 13-14.
- Mokkapati, S, Saxena, D, Jiang, N et al 2014, 'III-V semiconductor nanowire lasers', 2014 24th IEEE International Semiconductor Laser Conference, ISLC 2014, IEEE, Online, pp. 217-218.
- Wang, E, Mokkapati, S, White, T et al 2014, 'Light trapping with titanium dioxide diffraction gratings fabricated by nanoimprinting', Progress in Photovoltaics: Research and Applications, vol. 22, no. 5, pp. 587-592.
- Gao, Q, Fu, L, Wang, F et al 2014, 'Selective area epitaxial growth of InP nanowire array for solar cell applications', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2014), ed. Martyniuk M.Faraone, IEEE, New York, pp. 252-253.
- Mokkapati, S, Saxena, D, Jiang, N et al 2014, 'Plasmonic cavities for increasing the radiative efficiency of GaAs nanowires', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2014), ed. Martyniuk M.Faraone, IEEE, New York, pp. 244-245.
- Wenas, Y, Mokkapati, S, Tan, H et al 2014, 'Extremely High Short-Circuit Current Density in Vertical Single Nanowire Solar Cells', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2014), ed. Martyniuk M.Faraone, IEEE, New York, pp. 77-78.
- Wang, E, Mokkapati, S, Soderstrom, T et al 2013, 'Effect of nanoparticle size distribution on the performance of plasmonic thin-film solar cells: Monodisperse versus multidisperse arrays', IEEE Journal of Photovoltaics, vol. 3, no. 1, pp. 267-270.
- Saxena, D, Mokkapati, S, Parkinson, P et al 2013, 'Optically pumped room-temperature GaAs nanowire lasers', Nature Photonics, vol. 7, no. 12, pp. 963-968.
- Jiang, N, Gao, Q, Parkinson, P et al 2013, 'Enhanced minority carrier lifetimes in GaAs/AlGaAs core-shell nanowires through shell growth optimization', Nano Letters, vol. 13, no. 11, pp. 5135-5140.
- Mokkapati, S, Saxena, D, Tan, H et al 2013, 'Design considerations for semiconductor nanowire-plasmonic nanoparticle coupled systems for high quantum efficiency nanowires', Small, vol. 9, no. 23, pp. 3964-3969.
- Turner, S, Mokkapati, S, Jolley, G et al 2013, 'Periodic dielectric structures for light-trapping in InGaAs/GaAs quantum well solar cells', Optics Express, vol. 21, no. 9, pp. A324-A335.
- Mokkapati, S, Saxena, D, Jiang, N et al 2013, 'Multi-colour emission from GaAs core-AlGaAs shell photonic nanowires', 2013 26th IEEE Photonics Conference, IPC 2013, IEEE, Bellevue, WA, pp. 153-154.
- Fu, L, Lu, H, Li, Z et al 2013, 'Nanostructure photovoltaics based on III-V compound semiconductors', Advanced Optoelectronics for Energy and Environment, AOEE 2013, Optical Society of American (OSA), Washington, United States.
- Lunardi, L, Mokkapati, S & Jagadish, C 2013, 'Optoelectronic Devices', in Joachim N Burghartz (ed.), Guide to State-of-the-Art Electron Devices, John Wiley & Sons Inc, UK, pp. 265-274.
- Wang, H, Parkinson, P, Tian, J et al 2012, 'Optoelectronic properties of GaAs nanowire photodector', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2012), Institute of Electrical and Electronics Engineers (IEEE Inc), New Jersey USA, pp. 139-140.
- Turner, S, Mokkapati, S, Jolley, G et al 2012, 'Dielectric Diffraction Gratings for Light-Trapping in InGaAs-GaAs Quantum Well Solar Cells', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2012), Institute of Electrical and Electronics Engineers (IEEE Inc), New Jersey USA, pp. 129-130.
- Mokkapati, S, Saxena, D, Gao, Q et al 2012, 'Effect of plasmonic nanoparticles on the quantum efficiency of lll-V semiconductor nanorwire emitters', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2012), Institute of Electrical and Electronics Engineers (IEEE Inc), New Jersey USA, pp. 47-48.
- Saxena, D, Mokkapati, S, Tan, H et al 2012, 'Designing single GaAs nanowire lasers', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2012), Institute of Electrical and Electronics Engineers (IEEE Inc), New Jersey USA, pp. 101-102.
- Mokkapati, S, Lu, H, Turner, S et al 2012, 'Plasmonics for III-V semiconductor solar cells', IEEE Photonics Conference (IPC 2012), IEEE Photonics Society, Burlingame, CA, pp. 56-57.
- Lu, H, Mokkapati, S, Fu, L et al 2012, 'Plasmonic quantum dot solar cells for enhanced infrared response', Applied Physics Letters, vol. 100, no. 10, pp. 1 - 4.
- Saxena, D, Mokkapati, S & Jagadish, C 2012, 'Semiconductor Nanolasers', IEEE Photonics Journal, vol. 4, no. 2, pp. 582-585.
- Mokkapati, S, Saxena, D, Jiang, N et al 2012, 'Polarization tunable, multicolor emission from core-shell photonic III-V semiconductor nanowires', Nano Letters, vol. 12, no. 12, pp. 6428-6431.
- Chong, T, Wilson, J, Mokkapati, S, & Catchpole, K 2012, 'Optimal wavelength scale diffraction gratings for light trapping in solar cells', Journal of Optics, vol. 14, no. 2, pp. -.
- E. Wang, S. Mokkapati, T. P. White, T. Soderstrom, S. Varlamov and K. R. Catchpole, â??Light trapping with titanium dioxide diffraction gratings fabricated by nanoimprintingâ??, Progress in Photovoltaics, DOI: 10.1002/pip.2294, 2012
- Mokkapati, S & Catchpole, K 2012, 'Nanophotonic light trapping in solar cells', Journal of Applied Physics, vol. 112, p 101101.
- S. Mokkapati and K. R. Catchpole, 'Nanophotonic light trapping in solar cells', invited review article, Journal of Applied Physics, vol. 112, 101101, 2012
- T. K. Chong, J. Wilson, S. Mokkapati and K. R. Catchpole, 'Optimal wavelength scale diffraction gratings for light trapping in solar cells', Journal of Optics, vol. 14, No. 2, 024012
- Beck, F, Verhagen, E, Mokkapati, S et al 2011, 'Resonant SPP modes supported by discrete metal nanoparticles on high-index substrates', Optics Express, vol. 19, no. 6, pp. A146-A156.
- Fu, L, Mokkapati, S, Barik, S et al 2011, 'Disordering of quantum structures for optoelectronic device integration', in Pallab Bhattacharya, Roberto Fornari, and Hiroshi Kamimura (ed.), Comprehensive Semiconductor Science and Technology, Elsevier, Amsterdam Netherlands, pp. 584-621.
- Mokkapati, S, Tan, H & Jagadish, C 2011, 'Quantum Dot Integrated Optoelectronic Devices', in El-Hang Lee , Louay Eldada , Manijeh Razeghi and Chennupati Jagadish (ed.), VLSI Micro- and Nanophotonics: Science, Technology, and Applications, CRC Press LLC, Boca Raton USA, pp. 11.1-11.34.
- Fu, L, Lu, H, Mokkapati, S et al 2011, 'Plasmonic light trapping effect on properties of InGaAs/GaAs quantum dot solar cells', Photonics Society 2011 annual meeting, IEEE Photonics Society, Arlington, VA, pp. 387-388.
- Mokkapati, S, Beck, F, de Waele, R et al 2011, 'Resonant nano-antennas for light trapping in plasmonic solar cells', Journal of Physics D: Applied Physics, vol. 44, no. 18, p. 9.
- Beck, F, Mokkapati, S & Catchpole, K 2011, 'Light trapping with plasmonic particles: beyond the dipole model', Optics Express, vol. 19, no. 25, pp. 25230-25241.
- Catchpole, K, Mokkapati, S, Beck, F et al 2011, 'Plasmonics and nanophotonics for photovoltaics', MRS Bulletin, vol. 36, no. June 2011, pp. 1-7.
- K.R. Catchpole, S. Mokkapati, F.J. Beck. 2011, 'Comparing nanowire, multijunction, and single junction solar cells in the presence of light trapping', Journal of Applied Physics, vol. 109, no. 8, pp. 084519.
- S. Mokkapati, F. J. Beck and K. R. Catchpole, 'Analytical approach for design of blazed dielectric gratings for light trapping in solar cells', Journal of Physics D: Applied Physics 44, 055103, 2011
- S. Mokkapati, F. J. Beck, R. de Waele, A. Polman and K. R. Catchpole, 'Resonant nano-antennas for light trapping in plasmonic solar cells', Journal of Physics D: Applied Physics 44, 185101, 2011
- Beck, F, Mokkapati, S & Catchpole, K 2010, 'Plasmonic light-trapping for Si solar cells using self-assembled, Ag nanoparticles', Progress in Photovoltaics: Research and Applications, vol. 18, no. 7, pp. 500-504.
- Beck, F, Mokkapati, S, Polman, A et al 2010, 'Asymmetry in photocurrent enhancement by plasmonic nanoparticle arrays located on the front or on the rear of solar cells', Applied Physics Letters, vol. 96, no. 3, pp. 1-3.
- Mokkapati, S, Beck, F, Polman, A et al 2009, 'Designing periodic arrays of metal nanoparticles for light-trapping applications in solar cells', Applied Physics Letters, vol. 95, pp. 053115/1-3.
- Beck, F, Mokkapati, S, Polman, A et al 2009, 'Light Trapping For Solar Cells Using Localised Surface Plasmons in Self-Assembled Ag Nanoparticles', European Photovoltaic Solar Energy Conference EUPVSEC 2009, ed. W. Sinke, H.Ossenbrink, P.Helm, WIP-Renewable Energies, Germany, p. 4.
- Mokkapati, S & Jagadish, C 2009, 'III-V Compound SC for Optoelectronic Devices', Materials Today, vol. 12, no. 4, pp. 22-32.
- Mokkapati, S, Wong Leung, Y, Tan, H et al 2008, 'Tuning the bandgap of InAs quantum dots by selective-area MOCVD', Journal of Physics D: Applied Physics, vol. 41, no. 085104, pp. 1-4.
- Buda, M, Iordache, G, Mokkapati, S et al 2008, 'Analytical expression for the quantum dot contribution to the quasi static capacitance for conduction band characterization', Journal of Applied Physics, vol. 104, no. 2, pp. 1-11.
- Wen, X, Dao, L, Hannaford, P et al 2008, 'Electron dynamics in modulation p-doped InGaAs/GaAs quantum dots', European Physical Journal B, vol. 62, pp. 65-70.
- Buda, M, Iordache, G, Mokkapati, S et al 2008, 'Capacitance spectroscopy study of InGaAs/GaAs quantum dot structures', Journal of Optoelectronics and Advanced Materials, vol. 10, no. 2, pp. 323-326.
- Mokkapati, S, Tan, H, Jagadish, C et al 2008, 'Self-sustained output power pulsations in InGaAs quantum dot ridge-waveguide lasers', Applied Physics Letters, vol. 92, no. 021104, pp. 1-3.
- Sears, K, Mokkapati, S, Tan, H et al 2008, 'In(Ga)As/GaAs quantum dots grown by MOCVD for optoelectronic device applications', in Zhiming M. Wang (ed.), Self-Assembled Quantum Dots, Springer, New York, pp. 359-403.
- Mokkapati, S, Tan, H & Jagadish, C 2007, 'Multiple wavelength InGaAs quantum dot lasers using selective area epitaxy', Applied Physics Letters, vol. 90, pp. 171104 1-3.
- Wen, X, Dao, L, Hannaford, P et al 2007, 'The state filling effect in p-doped InGaAs/GaAs quantum dots', Journal of Physics: Condensed Matter, vol. 19, pp. 386213/ 1-10.
- Wen, X, Dao, L, Davis, J et al 2007, 'Carrier dynamics in p-type InGaAs/GaAs quantum dots', Journal of Materials Science: Materials in Electronics, vol. 18, pp. S363-S365.
- Mokkapati, S, Du, S, Buda, M et al 2007, 'Multiple Wavelength InGaAs Quantum Dot Lasers Using Ion Implantation Induced Intermixing', Nanoscale Research Letters, vol. 2, pp. 550-553.
- Mokkapati, S, Tan, H, Jagadish, C et al 2006, 'Integration of Quantum Dot devices by Selective Area Epitaxy', International Conference on Nanoscience and Nanotechnology (ICONN 2006), ed. C. Jagadish & G.Q.Max Lu, Institute of Electrical and Electronics Engineers (IEEE Inc), Brisbane Australia, pp. 442-445.
- Tan, H, Sears, K, Mokkapati, S et al 2006, 'Quantum Dots and Nanowires Grown by Metal-Organic Chemical Vapor Deposition for Optoelectronic Device Applications', IEEE Journal on Selected Topics in Quantum Electronics, vol. 12, no. 6, pp. 1242-1254.
- Mokkapati, S, Tan, H & Jagadish, C 2006, 'Integration of an InGaAs Quantum-Dot Laser with a Low-Loss Passive Waveguide using Selective-Area Epitaxy', IEEE Photonics Technology Letters, vol. 18, no. 15, pp. 1648-1650.
- Mokkapati, S, Buda, M, Tan, H et al 2006, 'Effect of Auger Recombination on the Performance of p-doped Quantum Dot Lasers', Applied Physics Letters, vol. 88, pp. 161121-1-3.
- Mokkapati, S, McGowan, P, Tan, H et al 2005, 'Selective Area Epitaxy of InGaAs Quantum Dots for Optoelectronic Device Integration', Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2004), ed. Aleksandar D. Rakic and Yew Tong Yeow, Institute of Electrical and Electronics Engineers (IEEE Inc), USA, pp. 273-275.
- Mokkapati, S, McGowan, P, Tan, H et al 2005, 'Controlling the Properties of InGaAs Quantum Dots by Selective-Area Epitaxy', Applied Physics Letters, vol. 86, no. 11, pp. 113102-1-3.
- Gao, Q, Fu, L, McGowan, P et al 2005, 'Quantum Dot Optoelectronic Devices', Microoptics Conference (MOC 2005), ed. Shinji Yamashita, Japan Society of Applied Physics, Japan, pp. J5-1-4.
- Mokkapati, S, Tan, H & Jagadish, C 2005, 'Integration of an InGaAs Quantum-Dot Laser with a Passive Waveguide using Selective-Area MOCVD', Annual Meeting of the IEEE Lasers and Electro-optics Society (LEOS 2005), ed. Ekaterina Golovchenko, Institute of Electrical and Electronics Engineers (IEEE Inc), Piscataway USA, pp. 915-916.
- Sears, K, Mokkapati, S, Buda, M et al 2005, 'Quantum Dot Lasers and Optoelectronic Device Integration', Annual Meeting of the IEEE Lasers and Electro-optics Society (LEOS 2005), ed. Ekaterina Golovchenko, Institute of Electrical and Electronics Engineers (IEEE Inc), Piscataway USA, pp. 606-608.
Projects and Grants
Grants information is drawn from ARIES. To add or update Projects or Grants information please contact your College Research Office.
- Advanced Sliver Solar Cells (Secondary Investigator)
- High efficiency III-V solar cells based on low-dimensional quantum confined heterostructures (Secondary Investigator)
