Ongoing Project

• Silicon solar cells with carrier selective contacts, funded by CERI DST, 2016-2019

Teaching Experience

• Device electronics for integrated circuits
• Microelectronic circuit practicum
• Photovoltaic materials and fabrication

Journal Publications (published)

• S. Dhar, C. Banerjee, H. Saha and K. Ghosh, "Modeling and Analysis of Lifetime Curve of Amorphous Silicon/Crystalline Silicon Heterostructure Solar Cell," in IEEE Transactions on Electron Devices, vol. 63, no. 10, pp. 3996-4002, Oct. 2016.
• J. J. Williams, T. L. Williamson, M. A. Hoffbauer, A. M. Fischer, S. M. Goodnick, N. N. Faleev, K. Ghosh, and C. B. Honsberg, “Inducing a junction in n-type InxGa1−xN,” Journal of Vacuum Science & Technology B, vol. 31, no. 3, p. 03C127, Apr. 2013.
• K. Ghosh, S. Bowden, and C. Tracy, “Role of hot carriers in the interfacial transport in amorphous silicon/crystalline silicon heterostructure solar cells,” physica status solidi (a), vol. 210, no. 2, pp. 413–419, 2013.
• S.P. Bremner, K. Ghosh, L. Nataraj, S.G. Cloutier, C.B. Honsberg, “Influence of Sb/As soak times on the structural and optical properties of GaAsSb/ GaAs interfaces,” Thin Solid Films, Vol. 519, No.1, pp. 64-68
• S. P. Bremner, G. M. Liu, N. Faleev, K. Ghosh, and C. B. Honsberg, “Growth and characterization of GaAs1−xSbx barrier layers for advanced concept solar cells,” J. Vac. Sci. Technol. B 26, 1149 (2008)

• 1. P. Muralidharan, K. Ghosh, D. Vasileska and S. M. Goodnick, "Hot hole transport in a-Si/c-Si heterojunction solar cells," 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), Denver, CO, 2014, pp. 2519-2523.
• S. Limpert, K. Ghosh, H. Wagner, S. Bowden, C. Honsberg, S. Goodnick, S. Bremner, A. Ho-Baillie, M. Green, "Results from coupled optical and electrical sentaurus TCAD models of a gallium phosphide on silicon electron carrier selective contact solar cell," 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), Denver, CO, 2014, pp. 0836-0840.
• J. Williams, A. Jeffries, L, Ding, S. Gangam, K. Ghosh, T. Williamson, M. Bertoni, C. Honsberg, "Structural and optical investigations of GaN-Si interface for a heterojunction solar cell," 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), Denver, CO, 2014, pp. 0841-0843
• K. Ghosh, C.Tracy, S. Goodnick, S. Bowden, "Effect of band bending and band offset in the transport of minority carriers across the ordered/disordered interface of a-Si/c-Si heterojunction solar cell," Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE, 3-8 June 2012.
• K. Ghosh, C. Tracy, S. Bowden, "Experimental and theoretical verification of the presence of inversion region in a-Si/c-Si heterojunction solar cells with an intrinsic layer," Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE, 3-8 June 2012
• S. Bremner, K. Ghosh, N. Ekins-Daukes, C. Honsberg, S. Goodnick, "Issues in the physical measurement of the intermediate band effect," Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE, 3-8 June 2012
• K. Ghosh, Nam-Kyu Song, Min-Seok Oh, Dong-Seop Kim, S. Bowden, "Extraction of recombination parameters of amorphous silicon/crystalline silicon solar cell from lifetime spectroscopy," Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE, 19-24 June 2011.
• K. Ghosh, C. Honsberg, "Absorption coefficient for Multiple-Quasi Fermi level system in quantum well," Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE , 19-24 June 2011
• K. Ghosh, C. Tracy, S. Herasimenka, C. Honsberg, S. Bowden, "Explanation of the device operation principle of amorphous silicon/ crystalline silicon heterojunction solar cell and role of the inversion of crystalline silicon surface," Photovoltaic Specialists Conference (PVSC), 2010 35th IEEE , 20-25 June 2010.
• K. Ghosh, C. Tracy, B. Dauksher, S. Herasimenka, C. Honsberg, S. Bowden,"Determination of charged state density at the interface between amorphous silicon and crystalline silicon by lateral conductance," Photovoltaic Specialists Conference (PVSC), 2010 35th IEEE, 20-25 June 2010.
• K. Ghosh, S. Bremner, C. Honsberg, “Material Selection for three level transition in Quantum Well”,33rd IEEE PVSC, California, 2008

• K. Ghosh, S. Bowden, C. Honsberg, “Carrier Selective Contact,” Patent Application filed on Nov. 2013 to U.S Patent and Trademark Office