Manuscripts and Articles

  1. Gregory Kimball, Ivan Goldwasser, Lawrence Mitchell and Zach Puller. Efficient ETL with Polars and Apache Spark on NVIDIA Grace CPU”, NVIDIA Developer Blog, 2025. Link.
  2. Karthikeyan Natarajan, Shruti Shivakumar, Gregory Kimball. “JSON Lines Reading with pandas 100x Faster Using NVIDIA cuDF”, NVIDIA Developer Blog, 2025. Link.
  3. Bradley Dice, Yunsong Wang, Srinivas Yadav Singanaboina, Gregory Kimball. “Supercharging Deduplication in pandas Using RAPIDS cuDF”, NVIDIA Developer Blog, 2024. Link.
  4. Gregory Kimball, David Wendt. “Scaling Up to One Billion Rows of Data in pandas using RAPIDS cuDF”, NVIDIA Developer Blog, 2024. Link.
  5. Gregory Kimball, Muhammad Haseeb, Vukasin Milovanovic. “Encoding and Compression Guide for Parquet String Data Using RAPIDS”, NVIDIA Developer Blog, 2024. Link.
  6. Gregory Kimball, Divye Gala, Karthikeyan Natarajan, Nghia Truong, Bradley Dice, Vyas Ramasubramani. “Streamline ETL Workflows with Nested Data Types in RAPIDS libcudf”, NVIDIA Developer Blog, 2023. Link.
  7. Bobbi Yogatama, Brandon Miller, Yunsong Wang, Graham Markall, Jacob Hemstad, Gregory Kimball, Xiangyao Yu. “Accelerating User-Defined Aggregate Functions (UDAF) with Block-wide Execution and JIT Compilation on GPUs”, DaMoN ’23: Proceedings of the 19th International Workshop on Data Management on New Hardware, June 2023. Link.
  8. Gregory Kimball, Elias Stehle, Karthikeyan Natarajan, “GPU-Accelerated JSON Data Processing with RAPIDS”, NVIDIA Developer Blog, 2023. Link.
  9. Gregory Kimball, “RAPIDS cuDF for accelerated data science on Google Colab”, Published in Google Colab – Medium, Dec 13 2022. Link.
  10. David Wendt, Gregory Kimball, “Mastering String Transformations in RAPIDS libcudf”, NVIDIA Developer Blog, 2022. Link.
  11. Vukasin Milovanovic, Devavret Makkar, Gregory Kimball, “Boosting Data Ingest Throughput with GPUDirect Storage and RAPIDS cuDF”, NVIDIA Developer Blog, 2022. Link.
  12. Gregory M. Kimball, Camille M. Pauchet, Rasoul Ghadami, Alberto Fonts Zaragoza, “Synthesis of multi-year PV production data using generative adversarial networks”, Conference Record of the Forty-Eighth IEEE Photovoltaics Specialists Conference, 2021. PDF. YouTube. Slides.
  13. Dirk C. Jordan, Chris Deline, Michael G. Deceglie, Ambarish Nag, Gregory M. Kimball, Adam B. Shinn, et al., “Reducing Interanalyst Variability in Photovoltaic Degradation Rate Assessments”, IEEE Journal of Photovoltaics, 2019. PDF.
  14. Amir Asgharzadeh, Marc Abou Anoma, Adam Hoffman, Chetan Chaudhari, Sushrut Bapat, Richard Perkins, Dan Cohen, Gregory M. Kimball, Dan Riley, Fatima Toor, Ben Bourne, “A Benchmark and Validation of Bifacial PV Irradiance Models”, Conference Record of the Forty-Sixth IEEE Photovoltaics Specialists Conference, 2019. PDF.
  15. Chetan Chaudhari, Tamir Lance, Gregory M. Kimball, Ben Bourne, “PVOPEL: A Scalable Opto-Electrical Performance Model of PV systems using Ray Tracing and PVMismatch”, Conference Record of the Forty-Sixth IEEE Photovoltaics Specialists Conference, 2019. PDF.
  16. Gregory M. Kimball, Chetan Chaudhari, Patrick Keelin, Mark Grammatico, Ben Bourne, “Improved model of solar resource variability based on aggregation by region and climate zone”, Conference Record of the World Conference on Photovoltaic Energy Conversion, 2018. PDF. Presentation.
  17. Chetan Chaudhari, Gregory M. Kimball, Raymond Hickey, Ben Bourne, “Quantification of System-Level Mismatch Losses using PVMismatch”, Conference Record of the World Conference on Photovoltaic Energy Conversion, 2018. PDF.
  18. Defne Gun, Mike Anderson, Greg Kimball, Ben Bourne, “Dynamic Snow Loss Model in PVSim: Modeling Impact of Snow on PV Production”, Conference Record of the World Conference on Photovoltaic Energy Conversion, 2018. PDF.
  19. Gregory M. Kimball, Chetan Chaudhari, Patrick Keelin, John Dise, Mark Grammatico, Ben Bourne, “Improved model of solar resource variability based on regional aggregation by climate zone”, 10th PV Performance Modeling and Monitoring Workshop, 2018. PDF. Event Link.
  20. Dirk C. Jordan, Chris Deline, Sarah R. Kurtz, Gregory M. Kimball, Mike Anderson, “Robust PV Degradation Methodology and Application”, IEEE Journal of Photovoltaics, 2018. PDF.
  21. Mark M. Mikofski, Clifford W. Hansen, William F. Holmgren, Gregory M. Kimball, “Use of Measured Aerosol Optical Depth and Precipitable Water to Model Clear Sky Irradiance”, Conference Record of the Forty-Fourth IEEE Photovoltaics Specialists Conference, 2017. PDF.
  22. Gregory M. Kimball, Dirk C. Jordan, Chris Deline, “Clear sky irradiance and temperature models for mitigating sensor drift in PV system degradation analysis,” 8th PV Performance Modeling and Monitoring Workshop, 2017. PDF. Event Link.
  23. Gregory M. Kimball, Shuying Yang, Ajay Saproo, “Global acceleration factors for damp heat tests of PV modules”, Conference Record of the Forty-Third IEEE Photovoltaics Specialists Conference, 2016. PDF. PPT.
  24. Gregory M. Kimball, Paola C. Murcia, Shefali Chandra, Atiye Bayman, “Methodology for improved cell integration based on distributed element circuit analysis”, Conference Record of the Forty-Second IEEE Photovoltaic Specialists Conference, 2015. PDF
  25. Gregory M. Kimball, Neil Mackie, Magdalena Parker, Atiye Bayman, “Evaluation of Micro- and Nanoscale Uniformity in All-PVD Cu(In,Ga)Se2 Solar Cells”, Conference Record of the Fortieth IEEE Photovoltaic Specialists Conference, 2014. PDF
  26. Jeffrey P. Bosco, Gregory M. Kimball, Nathan S. Lewis, Harry A. Atwater, “Pseudomorphic growth and strain relaxation of α-Zn3P2 on GaAs(001) by molecular beam epitaxy”, Journal of Crystal Growth 363 (2013).  PDF
  27. David Jackrel, Ben Cardozo, Francois Jacob, Gregory Brown, Peter Stone, Jacob Woodruff, Gregory Kimball, et al., “Roll-to-Roll Printed Solar Cells: Up-Scaling from Laboratory to Megawatts of Production”, Conference Record of the 27th European Photovoltaic Solar Energy Conference and Exhibition, 2012. PDF
  28. Gregory M. Kimball, Jeffrey P. Bosco, Astrid M. Muller, Syed F. Tajdar, Bruce S. Brunschwig, Harry A. Atwater, Nathan S. Lewis, “Passivation of Zn3P2 substrates by aqueous chemical etching and air oxidation”, Journal of Applied Physics 112, 106101 (2012).  PDF
  29. Jeffrey P. Bosco, Steven B. Demers, Gregory M. Kimball, Nathan S. Lewis, Harry A. Atwater, “Band alignment of epitaxial ZnS/Zn3P2 heterojunctions”, Journal of Applied Physics 112, 093703 (2012).  PDF
  30. Gregory M. Kimball, Nathan S. Lewis, Harry A. Atwater, “Direct Evidence of Mg-Zn-P formation in Mg/Zn3P2 solar cells”, Conference Record of the Thirty-seventh IEEE Photovoltaic Specialists Conference, 2011.  PDF
  31. Marina S. Leite, Emily C. Warmann, Gregory M. Kimball, Stanely P. Burgos, Dennis M. Callahan, Harry A. Atwater, “Wafer-scale strain engineering of ultrathin semiconductor crystalline layers”, Adv. Mater., 2011, 23, 3801-3807.  PDF
  32. Chengxiang Xiang, Gregory M. Kimball, Ronald L. Grimm, Harry A. Atwater, Nathan S. Lewis, “820 mV Open-Circuit Voltages from Cu2O/CH3CN Junctions”, Energy, Environ. Sci., 2011, 4(4), 1311-1318.  PDF
  33. Gregory M. Kimball, Nathan S. Lewis, Harry A. Atwater, “Mg Doping and Alloying in Zn3P2 Heterojunction Solar Cells”, Conference Record of the Thirty-fifth IEEE Photovoltaic Specialists Conference, 2010.  PDF
  34. Adele C. Tamboli, Manav Malhotra, Gregory M. Kimball, Daniel D. Turner-Evans, Harry A. Atwater, “Conformal GaP layers on Si wire arrays for solar energy applications”, Applied Physics Letters, 97, 221914, 2010.  PDF
  35. Gregory M. Kimball, Astrid M. Müller, Nathan S. Lewis, Harry A. Atwater, “Photoluminescence-based measurements of the energy gap and diffusion length of Zn3P2”, Applied Physics Letters 95, 112103, 2009.  PDF
  36. Gregory M. Kimball, Nathan S. Lewis, Harry A. Atwater, “Synthesis and Surface Chemistry of Zn3P2”, Conference Record of the Thirty-third IEEE Photovoltaic Specialists Conference, 2008.  PDF
  37. Y. N. Daniel Wang, Gregory Kimball, Amar S. Prashad, Yan Wang, “Zr-Mediated hydroboration: stereo-selective synthesis of vinyl boronic esters”, Tetrahedron Letters, 2005, 46 (50), 8777.  PDF

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