Rafell Williams - Research Output - National Renewable Energy Laboratory

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EmailRafell.Williamsnrelgov

Research Activity per Year

5 Paper
5 Article

10 Results

2023
Impact of Irradiation-Induced Filter Heating on Calibration of NIR-Longpass-Filtered Reference Solar Cells
Song, T., Williams, R., Ottoson, L., Mack, C., Geisz, J., Brewer, J. & Kopidakis, N., 2023, In: IEEE Journal of Photovoltaics. 13, 6, p. 793-799 7 p.
Research output: Contribution to journal › Article › peer-review
1 Scopus Citations
Impact of Irradiation-Induced Filter Heating on Calibration of NIR-Longpass-Filtered Reference Solar Cells
Song, T., Williams, R., Ottoson, L., Mack, C., Geisz, J., Brewer, J. & Kopidakis, N., 2023, In: IEEE Journal of Photovoltaics. 13, 6, p. 793-799 7 p.
Research output: Contribution to journal › Article › peer-review
1 Scopus Citations
Improved Primary Reference Cell Calibrations for Higher Accuracy Photovoltaic Cell and Module Performance Measurements: Article No. 2300379
Osterwald, C., Ottoson, L., Williams, R., Mack, C., Brewer, J., Kopidakis, N. & Song, T., 2023, In: Solar RRL. 7, 19, 11 p.
Research output: Contribution to journal › Article › peer-review
1 Scopus Citations
2022
Evaluation of an LED Simulator for Single- and Multi-Junction PV Cell Performance Testing
Kopidakis, N., Song, T., Mack, C., Williams, R., Friesen, H., Bertagnolli, J. & Walmsley, J., 2022, p. 814-818. 5 p.
Research output: Contribution to conference › Paper › peer-review
How Should Researchers Measure Perovskite-Based Monolithic Multijunction Solar Cells' Performance? A Calibration Lab's Perspective
Song, T., Mack, C., Williams, R., Friedman, D. & Kopidakis, N., 2022, In: Solar RRL. 6, 12, 15 p., 2200800.
Research output: Contribution to journal › Article › peer-review

Open Access
6 Scopus Citations
Statistical Performance Analysis on Approximately 320 Perovskite Single- and Two-Junction Solar Cells and Modules from >30 Global Sources
Song, T., Mack, C., Williams, R., Gallon, J., Anderberg, A., Ottoson, L., Friedman, D. & Kopidakis, N., 2022, p. 766-768. 3 p.
Research output: Contribution to conference › Paper › peer-review
2018
Primary Reference Cell Calibrations with Reduced Measurement Uncertainty
Osterwald, C., Ottoson, L., Williams, R., Mack, C., Emery, K. & Levi, D., 2018, p. 490-495. 6 p.
Research output: Contribution to conference › Paper
2015
On the Reliability of Photovoltaic Short-Circuit Current Temperature Coefficient Measurements
Osterwald, C. R., Campanelli, M., Kelly, G. J. & Williams, R., 14 Dec 2015. 6 p.
Research output: Contribution to conference › Paper › peer-review
15 Scopus Citations
Temperature-Dependent Spectral Mismatch Corrections
Osterwald, C. R., Campanelli, M., Moriarty, T., Emery, K. A. & Williams, R., 2015, In: IEEE Journal of Photovoltaics. 5, 6, p. 1692-1697 6 p., 7210143.
Research output: Contribution to journal › Article › peer-review

Open Access
22 Scopus Citations
2013
Rating Photovoltaics
Emery, K., Anderberg, A., Campanelli, M., Ciszek, P., Mack, C., Moriarty, T., Osterwald, C., Ottoson, L., Rummel, S. & Williams, R., 2013, p. 1-6. 6 p.
Research output: Contribution to conference › Paper › peer-review
3 Scopus Citations