Publications

conference proceedings

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In-situ stage development for high-temperature X-ray nanocharacterization of defects in solar cells

S. Gangam, A. Jeffries, D.P. Fenning, B. Lai, T. Buonassisi, C. Honsberg, and M.I. Bertoni
Proc. 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, USA (2013)
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Decoupling surface- and bulk-limited lifetimes in 100-μm thin silicon using transient absorption pump-probe spectroscopy

S.C. Siah, C.B. Simmons, J. Hofstetter, M.T. Winkler, and T. Buonassisi
Proc. 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, USA (2013)
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Toward defining tolerances for structural defects in silicon through 2D and 3D device simulations

D. Berney Needleman, and T. Buonassisi
Proc. 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, USA (2013)
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Identifying and comparing efficiency-loss mechanisms in Earth-abundant thin-film solar cells

R.E. Brandt, M. Lloyd, Y.S. Lee, S.C. Siah, and T. Buonassisi
Proc. 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, USA (2013)
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Co-optimizing crystalline silicon solar cell throughput and efficiency using continuously ramping phosphorus diffusion profiles

A.E. Morishige, D.P. Fenning, J. Hofstetter, and T. Buonassisi
Materials Research Society Fall Meeting & Exhibit, Boston, MA (2012)
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Raman study of localized recrystallization of amorphous silicon induced by laser beam

N. Tabet, A. Al-Sayoud, S. Said, X. Yang, Y. Yang, A. Syed, E.-H. Diallo, Z. Wang, X. Wang, E.C. Johlin, C.B. Simmons, and T. Buonassisi
Proc. 38th IEEE Photovoltaic Specialists Conference, Austin, TX, USA (2011)
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High-mobility copper (I) oxide thin films prepared by reactive DC magnetron sputtering for photovoltaic applications

Y.S. Lee, M.T. Winkler, S.C. Siah, R.E. Brandt, and T. Buonassisi
Proc. 37th IEEE Photovoltaic Specialists Conference Seattle, WA, USA (2011)
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Deployment of impurity-to-efficiency (I2E) simulation tool

D.M. Powell, D.P. Fenning, V. Rose, M. Holt, J. Maser, and T. Buonassisi
Proc. 37th IEEE Photovoltaic Specialists Conference Seattle, WA, USA (2011)
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Synchrotron-based characterization of solar cell nanodefects

M.I. Bertoni, D.P. Fenning, V. Rose, M. Holt, J. Maser, and T. Buonassisi
Proc. 37th IEEE Photovoltaic Specialists Conference, Seattle, WA, USA (2011)
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Effective iron gettering in lightly-doped emitters

D.P. Fenning, and T. Buonassisi
Proc. 37th IEEE Photovoltaic Specialists Conference, Seattle, WA, USA (2011)
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Stress and temperature coupling effects on dislocation density reduction in multicrystalline silicon

S. Castellanos, M.I. Bertoni, M.L. Vogl, A. Fecych, and T. Buonassisi
Proc. 35th IEEE Photovoltaic Specialists Conference, Honolulu, HI, USA (2010)
See also: Journal Article
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Impact of defect type on hydrogen passivation effectiveness in multicrystalline silicon solar cells

M.I. Bertoni, S. Hudelson, B.K. Newman, S. Bernardis, D.P. Fenning, H.F.W. Dekkers, E. Cornagliotti, A.S. Zuschlag, G. Micard, G. Hahn, G. Coletti, B. Lai, and T. Buonassisi
Proc. 35th IEEE Photovoltaic Specialists Conference Honolulu, HI (2010)
See also: Journal Article
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Quantitative stress measurements of bulk microdefects in multicrystalline silicon

S. Schoenfelder, A. Sampson, V. Ganapati, R. Koepge, S. Castellanos, S. Oener, and T. Buonassisi
Proc. 24th European Photovoltaic Solar Energy Conference, Hamburg, Germany; pp.977-980. (2009)
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Earth-abundant materials for high-efficiency heterojunction thin-film solar cells

Y.S. Lee, M.I. Bertoni, M.K. Chan, G. Ceder, and T. Buonassisi
Proc. 34th IEEE Photovoltaic Specialists Conference, Philadelphia, PA, USA; pp.696–699 (2009)
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Mitigating the “iron problem” in crystalline silicon solar cells

S. Hudelson, S. Bernardis, Y.S. Lee, K. Hartman, M.I. Bertoni, B.K. Newman, M.A. Marcus, B. Lai, S. Vogt, Z. Cai, and T. Buonassisi
Proc. 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain (2008)
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Defect redistribution by low temperature anneal in ingot silicon solar cells

M. Rinio, A. Yodyunyong, M. Pirker, S. Keipert, P. Wang, T. Buonassisi, and D. Borchert
Proc. 23rd European Photovoltaic Solar Energy Conference and Exhibition, Valencia, Spain (2008)
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Luminescence imaging

T. Trupke, R.A. Bardos, M.D. Abbott, E. Pink, Y. Augarten, F.W. Chen, J.E. Cotter, M. Kasemann, M.C. Schubert, M. The, S.W. Glunz, W. Warta, M. Rüdiger, E. Schäffer, P. Würfel, D. Macdonald, J. Tan, A. Cuevas, J. Bauer, O. Breitenstein, T. Buonassisi, A.M. Lorenz, and H.P. Hartmann
Proc. 22nd European Photovoltaic Solar Energy Conference and Exhibition, Milan, Italy (2007)
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Intermetallic phases and transition metal interaction in mc-silicon

M. Heuer, S. Langkau, T. Buonassisi, A.A. Istratov, A. Minor, and E.R. Weber
Proc. 22nd European Photovoltaic Solar Energy Conference and Exhibition, Milan, Italy (2007)
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Evolution of stresses in wafer bulks and edges during industrial solar cell processing

T. Buonassisi, S. Reitsma, R. Sweeney, M.D. Pickett, W. Huang, J. Lesniak, and M.L. Spencer
Proc. 22nd European Photovoltaic Solar Energy Conference and Exhibition, Milan, Italy (2007)
See also: Presentation
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From understanding towards engineering metal impurities in multicrystalline silicon

T. Buonassisi, A.A. Istratov, M. Heuer, M.D. Pickett, M.A. Marcus, B. Lai, S.M. Heald, and E.R. Weber
Proc. 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany; pp.696-699 (2006)
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Nature, impact, and remediation of the principal lifetime-limiting defects in String Ribbon material

T. Buonassisi, A.M. Lorenz, and G.J. Tarnowski
Proc. 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany; pp.1505–1507 (2006)
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Transition metal interaction and formation of intermetallic phases in multicrystalline silicon

M. Heuer, T. Buonassisi, M.A. Marcus, A.A. Istratov, M.D. Pickett, A. Minor, B. Lai, and E.R. Weber
Proc. 21st European Photovoltaic Solar Energy Conference and Exhibition, Dresden, Germany; pp.1105–1107 (2006)
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Correlations between structural, impurity, and electrical properties in efficiency-limiting “defect bands” in string ribbon silicon

T. Buonassisi, G. Hahn, and A.M. Gabor
Proc. 20th European Photovoltaic Solar Energy Conference and Exhibition, Barcelona, Spain (2005)
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Technology choices for the PV industry: A comparative life cycle environmental impact perspective

T. Williams, S. Boyd, and T. Buonassisi
Proc. 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain (2005)
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Distinguishing the impacts of individual metal species on multicrystalline silicon performance in a multiple metal environment

T. Buonassisi, A.A. Istratov, M. Heuer, M.D. Pickett, and E.R. Weber
Proc. 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain (2005)
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Synchrotron-based investigations into metallic impurity distribution and defect engineering in multicrystalline silicon via thermal treatments

T. Buonassisi, A.A. Istratov, M.A. Marcus, S. Peters, C. Ballif, M. Heuer, T.F. Ciszek, Z. Cai, B. Lai, R. Schindler, and E.R. Weber
Proc. 31st IEEE Photovoltaic Specialists Conference, Lake Buena Vista, USA; pp.1027–1030 (2005)
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Impact of iron contamination in multicrystalline silicon solar cells: Origins, chemical states, and device impacts

T. Buonassisi, M. Heuer, A.A. Istratov, M.A. Marcus, R. Jonczyk, B. Lai, Z. Cai, J. Isenberg, W. Warta, R. Schindler, and E.R. Weber
Proc. 19th European Photovoltaic Solar Energy Conference, Paris, France; pp.488–491 (2004)
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Defects in the deteriorated border layer of block-cast multicrystalline silicon ingots

M. Rinio, C. Ballif, T. Buonassisi, and D. Borchert
Proc. 19th European Photovoltaic Solar Energy Conference, Paris, France; pp.762–765 (2004)
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Application of x-ray synchrotron techniques to the characterization of the chemical nature and recombination activity of grown-in and process-induced defects and impurities in solar cells

T. Buonassisi, O.F. Vyvenko, A.A. Istratov, E.R. Weber, and R. Schindler
MRS Symposium Proceedings 719, 179 (2002)