53
Metal particle evolution during solar cell processing in multicrystalline silicon
T. Buonassisi,
M.D. Pickett,
A.A. Istratov,
E. Sauar,
T.C. Lommasson,
R.F. Clark,
S. Narayanan,
S.M. Heald, and
E.R. Weber
(2005)
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.174-177 (2005).
43
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)
41
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)
35
T. Buonassisi,
O.F. Vyvenko,
A.A. Istratov,
E.R. Weber,
G. Hahn,
D. Sontag,
J. Rakotoniaina,
O. Breitenstein,
J. Isenberg, and
R. Schindler
Proc. 3rd World Photovoltaic Specialists Conference (WCPEC-3),
Osaka, Japan; pp.1120-1123
(2003)
31
Co-optimizing the phosphorous diffusion time-temperature profile for gettering and throughput
A.E. Morishige,
D.P. Fenning,
J. Hofstetter, and
T. Buonassisi
5th International Workshop on Crystalline Silicon Solar Cells - CSSC-5 , Boston, USA 1–3 November (2011)
28
Reducing the concentration of interstitial iron in crystalline silicon solar cells via low (≤ 500°C) temperature annealing
T. Buonassisi,
M.D. Pickett, and
R. Sweeney
17th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO (2007).
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27
Synchrotron-based infrared spectromicroscopy of oxygen gettering by grain boundaries in multicrystalline silicon
M.D. Pickett,
T. Buonassisi,
A.A. Istratov,
R.F. Clark,
S. Narayanan, and
E.R. Weber
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.178-181 (2005).
26
Efficiency-limiting ‘defect bands’ in string ribbon silicon: correlations between structural, impurity, and electrical properties
T. Buonassisi,
G. Hahn,
A.M. Gabor,
J. Schischka,
A.A. Istratov,
M.D. Pickett, and
E.R. Weber
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.170-173 (2005).
24
Assessing the role of impurities in silicon nitride crucible lining material as a potential source of metal contamination in photovoltaic-grade ingot-cast multicrystalline silicon
T. Buonassisi,
A.A. Istratov,
M.D. Pickett,
J. Rakotoniaina,
O. Breitenstein,
M.A. Marcus,
S.M. Heald, and
E.R. Weber
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.162-165 (2005).
23
EXAFS studies on Ni11.6Fe2.8Cu0.4Si27.6 precipitates in multicrystalline silicon
M. Heuer,
T. Buonassisi,
M.A. Marcus,
A.A. Istratov,
M.D. Pickett, and
E.R. Weber
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.158-161 (2005).
22
Transition metals in silicon solar cells: sources of contamination, interactions, defect engineering
A.A. Istratov,
T. Buonassisi,
M. Heuer,
M.D. Pickett, and
E.R. Weber
15th workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes, Editor: B.L.Sopori, NREL, Golden, CO, pp.70-77 (2005).
20
The impact of chemical state and thermal stability of metal precipitates on gettering efficiency in silicon
A.A. Istratov,
T. Buonassisi, and
E.R. Weber
Proc. 4th International Symposium on Advanced Science and Technology of Silicon Materials, Kona, Hawaii, USA (2004).
19
The impact of metal impurity clusters on solar cell performance in multicrystalline silicon
T. Buonassisi,
A.A. Istratov, and
E.R. Weber
Proc. 2004 National Center for Photovoltaics Review Meeting, Denver, USA (2004).
18
Differences and similarities between metal clusters in mc-Si materials from different manufacturers
T. Buonassisi,
A.A. Istratov,
T.F. Ciszek,
D.W. Cunningham,
A.M. Gabor,
R. Jonczyk,
R. Schindler,
M. Sheoran,
A. Upadhyaya,
A. Rohatgi,
B. Lai,
Z. Cai,
M.A. Marcus, and
E.R. Weber
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.226-229 (2004).
17
Aluminum gettering and dissolution of Cu3Si precipitates in silicon
T. Buonassisi,
A.A. Istratov, and
E.R. Weber
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.222-225 (2004).
16
Stress-induced nitrogen and oxygen segregation and complexing investigated by high resolution synchrotron FTIR
A. Karoui,
T. Buonassisi,
F. Sahtout Karoui,
G.A. Rozgony,
M.C. Martin,
E.R. Weber, and
T.F. Ciszek
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.204-207 (2004).
15
Dependence of precipitation behavior of Cu and Ni in CZ and multicrystalline silicon on cooling conditions
A.A. Istratov,
T. Buonassisi,
M.A. Marcus,
T.F. Ciszek, and
E.R. Weber
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.165-169 (2004).
14
Distribution and chemical state of Cu-rich clusters in silicon
T. Buonassisi,
M.A. Marcus,
A.A. Istratov,
M. Heuer,
T.F. Ciszek,
B. Lai,
Z. Cai, and
E.R. Weber
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.161-164 (2004).
13
Transition metals in multicrystalline solar cells: Understanding the nature, origins and impacts of metal contamination in multicrystalline Si and minimizing its impact on solar cell performance
T. Buonassisi,
A.A. Istratov, and
E.R. Weber
Proc. 14th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Winter Park, CO, pp.17-26 (2004).
12
Neutron activation analysis study of metal content of multicrystalline silicon for cost-efficient solar cells
A.A. Istratov,
T. Buonassisi,
R.J. McDonald,
A.R. Smith,
R. Schindler,
J.A. Rand,
J.P. Kalejs, and
E.R. Weber
Proc. 13th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Vail, CO, pp.158-161 (2003).
11
Experimental procedure for determination of the depth of metal clusters in XBIC/µ-XRF mapping of metal clusters in silicon solar cells
O.F. Vyvenko,
T. Buonassisi,
A.A. Istratov, and
E.R. Weber
Proc. 13th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Vail, CO, pp.102-105 (2003).
10
Statistically meaningful data on the chemical state of iron precipitates in processed multicrystalline silicon using synchrotron-based x-ray absorption spectroscopy
T. Buonassisi,
M. Heuer,
A.A. Istratov,
E.R. Weber,
Z. Cai,
B. Lai,
M.A. Marcus,
J. Lu,
G.A. Rozgony,
R. Schindler,
R. Jonczyk, and
J. Rand
Proc. 13th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Vail, CO, pp.96-101 (2003).
9
Impact of metal impurities on solar cell performance
A.A. Istratov,
T. Buonassisi,
E.R. Weber,
R.J. McDonald,
A.R. Smith,
R. Schindler,
J. Isenberg,
J.P. Kalejs,
J. Rand,
P.Geiger,
G. Hahn,
J. Rakotoniaina, and
O. Breitenstein
Proc. 2003 National Center for Photovoltaics Review Meeting, Denver, USA (2003).
8
Application of synchrotron radiation based x-ray microprobe techniques for the analysis of recombination activity of metals precipitated at Si/SiGe misfit dislocations
O.F. Vyvenko,
T. Buonassisi,
A.A. Istratov,
E.R. Weber,
M. Kittler, and
W. Seifert
Proc. 12th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Breckenridge, CO, pp.111-116 (2002).
7
Application of x-ray fluorescence technique to studies of aluminum gettering in silicon
Proc. 12th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Breckenridge, CO, pp.271-274 (2002).
6
Analysis of shunts in multicrystalline silicon solar cells using microprobe x-ray fluorescence technique
T. Buonassisi,
O.F. Vyvenko,
A.A. Istratov,
E.R. Weber,
R. Schindler, and
G. Hahn
Proc. 12th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Breckenridge, CO, pp.266-270 (2002).
5
Application of x-ray fluorescence microprobe technique for the analysis of fully processed solar cells
O.F. Vyvenko,
A.A. Istratov,
T. Buonassisi,
E.R. Weber, and
R. Schindler
Proc. 11th workshop on crystalline silicon solar cell materials and processes, B. L. Sopori, Editor, NREL, Golden, CO, pp.172-176 (2001).
4
The bright future of silicon-based photovoltaics
Invited talk at the Intersolar North America Conference, San Francisco, California, USA (2008).
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3
Electrical and mechanical defects in solar cell materials and devices
Invited talk at the 4th Workshop on the Future Direction of Photovoltaics, Japanese Society for the Promotion of Science, Tokyo, Japan (2008).
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