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Category Archives: Publications
Apr 15, 2013 Ultrathin amorphous zinc-tin-oxide buffer layer for enhancing heterojunction interface quality in metal-oxide solar cells
Posted in Journal Publications, Publications
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Mar 14, 2013 Residual stress and dislocations density in silicon ribbons grown via optical zone melting
Posted in Journal Publications
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Mar 11, 2013 Modeling integrated photovoltaic–electrochemical devices using steady-state equivalent circuits
Featured in MIT News
Feb 9, 2013 Enhancing the efficiency of SnS solar cells via band-offset engineering with a zinc oxysulfide buffer layer
Posted in Journal Publications, Publications
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Feb 4, 2013 Co-Optimizing Crystalline Silicon Solar Cell Throughput and Efficiency Using Continuously Ramping Phosphorus Diffusion Profiles
Posted in Conference Proceedings, Publications
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Feb 4, 2013 Co-optimizing the Phosphorous Diffusion Time-Temperature Profile for Gettering and Throughput
Posted in Publications, Workshop Proceedings
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Jan 31, 2013 Precipitated Iron: A Limit on Gettering Efficacy in Multicrystalline Silicon
Posted in Journal Publications, Publications
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Jan 30, 2013 Organic Vapor Passivation of Silicon at Room Temperature
Featured in MIT News
Posted in Journal Publications, Publications
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Jan 22, 2013 Analysis of the Evolution of Iron Precipitates in Multicrystalline Silicon During Solar Cell Processing
Posted in Journal Publications, Publications
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Jan 15, 2013 Modeling the Cost and Minimum Sustainable Price of Crystalline Silicon Photovoltaic Manufacturing in the United States
For the model and additional information please visit the MIT PV Lab TMA page.
Posted in Journal Publications, Publications
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Jan 14, 2013 Low contact resistivity of metals on nitrogen-doped cuprous oxide (Cu2O) thin-films
Posted in Journal Publications, Publications
Tagged Cuprous Oxide, thin film, Thin-film solar cells
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Nov 19, 2012 Dislocation Density Reduction During Impurity Gettering in Multicrystalline Silicon
Posted in Journal Publications, Publications
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Oct 9, 2012 Rapid dislocation-density mapping of as-cut crystalline-silicon wafers
Posted in Publications, Workshop Proceedings
Tagged Characterization, Dislocations, silicon
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Aug 14, 2012 Engineering metal precipitate size distributions to enhance gettering in multicrystalline silicon
Posted in Journal Publications, Publications
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Jun 21, 2012 Simulated Co-Optimization of Crystalline Silicon Solar Cell Throughput and Efficiency Using Continuously Ramping Phosphorus Diffusion Profiles
Posted in Conference Proceedings, Publications
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Mar 12, 2012 Controlling dopant profiles in hyperdoped silicon by modifying dopant evaporation rates during pulsed laser melting.
Mar 3, 2012 Synchrotron-based microprobe investigation of impurities in raw quartz- and carbon-bearing feedstock materials for photovoltaic applications.
Posted in Journal Publications, Publications
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Mar 3, 2012 Crystalline silicon photovoltaics: A cost analysis framework for determining technology pathways to reach baseload electricity costs.
Featured in The Economist, Tech Review
Posted in Highlights, Journal Publications, Publications
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Jan 9, 2012 High photocurrent in silicon photoanodes catalyzed by iron-oxide thin films for water splitting.
Posted in Journal Publications, Publications
Tagged photoelectrochemistry, water splitting
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Oct 3, 2011 Soft x-ray emission spectroscopy studies of the electronic structure of silicon supersaturated with sulfur.
Oct 2, 2011 Nanoprobe X-ray fluorescence characterization of defects in large-area solar cells.
Posted in Journal Publications, Publications
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Aug 31, 2011 SnS thin-films by RF sputtering at room temperature.
Posted in Journal Publications, Publications
Tagged chalcogenide, thin film, tin monosulfide, tin sulfide
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Aug 16, 2011 Towards the tailoring of P diffusion gettering to as-grown silicon material properties.
Posted in Journal Publications, Publications
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Aug 15, 2011 Extended infrared photoresponse and gain in chalcogen-supersaturated silicon photodiodes.
Jun 24, 2011 High-mobility copper (I) oxide thin films prepared by reactive DC magnetron sputtering for photovoltaic applications.
Jun 24, 2011 Deployment of impurity-to-efficiency (I2E) simulation tool.
Posted in Conference Proceedings, Publications
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Jun 24, 2011 Synchrotron-based characterization of solar cell nanodefects.
Posted in Conference Proceedings, Publications
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Jun 24, 2011 Effective iron gettering in lightly-doped emitters.
Posted in Conference Proceedings, Publications
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Jun 21, 2011 Light-induced water oxidation at silicon electrodes functionalized with a cobalt oxygen-evolving catalyst.
Featured in MIT News
Posted in Highlights, Journal Publications, Publications
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Jun 2, 2011 Impurity-to-efficiency simulator: Predictive simulation of silicon solar cell performance based on iron content and distribution.
Video Online Tool Featured in MIT News
May 9, 2011 Hall mobility of cuprous oxide thin films deposited by reactive direct-current magnetron sputtering.
Apr 18, 2011 Iron distribution in silicon after solar cell processing: Synchrotron analysis and predictive modeling.
Posted in Journal Publications, Publications
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Mar 7, 2011 Seeding of silicon wire growth by out-diffused metal precipitates.
Posted in Journal Publications, Publications
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Mar 2, 2011 Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells.
Posted in Journal Publications, Publications
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Mar 2, 2011 Enhanced iron gettering by short, optimized low-temperature annealing after phosphorus emitter diffusion for industrial silicon solar cell processing.
Posted in Journal Publications, Publications
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Feb 24, 2011 Incorporation of Fe into NiSi2 precipitates.
Posted in Journal Publications, Publications
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Jan 2, 2011 Stress-enhanced dislocation density reduction in multicrystalline silicon.
Posted in Journal Publications, Publications
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Sep 15, 2010 Retrograde melting and internal liquid gettering in silicon.
Posted in Journal Publications, Publications
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Sep 15, 2010 Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon
Posted in Journal Publications, Publications
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Sep 10, 2010 Impurity-to-efficiency simulator: Predictive simulation of solar cell efficiencies based on measured metal distribution and cell processing conditions.
See also: Journal Article
Posted in Conference Proceedings, Publications
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Jun 25, 2010 Synchrotron-based microanalysis of iron distribution after thermal processing and predictive modeling of resulting solar cell efficiency.
Posted in Conference Proceedings, Publications
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Jun 25, 2010 Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon.
See also: Journal Article
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Jun 25, 2010 Stress and temperature coupling effects on dislocation density reduction in multicrystalline silicon.
See also: Journal Article
Posted in Conference Proceedings, Publications
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Jun 25, 2010 Impact of defect type on hydrogen passivation effectiveness in multicrystalline silicon solar cells.
See also: Journal Article
Posted in Conference Proceedings, Publications
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Jan 2, 2010 Dislocation engineering in multicrystalline silicon.
Posted in Journal Publications, Publications
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Sep 25, 2009 Insights into the optimal phosphorus diffusion profile for silicon solar cells.
Posted in Conference Proceedings, Publications
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Sep 25, 2009 Quantitative stress measurements of bulk microdefects in multicrystalline silicon.
Posted in Conference Proceedings, Publications
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Sep 25, 2009 Simulating the evolution of the impurity content and distribution in a mc-Si wafer during solar cell processing.
Posted in Conference Proceedings, Publications
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Sep 25, 2009 Illuminating the mechanism for sub-bandgap absorption in chalcogen-doped silicon materials for PV applications.
Jun 12, 2009 Earth-abundant materials for high-efficiency heterojunction thin-film solar cells.
Posted in Conference Proceedings, Publications
Tagged thin film, Thin-film solar cells
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Jun 5, 2009 Impurity analysis in silicon- and carbon-bearing raw feedstock materials.
Posted in Publications, Workshop Proceedings
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Sep 22, 2008 Dislocation density reduction in multicrystalline silicon solar cell material by high temperature annealing.
Posted in Journal Publications, Publications
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Sep 5, 2008 Mitigating the “iron problem” in crystalline silicon solar cells
Posted in Conference Proceedings, Publications
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Sep 3, 2008 Defect redistribution by low temperature anneal in ingot silicon solar cells
Posted in Conference Proceedings, Publications
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Jul 16, 2008 The Bright Future of Silicon-Based Photovoltaics.
Posted in Presentations, Publications
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May 16, 2008 Evolution of metal impurities during crystalline silicon solar cell processing
Posted in Conference Proceedings, Publications
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Mar 24, 2008 Iron point defect reduction in multicrystalline silicon solar cells.
Posted in Journal Publications, Publications
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Mar 5, 2008 Electrical and Mechanical Defects in Solar Cell Materials and Devices.
Posted in Presentations, Publications
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Mar 5, 2008 Electrical and Mechanical Defects in Solar Cell Materials and Devices
Posted in Publications, Workshop Proceedings
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Oct 2, 2007 Transition metal co-precipitation mechanisms in silicon.
Posted in Journal Publications, Publications
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Sep 7, 2007 Intermetallic phases and transition metal interaction in mc-silicon.
Posted in Conference Proceedings, Publications
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Sep 7, 2007 Evolution of stresses in wafer bulks and edges during industrial solar cell processing
Presentation
Posted in Conference Proceedings, Publications
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Sep 4, 2007 Evolution of stresses in wafer bulks and edges during industrial solar cell processing.
Posted in Presentations, Publications
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Aug 3, 2007 Reducing the concentration of interstitial iron in crystalline silicon solar cells via low (≤ 500°C) temperature annealing.
Posted in Publications, Workshop Proceedings
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Jun 15, 2007 Transition metal interaction and Ni-Fe-Cu-Si phases in silicon.
Posted in Journal Publications, Publications
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Mar 5, 2007 Physical mechanisms of in situ surface gettering of metals in ribbon silicon for solar cells.
Posted in Journal Publications, Publications
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Oct 15, 2006 Control of metal impurities in “dirty” multicrystalline silicon for solar cells.
Posted in Journal Publications, Publications
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Sep 8, 2006 Nature, impact, and remediation of the principal lifetime-limiting defects in String Ribbon material.
Posted in Conference Proceedings, Publications
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Sep 8, 2006 Transition metal interaction and formation of intermetallic phases in multicrystalline silicon.
Posted in Conference Proceedings, Publications
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Sep 8, 2006 From understanding towards engineering metal impurities in multicrystalline silicon.
Posted in Conference Proceedings, Publications
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Sep 2, 2006 (Review Article) Chemical natures and distributions of metal impurities in multicrystalline silicon materials.
Posted in Journal Publications, Publications
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Jul 24, 2006 Metal precipitation at grain boundaries in silicon: Dependence on grain boundary character and dislocation decoration.
Posted in Journal Publications, Publications
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Jun 15, 2006 Complex intermetallic phase in multicrystalline silicon doped with transition metals for low-cost solar cells.
Posted in Journal Publications, Publications
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May 12, 2006 Interactions between metals and different grain boundary types and their impact on multicrystalline silicon device performance.
Posted in Conference Proceedings, Publications
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Jan 26, 2006 Transition metals in photovoltaic-grade cast multicrystalline silicon: Assessing the role of impurities in silicon nitride crucible lining material.
Posted in Journal Publications, Publications
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Dec 2, 2005 Local measurements of diffusion length and chemical character of metal clusters in multicrystalline silicon.
Posted in Journal Publications, Publications
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Sep 19, 2005 Impact of metal silicide precipitate dissolution during rapid thermal processing of multicrystalline silicon solar cells.
Posted in Journal Publications, Publications
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Sep 2, 2005 Engineering metal-impurity nanodefects for low-cost solar cells.
Posted in Journal Publications, Publications
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Aug 3, 2005 Synchrotron-based infrared spectromicroscopy of oxygen gettering by grain boundaries in multicrystalline silicon.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 Metal particle evolution during solar cell processing in multicrystalline silicon.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 Efficiency-limiting ‘defect bands’ in string ribbon silicon: correlations between structural, impurity, and electrical properties.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 Synchrotron-based spectrally-resolved X-ray beam induced current: a technique to quantify the effect of metal-rich precipitates on minority carrier diffusion length in multicrystalline silicon.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 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.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 EXAFS studies on Ni11.6Fe2.8Cu0.4Si27.6 precipitates in multicrystalline silicon.
Posted in Publications, Workshop Proceedings
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Aug 3, 2005 Transition metals in silicon solar cells: sources of contamination, interactions, defect engineering.
Posted in Publications, Workshop Proceedings
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Jul 25, 2005 Quantifying the effect of metal-rich precipitates on minority carrier diffusion length in multicrystalline silicon using synchrotron-based spectrally-resolved X-ray beam induced current.
Posted in Journal Publications, Publications
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Jun 10, 2005 Correlations between structural, impurity, and electrical properties in efficiency-limiting “defect bands” in string ribbon silicon
Posted in Conference Proceedings, Publications
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Jun 10, 2005 Technology choices for the PV industry: A comparative life cycle environmental impact perspective
Posted in Conference Proceedings, Publications
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Jun 10, 2005 Distinguishing the impacts of individual metal species on multicrystalline silicon performance in a multiple metal environment
Posted in Conference Proceedings, Publications
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Jun 10, 2005 Distribution and formation of silicon carbide and silicon nitride precipitates in block-cast multicrystalline silicon
Posted in Conference Proceedings, Publications
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May 3, 2005 Improvement of solar grade silicon through defect control
Posted in Publications, Workshop Proceedings
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Apr 1, 2005 Synchrotron-based investigations of the nature and impact of iron contamination in multicrystalline silicon solar cells.
Posted in Journal Publications, Publications
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Mar 15, 2005 Analysis of copper-rich preciptiates in silicon: chemical state, gettering, and impact on multicrystalline silicon solar cell material.
Posted in Journal Publications, Publications
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Jan 3, 2005 Synchrotron-based investigations into metallic impurity distribution and defect engineering in multicrystalline silicon via thermal treatments
Posted in Conference Proceedings, Publications
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Nov 26, 2004 The impact of chemical state and thermal stability of metal precipitates on gettering efficiency in silicon
Posted in Publications, Workshop Proceedings
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Oct 28, 2004 The impact of metal impurity clusters on solar cell performance in multicrystalline silicon
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 Differences and similarities between metal clusters in mc-Si materials from different manufacturers
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 Aluminum gettering and dissolution of Cu3Si precipitates in silicon
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 Stress-induced nitrogen and oxygen segregation and complexing investigated by high resolution synchrotron FTIR
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 Dependence of precipitation behavior of Cu and Ni in CZ and multicrystalline silicon on cooling conditions
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 Distribution and chemical state of Cu-rich clusters in silicon
Posted in Publications, Workshop Proceedings
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Aug 3, 2004 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
Posted in Publications, Workshop Proceedings
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Jun 3, 2004 Impact of iron contamination in multicrystalline silicon solar cells: Origins, chemical states, and device impacts
Posted in Conference Proceedings, Publications
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Jun 3, 2004 Defects in the deteriorated border layer of block-cast multicrystalline silicon ingots
Posted in Conference Proceedings, Publications
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Feb 1, 2004 Observation of transition metals at shunt locations in multicrystalline silicon solar cells.
Posted in Journal Publications, Publications
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Jan 21, 2004 X-ray beam induced current/microprobe x-ray fluorescence: synchrotron radiation based x-ray microprobe techniques for analysis of the recombination activity and chemical nature of metal impurities in silicon.
Posted in Journal Publications, Publications
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Dec 31, 2003 Applications of synchrotron radiation x-ray techniques on the analysis of the behavior of transition metals in solar cells and single crystalline silicon with extended defects.
Posted in Journal Publications, Publications
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Nov 15, 2003 Metal content of multicrystalline silicon for solar cells and its impact on minority carrier diffusion length.
Posted in Journal Publications, Publications
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Aug 3, 2003 Neutron activation analysis study of metal content of multicrystalline silicon for cost-efficient solar cells
Posted in Publications, Workshop Proceedings
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Aug 3, 2003 Experimental procedure for determination of the depth of metal clusters in XBIC/µ-XRF mapping of metal clusters in silicon solar cells
Posted in Publications, Workshop Proceedings
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Aug 3, 2003 Statistically meaningful data on the chemical state of iron precipitates in processed multicrystalline silicon using synchrotron-based x-ray absorption spectroscopy
Posted in Publications, Workshop Proceedings
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May 18, 2003 Assessing the role of transition metals in shunting mechanisms using synchrotron-based techniques
Posted in Conference Proceedings, Publications
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May 2, 2003 Metal content of multicrystalline silicon for solar cells.
Posted in Journal Publications, Publications
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Mar 26, 2003 Impact of metal impurities on solar cell performance
Posted in Publications, Workshop Proceedings
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Dec 9, 2002 Application of synchrotron radiation based x-ray microprobe techniques for the analysis of recombination activity of metals precipitated at Si/SiGe misfit dislocations.
Posted in Journal Publications, Publications
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Aug 3, 2002 Application of synchrotron radiation based x-ray microprobe techniques for the analysis of recombination activity of metals precipitated at Si/SiGe misfit dislocations
Posted in Publications, Workshop Proceedings
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Aug 3, 2002 Application of x-ray fluorescence technique to studies of aluminum gettering in silicon
Posted in Publications, Workshop Proceedings
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Aug 3, 2002 Analysis of shunts in multicrystalline silicon solar cells using microprobe x-ray fluorescence technique
Posted in Publications, Workshop Proceedings
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Apr 3, 2002 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
Posted in Conference Proceedings, Publications
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