Category Archives: Publications

Ultrathin amorphous zinc-tin-oxide buffer layer for enhancing heterojunction interface quality in metal-oxide solar cells

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Origins of Structural Hole Traps in Hydrogenated Amorphous Silicon

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Residual stress and dislocations density in silicon ribbons grown via optical zone melting

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Interfaces between water splitting catalysts and buried silicon junctions

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Modeling integrated photovoltaic–electrochemical devices using steady-state equivalent circuits

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Enhancing the efficiency of SnS solar cells via band-offset engineering with a zinc oxysulfide buffer layer

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Co-Optimizing Crystalline Silicon Solar Cell Throughput and Efficiency Using Continuously Ramping Phosphorus Diffusion Profiles

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Co-optimizing the Phosphorous Diffusion Time-Temperature Profile for Gettering and Throughput

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Precipitated Iron: A Limit on Gettering Efficacy in Multicrystalline Silicon

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Organic Vapor Passivation of Silicon at Room Temperature

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Analysis of the Evolution of Iron Precipitates in Multicrystalline Silicon During Solar Cell Processing

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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.

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Low contact resistivity of metals on nitrogen-doped cuprous oxide (Cu2O) thin-films

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Dislocation Density Reduction During Impurity Gettering in Multicrystalline Silicon

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Antimony-Doped Tin(II) Sulfide Thin Films

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Rapid dislocation-density mapping of as-cut crystalline-silicon wafers

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Engineering metal precipitate size distributions to enhance gettering in multicrystalline silicon

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Simulated Co-Optimization of Crystalline Silicon Solar Cell Throughput and Efficiency Using Continuously Ramping Phosphorus Diffusion Profiles

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Raman Study of Localized Recrystallization of Amorphous Silicon Induced by Laser Beam

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Controlling dopant profiles in hyperdoped silicon by modifying dopant evaporation rates during pulsed laser melting.

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Synchrotron-based microprobe investigation of impurities in raw quartz- and carbon-bearing feedstock materials for photovoltaic applications.

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Crystalline silicon photovoltaics: A cost analysis framework for determining technology pathways to reach baseload electricity costs.

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Structural origins of intrinsic stress in amorphous silicon thin films.

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Insulator-to-metal transition in selenium-hyperdoped silicon: Observation and origin.

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High photocurrent in silicon photoanodes catalyzed by iron-oxide thin films for water splitting.

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Soft x-ray emission spectroscopy studies of the electronic structure of silicon supersaturated with sulfur.

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Nanoprobe X-ray fluorescence characterization of defects in large-area solar cells.

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SnS thin-films by RF sputtering at room temperature.

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Towards the tailoring of P diffusion gettering to as-grown silicon material properties.

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Extended infrared photoresponse and gain in chalcogen-supersaturated silicon photodiodes.

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Detection of ZnS phases in CZTS thin-films by EXAFS.

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Stress engineering in amorphous silicon thin films.

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High-mobility copper (I) oxide thin films prepared by reactive DC magnetron sputtering for photovoltaic applications.

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Deployment of impurity-to-efficiency (I2E) simulation tool.

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Synchrotron-based characterization of solar cell nanodefects.

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Effective iron gettering in lightly-doped emitters.

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Light-induced water oxidation at silicon electrodes functionalized with a cobalt oxygen-evolving catalyst.

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Reactivation of sub-bandgap absorption in chalcogen-hyperdoped silicon.

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Impurity-to-efficiency simulator: Predictive simulation of silicon solar cell performance based on iron content and distribution.

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Hall mobility of cuprous oxide thin films deposited by reactive direct-current magnetron sputtering.

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Iron distribution in silicon after solar cell processing: Synchrotron analysis and predictive modeling.

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Seeding of silicon wire growth by out-diffused metal precipitates.

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Influence of defect type on hydrogen passivation efficacy in multicrystalline silicon solar cells.

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Enhanced iron gettering by short, optimized low-temperature annealing after phosphorus emitter diffusion for industrial silicon solar cell processing.

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Incorporation of Fe into NiSi2 precipitates.

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Stress-enhanced dislocation density reduction in multicrystalline silicon.

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Retrograde melting and internal liquid gettering in silicon.

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Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon

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Impurity-to-efficiency simulator: Predictive simulation of solar cell efficiencies based on measured metal distribution and cell processing conditions.

See also: Journal Article

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Synchrotron-based microanalysis of iron distribution after thermal processing and predictive modeling of resulting solar cell efficiency.

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Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon.

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Stress and temperature coupling effects on dislocation density reduction in multicrystalline silicon.

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Impact of defect type on hydrogen passivation effectiveness in multicrystalline silicon solar cells.

See also: Journal Article

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Dislocation engineering in multicrystalline silicon.

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Insights into the optimal phosphorus diffusion profile for silicon solar cells.

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Quantitative stress measurements of bulk microdefects in multicrystalline silicon.

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Simulating the evolution of the impurity content and distribution in a mc-Si wafer during solar cell processing.

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Illuminating the mechanism for sub-bandgap absorption in chalcogen-doped silicon materials for PV applications.

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Earth-abundant materials for high-efficiency heterojunction thin-film solar cells.

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Impurity analysis in silicon- and carbon-bearing raw feedstock materials.

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Dislocation density reduction in multicrystalline silicon solar cell material by high temperature annealing.

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Mitigating the “iron problem” in crystalline silicon solar cells

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Defect redistribution by low temperature anneal in ingot silicon solar cells

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The Bright Future of Silicon-Based Photovoltaics.

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Evolution of metal impurities during crystalline silicon solar cell processing

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Iron point defect reduction in multicrystalline silicon solar cells.

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Electrical and Mechanical Defects in Solar Cell Materials and Devices.

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Electrical and Mechanical Defects in Solar Cell Materials and Devices

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Transition metal co-precipitation mechanisms in silicon.

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Luminescence Imaging.

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Intermetallic phases and transition metal interaction in mc-silicon.

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Evolution of stresses in wafer bulks and edges during industrial solar cell processing

Presentation

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Evolution of stresses in wafer bulks and edges during industrial solar cell processing.

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Reducing the concentration of interstitial iron in crystalline silicon solar cells via low (≤ 500°C) temperature annealing.

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Transition metal interaction and Ni-Fe-Cu-Si phases in silicon.

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Physical mechanisms of in situ surface gettering of metals in ribbon silicon for solar cells.

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Control of metal impurities in “dirty” multicrystalline silicon for solar cells.

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Nature, impact, and remediation of the principal lifetime-limiting defects in String Ribbon material.

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Transition metal interaction and formation of intermetallic phases in multicrystalline silicon.

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From understanding towards engineering metal impurities in multicrystalline silicon.

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(Review Article) Chemical natures and distributions of metal impurities in multicrystalline silicon materials.

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Metal precipitation at grain boundaries in silicon: Dependence on grain boundary character and dislocation decoration.

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Complex intermetallic phase in multicrystalline silicon doped with transition metals for low-cost solar cells.

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Interactions between metals and different grain boundary types and their impact on multicrystalline silicon device performance.

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Transition metals in photovoltaic-grade cast multicrystalline silicon: Assessing the role of impurities in silicon nitride crucible lining material.

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Local measurements of diffusion length and chemical character of metal clusters in multicrystalline silicon.

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Impact of metal silicide precipitate dissolution during rapid thermal processing of multicrystalline silicon solar cells.

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Engineering metal-impurity nanodefects for low-cost solar cells.

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Synchrotron-based infrared spectromicroscopy of oxygen gettering by grain boundaries in multicrystalline silicon.

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Metal particle evolution during solar cell processing in multicrystalline silicon.

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Efficiency-limiting ‘defect bands’ in string ribbon silicon: correlations between structural, impurity, and electrical properties.

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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.

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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.

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EXAFS studies on Ni11.6Fe2.8Cu0.4Si27.6 precipitates in multicrystalline silicon.

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Transition metals in silicon solar cells: sources of contamination, interactions, defect engineering.

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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.

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Correlations between structural, impurity, and electrical properties in efficiency-limiting “defect bands” in string ribbon silicon

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Technology choices for the PV industry: A comparative life cycle environmental impact perspective

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Distinguishing the impacts of individual metal species on multicrystalline silicon performance in a multiple metal environment

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Distribution and formation of silicon carbide and silicon nitride precipitates in block-cast multicrystalline silicon

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Improvement of solar grade silicon through defect control

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Synchrotron-based investigations of the nature and impact of iron contamination in multicrystalline silicon solar cells.

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Analysis of copper-rich preciptiates in silicon: chemical state, gettering, and impact on multicrystalline silicon solar cell material.

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Synchrotron-based investigations into metallic impurity distribution and defect engineering in multicrystalline silicon via thermal treatments

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The impact of chemical state and thermal stability of metal precipitates on gettering efficiency in silicon

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The impact of metal impurity clusters on solar cell performance in multicrystalline silicon

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Differences and similarities between metal clusters in mc-Si materials from different manufacturers

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Aluminum gettering and dissolution of Cu3Si precipitates in silicon

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Stress-induced nitrogen and oxygen segregation and complexing investigated by high resolution synchrotron FTIR

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Dependence of precipitation behavior of Cu and Ni in CZ and multicrystalline silicon on cooling conditions

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Distribution and chemical state of Cu-rich clusters in silicon

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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

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Impact of iron contamination in multicrystalline silicon solar cells: Origins, chemical states, and device impacts

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Defects in the deteriorated border layer of block-cast multicrystalline silicon ingots

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Observation of transition metals at shunt locations in multicrystalline silicon solar cells.

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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.

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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.

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Metal content of multicrystalline silicon for solar cells and its impact on minority carrier diffusion length.

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Neutron activation analysis study of metal content of multicrystalline silicon for cost-efficient solar cells

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Experimental procedure for determination of the depth of metal clusters in XBIC/µ-XRF mapping of metal clusters in silicon solar cells

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Statistically meaningful data on the chemical state of iron precipitates in processed multicrystalline silicon using synchrotron-based x-ray absorption spectroscopy

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Assessing the role of transition metals in shunting mechanisms using synchrotron-based techniques

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Metal content of multicrystalline silicon for solar cells.

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Impact of metal impurities on solar cell performance

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Application of synchrotron radiation based x-ray microprobe techniques for the analysis of recombination activity of metals precipitated at Si/SiGe misfit dislocations.

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Application of synchrotron radiation based x-ray microprobe techniques for the analysis of recombination activity of metals precipitated at Si/SiGe misfit dislocations

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Application of x-ray fluorescence technique to studies of aluminum gettering in silicon

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Analysis of shunts in multicrystalline silicon solar cells using microprobe x-ray fluorescence technique

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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

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X-ray beam induced current – a synchrotron radiation based technique for the in situ analysis of recombination properties and chemical nature of metal clusters in silicon.

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Application of x-ray fluorescence microprobe technique for the analysis of fully processed solar cells

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