Effect of High Temperature Annealing on Crystal Structure and Electrical Properties of Multicrystalline Silicon by the Metallurgical Method
Sign Up to like & getrecommendations! Published in 2019 at "Silicon"
DOI: 10.1007/s12633-019-00296-1
Abstract: The defects of dislocations and grain boundaries (GBs) could significantly reduce the electrical properties of multicrystalline silicon (mc-Si) solar cells. In this manuscript, the influence of crystal defects on the electrical properties of mc-Si was… read more here.
Keywords: multicrystalline silicon; high temperature; temperature annealing; properties multicrystalline ... See more keywords
Automatic etch pit density analysis in multicrystalline silicon
Sign Up to like & getrecommendations! Published in 2020 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2020.109886
Abstract: Abstract This publication contains a description and is published in combination with the source code for a tool capable of determining the etch pit density (EPD) on multicrystalline silicon image data. The algorithm is capable… read more here.
Keywords: analysis; multicrystalline silicon; etch pit; pit density ... See more keywords
Investigation of dislocation cluster evolution during directional solidification of multicrystalline silicon
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2017.01.027
Abstract: Abstract Dislocation clusters are the main crystal defects in multicrystalline silicon and are detrimental for solar cell efficiency. They were formed during the silicon ingot casting due to the relaxation of strain energy. The evolution… read more here.
Keywords: multicrystalline silicon; dislocation clusters; evolution; investigation dislocation ... See more keywords
Crystallization of multicrystalline silicon from reusable silicon nitride crucibles: Material properties and solar cell efficiency
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2018.09.026
Abstract: Abstract In this paper experimental results on High Performance multicrystalline silicon ingots (HPmc-Si) grown from reusable silicon nitride crucibles are presented. Five ingots are grown from the same crucible and the material is analyzed for… read more here.
Keywords: silicon nitride; multicrystalline silicon; reusable silicon; solar cell ... See more keywords
Influence of extended crystallographic defects on the formation kinetics of oxygen-related thermal donors in multicrystalline silicon
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2019.01.008
Abstract: Abstract Oxygen-related thermal donors generated generally form less effectively in multicrystalline than in Czochralski grown monocrystalline silicon. In addition to a lower interstitial oxygen concentration, carbon and extended crystallographic defects are possible candidates that can… read more here.
Keywords: multicrystalline silicon; formation; related thermal; thermal donors ... See more keywords
Specimen preparation methods for elemental characterisation of grain boundaries and isolated dislocations in multicrystalline silicon using atom probe tomography
Sign Up to like & getrecommendations! Published in 2017 at "Materials Characterization"
DOI: 10.1016/j.matchar.2017.07.038
Abstract: Abstract Multicrystalline silicon (mc-Si) is a cost effective feedstock for solar photovoltaic devices but is limited by the presence of defects and impurities. Imaging impurities segregated to nanometre-scale dislocations and grain boundaries is a challenge… read more here.
Keywords: atom probe; specimen preparation; multicrystalline silicon; grain boundaries ... See more keywords
Recycling of silicon scraps by SiC absorption with Al addition in multicrystalline silicon
Sign Up to like & getrecommendations! Published in 2018 at "Materials Science in Semiconductor Processing"
DOI: 10.1016/j.mssp.2017.10.047
Abstract: Abstract A new method for SiC elimination from multicrystalline silicon with Al addition by using the chemical reaction between Al and SiC is conducted in this study. Inclusion-free region is obtained when Al addition content… read more here.
Keywords: silicon scraps; multicrystalline silicon; addition; silicon ... See more keywords
Kinetics of carrier-induced degradation at elevated temperature in multicrystalline silicon solar cells
Sign Up to like & getrecommendations! Published in 2017 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2017.05.066
Abstract: Abstract The degradation kinetics of multicrystalline silicon solar cells and wafers at elevated temperature (often termed “LeTID”) depend on the specific temperature and injection conditions. We apply different forward biases in the dark at a… read more here.
Keywords: degradation; multicrystalline silicon; temperature; silicon solar ... See more keywords
Evidence of an identical firing-activated carrier-induced defect in monocrystalline and multicrystalline silicon
Sign Up to like & getrecommendations! Published in 2017 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2017.08.003
Abstract: Abstract While progress has been made in understanding the behaviour of the recently identified carrier-induced degradation mechanism in p-type multicrystalline silicon solar cells, little is currently known about the root cause of the defect or… read more here.
Keywords: degradation; multicrystalline silicon; carrier induced; defect ... See more keywords
Collaborative R&D between multicrystalline silicon ingots and battery efficiency improvement—effect of shadow area in multicrystalline silicon ingots on cell efficiency
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/39/8/083004
Abstract: We characterized strip-like shadows in cast multicrystalline silicon (mc-Si) ingots. Blocks and wafers were analyzed using scanning infrared microscopy, photoluminescence spectroscopy, laser scanning confocal microscopy, field-emission scanning electron microscopy, X-ray energy-dispersive spectrometry, and microwave photoconductivity… read more here.
Keywords: efficiency; silicon ingots; multicrystalline silicon; microscopy ... See more keywords
Uncertainty in Photoluminescence Metrology on Multicrystalline Silicon Bricks and Cross Validation With Wafers
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Photovoltaics"
DOI: 10.1109/jphotov.2017.2754059
Abstract: Bulk lifetime and interstitial iron concentration are two pertinent parameters describing the quality of multicrystalline silicon, which can be measured on silicon bricks using photoluminescence (PL) imaging. Multicrystalline silicon is inherently variable, therefore accurate measurements… read more here.
Keywords: interstitial iron; multicrystalline silicon; uncertainty; lifetime interstitial ... See more keywords