Removal of metal impurities by controlling columnar grain growth during directional solidification process
S Ren, P Li, D Jiang, Y Tan, J Li, L Zhang - Applied Thermal Engineering, 2016 - Elsevier
Silicon ingots with columnar grains and irregular grains as raw material for solar cells were
obtained by directional solidification. The relationship between crystal morphology and …
obtained by directional solidification. The relationship between crystal morphology and …
Effect of cooling rate on solidification of electron beam melted silicon ingots
Y Tan, S Shi, X Guo, D Jiang, W Dong, S Ren - Vacuum, 2013 - Elsevier
Solidification rate has a significant influence on purification of silicon due to segregation of
impurities at a liquid–solid interface of a solidifying silicon ingot. A mathematical model is …
impurities at a liquid–solid interface of a solidifying silicon ingot. A mathematical model is …
Distributions of substitutional and interstitial impurities in silicon ingot with different grain morphologies
P Li, S Ren, D Jiang, K Wang, J Li, Y Tan - Materials Science in …, 2017 - Elsevier
A multicrystalline silicon ingot with columnar and irregular grains was obtained from
metallurgical-grade silicon (MG-Si) by directional solidification. The segregation behaviors …
metallurgical-grade silicon (MG-Si) by directional solidification. The segregation behaviors …
Effect of temperature gradient on the diffusion layer thickness of impurities during directional solidification process
S Ren, Y Tan, D Jiang, P Li, J Li - Materials Science in Semiconductor …, 2018 - Elsevier
The diffusion layer thickness of impurity during directional solidification process was
evaluated under different temperature gradient conditions. The thickness of Fe, Cu, Ni and Ti …
evaluated under different temperature gradient conditions. The thickness of Fe, Cu, Ni and Ti …
Additive Fabrication of Silicon Pillars on Monocrystalline Silicon by Direct Laser Melting
MCL Le Dantec - 2018 - infoscience.epfl.ch
Additive Manufacturing (AM) is an emerging part production technology that offers many ad-
vantages such as high degree of customization, material savings and design of 3D highly …
vantages such as high degree of customization, material savings and design of 3D highly …