3D viscoplastic finite element modeling of dislocation generation in a large size Si ingot of the directional solidification stage

• Main Authors: Lin, Maohua, Wu, Xinjiang, Liao, Xinqin, Shi, Min, Ou, Disheng, Tsai, Chi-Tay
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Engineering::Electrical and electronic engineering; Hassen-sumino Model; CRSS Model
• Online Access: https://hdl.handle.net/10356/142229
• Institution: Nanyang Technological University

Growing very large size silicon ingots with low dislocation density is a critical issue for the photovoltaic industry to reduce the production cost of the high-efficiency solar cell for affordable green energy. The thermal stresses, which are produced as the result of the non-uniform temperature fie...