A simple optical properties modeling of microcrystalline silicon by the effective medium approximation method
Book
·
OSTI ID:527739
- KAIST, Taejon (Korea, Republic of). Dept. of Electrical Engineering
- KRISS, Taejon (Korea, Republic of). Dept. of Optics Lab.
The optical properties of microcrystalline silicon ({micro}c-Si) were estimated using the EMA (Effective Medium Approximation) method. This modeling was based on two-phase mixture, amorphous silicon (a-Si) and crystalline silicon (c-Si) with volume fractions of f{sub a} and f{sub c} respectively. From this modeling, it could be possible to understand that {micro}c-Si has lower light absorption characteristics than a-Si over all solar spectrum by considering hydrogen involvement is embedded a-Si part of {micro}c-Si and crystalline volume fraction. Also, it is proposed that p-type {micro}c-Si is superior to n-type {micro}c-Si because of its high optical gap of E{sub o4} and its low absorption coefficient spectrum shape.
- OSTI ID:
- 527739
- Report Number(s):
- CONF-960401--; ISBN 1-55899-323-1
- Country of Publication:
- United States
- Language:
- English
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