Subhendu Guha, Jeffrey Yang
Hydrogen dilution of the active gas during deposition has been identified as a highly effective method to enhance the quality of amorphous silicon-based materials and solar cells. As hydrogen dilution increases, the material exhibits improved order and transitions from amorphous to microcrystalline at a specific dilution threshold. The optimal material is grown just below this threshold, resulting in a heterogeneous structure comprised of small crystallites embedded within an ordered amorphous matrix. This paper explores the impact of hydrogen dilution on both material and cell properties of amorphous silicon-based alloys, providing insights into their enhanced stability against light-induced degradation. It also highlights unique characteristics of the on-the-edge materials, which are not observed in traditional amorphous or microcrystalline alloys, emphasizing their potential for improved performance in photovoltaic applications.
@article{584e18c8-2244-46a5-a05c-a50a8b840659,
title={High quality amorphous silicon materials},
author={Subhendu Guha and Jeffrey Yang},
year={2026},
language={en}
}TY - JOUR TI - High quality amorphous silicon materials AU - Subhendu Guha AU - Jeffrey Yang PY - 2026 LA - en ER -
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