Title

Bandtail Limits to Solar Conversion Efficiencies in Amorphous Silicon Solar Cells

Author(s)/Creator(s)

Kai Zhu, Syracuse University
Weining Wang, Syracuse University
Eric A. Schiff, Syracuse UniversityFollow
Jianjun Liang, Syracuse University
S. Guha, United Solar Systems Corporation

Document Type

Conference Document

Date

2003

Keywords

amorphous silicon, solar cells

Language

English

Disciplines

Physics

Description/Abstract

We describe a model for a-Si:H based pin solar cells derived primarily from valence bandtail properties. We show how hole drift-mobility measurements and measurements of the temperature-dependence of the open-circuit voltage VOC can be used to estimate the parameters, and we present VOC(T) measurements. We compared the power density under solar illumination calculated with this model with published results for as-deposited a-Si:H solar cells. The agreement is within 4% for a range of thicknesses, suggesting that the power from as-deposited cells is close to the bandtail limit.

Additional Information

First author and SU authors listed for additional authors see the article.

Recommended Citation

"Bandtail Limits to Solar Conversion Efficiencies in Amorphous Silicon Solar Cells," K. Zhu, J. Yang, W. Wang, E. A. Schiff, J. Liang, and S. Guha, in Amorphous and Nanocrystalline Silicon Based Films - 2003, edited by J.R. Abelson, G. Ganguly, H. Matsumura, J. Robertson, E. A. Schiff (Materials Research Society Symposium Proceedings Vol. 762, Pittsburgh, 2003), pp. 297--302.

Source

harvested from author's c.v.

Creative Commons License

This work is licensed under a Creative Commons Attribution 3.0 License.