Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Electrical internal quantum efficiency improved by interval doping method

Not Accessible

Your library or personal account may give you access

Abstract

Electrical internal quantum efficiency is an important parameter for evaluating the utilization degree of the photocurrent density. Amorphous silicon has a quite considerable absorption efficiency of the available incident light. However, the existence of substantial defects in heavily doping amorphous silicon limits the electrical internal quantum efficiency. In this paper, we propose the interval doping method for the amorphous silicon thin-film solar cells. Most of the hot carriers in the amorphous silicon layer will concentrate in the intrinsic region. Due to the lower recombination rate, more hot carriers could be collected by the electrodes. Through the coupled calculation of the optical field and the electric field, it is found that the proposed interval doping amorphous silicon thin-film solar cell’s electrical internal quantum efficiency is significantly enhanced. If the interval doping method is applied to both the top and bottom heavily doping regions, the short-circuit current density will be improved from 9.77 to 12.30mA/cm2, and the maximum output power will increase from 6.79 to 8.03W/cm2. All these results indicate that the interval doping method is suitable for improving the performance of the amorphous silicon thin-film solar cells.

© 2018 Optical Society of America

Full Article  |  PDF Article
More Like This
Period-mismatched sine dual-interface grating for optical absorption in silicon thin-film solar cells

Hongmei Zheng, Yingchun Yu, Rui Wu, Sheng Wu, Shunhua Chen, and Ke Chen
Appl. Opt. 59(33) 10330-10338 (2020)

Enhanced light trapping in thin-film silicon solar cells with concave quadratic bottom gratings

Ke Chen, Rui Wu, Hongmei Zheng, Yuanyuan Wang, and Xiaopeng Yu
Appl. Opt. 57(19) 5348-5355 (2018)

Light-trapping schemes for silicon thin-film solar cells via super-quadratic subwavelength gratings

Ke Chen, Rui Wu, Hongmei Zheng, Haishuo Wang, Guojun Zhang, and Shunhua Chen
Appl. Opt. 58(31) 8702-8712 (2019)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (10)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (3)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (28)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Metrics

Select as filters


Select Topics Cancel
© Copyright 2022 | Optica Publishing Group. All Rights Reserved