NDLI: Non-pn-junction-based solar cells: Charge carrier separation in solar cells with bound surface charges

Content Provider	IEEE Xplore Digital Library
Author	Fude Liu Wentao Wang Chor Man Lau Lei Wang Guandong Yang Dawei Zheng Zhigang Li
Copyright Year	2014
Description	Author affiliation: Dept. of Mech. Eng., Univ. of Hong Kong, Hong Kong, China (Fude Liu; Wentao Wang; Chor Man Lau; Lei Wang; Guandong Yang; Dawei Zheng) \|\| Dept. of Mech. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China (Zhigang Li)
Abstract	Traditional junction-based solar cells have limitations on picking the right materials and processing steps to form a working junction due to, for example, lattice mismatch, doping, and band alignment. In this work, we then demonstrated a new approach to realize the charge carrier separation in solar cells with the bound surface charges on ferroelectric. The appearance of bound surface charges leads to an induced voltage V between the two surfaces of the ferroelectric. The induced voltage V is then applied on the semiconductor as an external electric field to enhance the charge separation in the semiconductor. Detailed theoretical calculations and experimental results verify the feasibility of the new concept, although the device performance is still poor at the moment. We are therefore confident that our new concept cell is promising because of its many advantages over traditional junction-based solar cells such as more options in choosing semiconductors for solar cells, more flexibility in device design, good potential in achieving high performance, and simple processing steps.
Starting Page	0216
Ending Page	0219
File Size	806917
Page Count	4
File Format	PDF
e-ISBN	9781479943982
DOI	10.1109/PVSC.2014.6925608
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic cells Silicon Photovoltaic systems Charge carriers Films silicon photovoltaics ferroelectric bound surface charge
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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