Design optimization of series-parallel triple-junction solar cells

T. W. Hsieh, Pei-Chen Yu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The most explored approaches to high-efficiency solar cells have been the stacking of multiple p-n junctions and the concept of intermediate-band solar cell (IBSC). However, both approaches suffer from various material and epitaxial limitations which restrict the power conversion efficiencies from reaching the Shockley-Queisser limit. On the other hand, the series-parallel solar cell tandems have been proposed to effectively use the solar spectrum, while reducing the issues of lattice mismatch and current mismatch. However, the structure optimization has yet been conducted, taking into account the restrictions of current match and voltage match in operation. In this work, we optimize the band-gaps with different spectrums and concentrators by the detailed principles to observe the characteristics of this cell. Compared to the conventional triple junction tandem cells, the series-parallel solar cells significantly improve the current-matching restrictions.

Original languageEnglish
Title of host publicationProgram - 35th IEEE Photovoltaic Specialists Conference, PVSC 2010
Pages2924-2927
Number of pages4
DOIs
StatePublished - 20 Dec 2010
Event35th IEEE Photovoltaic Specialists Conference, PVSC 2010 - Honolulu, HI, United States
Duration: 20 Jun 201025 Jun 2010

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Conference

Conference35th IEEE Photovoltaic Specialists Conference, PVSC 2010
CountryUnited States
CityHonolulu, HI
Period20/06/1025/06/10

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