Enhanced Bifacial III–V/Silicon Multijunction Solar-Cell-Based Promising Structure of c-Si Bottom Cells

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2025-01-12 DOI:10.1021/acsaem.4c0251110.1021/acsaem.4c02511

Alamgeer, Polgampola Chamani Madara, Muhammad Quddamah Khokhar*, Hasnain Yousuf, Jaljalalul Abedin Jony, Rafi Ur Rahman, Junhan Bae, Seokjin Jang, Min-Kyung Shin, Sangheon Park and Junsin Yi*,

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Abstract

We present a structural design for a four-terminal III–V/crystalline silicon (c-Si) multijunction (MJ) device based on optimized bifacial illumination. The proposed configuration consists of a triple-junction top cell incorporating gallium indium phosphide (GaInP), indium gallium arsenide (InGaAs), and germanium (Ge), paired with a tunnel oxide passivating contact (TOPCon) as the bottom cell. The bifacial TOPCon cell effectively enhances the transmission of albedo-reflected light into the c-Si absorber, delivering superior performance compared to conventional heterojunction cells. With an additional rear illumination of 0.3 sun, the bottom cell efficiency increases by 9.61%. Bifacial illumination enhances the overall efficiency of the MJ device by 20.77% compared to the monofacial device. With the power conversion efficiency (PCE) of bifacial GaInP/InGaAs/Ge/TOPCon MJ devices reaching 35.70%, this design demonstrates significant potential for advancing high-efficiency bifacial solar cell technologies.

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.