Performance optimization of mechanically stacked c-Si solar cells TOPCon, HIT, PERC in tandem configurations under albedo varying light intensities

IF 4.1 3区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Photochemistry and Photobiology A-chemistry Pub Date : 2025-07-07 DOI:10.1016/j.jphotochem.2025.116606

Rafi Ur Rahman , Maha Nur Aida , Jaljalalul Abedin Jony , Muhammad Quddamah Khokhar , Hasnain Yousuf , Alamgeer , Sangheon Park , Shahzada Qamar Hussain , Junsin Yi

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引用次数: 0

Abstract

This research investigates the performance of Si/Si mechanically stacked solar cells using TOPCon technology in various configurations, specifically TOPCon/TOPCon, TOPCon/HIT, and TOPCon/PERC. The cells were tested under parallel and series across Albedo illumination (0.1 to 0.5 suns) to evaluate their efficiency and energy output. The key performance parameters measured include J_sc, V_oc, FF, and overall efficiency. In the parallel configuration, the TOPCon/TOPCon configuration exhibited the highest efficiency of 31.48 %, with a V_oc of 1.42 V, J_sc of 52.68 mA/cm², and FF of 81.43 %. The TOPCon/HIT parallel configuration demonstrated a strong performance, with an efficiency of 29.33 %, V_oc of 1.43 V, and J_sc of 49.34 mA/cm². The TOPCon/PERC parallel configuration showed the highest J_sc of 48.71 mA/cm², V_oc (1.43 V), and FF (79.53 %), resulting in an efficiency of 29.05 %. TOPCon/TOPCon series achieved a J_sc of 17.81 mA/cm² and an efficiency of 20.59 %. These results highlight the advantages of the TOPCon/TOPCon parallel configuration, which effectively leverages both voltage and current, making it the optimal configuration for maximizing energy output. The findings of this study offer valuable insights into optimizing solar cell performance, particularly for applications requiring efficient use of direct and reflected sunlight.

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机械叠层c-Si太阳能电池TOPCon、HIT、PERC在反照率变化光强下的性能优化

本研究利用TOPCon技术研究了不同构型下硅/硅机械堆叠太阳能电池的性能，特别是TOPCon/TOPCon、TOPCon/HIT和TOPCon/PERC。电池在反照率（0.1到0.5太阳）的平行和串联照明下进行测试，以评估其效率和能量输出。测量的关键性能参数包括Jsc、Voc、FF和整体效率。在并联配置中，TOPCon/TOPCon的效率最高，为31.48%，Voc为1.42 V， Jsc为52.68 mA/cm2， FF为81.43%。TOPCon/HIT并联结构性能优异，效率为29.33%，Voc为1.43 V， Jsc为49.34 mA/cm2。TOPCon/PERC并联结构的Jsc最高，为48.71 mA/cm2, Voc (1.43 V)， FF(79.53%)，效率为29.05%。TOPCon/TOPCon系列的Jsc为17.81 mA/cm2，效率为20.59%。这些结果突出了TOPCon/TOPCon并联配置的优势，它有效地利用了电压和电流，使其成为最大化能量输出的最佳配置。这项研究的发现为优化太阳能电池的性能提供了有价值的见解，特别是对于需要有效利用直射和反射阳光的应用。

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来源期刊

Journal of Photochemistry and Photobiology A-chemistry 化学-物理化学

CiteScore

7.90

自引率

7.00%

发文量

580

审稿时长

48 days

期刊介绍： JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds. All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor). The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.