通过实验了解 P3HT:PCBM 块状异质结太阳能电池劣化的原因

IF 1.204 Q3 Energy

Applied Solar Energy Pub Date : 2024-01-16 DOI:10.3103/S0003701X23600509

Tirukoti Mounika, Shiddappa L. Belagali, Inderpreet Singh, Kuldeep Kumar, P. Arun

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引用次数: 0

摘要

摘要本研究探讨了 P3HT:PCBM 体异质结光电设备的降解机制。为此，对在相同条件下制造的八种 P3HT:PCBM 太阳能电池结构的 JV 特性进行了小时研究。结果发现，太阳能电池的功率转换效率（PCE）无一例外地呈指数下降，并在六小时内达到饱和。此外，还研究了器件中光电流的衰减和上升时间。图表的性质否定了光活性薄膜表面氧化和产生陷阱中心的可能性。因此，预计 P3HT 和 PCBM 域的相分离是器件降解的根本原因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

An Experimental Insight into the Reasons for Deterioration of P3HT:PCBM Bulk Heterojunction Solar Cells

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An Experimental Insight into the Reasons for Deterioration of P3HT:PCBM Bulk Heterojunction Solar Cells

In the present work, degradation mechanism in P3HT:PCBM bulk heterojunction photo-voltaic devices has been explored. For this purpose, the JV characteristics of eight P3HT:PCBM solar cell structures fabricated under identical conditions, were studied on hourly basis. Without exception, the power conversion efficiency (PCE) of the solar cells is found to fall off exponentially that saturates within six hours. The decay and rise time of the photo-current in the devices were also studied. The nature of the graphs negates the possibility of surface oxidation and generation of trap centers in the photo-active film. Thus, phase separation of P3HT and PCBM domains is expected to be the root cause of device degradation.

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来源期刊

Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： Applied Solar Energy is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.