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体异质结型聚合物太阳能电池因具有成本低、质量轻、制备工艺简单和柔韧性好等优点,成为光伏技术领域的研究热点,其能量转化效率超过11%。体异质结层作为体异质结型聚合物太阳能电池的核心,其微观形貌影响体异质结型聚合物太阳能电池的开路电压、填充因子和短路电流,进而影响其能量转化效率。因此如何有效调控体异质结的微观形貌是提高体异质结型聚合物太阳能电池能量转换效率的关键问题之一。本文系统介绍了体异质结的形成过程,总结和论述近年发展的体异质结的微观形貌调控方法,以期为体异质结型聚合物太阳能电池的制备提供指导和借鉴。
Because of its low cost, light weight, simple preparation process and good flexibility, the bulk heterojunction polymer solar cell has become a research focus in the field of photovoltaic technology and its energy conversion efficiency exceeds 11%. As the core of bulk Heterojunction Polymer solar cells, the heterojunction layer affects the open circuit voltage, fill factor and short-circuit current of the Heterojunction Polymer solar cell, and affects its energy conversion efficiency. Therefore, how to effectively control the microscopic morphology of the bulk heterojunction is one of the key issues to improve the energy conversion efficiency of the bulk heterojunction polymer solar cell. This paper systematically introduces the formation process of bulk heterojunction, summarizes and discusses the recent development of the heterojunction microstructure morphology control methods, with a view to the body heterojunction polymer solar cell preparation provide guidance and reference.