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n型分子光伏材料:设计策略和设备应用

Qihui Yue^1,2, Wuyue Liu^1,2, Xiaozhang Zhu^1,2

¹Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.

Journal of the American Chemical Society

|May 29, 2020

概括

高性能有机光伏 (OPV) 使用新型n型非富勒烯接受器,效率超过17%. 这一突破使建筑物集成的光伏到室内能源采集等多种应用成为可能.

科学领域:

材料科学
可再生能源
有机电子

背景情况:

有机光伏 (OPV) 具有灵活性和解决方案可处理性等优势.
电子受体对OPV性能至关重要,n型非富勒烯分子具有显著的前景.
富勒烯衍生物一直是传统的受体,但非富勒烯分子提供更高的可调性和效率.

研究的目的:

分析高性能n型分子光伏材料的设计策略.
突出这些材料在先进的太阳能电池设计中的应用.
审查OPV商业化的挑战和未来方向.

主要方法:

对n型分子光伏材料的主要设计策略的分析.
对三元和双元太阳能电池的应用进行审查.
对高效半透明和室内OPV进行检查.

主要成果:

N型非富勒烯分子提供合成简单性,可调节性质和低能耗.
使用这些分子的有机太阳能电池已经超过了17%的能量转换效率.
在专业应用中出现了OPV的新机遇.

结论:

N型非富勒烯分子材料是OPV技术发展的关键.
需要进一步研究以解决效率,稳定性和大面积制造的商业化问题.
OPV显示出各种应用的潜力,包括建筑集成和室内能源采集.

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P-N junction

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...