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首页> 外文期刊>Advanced energy materials >Single-Material Organic Solar Cells Based on Small Molecule Homojunctions: An Outdated Concept or a New Challenge for the Chemistry and Physics of Organic Photovoltaics?
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Single-Material Organic Solar Cells Based on Small Molecule Homojunctions: An Outdated Concept or a New Challenge for the Chemistry and Physics of Organic Photovoltaics?

机译：单层有机太阳能电池基于小分子同性全相源：过时的概念或有机光伏化学和物理学的新挑战？

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摘要

Single-material organic solar cells (SMOSCs) are on the forefront of research on organic photovoltaics (OPV). The generic term of SMOSCs encompasses a large variety of chemical structures implying very different basic concepts. Polydisperse double cable polymers and oligomers with acceptor groups linked to the conjugated backbone by a flexible spacer and donor-acceptor block copolymers are at present, the most investigated and efficient systems with spectacular progress in conversion efficiency achieved in the past 2-3 years. However, besides this mainstream SMOSCs research, a few recent publications describe OPV cells constituted of homojunctions based on small pi-conjugated molecules. While the process of charge generation in such systems is still a matter of debate due in particular to the possible direct photogeneration of charge-carriers, devices with significant performance have been recently reported. After a brief overview of the most recent advances on the various types of SMOSCs, recent remarkable results on homojunction OPV cells based on small pi-conjugated molecules are discussed in order to highlight the potential fundamental and technological interest of this emerging field of research.
机译：单材料有机太阳能电池（SMOSC）是有机光伏（OPV）研究的前沿。 SMOSC的通用项包括各种各样的化学结构，暗示了非常不同的基本概念。多分散＆双电缆＆＆目前，具有与舒适的间隔和供体嵌段共聚物连接到缀合的主链的受体基团的聚合物和低聚物，目前，在过去的2-3岁之间取得的转化效率的壮观进展，最高有效的系统。然而，除了这种主流SMOSCS研究之外，最近的出版物描述了基于小型PI缀合分子的同性全相块构成的OPV细胞。虽然这种系统中的充电过程仍然是辩论的问题，特别是对于可能的电荷载体的可能的直接荧光，最近已经报道了具有显着性能的装置。在简要概述各种类型的SMOSCS上最新进展之后，探讨了基于小型PI缀合分子的同源关胺细胞的最近显着的结果，以突出该新兴研究领域的潜在基础和技术兴趣。

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