Highly-efficient polymer solar cells realized by tailoring conjugated skeleton of alcohol-soluble conjugated electrolytes

Jin, Xiufen; He, Yunping; Liu, Chao; Wu, Feiyan; Xu, Yang; Huang, Liqiang; Chen, Lie; Chen, Yiwang

doi:10.1016/j.solmat.2016.07.039

Cited by 3 publications

(1 citation statement)

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“…The authors concluded that in FPF, the quaternary ammonium bromide side chain spontaneously arranged to the surface of Al cathode and the backbone accumulated at the surface of active layer, thus forming an interface dipole and reducing the WF of Al cathode. Chen and co‐workers cleverly designed a series of fluorine based SME interlayers with the same ammonium salt pendant groups (2T‐(FN‐Br) 2 , 3T‐(FN‐Br) 2 , and 4T‐(FN‐Br) 2 , Scheme ) . The only difference lied in the conjugated length that was obtained by varying the numbers of thiophene bridges or terminal units.…”

Section: Small Molecule Cathode Interlayermentioning

confidence: 99%

Small Molecule Interlayers in Organic Solar Cells

Zhang

Usman

2018

Advanced Energy Materials

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This review provides an up‐to‐date review about the small molecule interlayers (SMIs) in organic solar cells (OSCs). Compared to polymer interlayers, SMIs exhibit intrinsic advantages such as easy synthesis and purification, monodispersity, well‐defined chemical structure, and high batch‐to‐batch reproducibility. Recently, various SMIs have been reported with landmark efficiencies of over 10% in both conventional and inverted OSCs, exhibiting promising potential in commercial application. In this review, the authors summarize the progress of SMIs from a device fabrication point of view, paying particular attention to the material categories, molecular design, preparation process, and applicable device structure. In addition, the working mechanisms of different SMIs are also discussed, including the structure–property relationships and the corresponding impact on device performance. Finally, a brief outlook is provided that includes opportunities and challenges in this emerging area.

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Section: Small Molecule Cathode Interlayermentioning

confidence: 99%