Highly efficient organic photovoltaics via incorporation of solution-processed cesium stearate as the cathode interfacial layer

ACS Applied Materials & Interfaces
Guojie WangJunfeng Fang

Abstract

Highly efficient organic solar cells were successfully demonstrated by incorporating a solution-processed cesium stearate between the photoactive layer and metal cathode as a novel cathode interfacial layer. The analysis of surface potential change indicated the existence of an interfacial dipole between the photoactive layer and metal electrode, which was responsible for the power conversion efficiency (PCE) enhancement of devices. The significant improvement in the device performance and the simple preparation method by solution processing suggested a promising and practical pathway to improve the efficiency of the organic solar cells.

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Citations

Nov 5, 2016·Advanced Science·Zhigang YinQingdong Zheng
May 11, 2016·ACS Applied Materials & Interfaces·Sebastian StolzGerardo Hernandez-Sosa
Apr 8, 2014·ACS Applied Materials & Interfaces·Sebastian StolzGerardo Hernandez-Sosa
Jun 29, 2017·ACS Applied Materials & Interfaces·Nallan ChakravarthiSung-Ho Jin

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