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Interface Stability of Polymer and Small-Molecule Organic Photovoltaics

Degradation Mechanisms, Characterization Techniques, and Improvement Approaches

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Organic Solar Cells

Part of the book series: Green Energy and Technology ((GREEN))

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Abstract

In this chapter, the interface degradation mechanisms in organic photovoltaics (OPVs) will be discussed. The interface instability is mainly ascribed to the diffusion of oxygen and water into the electrode materials as well as the interface modification layer between electrode and organic layer. Furthermore, the commonly used characterization techniques are presented, which are quite helpful to understand the origin of the interface instability and their level of impact. In particular, these techniques reveal optical and electrical changes at the interface. Therefore, the analysis on the interface degradation and development of characterization techniques would contribute to the understanding of interface stability and further enhance the entire device lifetime.

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Authors and Affiliations

  1. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore

    D. W. Zhao

  2. Department of Electrical Engineering and Computer Science, The University of Michigan, Ann Arbor, Michigan, 48109, USA

    D. W. Zhao

  3. Institute of Materials Research and Engineering 3 Research Link, Singapore, 117602, Singapore

    L. Ke

  4. Key Laboratory for Organic Electronics and Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing, Jiangsu, 210046, China

    W. Huang

  5. Department of Electronic and Computer Engineering, South University of Science and Technology of China, Shenzhen, 518055, Guangdong, China

    X. W. Sun

  6. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore

    X. W. Sun

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  1. D. W. Zhao
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  2. L. Ke
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  3. W. Huang
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  4. X. W. Sun
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Correspondence to X. W. Sun .

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  1. , Department of Electrical & Electronic, The University of Hong Kong, Pokfulam Road, Hong Kong, China, People's Republic

    Wallace C.H. Choy

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Zhao, D.W., Ke, L., Huang, W., Sun, X.W. (2013). Interface Stability of Polymer and Small-Molecule Organic Photovoltaics. In: Choy, W. (eds) Organic Solar Cells. Green Energy and Technology. Springer, London. https://doi.org/10.1007/978-1-4471-4823-4_6

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