Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Abstract

In the last decades, organic electronics has become an important field due to their numerous advantages, among others low-cost processability, high scalability, flexibility, light weight and short energy payback time. However, due to their organic nature, the functioning of the devices is impaired in the presence of oxygen, light, heat and humidity — factors found in a normal working environment. Several directions can be followed in order to minimize these losses. Main strategies include development of efficient encapsulation layers, implementation of additional barrier and UV blocking layers, synthesis of intrinsically more photochemically stable active layer materials, and stabilization of active layers by blending of stabilizing compounds such as antioxidants, radical scavengers and UV absorbers. This chapter places the focus on additive-assisted stabilization of organic devices, specifically organic photovoltaics. In this context, we are going to give an overview of the main classes of compounds that are being used for this purpose, and discuss the role of additives to promote both photochemical and morphological stabilization. The chapter will give an overview of the existing results in the field, along with an extensive collection of additives known to have been tested in different organic devices.
Original languageEnglish
Title of host publicationWorld Scientific Reference of Hybrid Materials : Volume 2: Devices from Hybrid and Organic Materials
EditorsVida Turkovic, Morten Madsen, Horst-Günter Rubahn
Number of pages55
Volume2
PublisherWorld Scientific Publishing Co. Pte Ltd
Publication date14. Mar 2019
Pages367-421
Chapter12
ISBN (Print)978-981-3270-48-0
ISBN (Electronic)978-981-3270-48-0
DOIs
Publication statusPublished - 14. Mar 2019
SeriesWorld Scientific Reference of Hybrid Materials
Volume2

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Stabilization
Degradation
Encapsulation
Scalability
Atmospheric humidity
Electronic equipment
Antioxidants
Oxygen
Organic solar cells
Costs
Hot Temperature
Direction compound

Cite this

Engmann, V., & Madsen, M. (2019). Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives. In V. Turkovic, M. Madsen, & H-G. Rubahn (Eds.), World Scientific Reference of Hybrid Materials: Volume 2: Devices from Hybrid and Organic Materials (Vol. 2, pp. 367-421). World Scientific Publishing Co. Pte Ltd. World Scientific Reference of Hybrid Materials, Vol.. 2 https://doi.org/10.1142/9789813270541_0012
Engmann, Vida ; Madsen, Morten. / Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives. World Scientific Reference of Hybrid Materials: Volume 2: Devices from Hybrid and Organic Materials. editor / Vida Turkovic ; Morten Madsen ; Horst-Günter Rubahn. Vol. 2 World Scientific Publishing Co. Pte Ltd, 2019. pp. 367-421 (World Scientific Reference of Hybrid Materials, Vol. 2).
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Engmann, V & Madsen, M 2019, Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives. in V Turkovic, M Madsen & H-G Rubahn (eds), World Scientific Reference of Hybrid Materials: Volume 2: Devices from Hybrid and Organic Materials. vol. 2, World Scientific Publishing Co. Pte Ltd, World Scientific Reference of Hybrid Materials, vol. 2, pp. 367-421. https://doi.org/10.1142/9789813270541_0012

Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives. / Engmann, Vida; Madsen, Morten.

World Scientific Reference of Hybrid Materials: Volume 2: Devices from Hybrid and Organic Materials. ed. / Vida Turkovic; Morten Madsen; Horst-Günter Rubahn. Vol. 2 World Scientific Publishing Co. Pte Ltd, 2019. p. 367-421 (World Scientific Reference of Hybrid Materials, Vol. 2).

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

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AB - In the last decades, organic electronics has become an important field due to their numerous advantages, among others low-cost processability, high scalability, flexibility, light weight and short energy payback time. However, due to their organic nature, the functioning of the devices is impaired in the presence of oxygen, light, heat and humidity — factors found in a normal working environment. Several directions can be followed in order to minimize these losses. Main strategies include development of efficient encapsulation layers, implementation of additional barrier and UV blocking layers, synthesis of intrinsically more photochemically stable active layer materials, and stabilization of active layers by blending of stabilizing compounds such as antioxidants, radical scavengers and UV absorbers. This chapter places the focus on additive-assisted stabilization of organic devices, specifically organic photovoltaics. In this context, we are going to give an overview of the main classes of compounds that are being used for this purpose, and discuss the role of additives to promote both photochemical and morphological stabilization. The chapter will give an overview of the existing results in the field, along with an extensive collection of additives known to have been tested in different organic devices.

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Engmann V, Madsen M. Inhibiting Photo-oxidative Degradation in Organic Solar Cells using Stabilizing Additives. In Turkovic V, Madsen M, Rubahn H-G, editors, World Scientific Reference of Hybrid Materials: Volume 2: Devices from Hybrid and Organic Materials. Vol. 2. World Scientific Publishing Co. Pte Ltd. 2019. p. 367-421. (World Scientific Reference of Hybrid Materials, Vol. 2). https://doi.org/10.1142/9789813270541_0012