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Optoelectronic Properties of Organic Semiconductors Charge Generation and Recombination in Next-Generation Photovoltaic Devices
Author
Title
Optoelectronic Properties of Organic Semiconductors [electronic resource] : Charge Generation and Recombination in Next-Generation Photovoltaic Devices / by Nasim Zarrabi.
ISBN
9783030931629
Edition
1st ed. 2022.
Publication
Cham : Springer International Publishing : Imprint: Springer, 2022.
Physical Description
1 online resource (XV, 105 p.) 58 illus., 50 illus. in color.
Local Notes
Access is available to the Yale community.
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Access restricted by licensing agreement.
Summary
This book focuses on organic semiconductors with particular attention paid to their use as photovoltaic devices. It addresses a fundamental and hitherto overlooked concept in the field of organic optoelectronics, namely the role that sub-gap states play in the performance of organic semiconducting devices. From a technological point of view, organic semiconductor-based devices are of significant interest due to their lightweight, ease of processability, conformal flexibility, and potentially low cost and low embodied energy production. Motivated by these rather unique selling points, the performance of organic semiconductors has been a subject of multidisciplinary study for more than 60 years with steady progress in applications such as solar cells, transistors, light emitting diodes, and various sensors. The book begins with a review of the main electro-optical phenomena in organic solar cells and presents a new method for measuring exciton diffusion lengths based on a low-quencher-content device structure. Furthermore, the book reveals how mid-gap trap states are a universal feature in organic semiconductor donor-acceptor blends, unexpectedly contributing to charge generation and recombination, and having profound impact on the thermodynamic limit of organic photovoltaic devices. Featuring cutting-edge experimental observations supported with robust and novel theoretical arguments, this book delivers important new insight as to the underlying dynamics of exciton generation and diffusion, charge transfer state dissociation, and indeed the ultimate fate of photogenerated free carriers.
Variant and related titles
Springer ENIN.
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Printed edition:
Format
Books / Online
Language
English
Added to Catalog
March 07, 2022
Series
SpringerBriefs in Materials,
Contents
Introduction
Electro-Optical Phenomena in Organic Solar Cells
Anomalous Exciton Quenching in Organic Semiconductors
On the Effect of Mid-gap Trap States on the Thermodynamic Limit of OPV Devices
Relating Charge Transfer State Kinetics and Strongly Reduced Bimolecular Recombination in Organic Solar Cells.
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