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Recent Progress on Hole‐Transporting Materials for Emerging Organometal Halide Perovskite Solar Cells

Recent Progress on Hole‐Transporting Materials for Emerging Organometal Halide Perovskite Solar... In less than three years, the photovoltaic community has witnessed a rapid emergence of a new class of solid‐state heterojunction solar cells based on solution‐processable organometal halide perovskite absorbers. The energy conversion efficiency of solid‐state perovskite solar cells (PSCs) has been quickly increased to a certified value of 20.1% by the end of 2014 because of their unique characteristics, such as a broad spectral absorption range, large absorption coefficient, high charge carrier mobility and diffusion length. Here, the focus is specifically on recent developments of hole‐transporting materials (HTMs) in PSCs, which are essential components for achieving high solar cell efficiencies. Some fundamentals with regard to PSCs are first presented, including the history of PSCs, device architectures and general operational principles of PSCs as well as various techniques developed for the fabrications of uniform and dense perovskite complexes. A broad range of the state‐of‐the‐art HTMs being used in PSCs are then discussed in detail. Finally, an outlook on the design of more efficient HTMs for highly efficient PSCs is addressed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Recent Progress on Hole‐Transporting Materials for Emerging Organometal Halide Perovskite Solar Cells

Advanced Energy Materials , Volume 5 (12) – Jun 1, 2015

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References (132)

Publisher
Wiley
Copyright
Copyright © 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201500213
Publisher site
See Article on Publisher Site

Abstract

In less than three years, the photovoltaic community has witnessed a rapid emergence of a new class of solid‐state heterojunction solar cells based on solution‐processable organometal halide perovskite absorbers. The energy conversion efficiency of solid‐state perovskite solar cells (PSCs) has been quickly increased to a certified value of 20.1% by the end of 2014 because of their unique characteristics, such as a broad spectral absorption range, large absorption coefficient, high charge carrier mobility and diffusion length. Here, the focus is specifically on recent developments of hole‐transporting materials (HTMs) in PSCs, which are essential components for achieving high solar cell efficiencies. Some fundamentals with regard to PSCs are first presented, including the history of PSCs, device architectures and general operational principles of PSCs as well as various techniques developed for the fabrications of uniform and dense perovskite complexes. A broad range of the state‐of‐the‐art HTMs being used in PSCs are then discussed in detail. Finally, an outlook on the design of more efficient HTMs for highly efficient PSCs is addressed.

Journal

Advanced Energy MaterialsWiley

Published: Jun 1, 2015

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