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Recent Progress on Hole-Transporting Materials for Emerging Organometal Halide Perovskite Solar Cells
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.ORCID iD: 0000-0002-4521-2870
2015 (English)In: ADVANCED ENERGY MATERIALS, ISSN 1614-6832, Vol. 5, no 12, 1500213Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2015. Vol. 5, no 12, 1500213
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-170967DOI: 10.1002/aenm.201500213ISI: 000356440900009Scopus ID: 2-s2.0-84928155161OAI: oai:DiVA.org:kth-170967DiVA: diva2:841455
Note

QC 20150713

Available from: 2015-07-13 Created: 2015-07-13 Last updated: 2015-07-13Bibliographically approved

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