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Square-Centimeter Solution-Processed Planar CH3NH3PbI3Perovskite Solar Cells with Efficiency Exceeding 15%

Author(s): Mengjin Yang ¹ , Yuanyuan Zhou ² , Yining Zeng ¹ , Chun-Sheng Jiang ¹ , Nitin P. Padture ² , Kai Zhu ¹

Publication date (Electronic): September 28 2015

Journal: Advanced Materials

Publisher: Wiley

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Abstract

The preparation of uniform, high-crystallinity planar perovskite films with high-aspect-ratio grains over a square-inch area is demonstrated. The best power conversion efficiency (PCE) of 16.3% (stabilized output of ≈15.6%) is obtained for a planar perovskite solar cell (PSC) with 1.2 cm2 active area, and the PCE jumps to 18.3% (stabilized output of ≈17.5%) for a PSC with a 0.12 cm2 active area.

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Most cited references 28

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Anomalous Hysteresis in Perovskite Solar Cells.

Henry J Snaith, Antonio Abate, James M Ball … (2014)

Perovskite solar cells have rapidly risen to the forefront of emerging photovoltaic technologies, exhibiting rapidly rising efficiencies. This is likely to continue to rise, but in the development of these solar cells there are unusual characteristics that have arisen, specifically an anomalous hysteresis in the current-voltage curves. We identify this phenomenon and show some examples of factors that make the hysteresis more or less extreme. We also demonstrate stabilized power output under working conditions and suggest that this is a useful parameter to present, alongside the current-voltage scan derived power conversion efficiency. We hypothesize three possible origins of the effect and discuss its implications on device efficiency and future research directions. Understanding and resolving the hysteresis is essential for further progress and is likely to lead to a further step improvement in performance.

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Efficient, high yield perovskite photovoltaic devices grown by interdiffusion of solution-processed precursor stacking layers

Zhengguo Xiao, Jing-Cheng Bi, Yuchuan Shao … (2014)

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Hysteresis-less inverted CH3NH3PbI3planar perovskite hybrid solar cells with 18.1% power conversion efficiency

Tae Kyu Ahn, Sang Im, Hye Han … (2015)

0 comments Cited 333 times – based on 0 reviews      Review now

Author and article information

Journal

Title: Advanced Materials

Abbreviated Title: Adv. Mater.

Publisher: Wiley

ISSN: 09359648

Publication date Created: November 2015

Publication date (Print): November 2015

Publication date (Electronic): September 28 2015

Volume: 27

Issue: 41

Pages: 6363-6370

Affiliations

[1 ]National Renewable Energy Laboratory; 15013 Denver West Parkway Golden CO 80401 USA

[2 ]School of Engineering; Brown University; Providence RI 02912 USA

Article

DOI: 10.1002/adma.201502586

PubMed ID: 26414514

SO-VID: 1602ddae-64b0-4624-a91f-7f10dbabe2f9

Copyright © © 2015

License:

http://doi.wiley.com/10.1002/tdm_license_1.1

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