Stabilized wide bandgap MAPbBrxI3-x perovskite by enhanced grain size and improved crystallinity

Hu, Miao; Bi, Cheng; Yuan, Yongbo; Bai, Yang; Huang, Jinsong

doi:10.1002/advs.201500301

Title: Stabilized wide bandgap MAPbBr_xI_3-x perovskite by enhanced grain size and improved crystallinity

Journal Article · Mon Dec 07 00:00:00 EST 2015 · Advanced Science

DOI:https://doi.org/10.1002/advs.201500301· OSTI ID:1238044

Hu, Miao ^[1]; Bi, Cheng ^[1]; Yuan, Yongbo ^[1]; Bai, Yang ^[1]; Huang, Jinsong ^[1]

Univ. of Nebraska, Lincoln, NE (United States)

In this study, the light instability of CH₃NH₃PbI_xBr_3–x has been raised one of the biggest challenges for its application in tandem solar cells. Here we show that an improved crystallinity and grain size of CH₃NH₃PbI_xBr_3–x films could stabilize these materials under one sun illumination, improving both the efficiency and stability of the wide-bandgap perovskite solar cells.

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Research Organization:: Univ. of Nebraska, Lincoln, NE (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: EE0006709

OSTI ID:: 1238044

Journal Information:: Advanced Science, Vol. 14, Issue 2; ISSN 2198-3844

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 201 works

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Title: Stabilized wide bandgap MAPbBr_xI_3-x perovskite by enhanced grain size and improved crystallinity