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Title: Stabilized wide bandgap MAPbBr xI 3-x perovskite by enhanced grain size and improved crystallinity

In this study, the light instability of CH 3NH 3PbI 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 CH 3NH 3PbI 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.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Univ. of Nebraska, Lincoln, NE (United States)
Publication Date:
Grant/Contract Number:
EE0006709
Type:
Accepted Manuscript
Journal Name:
Advanced Science
Additional Journal Information:
Journal Volume: 14; Journal Issue: 2; Journal ID: ISSN 2198-3844
Publisher:
Wiley
Research Org:
Univ. of Nebraska, Lincoln, NE (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1238044