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Stable and Efficient Perovskite Solar Cells Based on Titania Nanotube Arrays
Author(s) -
Qin Peng,
Paulose Maggie,
Dar M. Ibrahim,
Moehl Thomas,
Arora Neha,
Gao Peng,
Varghese Oomman K.,
Grätzel Michael,
Nazeeruddin Mohammad Khaja
Publication year - 2015
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201501460
Subject(s) - perovskite (structure) , materials science , nanotube , nanotechnology , energy conversion efficiency , nanostructure , optoelectronics , chemical engineering , carbon nanotube , engineering
Highly ordered 1D TiO 2 nanotube arrays are fabricated and applied as nanocontainers and electron transporting material in CH 3 NH 3 PbI 3 perovskite solar cells. The optimized device shows a power conversion efficiency of 14.8%, and improved stability under an illumination of 100 mW cm −2 . This is the best result based on 1D TiO 2 nanostructures so far.
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