Dimensional Reduction of Cs2AgBiBr6 Using Alkyl Ammonium Cations CH3(CH2)nNH3+ (n = 1, 2, 3, and 6) of Varying Chain Lengths and Their Role in Structural and Optoelectronic Properties
Abstract:Tuning the dimensionality in halide perovskites provides
an opportunity
to obtain the properties desired for optoelectronic devices. In this
work, we demonstrate the dimensional reduction of 3D halide double-perovskite
Cs2AgBiBr6 by systematically introducing alkylammonium
organic spacer CH3(CH2)
n
NH3
+ (n = 1, 2, 3, and
6) of varying chain lengths. The single crystals of these materials
were grown, and their structures were studied at 23 and −93
°C. The ethylammonium cation led to a formation of a 0D materia… Show more
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