Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep19834
Title: Controlled growth of CH 3 NH 3 PbI 3 nanowires in arrays of open nanofluidic channels
Authors: Spina, M 
Bonvin, E
Sienkiewicz, A
Forró, L
Horváth, E
Issue Date: 2016
Publisher: Nature Publishing Group
Citation: Spina, M, Bonvin, E, Sienkiewicz, A, Forró, L, Horváth, E (2016). Controlled growth of CH 3 NH 3 PbI 3 nanowires in arrays of open nanofluidic channels. Scientific Reports 6 : 19834. ScholarBank@NUS Repository. https://doi.org/10.1038/srep19834
Rights: Attribution 4.0 International
Abstract: Spatial positioning of nanocrystal building blocks on a solid surface is a prerequisite for assembling individual nanoparticles into functional devices. Here, we report on the graphoepitaxial liquid-solid growth of nanowires of the photovoltaic compound CH 3 NH 3 PbI 3 in open nanofluidic channels. The guided growth, visualized in real-time with a simple optical microscope, undergoes through a metastable solvatomorph formation in polar aprotic solvents. The presently discovered crystallization leads to the fabrication of mm 2 -sized surfaces composed of perovskite nanowires having controlled sizes, cross-sectional shapes, aspect ratios and orientation which have not been achieved thus far by other deposition methods. The automation of this general strategy paves the way towards fabrication of wafer-scale perovskite nanowire thin films well-suited for various optoelectronic devices, e.g. solar cells, lasers, light-emitting diodes and photodetectors.
Source Title: Scientific Reports
URI: https://scholarbank.nus.edu.sg/handle/10635/182511
ISSN: 2045-2322
DOI: 10.1038/srep19834
Rights: Attribution 4.0 International
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