Hydrophobic metal halide perovskites for visible-light photoredox C-C bond cleavage and dehydrogenation catalysis

Hydrophobic metal halide perovskites for visible-light photoredox C-C bond cleavage and dehydrogenation catalysis

Two-dimensional lead and tin halide perovskites were prepared by intercalating the long alkyl group 1-hexadecylammonium (HDA) between the inorganic layers. We observed visible-light absorption, narrow-band photoluminescence, and nanosecond photoexcited lifetimes in these perovskites. Due to their hy...

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Bibliographic Details
Main Authors: Hong, Zonghan, Chong, Wee Kiang, Ng, Andrew Yun Ru, Li, Mingjie, Ganguly, Rakesh, Sum, Tze Chien, Soo, Han Sen
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2019
Subjects:
Metal Halide Perovskites
Photoredox Catalysis
DRNTU::Science::Chemistry
Online Access:https://hdl.handle.net/10356/81025
http://hdl.handle.net/10220/47969
https://doi.org/10.21979/N9/WHCAAN
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Institution: Nanyang Technological University
Language: English
Description
Summary:Two-dimensional lead and tin halide perovskites were prepared by intercalating the long alkyl group 1-hexadecylammonium (HDA) between the inorganic layers. We observed visible-light absorption, narrow-band photoluminescence, and nanosecond photoexcited lifetimes in these perovskites. Due to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline acids using (HDA)2PbI4 or (HDA)2SnI4 as photoredox catalysts, with quantitative conversions and high yields for the former. We highlight another original application of the metal halide perovskites.

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