Hydrophobic Metal Halide Perovskites for Visible-Light Photoredox C−C Bond Cleavage and Dehydrogenation Catalysis

Zonghan Hong; Wee Kiang Chong; Andrew Yun Ru Ng; Mingjie Li; Rakesh Ganguly; Tze Chien Sum; Han Sen Soo

doi:10.1002/anie.201812225

Hydrophobic Metal Halide Perovskites for Visible-Light Photoredox C−C Bond Cleavage and Dehydrogenation Catalysis

Zonghan Hong, Wee Kiang Chong, Andrew Yun Ru Ng, Mingjie Li, Rakesh Ganguly, Tze Chien Sum^*, Han Sen Soo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

92 Citations (Scopus)

Abstract

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. Owing to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline-2-carboxylic acids. (HDA) ₂ PbI ₄ or (HDA) ₂ SnI ₄ were investigated as photoredox catalysts for these reactions, and quantitative conversion and high yields were observed with the former.

Original language	English
Pages (from-to)	3456-3460
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	58
Issue number	11
DOIs	https://doi.org/10.1002/anie.201812225
Publication status	Published - Mar 11 2019
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

ASJC Scopus Subject Areas

Catalysis
General Chemistry

Keywords

decarboxylation
hydrophobic perovskites
photocatalysis
photooxidation
two-dimensional materials

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10.1002/anie.201812225

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title = "Hydrophobic Metal Halide Perovskites for Visible-Light Photoredox C−C Bond Cleavage and Dehydrogenation Catalysis",

abstract = " 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. Owing to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline-2-carboxylic acids. (HDA) 2 PbI 4 or (HDA) 2 SnI 4 were investigated as photoredox catalysts for these reactions, and quantitative conversion and high yields were observed with the former.",

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AU - Hong, Zonghan

AU - Chong, Wee Kiang

AU - Ng, Andrew Yun Ru

AU - Li, Mingjie

AU - Ganguly, Rakesh

AU - Sum, Tze Chien

AU - Soo, Han Sen

PY - 2019/3/11

Y1 - 2019/3/11

N2 - 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. Owing to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline-2-carboxylic acids. (HDA) 2 PbI 4 or (HDA) 2 SnI 4 were investigated as photoredox catalysts for these reactions, and quantitative conversion and high yields were observed with the former.

AB - 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. Owing to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline-2-carboxylic acids. (HDA) 2 PbI 4 or (HDA) 2 SnI 4 were investigated as photoredox catalysts for these reactions, and quantitative conversion and high yields were observed with the former.

KW - decarboxylation

KW - hydrophobic perovskites

KW - photocatalysis

KW - photooxidation

KW - two-dimensional materials

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Hydrophobic Metal Halide Perovskites for Visible-Light Photoredox C−C Bond Cleavage and Dehydrogenation Catalysis

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Keywords

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