Inducing formation of a corrugated, white-light emitting 2D lead-bromide perovskite via subtle changes in templating cation

Benny Febriansyah; David Giovanni; Sankaran Ramesh; Teck Ming Koh; Yongxin Li; Tze Chien Sum; Nripan Mathews; Jason England

doi:10.1039/C9TC05357C

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Inducing formation of a corrugated, white-light emitting 2D lead-bromide perovskite via subtle changes in templating cation†

Benny Febriansyah,^abc David Giovanni,

^d Sankaran Ramesh,

^bcd Teck Ming Koh,

^b Yongxin Li,^a Tze Chien Sum,

^d Nripan Mathews

^be and Jason England

*^a

Author affiliations

* Corresponding authors

^a Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
E-mail: Jengland@ntu.edu.sg

^b Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore 637553, Singapore

^c Interdisciplinary Graduate School (IGS), 50 Nanyang Avenue, Singapore 639798, Singapore

^d Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore

^e School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore

Abstract

Of a series of new 2D lead-bromide perovskites, templated by closely related dications 1–5, a corrugated (110)-oriented structure was attained only in one, 1[PbBr₄]. The others display (100) structures. Upon excitation by UV-light, 1[PbBr₄] exhibits intrinsic white-light emission that is “colder” than previously reported for this class of compounds.

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DOI: https://doi.org/10.1039/C9TC05357C
Article type: Communication
Submitted: 30 Sep 2019
Accepted: 22 Nov 2019
First published: 28 Nov 2019

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J. Mater. Chem. C, 2020,8, 889-893

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Inducing formation of a corrugated, white-light emitting 2D lead-bromide perovskite via subtle changes in templating cation

B. Febriansyah, D. Giovanni, S. Ramesh, T. M. Koh, Y. Li, T. C. Sum, N. Mathews and J. England, J. Mater. Chem. C, 2020, 8, 889 DOI: 10.1039/C9TC05357C

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Journal of Materials Chemistry C

Inducing formation of a corrugated, white-light emitting 2D lead-bromide perovskite via subtle changes in templating cation†

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Inducing formation of a corrugated, white-light emitting 2D lead-bromide perovskite via subtle changes in templating cation

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