Strong Excitonic Magneto-Optic Effects in Two-Dimensional Organic-Inorganic Hybrid Perovskites

Tzu Pei Chen; Jun Xiao Lin; Cheng Chieh Lin; Chi Ying Lin; We Chen Ke; Di Yan Wang; Hua Shu Hsu; Chia Chun Chen; Chun Wei Chen

doi:10.1021/acsami.0c20863

Strong Excitonic Magneto-Optic Effects in Two-Dimensional Organic-Inorganic Hybrid Perovskites

Tzu Pei Chen, Jun Xiao Lin, Cheng Chieh Lin, Chi Ying Lin, We Chen Ke, Di Yan Wang, Hua Shu Hsu^*, Chia Chun Chen, Chun Wei Chen^*

^*Corresponding author for this work

Department of Chemistry

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

14 Citations (Scopus)

Abstract

This work demonstrates the strong excitonic magneto-optic (MO) effects of magnetic circular dichroism (MCD) and Faraday rotation (FR) in nonmagnetic two-dimensional (2D) organic-inorganic hybrid Ruddlesden-Popper perovskites (RPPs) at room temperature. Due to their strong and sharp excitonic absorption as a result of unique quantum well structures of 2D RPPs, sizeable linear excitonic MO effects of MCD and FR can be observed at room temperature under a low magnetic field (<1 T) compared with their three-dimensional counterpart. In addition, since the band gaps of 2D organic-inorganic hybrid perovskites can be manipulated either by changing the number n of inorganic octahedral slabs per unit cell or through halide engineering, linear excitonic MO effects of 2D-RPPs can be observed through the broadband spectral ranges of visible light. Our result may pave the way for the promising research field of MO and magneto-optoelectronic applications based on 2D organic-inorganic hybrid perovskites with facile solution processes.

Original language	English
Pages (from-to)	10279-10286
Number of pages	8
Journal	ACS Applied Materials and Interfaces
Volume	13
Issue number	8
DOIs	https://doi.org/10.1021/acsami.0c20863
Publication status	Published - 2021 Mar 3

Keywords

Faraday rotation
broadband
exciton
magnetic circular dichroism
two-dimensional perovskite

ASJC Scopus subject areas

General Materials Science

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10.1021/acsami.0c20863

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title = "Strong Excitonic Magneto-Optic Effects in Two-Dimensional Organic-Inorganic Hybrid Perovskites",

abstract = "This work demonstrates the strong excitonic magneto-optic (MO) effects of magnetic circular dichroism (MCD) and Faraday rotation (FR) in nonmagnetic two-dimensional (2D) organic-inorganic hybrid Ruddlesden-Popper perovskites (RPPs) at room temperature. Due to their strong and sharp excitonic absorption as a result of unique quantum well structures of 2D RPPs, sizeable linear excitonic MO effects of MCD and FR can be observed at room temperature under a low magnetic field (<1 T) compared with their three-dimensional counterpart. In addition, since the band gaps of 2D organic-inorganic hybrid perovskites can be manipulated either by changing the number n of inorganic octahedral slabs per unit cell or through halide engineering, linear excitonic MO effects of 2D-RPPs can be observed through the broadband spectral ranges of visible light. Our result may pave the way for the promising research field of MO and magneto-optoelectronic applications based on 2D organic-inorganic hybrid perovskites with facile solution processes.",

keywords = "Faraday rotation, broadband, exciton, magnetic circular dichroism, two-dimensional perovskite",

author = "Chen, {Tzu Pei} and Lin, {Jun Xiao} and Lin, {Cheng Chieh} and Lin, {Chi Ying} and Ke, {We Chen} and Wang, {Di Yan} and Hsu, {Hua Shu} and Chen, {Chia Chun} and Chen, {Chun Wei}",

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AU - Chen, Tzu Pei

AU - Lin, Jun Xiao

AU - Lin, Cheng Chieh

AU - Lin, Chi Ying

AU - Ke, We Chen

AU - Wang, Di Yan

AU - Hsu, Hua Shu

AU - Chen, Chia Chun

AU - Chen, Chun Wei

N1 - Publisher Copyright: ©

PY - 2021/3/3

Y1 - 2021/3/3

N2 - This work demonstrates the strong excitonic magneto-optic (MO) effects of magnetic circular dichroism (MCD) and Faraday rotation (FR) in nonmagnetic two-dimensional (2D) organic-inorganic hybrid Ruddlesden-Popper perovskites (RPPs) at room temperature. Due to their strong and sharp excitonic absorption as a result of unique quantum well structures of 2D RPPs, sizeable linear excitonic MO effects of MCD and FR can be observed at room temperature under a low magnetic field (<1 T) compared with their three-dimensional counterpart. In addition, since the band gaps of 2D organic-inorganic hybrid perovskites can be manipulated either by changing the number n of inorganic octahedral slabs per unit cell or through halide engineering, linear excitonic MO effects of 2D-RPPs can be observed through the broadband spectral ranges of visible light. Our result may pave the way for the promising research field of MO and magneto-optoelectronic applications based on 2D organic-inorganic hybrid perovskites with facile solution processes.

AB - This work demonstrates the strong excitonic magneto-optic (MO) effects of magnetic circular dichroism (MCD) and Faraday rotation (FR) in nonmagnetic two-dimensional (2D) organic-inorganic hybrid Ruddlesden-Popper perovskites (RPPs) at room temperature. Due to their strong and sharp excitonic absorption as a result of unique quantum well structures of 2D RPPs, sizeable linear excitonic MO effects of MCD and FR can be observed at room temperature under a low magnetic field (<1 T) compared with their three-dimensional counterpart. In addition, since the band gaps of 2D organic-inorganic hybrid perovskites can be manipulated either by changing the number n of inorganic octahedral slabs per unit cell or through halide engineering, linear excitonic MO effects of 2D-RPPs can be observed through the broadband spectral ranges of visible light. Our result may pave the way for the promising research field of MO and magneto-optoelectronic applications based on 2D organic-inorganic hybrid perovskites with facile solution processes.

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KW - two-dimensional perovskite

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Strong Excitonic Magneto-Optic Effects in Two-Dimensional Organic-Inorganic Hybrid Perovskites

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Keywords

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