A new class of chiral semiconductors: chiral-organic-molecule-incorporating organic–inorganic hybrid perovskites

Ahn, Jihoon; Lee, Eunsong; Tan, Jeiwan; Yang, Wooseok; Kim, Bokyung; Moon, Jooho

doi:10.1039/c7mh00197e

Cited by 336 publications

(462 citation statements)

References 33 publications

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“…The CD spectra of semiconductor inorganic nanomaterials have been illustrated . However, the resulted g ‐factors (the measure of the strength of the CD signal at a given extinction intensity) of such materials are relatively small and are dependent on colloidal chemistry, which limits the practical device development and indicates the difficulty in fabricating thin films from the nanoparticle‐like morphology and the formation of a dielectric barrier by the organic components . Recent studies revealed that perovskites could provide a platform wherein the inorganic framework could be readily copped with a wide range of chiral components to form chiral perovskite crystals, exhibiting CD signals with strong g ‐factors.…”

Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

“…Recent studies revealed that perovskites could provide a platform wherein the inorganic framework could be readily copped with a wide range of chiral components to form chiral perovskite crystals, exhibiting CD signals with strong g ‐factors. Ahn et al incorporated S ‐ and R ‐MBA into the layered lead iodide perovskite structure and obtained chiral perovskite structure of ( S ‐MBA) 2 PbI 4 and ( R ‐MBA) 2 PbI 4 . The transmission CD spectra, as depicted in Figure a, displayed optical activity located in the region of 350–800 nm, which can be attributed to the incorporation of organic cations.…”

Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

“…a) Transmission CD spectra (up), and normalized extinction spectra of ( S ‐MBA) 2 PbI 4 , ( R ‐MBA) 2 PbI 4 , and ( rac ‐MBA) 2 PbI 4 films on soda lime glass (down). Reproduced with permission . Copyright 2018, Royal Society of Chemistry.…”

Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chiral Perovskites: Promising Materials toward Next‐Generation Optoelectronics

Dong

Zhang

et al. 2019

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Halide perovskites have emerged as a type of extremely promising material for their diverse chemical and electronic structures along with their brilliant optoelectronic properties. The introduction of chirality into perovskite scaffolds, generating a novel concept of chiral perovskite materials, offers an immense step forward toward the development of smart optoelectronic and spintronic materials and devices. The present Review summarizes recent advances in such an emerging field regarding the design and construction of chiral perovskite materials, along with their optoelectronic performances. In addition, an outlook of future challenges as well as the potential significance of the chiral perovskite family on the optical communication is proposed.

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Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

Section: Properties Of Chiral Perovskite Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chiral Perovskites: Promising Materials toward Next‐Generation Optoelectronics

Dong

Zhang

et al. 2019

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“…Chirality describes the configuration or handedness (left or right) of an asymmetric material system. Chiral materials have low symmetry but contain two mirror‐image states and they are difficult to distinguish synthetically but can be distinguished geometrically . Chirality transfer is shown in Figure a, where 〈n〉 represents the average number of inorganic layers that are separated by the larger‐scale organic ligands .…”

Section: Various Approaches To Construct Hop Spin‐related Optoelectromentioning

confidence: 99%

Spintronics of Hybrid Organic–Inorganic Perovskites: Miraculous Basis of Integrated Optoelectronic Devices

Liao

Cheng

et al. 2019

Advanced Optical Materials

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Hybrid organic–inorganic perovskite (HOP) spintronics aims to make full use of the properties of electron spin. HOP spintronics has recently emerged as a promising field of research because it provides a new precisely manipulable degree of freedom. The flourishing development activity in this field has benefited from the unique intrinsic spin‐related optoelectronic properties of HOPs, which include triplet formation, a large Stark effect, the magneto‐optical effect, polarized light‐related effects, and complex light emission characteristics, which offer the possibility of providing a new way to control the performance of integrated optoelectronic devices through spin interactions between photons and electrons. Along with the continuous improvements in the theoretical research into HOP spintronics, large numbers of novel optoelectronic devices have been proposed and demonstrated experimentally and have shown great potential for fabrication of next‐generation, high‐performance integrated optoelectronic chips. This review provides an overview of the fundamental principles, novel spin‐generated physical effects, and diverse structures of HOP spintronics systems, along with the applications of HOP spintronics in optoelectronic devices, while also undertaking a general review of the remaining challenges and proposing possible development directions that require further study for the application of HOP spintronics to integrated optoelectronic devices.

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Copper Iodide Based Hybrid Phosphors for Energy‐Efficient General Lighting Technologies

Liu

2018

Adv Funct Materials

221

200

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Solid-state-lighting (SSL) technology is a new lighting technology that is rapidly replacing conventional lighting sources because it is much more energy efficient, longer lasting, and contributes significantly to the environmental protection. A main branch of SSL technology are light-emitting diodes (LEDs), and white-light LEDs (WLEDs) are of the greatest demand for general lighting and illumination applications. Current WLED devices rely heavily on rare-earth elements (REEs), which will likely suffer from cost and supply risks and environmental consequences in the near future. Crystalline inorganic-organic hybrid materials based on I-VII binary semiconductors represent a promising material class as REE-free phosphor alternatives. This article provides an brief overview of recent advancement on this material family, with a focus on the rational design, energy efficient and This article is protected by copyright. All rights reserved. 2 low cost synthesis, systematic modification and optimization of their electronic, optical and thermal properties. A particular emphasis will be made on our own progress over the past several years in developing four classes of CuI(L) structures with substantially improved performance as energy-saving lighting phosphors. General strategies for structural design, synthesis and property optimization of these materials will also be discussed.

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A new class of chiral semiconductors: chiral-organic-molecule-incorporating organic–inorganic hybrid perovskites

Abstract: Chiral organic–inorganic hybrid perovskites exhibiting circular dichroism were prepared as a new class of chiral semiconductors.

Cited by 336 publications

References 33 publications

Chiral Perovskites: Promising Materials toward Next‐Generation Optoelectronics

Chiral Perovskites: Promising Materials toward Next‐Generation Optoelectronics

Spintronics of Hybrid Organic–Inorganic Perovskites: Miraculous Basis of Integrated Optoelectronic Devices

Copper Iodide Based Hybrid Phosphors for Energy‐Efficient General Lighting Technologies

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