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Circularly polarized luminescence in chiral hybrid metal halides.

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Title: Circularly polarized luminescence in chiral hybrid metal halides.
Authors: Wei, Yi1 (AUTHOR), Kang, Huimin1 (AUTHOR), Wang, Yuxuan1 (AUTHOR), Liu, Yulian1 (AUTHOR), Quan, Zewei1 (AUTHOR) quanzw@sustech.edu.cn
Source: Chemical Society Reviews. 6/8/2026, Vol. 55 Issue 11, p6018-6036. 19p.
Subjects: Luminescence, Metal halides, Materials science, Scintillators, Light emitting diodes, Chirality, Forgery prevention
Abstract: Chiral hybrid metal halides (CHMHs) have emerged as a promising class of ionic crystalline materials for circularly polarized luminescence (CPL). In these materials, organic cations primarily act as chirality sources, whereas the inorganic frameworks serve as the luminescent centers. The interactions between chiral organic cations and inorganic frameworks enable intrinsic CPL emission. The soft and ionic nature of CHMHs further distinguishes them from conventional covalent luminophores, offering exceptional structural and chiroptical tunability. This tutorial review summarizes recent progress in CPL-active CHMHs, focusing on the fundamental routes for CPL generation, amplification and application. Representative synthetic strategies for CHMHs are introduced, followed by an analysis of luminescence mechanisms and their relevance to CPL generation. Key strategies to enhance CPL performance, including composition engineering and external-field regulation, are also reviewed. Beyond fundamental understanding, emerging applications enabled by the unique properties of CHMHs, including circularly polarized light-emitting diodes, CPL-resolved scintillators, and anti-counterfeiting technologies, are summarized. Finally, key challenges and future perspectives are outlined to guide the development of high-performance CHMH-based chiroptical materials and devices. [ABSTRACT FROM AUTHOR]
Copyright of Chemical Society Reviews is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194364693
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Circularly polarized luminescence in chiral hybrid metal halides.
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  Data: <searchLink fieldCode="AR" term="%22Wei%2C+Yi%22">Wei, Yi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kang%2C+Huimin%22">Kang, Huimin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Yuxuan%22">Wang, Yuxuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yulian%22">Liu, Yulian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Quan%2C+Zewei%22">Quan, Zewei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> quanzw@sustech.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Society+Reviews%22">Chemical Society Reviews</searchLink>. 6/8/2026, Vol. 55 Issue 11, p6018-6036. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Luminescence%22">Luminescence</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+halides%22">Metal halides</searchLink><br /><searchLink fieldCode="DE" term="%22Materials+science%22">Materials science</searchLink><br /><searchLink fieldCode="DE" term="%22Scintillators%22">Scintillators</searchLink><br /><searchLink fieldCode="DE" term="%22Light+emitting+diodes%22">Light emitting diodes</searchLink><br /><searchLink fieldCode="DE" term="%22Chirality%22">Chirality</searchLink><br /><searchLink fieldCode="DE" term="%22Forgery+prevention%22">Forgery prevention</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Chiral hybrid metal halides (CHMHs) have emerged as a promising class of ionic crystalline materials for circularly polarized luminescence (CPL). In these materials, organic cations primarily act as chirality sources, whereas the inorganic frameworks serve as the luminescent centers. The interactions between chiral organic cations and inorganic frameworks enable intrinsic CPL emission. The soft and ionic nature of CHMHs further distinguishes them from conventional covalent luminophores, offering exceptional structural and chiroptical tunability. This tutorial review summarizes recent progress in CPL-active CHMHs, focusing on the fundamental routes for CPL generation, amplification and application. Representative synthetic strategies for CHMHs are introduced, followed by an analysis of luminescence mechanisms and their relevance to CPL generation. Key strategies to enhance CPL performance, including composition engineering and external-field regulation, are also reviewed. Beyond fundamental understanding, emerging applications enabled by the unique properties of CHMHs, including circularly polarized light-emitting diodes, CPL-resolved scintillators, and anti-counterfeiting technologies, are summarized. Finally, key challenges and future perspectives are outlined to guide the development of high-performance CHMH-based chiroptical materials and devices. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chemical Society Reviews is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1039/d6cs00132g
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      – Code: eng
        Text: English
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        PageCount: 19
        StartPage: 6018
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      – SubjectFull: Luminescence
        Type: general
      – SubjectFull: Metal halides
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      – SubjectFull: Materials science
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      – SubjectFull: Scintillators
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      – SubjectFull: Light emitting diodes
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      – SubjectFull: Chirality
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      – SubjectFull: Forgery prevention
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      – TitleFull: Circularly polarized luminescence in chiral hybrid metal halides.
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            NameFull: Wei, Yi
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            NameFull: Kang, Huimin
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            NameFull: Wang, Yuxuan
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            NameFull: Liu, Yulian
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            NameFull: Quan, Zewei
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            – D: 08
              M: 06
              Text: 6/8/2026
              Type: published
              Y: 2026
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