Alkali metal salt-assisted crystal structure switch of hybrid indium halides with near-unity photoluminescence quantum yield

Zhang, Shuai; Chen, Canxu; Chen, Yuanjie; Zou, Bingsuo; Zeng, Ruosheng

doi:10.1039/d4tc00152d

J. Mater. Chem. C

2024

DOI: 10.1039/d4tc00152d

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Alkali metal salt-assisted crystal structure switch of hybrid indium halides with near-unity photoluminescence quantum yield

Shuai Zhang,

Canxu Chen,

Yuanjie Chen

et al.

Abstract: In-based metal halides possess unique structures and optoelectronic properties but suffer from low luminescence efficiency. Rational doping and compositional control provide effective approaches for achieving high-efficiency and tunable emission in...

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Cited by 4 publications

References 46 publications

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Engineered Energy Transfer in Room Temperature Phosphorescent Materials for Time‐Resolved Dual‐Mode Encryption

Ren,

Zhang,

et al. 2024

Adv Funct Materials

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Room temperature phosphorescence (RTP) materials are of significant attentions due to their unique optical properties and potential applications in anti‐counterfeiting and information security. However, single spatial resolution anti‐counterfeiting decryption methods fail to meet high‐level security demands. A novel dual‐mode information encryption strategy based on self‐trapped exciton (STE) fluorescence and phosphorescence is proposed. By introducing ns2 metal ions into the zero‐dimensional organic–inorganic hybrid metal halide (Ph3S)2SnCl6, energy transfer pathways from the S1 and Tn energy levels to the STEs are constructed, enabling precise control of phosphorescence performance. This material exhibited STE fluorescence‐phosphorescence dual‐mode optical properties with different afterglow time, which can be utilized to develop high‐performance time‐resolved cryptographic systems. Femtosecond transient absorption experiments indicated that the energy transfer rate from the S1 to STEs significantly affected the time‐resolved characteristics of long afterglow materials. The potential of this material in time‐resolved cryptographic systems is demonstrated, enhancing security through time‐resolved multi‐level encryption and providing a new avenue for advanced anti‐counterfeiting and information security.

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Engineered Energy Transfer in Room Temperature Phosphorescent Materials for Time‐Resolved Dual‐Mode Encryption

Ren,

Zhang,

et al. 2024

Adv Funct Materials

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Luminescence regulation of rare-earth based double perovskites by doping and applications

Wang,

Hou,

Bai

et al. 2025

Journal of Luminescence

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Zero-dimensional hybrid Cu(I) halide with cyan light emission for use in white light emitting diode

Wang,

Liu,

Jiang

et al. 2024

Materials Today Chemistry

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Alkali metal salt-assisted crystal structure switch of hybrid indium halides with near-unity photoluminescence quantum yield

Abstract: In-based metal halides possess unique structures and optoelectronic properties but suffer from low luminescence efficiency. Rational doping and compositional control provide effective approaches for achieving high-efficiency and tunable emission in...

Cited by 4 publications

References 46 publications

Engineered Energy Transfer in Room Temperature Phosphorescent Materials for Time‐Resolved Dual‐Mode Encryption

Engineered Energy Transfer in Room Temperature Phosphorescent Materials for Time‐Resolved Dual‐Mode Encryption

Luminescence regulation of rare-earth based double perovskites by doping and applications

Zero-dimensional hybrid Cu(I) halide with cyan light emission for use in white light emitting diode

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