Structure and Optical Properties of Mechanochemically Obtained Nanocomposite CsPbBr3/h-BN

Konoshchuk, N. V.; Posudievsky, O. Yu.; Rozovik, O. P.; Koshechko, V. G.; Pokhodenko, V. D.

doi:10.1007/s11237-023-09748-7

Theor Exp Chem

2022

DOI: 10.1007/s11237-023-09748-7

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Structure and Optical Properties of Mechanochemically Obtained Nanocomposite CsPbBr3/h-BN

N. V. Konoshchuk

O. Yu. Posudievsky

O. P. Rozovik

et al.

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Cited by 2 publications

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Boron Nitride‐Supported Fluorescein Isothiocyanate for Improving Optical Performance and Stability

Su,

Lin,

Xing

et al. 2024

ChemistrySelect

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Organic luminogens play an indispensable role in optoelectronic devices, yet there is a pressing need to address their aggregation‐caused quenching (ACQ) and stability. Here we designed and prepared multilayered boron nitride nanosheets/fluorescein isothiocyanate (MBNNSs/FITC) composite phosphors with tunable photoluminescence by controlling the FITC content and annealing temperature. The research results indicate that MBNNSs/FITC with low or high loading of FITC is not conducive to enhancing the emission intensity of FITC, which can be attributed to the fact that low loading leads to a decrease in the content of fluorescent groups, while high loading promotes intermolecular aggregation of FITC dyes. Interestingly, the emission intensity of FITC in MBNNSs/FITC‐6 composite phosphors can be further enhanced by annealing treatment (200 °C), which can be ascribed to the suppression of the ACQ and effective energy transfer from the MBNNSs to the FITC. Moreover, the resultant composite phosphor displays outstanding thermal stability, remarkable photo stability and exceptional water‐resistance. This work provides a new design space for the development of non‐rare‐earth fluorescent materials using organic fluorescent dyes.

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Boron Nitride‐Supported Fluorescein Isothiocyanate for Improving Optical Performance and Stability

Su,

Lin,

Xing

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

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Effect of CsPbBr3 Content in Mechanochemically Obtained CsPbBr3/h-BN Nanocomposites on Their Photoluminescent Characteristics

Konoshchuk

Rozovik²,

Koshechko³

et al. 2023

Theor Exp Chem

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Structure and Optical Properties of Mechanochemically Obtained Nanocomposite CsPbBr3/h-BN

Cited by 2 publications

References 31 publications

Boron Nitride‐Supported Fluorescein Isothiocyanate for Improving Optical Performance and Stability

Boron Nitride‐Supported Fluorescein Isothiocyanate for Improving Optical Performance and Stability

Effect of CsPbBr3 Content in Mechanochemically Obtained CsPbBr3/h-BN Nanocomposites on Their Photoluminescent Characteristics

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