Glass stabilized ultra-stable dual-emitting Mn-doped cesium lead halide perovskite quantum dots for cryogenic temperature sensing

Zhuang, Bin; Liu, Yue; Yuan, Shuo; Huang, Hai; Chen, Jiangkun; Chen, Daqin

doi:10.1039/c9nr05831a

Cited by 117 publications

(54 citation statements)

References 34 publications

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“…Due to the fact that all colloidal GdPO 4 doped with different amounts of Mn 2+ and Eu 3+ ions showed high sensitivity in the physiological range, we decided to investigate the cytotoxic response to the obtained material in vitro. The cytotoxicity of GdPO 4 nanoparticles doped with lanthanide ions has been already assessed, confirming their good performance for biological application [49]. Therefore, the main cytotoxic aspect of nanoparticles investigated here may be related to the presence of Mn 2+ ions.…”

Section: Luminescent Thermometrysupporting

confidence: 68%

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

et al. 2020

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Herein, a novel synthesis method of colloidal GdPO4:Mn2+,Eu3+ nanoparticles for luminescent nanothermometry is proposed. XRD, TEM, DLS, and zeta potential measurements confirmed the crystallographic purity and reproducible morphology of the obtained nanoparticles. The spectroscopic properties of GdPO4:Mn2+,Eu3+ with different amounts of Mn2+ and Eu3+ were analyzed in a physiological temperature range. It was found that GdPO4:1%Eu3+,10%Mn2+ nanoparticles revealed extraordinary performance for noncontact temperature sensing with relative sensitivity SR = 8.88%/°C at 32 °C. Furthermore, the biocompatibility and safety of GdPO4:15%Mn2+,1%Eu3+ was confirmed by cytotoxicity studies. These results indicated that colloidal GdPO4 doped with Mn2+ and Eu3+ is a very promising candidate as a luminescent nanothermometer for in vitro applications.

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Section: Luminescent Thermometrysupporting

confidence: 68%

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

et al. 2020

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“…By replacing Pb 2+ ions with Mn 2+ ions, the lattice parameters will be slightly reduced, and the recombination energy will be increased, thereby improving the stability 26‐27 . In addition, we can observe that the intensity of the diffraction peak of the doped PeNC glass is stronger than that of the undoped PeNC glass, which indicates that the Mn 2+ dopant can act as a nucleating agent to promote PeNCs crystallization 28 …”

Section: Resultsmentioning

confidence: 97%

Eco‐friendly Mn‐doped CsPbCl₃ perovskite nanocrystal glass with blue‐red emission for indoor plant lighting

Shen

Liu

et al. 2021

J Am Ceram Soc

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Mn‐doped CsPbCl3 perovskite nanocrystal (PeNC) glass was prepared by melt quenching and in situ crystallization. Under the protection of robust glass, PeNCs exhibit excellent moisture resistance and thermal stability. The combination effect of thermal quenching and energy transfer of exciton to Mn2+ enables its promising applications in the field of temperature sensor. Interestingly, by matching with ultraviolet chips, all‐inorganic blue‐red emitting conversion device consisting of PeNC glass was prepared for light‐emitting diodes (LEDs), which can meet the light requirements of plant growth. The cultivation results indicated that the growth of cabbages using PeNC plant cultivation LEDs was greater than those cultivated using commercial w‐LEDs (white light‐emitting diodes). Therefore, Mn‐doped CsPbCl3 PeNCs can be used as a new generation of solid fluorescent materials in the field of indoor plant cultivation LEDs.

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“…into CsPbX 3 NCs in glasses have been realized to reduce the toxic load and generate dual‐band PL. [ 42,43 ] These CsPbX 3 NCs embedded glasses have shown great potential towards various applications such as LEDs, [ 39 ] cryogenic temperature sensors, [ 42 ] data storage, [ 44 ] and low‐threshold lasers. [ 45,46 ] In this work, CsPbX 3 NCs were embedded into glasses and femtosecond transient absorption (fs‐TA) spectroscopy was utilized to investigate the ultrafast ASPL process.…”

Section: Introductionmentioning

confidence: 99%

Two‐Step Anti‐Stokes Photoluminescence of CsPbX₃ Nanocrystals

Zhang

Liu

et al. 2020

Advanced Optical Materials

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Cesium lead halide (CsPbX3, X = Cl, Br, and I) perovskite nanocrystals (NCs) exhibit efficient anti‐Stokes photoluminescence (ASPL) upon sub‐gap single‐photon excitation, which has great potential for all‐solid‐state laser cooling. However, the mechanism responsible for the ASPL still remains elusive. Here, ASPL properties of CsPb(BrI)3 NCs and CsPbI3 NCs in inorganic solid matrix are investigated. Excitation wavelength‐ and power‐dependent ASPL demonstrates that it is a phonon‐assisted single‐photon process. Femtosecond transient absorption spectra show that ASPL is mediated by the Urbach tail states, where localized excitons are generated upon sub‐gap excitation. Through electron–phonon coupling, these localized excitons change into free exciton to generate the exciton bleaching, and then thermally dissociate into free carriers accompanied by band edge bleaching, leading to the efficient ASPL. Such a two‐step up‐conversion process is further confirmed by the carrier temperature extracted from the band edge bleaching band. This work deepens the understanding of ASPL in CsPbX3 NCs, and is valuable for the development of materials for solid‐state laser cooling.

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Glass stabilized ultra-stable dual-emitting Mn-doped cesium lead halide perovskite quantum dots for cryogenic temperature sensing

Abstract: Mn(ii) doping into a CsPb(Cl/Br)3 perovskite lattice is realized via an in situ glass crystallization strategy for the first time.

Cited by 117 publications

References 34 publications

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

Eco‐friendly Mn‐doped CsPbCl₃ perovskite nanocrystal glass with blue‐red emission for indoor plant lighting

Two‐Step Anti‐Stokes Photoluminescence of CsPbX₃ Nanocrystals

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Glass stabilized ultra-stable dual-emitting Mn-doped cesium lead halide perovskite quantum dots for cryogenic temperature sensing

Abstract: Mn(ii) doping into a CsPb(Cl/Br)3 perovskite lattice is realized via an in situ glass crystallization strategy for the first time.

Cited by 117 publications

References 34 publications

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

Synthesis, Cytotoxicity Assessment and Optical Properties Characterization of Colloidal GdPO4:Mn2+, Eu3+ for High Sensitivity Luminescent Nanothermometers Operating in the Physiological Temperature Range

Eco‐friendly Mn‐doped CsPbCl3 perovskite nanocrystal glass with blue‐red emission for indoor plant lighting

Two‐Step Anti‐Stokes Photoluminescence of CsPbX3 Nanocrystals

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Product

Resources

About

Eco‐friendly Mn‐doped CsPbCl₃ perovskite nanocrystal glass with blue‐red emission for indoor plant lighting

Two‐Step Anti‐Stokes Photoluminescence of CsPbX₃ Nanocrystals