Optical properties of CdTe quantum dots in silicate glasses containing CaO

Wu, Hanwei; Zhang, Wenchao; Li, Kai; Liu, Chao

doi:10.1016/j.optmat.2024.114897

Optical Materials

2024

DOI: 10.1016/j.optmat.2024.114897

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Optical properties of CdTe quantum dots in silicate glasses containing CaO

Hanwei Wu,

Wenchao Zhang,

Kai Li

et al.

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2024

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Cited by 2 publications

References 49 publications

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Enhanced luminescence using the core‐shell‐shell structure of 3‐mercaptopropionic acid‐capped ZnSe/ZnS: Mn/ZnS quantum dot

Bui,

Nguyen,

Luong

et al. 2024

J Chinese Chemical Soc

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In this study, we used the surface stabilizer 3‐mercaptopropionic acid (MPA) to synthesize ZnSe quantum dots in nontoxic aqueous solvents. Because of the –COOH group, MPA is an SH‐R‐COOH molecule that is added to improve the dispersion and quantum dot (QD) compatibility with antibodies. The different structures ZnSe, Mn‐doped ZnSe, Mn‐doped ZnSe/ZnS, and ZnSe/Mn‐doped ZnS/ZnS were investigated to find the optimum photoluminescence (PL). The structure and distribution element of ZnSe/Mn‐doped ZnS/ZnS QD were analyzed by the high‐resolution TEM image and scanning transmission electron microscopy. This finding of the ZnS buffer layer helps to reduce the defect lattice of QDs, which increases PL significantly. The highest PL intensity of ZnSe/ZnS:Mn/ZnS is significantly more than that of ZnSe and ZnSe/ZnS 6.2 and 3.3 times, respectively. In addition, the fluorescence efficiency of ZnSe/ZnS:5%Mn/ZnS‐MPA was 74.37% higher than that of ZnSe:5%Mn/ZnS‐MPA (55.04%) in ZnS buffer.

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Enhanced luminescence using the core‐shell‐shell structure of 3‐mercaptopropionic acid‐capped ZnSe/ZnS: Mn/ZnS quantum dot

Bui,

Nguyen,

Luong

et al. 2024

J Chinese Chemical Soc

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show abstract

Radiation shielding and energy absorption parameters of SiO2–Na2O–Al2O3- CaO-CaF2 silicate glasses

Al-Buriahi,

Alrowaili,

Alsufyani

et al. 2024

Journal of Radiation Research and Applied Sciences

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Optical properties of CdTe quantum dots in silicate glasses containing CaO

Cited by 2 publications

References 49 publications

Enhanced luminescence using the core‐shell‐shell structure of 3‐mercaptopropionic acid‐capped ZnSe/ZnS: Mn/ZnS quantum dot

Enhanced luminescence using the core‐shell‐shell structure of 3‐mercaptopropionic acid‐capped ZnSe/ZnS: Mn/ZnS quantum dot

Radiation shielding and energy absorption parameters of SiO2–Na2O–Al2O3- CaO-CaF2 silicate glasses

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