Synergistic enhancement of CdSe/ZnS quantum dot and liquid scintillator for radioluminescent nuclear batteries

Synergistic enhancement of CdSe/ZnS quantum dot and liquid scintillator for radioluminescent nuclear batteries
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CdSe/ZnS量子点与液体闪烁体协同增强辐射发光核电池

DOI:
10.1002/er.6213
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发表时间:
2020-12
影响因子:
4.6
通讯作者:
Tang Xiaobin
Tang Xiaobin
中科院分区:
工程技术3区
文献类型:
--
作者:
Xu Zhiheng;Zhang Zhengrong;Gamage Kelum A. A.;Liu Yunpeng;Ye Huangfeng;Tang Xiaobin

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研究了将CdSe/ZnS量子点应用于液体闪烁体辐射发光核电池以提高电池性能的可行性。通过控制量子点的组分,可以调节液体闪烁体的辐射发光发射光谱的峰位。该方法适用于在荧光材料和光伏器件之间获得令人满意的光谱匹配,以增加电池的输出性能。在实验中,将CdSe/ZnS量子点引入到Emulsifier-Safe液体闪烁体中,并通过X射线研究了辐射发光核电池的输出特性。结果表明,在不同管电压下,15 mg CdSe/ZnS量子点的电池输出功率最大。为了分析液体闪烁体的X射线辐射发光效应,测量并比较了具有和不具有CdSe/ZnS QD的Emulsifier-Safe的辐射发光光谱。通过考虑电池中的发光利用,还分析了具有不同浓度的CdSe/ZnS QD的Emulsifier-Safe与GaAs器件之间的光谱匹配程度。该框架可作为开发用于持久、高性能电源的辐射发光材料系统的指南。
The feasibility of utilizing CdSe/ZnS quantum dots (QDs) in liquid scintillator radioluminescent nuclear batteries to improve battery performance was studied. The peak position of the radioluminescence emission spectra of liquid scintillator can be regulated by controlling the QD components. This method is suitable for obtaining a satisfactory spectral matching between fluorescence materials and photovoltaic devices to increase the output performance of the battery. In the experiment, CdSe/ZnS QDs were introduced into Emulsifier‐Safe liquid scintillator, and the output properties of radioluminescent nuclear batteries were investigated via X‐ray. Results indicate that the battery with 15 mg CdSe/ZnS QDs generated the best electric power under different tube voltages. To analyze the X‐ray radioluminescence effects of the liquid scintillator, the radioluminescence spectra of the Emulsifier‐Safe with and without CdSe/ZnS QDs were measured and compared. The spectral matching degree between the Emulsifier‐Safe with different concentrations of CdSe/ZnS QDs and the GaAs device was also analyzed by considering luminescence utilization in batteries. This framework can serve as a guide for the development of a radioluminescent material system for long‐lasting, high‐performance power supplies.
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