Efficient Sensitized Photoluminescence from Erbium Chloride Silicate via Interparticle Energy Transfer.

Efficient Sensitized Photoluminescence from Erbium Chloride Silicate via Interparticle Energy Transfer.
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通过颗粒间能量转移实现氯化铒硅酸盐的高效敏化光致发光

DOI:
10.3390/ma15031093
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发表时间:
2022-01-30
期刊:
Materials (Basel, Switzerland)
影响因子:
--
通讯作者:
Li D
Li D
中科院分区:
其他
文献类型:
--
作者:
Shen H;Shang H;Gao Y;Yang D;Li D

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本研究采用溶胶-凝胶法制备了铒化合物纳米晶和硅纳米晶共镶嵌的二氧化硅薄膜。在无定形二氧化硅中共沉淀了硅和铒的氯化硅酸盐(ECS)纳米晶体的双相。通过硅纳米晶与铒硅酸盐纳米晶之间的粒子间能量转移实现了铒硅酸盐纳米晶的有效敏化发射。讨论了敏化剂和Er化合物的浓度和分布对粒子间能量转移效率的影响。半导体和铒化合物纳米晶体之间的粒子间能量转移为实现硅基集成光子学的高效发光提供了一些重要的见解。
In this study, we prepare Erbium compound nanocrystals and Si nanocrystal (Si NC) co-embedded silica film by the sol-gel method. Dual phases of Si and Er chloride silicate (ECS) nanocrystals were coprecipitated within amorphous silica. Effective sensitized emission of Er chloride silicate nanocrystals was realized via interparticle energy transfer between silicon nanocrystal and Er chloride silicate nanocrystals. The influence of density and the distribution of sensitizers and Er compounds on interparticle energy transfer efficiency was discussed. The interparticle energy transfer between the semiconductor and erbium compound nanocrystals offers some important insights into the realization of efficient light emission for silicon-based integrated photonics.
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影响因子: 3.3
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