壳层中高Yb含量对核壳结构纳米晶上转换性能的影响 2014-09-10

After coating NaYbF 4 shell on the 20Yb/2Er: NaGdF 4 core nanocrystals, upconversion emission intensity decreased. Through acore@shell@shell sandwic ...

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近红外长余辉发光透明玻璃陶瓷 2014-09-10

Cr 3+ doped transparent glassceramics of SiO 2 -Ga 2 O 3 -Li 2 O werefabricated by melt-quenching and subsequent crystallization. X-ray dif ...

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近红外长余辉-近红外上转换双功能荧光体：Cr/Yb/Tm:Ca3Ga2Ge3O12 2014-09-10

Currently, upconversion nanocrystals and long-lasting phosphorescent particles have attracted extensive research interests for their possible ...

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新型近红外长余辉荧光体：Cr3+: SrGa12O19 2014-09-10

A NIR long persistent Cr 3+ : SrGa 12 O 19 phosphor with persistent time lasting formore than 2 h has been successfully fabricated.The doped ...

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量子剪裁下转换发光活性核-活性壳纳米晶 2014-09-10

Monodisperse Pr 3+ /Yb 3+ :NaGdF 4 @NaYF 4 active-core/inert-shell nanoparticles, whichexhibit efficient near-infrared quantum cutting lu ...

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发光核壳纳米晶：核尺寸对壳层生长的影响 2014-09-10

The purpose of the present work is to demonstrate that the hexagonal Yb/Er:NaGdF4core size has a great impact on the completeness of the NaYF4 shell ...

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高功率白光LED用新型光转化材料：透明Ce3+: YAG微晶玻璃 2014-01-14

目前国际上主流的白光 LED 器件是将 Ce ： YAG 荧光粉分散在环氧树脂或硅胶中然后再涂敷在蓝光芯片上所构成。环氧树脂或硅胶在大功率芯片产生的高温环境下， ...

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离子掺杂调控纳米晶尺度及核壳结构完整性获得进展 2013-10-12

最近， 我们发现 在氟化钆钠（ NaGdF 4 ）纳米晶中掺杂 Ca 2+ 离子（用来替代 Gd 3+ ）后，可诱导纳米晶生长受扩散过程控制，有效地 ...

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