Materials Science
上转换纳米颗粒
Upconversion NanoparticlesNanoparticles composed of host lattices (e.g., SrF2) doped with lanthanide ions (e.g., Yb3+, Tm3+) that absorb low-energy photons (typically near-infrared) and emit higher-energy photons (e.g., blue) via sequential energy transfer processes. / 由基质晶格(如SrF2)掺杂镧系离子(如Yb3+, Tm3+)组成的纳米颗粒,通过级联能量转移过程吸收低能光子(通常为近红外)并发射高能光子(如蓝光)。
- Knowledge type
- 物理设备
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-13 21:06:35
Sub-knowledge points
Bi3+-enhanced upconversionSrF2:Yb3+/Tm3+ systemBlue-band optical thermometry
Higher-order knowledge points
Main parameters and performance indicators
Host Lattice: SrF2Dopants: Bi3+, Yb3+, Tm3+Emission Band: Blue-bandApplication: Optical thermometry
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsBi3+-enhanced upconverting SrF2:Yb3+/Tm3+ nanoparticles for highly sensitive blue-band optical thermometryOpen source
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Creation and modification trail
1 recordsRecord title: Upconversion Nanoparticles.
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