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PRODID:www-igk2495-fau-de//Events//DE
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SUMMARY:Invited Lecture: Prof. Dr. Eva Hemmer
UID:8ff3-6d1a-95d8-8905@www.igk2495.fau.de
DESCRIPTION:Small yet bright?! Microwave-assisted synthesis of lanthan
 ide-based nanoparticles The remarkable optical properties of the lanth
 anides (Ln) make Ln-based materials ideal for applications ranging fro
 m biomedicine to optoelectronics and energy conversion technology. Thi
 s is due the unique electronic properties of the Ln (f-elements) allow
 ing for upconversion\, i.e.\, the emission of UV-visible light under n
 ear-infrared excitation. Upconverting nanoparticles (UCNPs) based on s
 odium lanthanide fluorides (NaLnF4) are commonly synthesized by the th
 ermal decomposition of metal precursors in high-boiling-point solvents
 \, based on convectional heating. Microwave reactors can improve repro
 ducibility as offering better control over a reaction environment\, mo
 re homogeneous heat distribution yields narrow size distributions\, an
 d rapid heating to the desired temperature shortens reaction times fro
 m hours to minutes. Targeting applications in optoelectronics\, photoc
 hemistry\, and energy conversion\, boosting the efficiency of upconver
 ters is key. This presentation will shed light on the microwave-assist
 ed synthesis of core/(multi)shell UCNPs and highlight pros and cons of
  this strategy towards the design of small-yet-bright upconverters.
DTSTART:20240730T100000Z
DTEND:20240730T110000Z
LOCATION:Seminar room 0.15
DTSTAMP:20260721T161052Z
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