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UID:DSC-22589
DTSTART;TZID=Europe/Berlin:20260409T123000
SEQUENCE:1776058777
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260409T143000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/22589
LOCATION:TUD Materials Science - HAL\, Hallwachsstraße 301069 Dresden
SUMMARY:Zdończyk: From Luminescent Dyes to Functional Structures: Designin
 g Responsive Hybrid Materials and Exploring Electron-Beam Perspectives
CLASS:PUBLIC
DESCRIPTION:Speaker: Maria Zdończyk\nInstitute of Speaker: E-BEAM Centre a
 t VSB – Technical University of Ostrava (Czech Republic)\nTopics:\nPhysi
 k\n Location:\n  Name: TUD Materials Science - HAL (HAL Bürogebäude - 11
 5)\n  Street: Hallwachsstraße 3\n  City: 01069 Dresden\n  Phone: \n  Fax:
  \nDescription: Responsive hybrid materials may appear simple in their fin
 al form\, for example as a colored spot\, a luminescent layer\, or a patte
 rned microstructure. Their function is encoded in how dyes are confined\, 
 how local polarity and sol–gel chemistry evolve over time\, and how stru
 cture emerges during processing. This talk presents a research path from d
 ye chemistry to functional sol–gel and ionogel architectures designed fo
 r application-relevant\, eye-readable readouts\, with an outlook on the po
 ssible use of electron beams for structuring and spatially controlling res
 ponsive hybrid materials.&amp\;#13\; The talk starts with silica-based hos
 ts doped with xanthene dyes and shows how molecular photophysics can be tr
 anslated into robust optical response under practical constraints[1]. This
  includes dye impregnation routes for luminescent food-spoilage sensing[2]
  and annealed sol–gel layers where emission can be tuned through concent
 ration and remains stable at elevated temperatures[3]. The next part moves
  to silica ionogels\, where the ionic liquid stops being only a solvent or
  additive and becomes a control parameter. By selecting the ionic-liquid c
 omposition and using sol–gel kinetics intentionally\, the response rate 
 and thermal sensitivity can be programmed\, leading to visual time indicat
 ors that encode cumulative thermal exposure as a reproducible color trajec
 tory.&amp\;#13\; Current work therefore shifts toward microstructures\, in
 cluding disk-like micro-features that combine thermal stability with rever
 sible\, stimulus-responsive behavior in dye-based and dye-doped ionogels. 
 In parallel\, electron-beam-induced structuring of ionic liquids has been 
 demonstrated[4]\, indicating that the beam can act as a practical tool to 
 introduce spatial organization within these systems. Electron beam thus of
 fers a route to write\, localize\, and tune functionality in space\, enabl
 ing direct-write patterns\, gradients\, and multistate response maps. The 
 next step is to explore how the electron beam can be used as a practical p
 rocessing tool to structure these materials and to tune functionality loca
 lly.
DTSTAMP:20260508T161824Z
CREATED:20260115T063646Z
LAST-MODIFIED:20260413T053937Z
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