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DTSTAMP:20260424T140901Z
UID:1774011600@ist.ac.at
DTSTART:20260320T140000
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DESCRIPTION:Speaker: Tobias Kleinhanns\nhosted by Jorryt Matthee\nAbstract:
  Thermoelectric (TE) technology directly converts between heat and electri
 city\, enabling both waste heat harvesting and localized cooling applicati
 ons. Yet\, TE technology remains limited to niche applications\, mostly du
 e to high fabrication costs\, and lower efficiencies compared to other ene
 rgy conversion technologies. Solution processing provides a scalable and c
 heaper route than conventional solid-state methods\, potentially enabling 
 the broader adoption of TE technology. Beyond its cost benefits\, solution
  processing uniquely allows the synthesis of well-defined nanocrystal buil
 ding blocks\, translating nanoscale defect control into bulk structures. S
 uch microstructure engineering across length scales allows rational optimi
 zation of the TE performance. This thesis explores defect engineering of s
 olution-processed silver selenide (Ag2Se)\, with focus on compositional an
 d microstructural control for enhanced TE performance\, specifically throu
 gh thiol-amine based synthesis and post-synthetic treatment using polyanio
 nic CdSe complexes. The material library was extended to lead selenide (Pb
 Se)\, whose TE performance was optimized through chlorine (Cl) doping from
  functionalized two-dimensional titanium carbides (MXenes).
LOCATION:Sunstone Bldg / Ground floor / Big Seminar Room B (I23.EG.102) \, 
 ISTA
ORGANIZER:
SUMMARY:Tobias Kleinhanns: Thesis Defense: Unraveling the Origin and Evolut
 ion of Defects to Enable Advanced Thermoelectric Performance
URL:https://talks-calendar.ista.ac.at/events/6341
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