Comet Calendar

Physics Colloquium: Colloidal nanocrystals – from 0D to 1D and 2D

Wednesday, September 15, 2021 4pm to 5pm

Virtual Event

Liangfeng Sun (Bowling Green State University)

Colloidal nanocrystals are promising materials for various optoelectronic device applications by their size- and shape-tunable optical and electronic properties. There is great interest in the development of low-temperature solution processing of nanocrystal-based devices for next-generation photovoltaics, photodetectors, light-emitting diodes (LEDs), and lasers.


In this talk, the speaker will firstly introduce the fundamental physics underlying the novel properties of nanocrystals. Then he will talk about the typical synthetic method of colloidal nanocrystals. The mechanisms of the anisotropic growth of the nanocrystals to a 1D or 2D structure will be discussed. In contrast to 0D quantum dots, the superior properties of the 2D nanosheets will be shown. The nanosheet-related topics including growth control, thickness-dependent energy gap, core/shell structure, surface passivation, and exciton binding energy will be discussed.  The preliminary results of the 2D nanosheets-based LEDs and the amplified spontaneous emission will be demonstrated.

Virtual Event

Natural Sciences & Mathematics
Michael Kesden
Email
972-883-3598

UTD strives to create inclusive and accessible events in accordance with the Americans with Disabilities Act (ADA). If you require an accommodation to fully participate in this event, please contact the event coordinator (listed above) at least 10 business days prior to the event. If you have any additional questions, please email ADACoordinator@utdallas.edu and the AccessAbility Resource Center at accessability@utdallas.edu.

  • Trevor Harrison Duncan

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