[융합과학부] Structurally Engineered Nanocrystal Quantum Dots for Optoelectronic Applications

Speaker: 배완기 교수 (성균관대학교)

Date & Time: 2018. 11. 21.(수), 17:00

Where: 융대원 D-122호

Abstract

Freestanding nanocrystal quantum dots (NQDs) promise the next-generation optoelectronic applications ranging from color-saturated displays to low-threshold lasers based on the cost-effective solution processing methods.
Recent studies have unveiled that the structural features of NQDs govern the carrier dynamics within individual NQDs and NQD assemblies and thus have a significant impact on the performances of optoelectronic devices. In this talk, I will present how the structural features of NQDs correlate with their optical properties and the device performances. Specifically, I explain the optical and electrical properties (i.e., single exciton and multi-carrier dynamics) of NQDs in respect to their size and shape. In addition I provide the relationship between the optical and electrical properties of NQDs with the performances of corresponding devices. Furthermore, I introduce recent achievements for high performance light-emitting diodes enabled by the structurally engineered NQDs. At the end, I discuss the state-of-the-art of NQD based optoelectronic applications and their potentials/limitations for practical realization.

Biography

PhD School of Chemical & Biological Engineering, Seoul National University (2009)
MS School of Chemical & Biological Engineering, Seoul National University (2005)
BS School of Chemical & Biological Engineering, Seoul National University (2003)

 

초청자 : 융합과학부 나노융합전공 김창순 교수 (changsoon@snu.ac.kr)

2018-11-20|