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2017.04.10 10:35

[Thu. 13 Apr. 2017] Dr. Wan Ki Bae/Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Seoul, Korea

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Speaker Dr. Wan Ki Bae
Date Thu. 13 Apr. 2017
Time 5:00pm
Venue #633, Asan Hall, College of Science

“Structurally Engineered Nanocrystal Quantum Dots

for Light-Emitting Applications”

 

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.

 

 

Dr. Wan Ki Bae

Photoelectronic Hybrid Research Center,

Korea Institute of Science and Technology, Seoul, Korea


List of Articles
No. Subject Speaker Date
Notice Spring semester 2017 Seminar Schedule file - -
33 [Wed. 28 Dec. 2016] Prof. James Y. Hamilton/Development of a Broad Range of Asymmetric C–C Bond Forming Reactions with a Versatile Iridium Catalyst file Prof. James Y. Hamilton Wednesday 28 December 2016
32 [Thu. 9 Jun. 2016] Prof. Yong-Young Noh/Development of Printed Large Area Organic Transistors and Integrated Circuits Prof. Yong-Young Noh Thursday 9 June 2016
31 [Thu. 8 Sep. 2016] Prof. Jaeyoung Sung/Stochastic chemical dynamics in living cells and its consequence for the control capacity of living cells over biological functions Prof. Jaeyoung Sung Thursday 8 September 2016
30 [Thu. 6 Oct. 2016] Prof. Young S. Park/Atomistic Molecular Engineering of Polycyclic Aromatic Hydrocarbons Prof. Young S. Park Thursday 6 October 2016
29 [Thu. 3 Nov. 2016] Prof. Min-Sik Kim/Mass spectrometry and its applications to Biological Discovery Prof. Min-Sik Kim Thursday 3 November 2016
28 [Thu. 29 Sep. 2016] Prof. Tae-Young Yoon/Observation of Single Membrane Proteins under Mechanical Tension Prof. Tae-Young Yoon Thursday 29 September 2016
27 [Thu. 26 Jun. 2016] Prof. Sung June Cho/Structural Elucidation of Novel Zeolite by Dual Space Approaches Using X-ray Powder Diffraction Prof. Sung June Cho Thursday 26 May 2016
26 [Thu. 22 Sep. 2016] Prof. Anna Lee/Organocatalyzed Asymmetric Reactions Prof. Anna Lee Thursday 22 September 2016
25 [Thu. 20 Oct. 2016] Prof. Chan Hyuk Kim/Novel Small Molecule-based Approaches for Cancer Immunotherapy Prof. Chan Hyuk Kim Thursday 20 October 2016
24 [Thu. 2 Jun. 2016] Prof. Sunkyu Han/Total Syntheses of Complex Alkaloids Inspired by Biosynthetic Hypotheses Prof. Sunkyu Han Thursday 2 June 2016
23 [Thu. 19 May. 2016] Prof. Zhuang Liu/Nanotechnology for enhanced cancer radiation therapy and immunotherapy Prof. Zhuang Liu Thursday 19 May 2016
22 [Thu. 17 Nov. 2016] Prof. Seunghoon Shin/Synthetic Methods Development based on Rational Analysis of Intermediates file Prof. Seunghoon Shin Thursday 17 November 2016
21 [Thu. 1 Dec. 2016] Prof. Sang-Yong Ju/Highly Pure Carbon Nanotubes sorted by a Flavin for Thin Film Transistor Applications Prof. Sang-Yong Ju Thursday 1 December 2016
20 [Thu. 9 Mar. 2017] Prof. Woon Ju Song/Department of Chemistry, Seoul National University, Seoul, Korea Prof. Woon Ju Song Thu. 9 Mar. 2017
19 [Thu. 8 Jun. 2017] Prof. Won-jin Chung/Department of Chemistry, GIST, Gwangju, Republic of Korea Prof. Won-jin Chung Thu. 8 Jun. 2017
18 [Thu. 6 Apr. 2017] Prof. Rong-Jie Chein/Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan Prof. Rong-Jie Chein Thu. 6 Apr. 2017
17 [Thu. 30 Mar. 2017] Prof. Jeong Ho Cho/SKKU Advanced Institute of Nanotechnology (SAINT), School of Chemical Engineering, Sungkyunkwan University, Suwon, Korea Prof. Jeong Ho Cho Thu. 30 Mar. 2017
16 [Thu. 25 May. 2017] Prof. Wonsuk Kim/Department of Chemistry and Nano Science, Ewha Womans University, Seoul Prof. Wonsuk Kim Thu. 25 May. 2017
15 [Thu. 23 Mar. 2017] Prof. Sangsu Bae/Department of Chemistry, Hanyang University, Seoul, South Korea Prof. Sangsu Bae Thu. 23 Mar. 2017
14 [Thu. 18 May. 2017] Student Host Colloquium : 1,1-Bisborylalkane: New Class of Organoboron Compound for the Chemo, Regio and Stereoselective Organic Transformations Prof. Seung Hwan Cho Thu. 18 May. 2017
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