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2017.06.12 15:10

[Fri. 16 Jun. 2017] Prof. Martin Thuo/Department of Materials Science and Engineering, Iowa State University, USA

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Speaker Prof. Martin Thuo
Date Fri. 16 Jun. 2017
Time 5:00pm
Venue #633, Asan Hall, College of Science

“Lessons from a droplet: From Conformational Analysis 

to Molecular Electronics and Heat-Free Solder”

 

What does an organic chemist has to do with droplets? Everything! Droplets embody both complexity and simplicity, as such they can be ignored as information poor. Droplets can, however, be a fascinating platform on which to apply well known chemical principles to create unique solutions to challenging problems, or as tools to introduce new knowledge to well-established fields. This talk will first highlight how a simple relation of Gibbs free-energy between a droplet and a surface can be used to understand conformational evolution in a molecular ensemble. Effect of molecular length in the so-called odd-even effect, in phase evolution, limiting gauche rotations, and related effects will be discussed. Extension of this simple analysis to molecular electronics enables one to decouple stereo-electronic properties of a molecule by coupling conformational effects to tensor algebra. With felicitous choice of molecular moieties, one can reveal the role of simple structural perturbations to charge transport by tunneling, an important advance in realization of functional molecular devices. Secondly, by engineer their structure, to incorporate a core-shell architecture, allows for rapid synthesis of liquid metal microparticles. Extension of this synthesis to a coupled mechano-chemical process leads to frustrated solidification (undercooling) of metal melts. These undercooled metal droplets are then deployed as heat-free solders and low-temperature inks in electronic packaging, flexible electronics, printed electronics, among a myriad of other uses. This talk will demonstrate how ‘listening’ to droplets can lead to otherwise unprecedented scientific and technological advances.

 

Prof. Martin Thuo

Department of Materials Science and Engineering, Iowa State University, USA


List of Articles
No. Subject Speaker Date
Notice Spring semester 2017 Seminar Schedule file - -
13 [Thu. 23 Mar. 2017] Prof. Sangsu Bae/Department of Chemistry, Hanyang University, Seoul, South Korea Prof. Sangsu Bae Thu. 23 Mar. 2017
12 [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
11 [Thu. 6 Apr. 2017] Prof. Rong-Jie Chein/Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan Prof. Rong-Jie Chein Thu. 6 Apr. 2017
10 [Thu. 13 Apr. 2017] Dr. Wan Ki Bae/Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Seoul, Korea Dr. Wan Ki Bae Thu. 13 Apr. 2017
9 [Thu. 27 Apr. 2017] Seminar was canceled! - -
8 [Thu. 11 May. 2017] Prof. Andreas Heinrich/IBS Research, Center for Quantum Nanoscience, Seoul, South Korea Prof. Andreas Heinrich Thu. 11 May. 2017
7 [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
6 [Thu. 25 May. 2017] Prof. Wonsuk Kim/Department of Chemistry and Nano Science, Ewha Womans University, Seoul Prof. Wonsuk Kim Thu. 25 May. 2017
5 [Thu. 1 Jun. 2017] Prof. Jong-Man Kim/Department of Chemical Engineering, Hanyang University, Seoul, Korea Prof. Jong-Man Kim Thu. 1 Jun. 2017
4 [Thu. 8 Jun. 2017] Prof. Won-jin Chung/Department of Chemistry, GIST, Gwangju, Republic of Korea Prof. Won-jin Chung Thu. 8 Jun. 2017
» [Fri. 16 Jun. 2017] Prof. Martin Thuo/Department of Materials Science and Engineering, Iowa State University, USA Prof. Martin Thuo Fri. 16 Jun. 2017
2 [Wed. 5 July. 2017] Seminar was canceled! - -
1 7th Jilin-Korea-Waseda Alliance Annual Symposium file - August 17 ~ 19, 2017
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